--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/css/CSSStyleSelector.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,6728 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ * (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
+ * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
+ * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
+ * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
+ * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
+ * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "CSSStyleSelector.h"
+
+#include "Attribute.h"
+#include "CSSBorderImageValue.h"
+#include "CSSCursorImageValue.h"
+#include "CSSFontFaceRule.h"
+#include "CSSImportRule.h"
+#include "CSSMediaRule.h"
+#include "CSSPageRule.h"
+#include "CSSParser.h"
+#include "CSSPrimitiveValueMappings.h"
+#include "CSSPropertyNames.h"
+#include "CSSReflectValue.h"
+#include "CSSRuleList.h"
+#include "CSSSelector.h"
+#include "CSSSelectorList.h"
+#include "CSSStyleRule.h"
+#include "CSSStyleSheet.h"
+#include "CSSTimingFunctionValue.h"
+#include "CSSValueList.h"
+#include "CSSVariableDependentValue.h"
+#include "CSSVariablesDeclaration.h"
+#include "CSSVariablesRule.h"
+#include "CachedImage.h"
+#include "Counter.h"
+#include "CounterContent.h"
+#include "FocusController.h"
+#include "FontFamilyValue.h"
+#include "FontValue.h"
+#include "Frame.h"
+#include "FrameView.h"
+#include "HTMLDocument.h"
+#include "HTMLElement.h"
+#include "HTMLInputElement.h"
+#include "HTMLNames.h"
+#include "HTMLTextAreaElement.h"
+#include "KeyframeList.h"
+#include "LinkHash.h"
+#include "Matrix3DTransformOperation.h"
+#include "MatrixTransformOperation.h"
+#include "MediaList.h"
+#include "MediaQueryEvaluator.h"
+#include "NodeRenderStyle.h"
+#include "Page.h"
+#include "PageGroup.h"
+#include "Pair.h"
+#include "PerspectiveTransformOperation.h"
+#include "Rect.h"
+#include "RenderScrollbar.h"
+#include "RenderScrollbarTheme.h"
+#include "RenderStyleConstants.h"
+#include "RenderTheme.h"
+#include "RotateTransformOperation.h"
+#include "ScaleTransformOperation.h"
+#include "SelectionController.h"
+#include "Settings.h"
+#include "ShadowValue.h"
+#include "SkewTransformOperation.h"
+#include "StyleCachedImage.h"
+#include "StyleGeneratedImage.h"
+#include "StyleSheetList.h"
+#include "Text.h"
+#include "TransformationMatrix.h"
+#include "TranslateTransformOperation.h"
+#include "UserAgentStyleSheets.h"
+#include "WebKitCSSKeyframeRule.h"
+#include "WebKitCSSKeyframesRule.h"
+#include "WebKitCSSTransformValue.h"
+#include "XMLNames.h"
+#include "loader.h"
+#include <wtf/StdLibExtras.h>
+#include <wtf/Vector.h>
+
+#if ENABLE(DASHBOARD_SUPPORT)
+#include "DashboardRegion.h"
+#endif
+
+#if ENABLE(SVG)
+#include "XLinkNames.h"
+#include "SVGNames.h"
+#endif
+
+#if ENABLE(WML)
+#include "WMLNames.h"
+#endif
+
+#if PLATFORM(QT)
+#include <qwebhistoryinterface.h>
+#endif
+
+using namespace std;
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+// #define STYLE_SHARING_STATS 1
+
+#define HANDLE_INHERIT(prop, Prop) \
+if (isInherit) { \
+ m_style->set##Prop(m_parentStyle->prop()); \
+ return; \
+}
+
+#define HANDLE_INHERIT_AND_INITIAL(prop, Prop) \
+HANDLE_INHERIT(prop, Prop) \
+if (isInitial) { \
+ m_style->set##Prop(RenderStyle::initial##Prop()); \
+ return; \
+}
+
+#define HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(prop, Prop, Value) \
+HANDLE_INHERIT(prop, Prop) \
+if (isInitial) { \
+ m_style->set##Prop(RenderStyle::initial##Value());\
+ return;\
+}
+
+#define HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(prop, Prop) \
+HANDLE_INHERIT_AND_INITIAL(prop, Prop) \
+if (primitiveValue) \
+ m_style->set##Prop(*primitiveValue);
+
+#define HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE_WITH_VALUE(prop, Prop, Value) \
+HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(prop, Prop, Value) \
+if (primitiveValue) \
+ m_style->set##Prop(*primitiveValue);
+
+#define HANDLE_FILL_LAYER_INHERIT_AND_INITIAL(layerType, LayerType, prop, Prop) \
+if (isInherit) { \
+ FillLayer* currChild = m_style->access##LayerType##Layers(); \
+ FillLayer* prevChild = 0; \
+ const FillLayer* currParent = m_parentStyle->layerType##Layers(); \
+ while (currParent && currParent->is##Prop##Set()) { \
+ if (!currChild) { \
+ /* Need to make a new layer.*/ \
+ currChild = new FillLayer(LayerType##FillLayer); \
+ prevChild->setNext(currChild); \
+ } \
+ currChild->set##Prop(currParent->prop()); \
+ prevChild = currChild; \
+ currChild = prevChild->next(); \
+ currParent = currParent->next(); \
+ } \
+ \
+ while (currChild) { \
+ /* Reset any remaining layers to not have the property set. */ \
+ currChild->clear##Prop(); \
+ currChild = currChild->next(); \
+ } \
+} else if (isInitial) { \
+ FillLayer* currChild = m_style->access##LayerType##Layers(); \
+ currChild->set##Prop(FillLayer::initialFill##Prop(LayerType##FillLayer)); \
+ for (currChild = currChild->next(); currChild; currChild = currChild->next()) \
+ currChild->clear##Prop(); \
+}
+
+#define HANDLE_FILL_LAYER_VALUE(layerType, LayerType, prop, Prop, value) { \
+HANDLE_FILL_LAYER_INHERIT_AND_INITIAL(layerType, LayerType, prop, Prop) \
+if (isInherit || isInitial) \
+ return; \
+FillLayer* currChild = m_style->access##LayerType##Layers(); \
+FillLayer* prevChild = 0; \
+if (value->isValueList()) { \
+ /* Walk each value and put it into a layer, creating new layers as needed. */ \
+ CSSValueList* valueList = static_cast<CSSValueList*>(value); \
+ for (unsigned int i = 0; i < valueList->length(); i++) { \
+ if (!currChild) { \
+ /* Need to make a new layer to hold this value */ \
+ currChild = new FillLayer(LayerType##FillLayer); \
+ prevChild->setNext(currChild); \
+ } \
+ mapFill##Prop(currChild, valueList->itemWithoutBoundsCheck(i)); \
+ prevChild = currChild; \
+ currChild = currChild->next(); \
+ } \
+} else { \
+ mapFill##Prop(currChild, value); \
+ currChild = currChild->next(); \
+} \
+while (currChild) { \
+ /* Reset all remaining layers to not have the property set. */ \
+ currChild->clear##Prop(); \
+ currChild = currChild->next(); \
+} }
+
+#define HANDLE_BACKGROUND_INHERIT_AND_INITIAL(prop, Prop) \
+HANDLE_FILL_LAYER_INHERIT_AND_INITIAL(background, Background, prop, Prop)
+
+#define HANDLE_BACKGROUND_VALUE(prop, Prop, value) \
+HANDLE_FILL_LAYER_VALUE(background, Background, prop, Prop, value)
+
+#define HANDLE_MASK_INHERIT_AND_INITIAL(prop, Prop) \
+HANDLE_FILL_LAYER_INHERIT_AND_INITIAL(mask, Mask, prop, Prop)
+
+#define HANDLE_MASK_VALUE(prop, Prop, value) \
+HANDLE_FILL_LAYER_VALUE(mask, Mask, prop, Prop, value)
+
+#define HANDLE_ANIMATION_INHERIT_AND_INITIAL(prop, Prop) \
+if (isInherit) { \
+ AnimationList* list = m_style->accessAnimations(); \
+ const AnimationList* parentList = m_parentStyle->animations(); \
+ size_t i = 0, parentSize = parentList ? parentList->size() : 0; \
+ for ( ; i < parentSize && parentList->animation(i)->is##Prop##Set(); ++i) { \
+ if (list->size() <= i) \
+ list->append(Animation::create()); \
+ list->animation(i)->set##Prop(parentList->animation(i)->prop()); \
+ } \
+ \
+ /* Reset any remaining animations to not have the property set. */ \
+ for ( ; i < list->size(); ++i) \
+ list->animation(i)->clear##Prop(); \
+} else if (isInitial) { \
+ AnimationList* list = m_style->accessAnimations(); \
+ if (list->isEmpty()) \
+ list->append(Animation::create()); \
+ list->animation(0)->set##Prop(Animation::initialAnimation##Prop()); \
+ for (size_t i = 1; i < list->size(); ++i) \
+ list->animation(0)->clear##Prop(); \
+}
+
+#define HANDLE_ANIMATION_VALUE(prop, Prop, value) { \
+HANDLE_ANIMATION_INHERIT_AND_INITIAL(prop, Prop) \
+if (isInherit || isInitial) \
+ return; \
+AnimationList* list = m_style->accessAnimations(); \
+size_t childIndex = 0; \
+if (value->isValueList()) { \
+ /* Walk each value and put it into an animation, creating new animations as needed. */ \
+ CSSValueList* valueList = static_cast<CSSValueList*>(value); \
+ for (unsigned int i = 0; i < valueList->length(); i++) { \
+ if (childIndex <= list->size()) \
+ list->append(Animation::create()); \
+ mapAnimation##Prop(list->animation(childIndex), valueList->itemWithoutBoundsCheck(i)); \
+ ++childIndex; \
+ } \
+} else { \
+ if (list->isEmpty()) \
+ list->append(Animation::create()); \
+ mapAnimation##Prop(list->animation(childIndex), value); \
+ childIndex = 1; \
+} \
+for ( ; childIndex < list->size(); ++childIndex) { \
+ /* Reset all remaining animations to not have the property set. */ \
+ list->animation(childIndex)->clear##Prop(); \
+} \
+}
+
+#define HANDLE_TRANSITION_INHERIT_AND_INITIAL(prop, Prop) \
+if (isInherit) { \
+ AnimationList* list = m_style->accessTransitions(); \
+ const AnimationList* parentList = m_parentStyle->transitions(); \
+ size_t i = 0, parentSize = parentList ? parentList->size() : 0; \
+ for ( ; i < parentSize && parentList->animation(i)->is##Prop##Set(); ++i) { \
+ if (list->size() <= i) \
+ list->append(Animation::create()); \
+ list->animation(i)->set##Prop(parentList->animation(i)->prop()); \
+ } \
+ \
+ /* Reset any remaining transitions to not have the property set. */ \
+ for ( ; i < list->size(); ++i) \
+ list->animation(i)->clear##Prop(); \
+} else if (isInitial) { \
+ AnimationList* list = m_style->accessTransitions(); \
+ if (list->isEmpty()) \
+ list->append(Animation::create()); \
+ list->animation(0)->set##Prop(Animation::initialAnimation##Prop()); \
+ for (size_t i = 1; i < list->size(); ++i) \
+ list->animation(0)->clear##Prop(); \
+}
+
+#define HANDLE_TRANSITION_VALUE(prop, Prop, value) { \
+HANDLE_TRANSITION_INHERIT_AND_INITIAL(prop, Prop) \
+if (isInherit || isInitial) \
+ return; \
+AnimationList* list = m_style->accessTransitions(); \
+size_t childIndex = 0; \
+if (value->isValueList()) { \
+ /* Walk each value and put it into a transition, creating new animations as needed. */ \
+ CSSValueList* valueList = static_cast<CSSValueList*>(value); \
+ for (unsigned int i = 0; i < valueList->length(); i++) { \
+ if (childIndex <= list->size()) \
+ list->append(Animation::create()); \
+ mapAnimation##Prop(list->animation(childIndex), valueList->itemWithoutBoundsCheck(i)); \
+ ++childIndex; \
+ } \
+} else { \
+ if (list->isEmpty()) \
+ list->append(Animation::create()); \
+ mapAnimation##Prop(list->animation(childIndex), value); \
+ childIndex = 1; \
+} \
+for ( ; childIndex < list->size(); ++childIndex) { \
+ /* Reset all remaining transitions to not have the property set. */ \
+ list->animation(childIndex)->clear##Prop(); \
+} \
+}
+
+#define HANDLE_INHERIT_COND(propID, prop, Prop) \
+if (id == propID) { \
+ m_style->set##Prop(m_parentStyle->prop()); \
+ return; \
+}
+
+#define HANDLE_INHERIT_COND_WITH_BACKUP(propID, prop, propAlt, Prop) \
+if (id == propID) { \
+ if (m_parentStyle->prop().isValid()) \
+ m_style->set##Prop(m_parentStyle->prop()); \
+ else \
+ m_style->set##Prop(m_parentStyle->propAlt()); \
+ return; \
+}
+
+#define HANDLE_INITIAL_COND(propID, Prop) \
+if (id == propID) { \
+ m_style->set##Prop(RenderStyle::initial##Prop()); \
+ return; \
+}
+
+#define HANDLE_INITIAL_COND_WITH_VALUE(propID, Prop, Value) \
+if (id == propID) { \
+ m_style->set##Prop(RenderStyle::initial##Value()); \
+ return; \
+}
+
+class CSSRuleSet : public Noncopyable {
+public:
+ CSSRuleSet();
+ ~CSSRuleSet();
+
+ typedef HashMap<AtomicStringImpl*, CSSRuleDataList*> AtomRuleMap;
+
+ void addRulesFromSheet(CSSStyleSheet*, const MediaQueryEvaluator&, CSSStyleSelector* = 0);
+
+ void addStyleRule(StyleBase* item);
+ void addRule(CSSStyleRule* rule, CSSSelector* sel);
+ void addPageRule(CSSStyleRule* rule, CSSSelector* sel);
+ void addToRuleSet(AtomicStringImpl* key, AtomRuleMap& map,
+ CSSStyleRule* rule, CSSSelector* sel);
+
+ CSSRuleDataList* getIDRules(AtomicStringImpl* key) { return m_idRules.get(key); }
+ CSSRuleDataList* getClassRules(AtomicStringImpl* key) { return m_classRules.get(key); }
+ CSSRuleDataList* getTagRules(AtomicStringImpl* key) { return m_tagRules.get(key); }
+ CSSRuleDataList* getUniversalRules() { return m_universalRules; }
+ CSSRuleDataList* getPageRules() { return m_pageRules; }
+
+public:
+ AtomRuleMap m_idRules;
+ AtomRuleMap m_classRules;
+ AtomRuleMap m_tagRules;
+ CSSRuleDataList* m_universalRules;
+ CSSRuleDataList* m_pageRules;
+ unsigned m_ruleCount;
+ unsigned m_pageRuleCount;
+};
+
+static CSSRuleSet* defaultStyle;
+static CSSRuleSet* defaultQuirksStyle;
+static CSSRuleSet* defaultPrintStyle;
+static CSSRuleSet* defaultViewSourceStyle;
+static CSSStyleSheet* simpleDefaultStyleSheet;
+
+RenderStyle* CSSStyleSelector::s_styleNotYetAvailable;
+
+static void loadFullDefaultStyle();
+static void loadSimpleDefaultStyle();
+// FIXME: It would be nice to use some mechanism that guarantees this is in sync with the real UA stylesheet.
+static const char* simpleUserAgentStyleSheet = "html,body,div{display:block}body{margin:8px}div:focus,span:focus{outline:auto 5px -webkit-focus-ring-color}a:-webkit-any-link{color:-webkit-link;text-decoration:underline}a:-webkit-any-link:active{color:-webkit-activelink}";
+
+static bool elementCanUseSimpleDefaultStyle(Element* e)
+{
+ return e->hasTagName(htmlTag) || e->hasTagName(bodyTag) || e->hasTagName(divTag) || e->hasTagName(spanTag) || e->hasTagName(brTag) || e->hasTagName(aTag);
+}
+
+static const MediaQueryEvaluator& screenEval()
+{
+ DEFINE_STATIC_LOCAL(const MediaQueryEvaluator, staticScreenEval, ("screen"));
+ return staticScreenEval;
+}
+
+static const MediaQueryEvaluator& printEval()
+{
+ DEFINE_STATIC_LOCAL(const MediaQueryEvaluator, staticPrintEval, ("print"));
+ return staticPrintEval;
+}
+
+CSSStyleSelector::CSSStyleSelector(Document* doc, StyleSheetList* styleSheets, CSSStyleSheet* mappedElementSheet,
+ CSSStyleSheet* pageUserSheet, const Vector<RefPtr<CSSStyleSheet> >* pageGroupUserSheets,
+ bool strictParsing, bool matchAuthorAndUserStyles)
+ : m_backgroundData(BackgroundFillLayer)
+ , m_checker(doc, strictParsing)
+ , m_element(0)
+ , m_styledElement(0)
+ , m_elementLinkState(NotInsideLink)
+ , m_fontSelector(CSSFontSelector::create(doc))
+{
+ init();
+
+ m_matchAuthorAndUserStyles = matchAuthorAndUserStyles;
+
+ Element* root = doc->documentElement();
+
+ if (!defaultStyle) {
+ if (!root || elementCanUseSimpleDefaultStyle(root))
+ loadSimpleDefaultStyle();
+ else
+ loadFullDefaultStyle();
+ }
+
+ m_userStyle = 0;
+
+ // construct document root element default style. this is needed
+ // to evaluate media queries that contain relative constraints, like "screen and (max-width: 10em)"
+ // This is here instead of constructor, because when constructor is run,
+ // document doesn't have documentElement
+ // NOTE: this assumes that element that gets passed to styleForElement -call
+ // is always from the document that owns the style selector
+ FrameView* view = doc->view();
+ if (view)
+ m_medium = new MediaQueryEvaluator(view->mediaType());
+ else
+ m_medium = new MediaQueryEvaluator("all");
+
+ if (root)
+ m_rootDefaultStyle = styleForElement(root, 0, false, true); // don't ref, because the RenderStyle is allocated from global heap
+
+ if (m_rootDefaultStyle && view) {
+ delete m_medium;
+ m_medium = new MediaQueryEvaluator(view->mediaType(), view->frame(), m_rootDefaultStyle.get());
+ }
+
+ // FIXME: This sucks! The user sheet is reparsed every time!
+ if (pageUserSheet || pageGroupUserSheets) {
+ m_userStyle = new CSSRuleSet();
+ if (pageUserSheet)
+ m_userStyle->addRulesFromSheet(pageUserSheet, *m_medium, this);
+ if (pageGroupUserSheets) {
+ unsigned length = pageGroupUserSheets->size();
+ for (unsigned i = 0; i < length; i++)
+ m_userStyle->addRulesFromSheet(pageGroupUserSheets->at(i).get(), *m_medium, this);
+ }
+ }
+
+ // add stylesheets from document
+ m_authorStyle = new CSSRuleSet();
+
+ // Add rules from elements like SVG's <font-face>
+ if (mappedElementSheet)
+ m_authorStyle->addRulesFromSheet(mappedElementSheet, *m_medium, this);
+
+ unsigned length = styleSheets->length();
+ for (unsigned i = 0; i < length; i++) {
+ StyleSheet* sheet = styleSheets->item(i);
+ if (sheet->isCSSStyleSheet() && !sheet->disabled())
+ m_authorStyle->addRulesFromSheet(static_cast<CSSStyleSheet*>(sheet), *m_medium, this);
+ }
+
+ if (doc->renderer() && doc->renderer()->style())
+ doc->renderer()->style()->font().update(fontSelector());
+}
+
+// This is a simplified style setting function for keyframe styles
+void CSSStyleSelector::addKeyframeStyle(PassRefPtr<WebKitCSSKeyframesRule> rule)
+{
+ AtomicString s(rule->name());
+ m_keyframesRuleMap.add(s.impl(), rule);
+}
+
+void CSSStyleSelector::init()
+{
+ initElement(0);
+ m_matchedDecls.clear();
+ m_ruleList = 0;
+ m_rootDefaultStyle = 0;
+ m_medium = 0;
+}
+
+CSSStyleSelector::~CSSStyleSelector()
+{
+ m_fontSelector->clearDocument();
+ delete m_medium;
+ delete m_authorStyle;
+ delete m_userStyle;
+ deleteAllValues(m_viewportDependentMediaQueryResults);
+ m_keyframesRuleMap.clear();
+}
+
+static CSSStyleSheet* parseUASheet(const String& str)
+{
+ CSSStyleSheet* sheet = CSSStyleSheet::create().releaseRef(); // leak the sheet on purpose
+ sheet->parseString(str);
+ return sheet;
+}
+
+static CSSStyleSheet* parseUASheet(const char* characters, unsigned size)
+{
+ return parseUASheet(String(characters, size));
+}
+
+static void loadFullDefaultStyle()
+{
+ if (simpleDefaultStyleSheet) {
+ ASSERT(defaultStyle);
+ delete defaultStyle;
+ simpleDefaultStyleSheet->deref();
+ defaultStyle = new CSSRuleSet;
+ simpleDefaultStyleSheet = 0;
+ } else {
+ ASSERT(!defaultStyle);
+ defaultStyle = new CSSRuleSet;
+ defaultPrintStyle = new CSSRuleSet;
+ defaultQuirksStyle = new CSSRuleSet;
+ }
+
+ // Strict-mode rules.
+ String defaultRules = String(htmlUserAgentStyleSheet, sizeof(htmlUserAgentStyleSheet)) + RenderTheme::defaultTheme()->extraDefaultStyleSheet();
+ CSSStyleSheet* defaultSheet = parseUASheet(defaultRules);
+ defaultStyle->addRulesFromSheet(defaultSheet, screenEval());
+ defaultPrintStyle->addRulesFromSheet(defaultSheet, printEval());
+
+ // Quirks-mode rules.
+ String quirksRules = String(quirksUserAgentStyleSheet, sizeof(quirksUserAgentStyleSheet)) + RenderTheme::defaultTheme()->extraQuirksStyleSheet();
+ CSSStyleSheet* quirksSheet = parseUASheet(quirksRules);
+ defaultQuirksStyle->addRulesFromSheet(quirksSheet, screenEval());
+}
+
+static void loadSimpleDefaultStyle()
+{
+ ASSERT(!defaultStyle);
+ ASSERT(!simpleDefaultStyleSheet);
+
+ defaultStyle = new CSSRuleSet;
+ defaultPrintStyle = new CSSRuleSet;
+ defaultQuirksStyle = new CSSRuleSet;
+
+ simpleDefaultStyleSheet = parseUASheet(simpleUserAgentStyleSheet, strlen(simpleUserAgentStyleSheet));
+ defaultStyle->addRulesFromSheet(simpleDefaultStyleSheet, screenEval());
+
+ // No need to initialize quirks sheet yet as there are no quirk rules for elements allowed in simple default style.
+}
+
+static void loadViewSourceStyle()
+{
+ ASSERT(!defaultViewSourceStyle);
+ defaultViewSourceStyle = new CSSRuleSet;
+ defaultViewSourceStyle->addRulesFromSheet(parseUASheet(sourceUserAgentStyleSheet, sizeof(sourceUserAgentStyleSheet)), screenEval());
+}
+
+void CSSStyleSelector::addMatchedDeclaration(CSSMutableStyleDeclaration* decl)
+{
+ if (!decl->hasVariableDependentValue()) {
+ m_matchedDecls.append(decl);
+ return;
+ }
+
+ // See if we have already resolved the variables in this declaration.
+ CSSMutableStyleDeclaration* resolvedDecl = m_resolvedVariablesDeclarations.get(decl).get();
+ if (resolvedDecl) {
+ m_matchedDecls.append(resolvedDecl);
+ return;
+ }
+
+ // If this declaration has any variables in it, then we need to make a cloned
+ // declaration with as many variables resolved as possible for this style selector's media.
+ RefPtr<CSSMutableStyleDeclaration> newDecl = CSSMutableStyleDeclaration::create(decl->parentRule());
+ m_matchedDecls.append(newDecl.get());
+ m_resolvedVariablesDeclarations.set(decl, newDecl);
+
+ HashSet<String> usedBlockVariables;
+ resolveVariablesForDeclaration(decl, newDecl.get(), usedBlockVariables);
+}
+
+void CSSStyleSelector::resolveVariablesForDeclaration(CSSMutableStyleDeclaration* decl, CSSMutableStyleDeclaration* newDecl, HashSet<String>& usedBlockVariables)
+{
+ // Now iterate over the properties in the original declaration. As we resolve variables we'll end up
+ // mutating the new declaration (possibly expanding shorthands). The new declaration has no m_node
+ // though, so it can't mistakenly call setChanged on anything.
+ CSSMutableStyleDeclaration::const_iterator end = decl->end();
+ for (CSSMutableStyleDeclaration::const_iterator it = decl->begin(); it != end; ++it) {
+ const CSSProperty& current = *it;
+ if (!current.value()->isVariableDependentValue()) {
+ // We can just add the parsed property directly.
+ newDecl->addParsedProperty(current);
+ continue;
+ }
+ CSSValueList* valueList = static_cast<CSSVariableDependentValue*>(current.value())->valueList();
+ if (!valueList)
+ continue;
+ CSSParserValueList resolvedValueList;
+ unsigned s = valueList->length();
+ bool fullyResolved = true;
+ for (unsigned i = 0; i < s; ++i) {
+ CSSValue* val = valueList->item(i);
+ CSSPrimitiveValue* primitiveValue = val->isPrimitiveValue() ? static_cast<CSSPrimitiveValue*>(val) : 0;
+ if (primitiveValue && primitiveValue->isVariable()) {
+ CSSVariablesRule* rule = m_variablesMap.get(primitiveValue->getStringValue());
+ if (!rule || !rule->variables()) {
+ fullyResolved = false;
+ break;
+ }
+
+ if (current.id() == CSSPropertyWebkitVariableDeclarationBlock && s == 1) {
+ fullyResolved = false;
+ if (!usedBlockVariables.contains(primitiveValue->getStringValue())) {
+ CSSMutableStyleDeclaration* declBlock = rule->variables()->getParsedVariableDeclarationBlock(primitiveValue->getStringValue());
+ if (declBlock) {
+ usedBlockVariables.add(primitiveValue->getStringValue());
+ resolveVariablesForDeclaration(declBlock, newDecl, usedBlockVariables);
+ }
+ }
+ }
+
+ CSSValueList* resolvedVariable = rule->variables()->getParsedVariable(primitiveValue->getStringValue());
+ if (!resolvedVariable) {
+ fullyResolved = false;
+ break;
+ }
+ unsigned valueSize = resolvedVariable->length();
+ for (unsigned j = 0; j < valueSize; ++j)
+ resolvedValueList.addValue(resolvedVariable->item(j)->parserValue());
+ } else
+ resolvedValueList.addValue(val->parserValue());
+ }
+
+ if (!fullyResolved)
+ continue;
+
+ // We now have a fully resolved new value list. We want the parser to use this value list
+ // and parse our new declaration.
+ CSSParser(m_checker.m_strictParsing).parsePropertyWithResolvedVariables(current.id(), current.isImportant(), newDecl, &resolvedValueList);
+ }
+}
+
+void CSSStyleSelector::matchRules(CSSRuleSet* rules, int& firstRuleIndex, int& lastRuleIndex)
+{
+ m_matchedRules.clear();
+
+ if (!rules || !m_element)
+ return;
+
+ // We need to collect the rules for id, class, tag, and everything else into a buffer and
+ // then sort the buffer.
+ if (m_element->hasID())
+ matchRulesForList(rules->getIDRules(m_element->idForStyleResolution().impl()), firstRuleIndex, lastRuleIndex);
+ if (m_element->hasClass()) {
+ ASSERT(m_styledElement);
+ const SpaceSplitString& classNames = m_styledElement->classNames();
+ size_t size = classNames.size();
+ for (size_t i = 0; i < size; ++i)
+ matchRulesForList(rules->getClassRules(classNames[i].impl()), firstRuleIndex, lastRuleIndex);
+ }
+ matchRulesForList(rules->getTagRules(m_element->localName().impl()), firstRuleIndex, lastRuleIndex);
+ matchRulesForList(rules->getUniversalRules(), firstRuleIndex, lastRuleIndex);
+
+ // If we didn't match any rules, we're done.
+ if (m_matchedRules.isEmpty())
+ return;
+
+ // Sort the set of matched rules.
+ sortMatchedRules(0, m_matchedRules.size());
+
+ // Now transfer the set of matched rules over to our list of decls.
+ if (!m_checker.m_collectRulesOnly) {
+ for (unsigned i = 0; i < m_matchedRules.size(); i++)
+ addMatchedDeclaration(m_matchedRules[i]->rule()->declaration());
+ } else {
+ for (unsigned i = 0; i < m_matchedRules.size(); i++) {
+ if (!m_ruleList)
+ m_ruleList = CSSRuleList::create();
+ m_ruleList->append(m_matchedRules[i]->rule());
+ }
+ }
+}
+
+void CSSStyleSelector::matchRulesForList(CSSRuleDataList* rules, int& firstRuleIndex, int& lastRuleIndex)
+{
+ if (!rules)
+ return;
+
+ for (CSSRuleData* d = rules->first(); d; d = d->next()) {
+ CSSStyleRule* rule = d->rule();
+ if (checkSelector(d->selector())) {
+ // If the rule has no properties to apply, then ignore it.
+ CSSMutableStyleDeclaration* decl = rule->declaration();
+ if (!decl || !decl->length())
+ continue;
+
+ // If we're matching normal rules, set a pseudo bit if
+ // we really just matched a pseudo-element.
+ if (m_dynamicPseudo != NOPSEUDO && m_checker.m_pseudoStyle == NOPSEUDO) {
+ if (m_checker.m_collectRulesOnly)
+ continue;
+ if (m_dynamicPseudo < FIRST_INTERNAL_PSEUDOID)
+ m_style->setHasPseudoStyle(m_dynamicPseudo);
+ } else {
+ // Update our first/last rule indices in the matched rules array.
+ lastRuleIndex = m_matchedDecls.size() + m_matchedRules.size();
+ if (firstRuleIndex == -1)
+ firstRuleIndex = lastRuleIndex;
+
+ // Add this rule to our list of matched rules.
+ addMatchedRule(d);
+ }
+ }
+ }
+}
+
+static bool operator >(CSSRuleData& r1, CSSRuleData& r2)
+{
+ int spec1 = r1.selector()->specificity();
+ int spec2 = r2.selector()->specificity();
+ return (spec1 == spec2) ? r1.position() > r2.position() : spec1 > spec2;
+}
+
+static bool operator <=(CSSRuleData& r1, CSSRuleData& r2)
+{
+ return !(r1 > r2);
+}
+
+void CSSStyleSelector::sortMatchedRules(unsigned start, unsigned end)
+{
+ if (start >= end || (end - start == 1))
+ return; // Sanity check.
+
+ if (end - start <= 6) {
+ // Apply a bubble sort for smaller lists.
+ for (unsigned i = end - 1; i > start; i--) {
+ bool sorted = true;
+ for (unsigned j = start; j < i; j++) {
+ CSSRuleData* elt = m_matchedRules[j];
+ CSSRuleData* elt2 = m_matchedRules[j + 1];
+ if (*elt > *elt2) {
+ sorted = false;
+ m_matchedRules[j] = elt2;
+ m_matchedRules[j + 1] = elt;
+ }
+ }
+ if (sorted)
+ return;
+ }
+ return;
+ }
+
+ // Perform a merge sort for larger lists.
+ unsigned mid = (start + end) / 2;
+ sortMatchedRules(start, mid);
+ sortMatchedRules(mid, end);
+
+ CSSRuleData* elt = m_matchedRules[mid - 1];
+ CSSRuleData* elt2 = m_matchedRules[mid];
+
+ // Handle the fast common case (of equal specificity). The list may already
+ // be completely sorted.
+ if (*elt <= *elt2)
+ return;
+
+ // We have to merge sort. Ensure our merge buffer is big enough to hold
+ // all the items.
+ Vector<CSSRuleData*> rulesMergeBuffer;
+ rulesMergeBuffer.reserveInitialCapacity(end - start);
+
+ unsigned i1 = start;
+ unsigned i2 = mid;
+
+ elt = m_matchedRules[i1];
+ elt2 = m_matchedRules[i2];
+
+ while (i1 < mid || i2 < end) {
+ if (i1 < mid && (i2 == end || *elt <= *elt2)) {
+ rulesMergeBuffer.append(elt);
+ if (++i1 < mid)
+ elt = m_matchedRules[i1];
+ } else {
+ rulesMergeBuffer.append(elt2);
+ if (++i2 < end)
+ elt2 = m_matchedRules[i2];
+ }
+ }
+
+ for (unsigned i = start; i < end; i++)
+ m_matchedRules[i] = rulesMergeBuffer[i - start];
+}
+
+inline EInsideLink CSSStyleSelector::SelectorChecker::determineLinkState(Element* element) const
+{
+ if (!element || !element->isLink())
+ return NotInsideLink;
+ return determineLinkStateSlowCase(element);
+}
+
+inline void CSSStyleSelector::initElement(Element* e)
+{
+ if (m_element != e) {
+ m_element = e;
+ m_styledElement = m_element && m_element->isStyledElement() ? static_cast<StyledElement*>(m_element) : 0;
+ m_elementLinkState = m_checker.determineLinkState(m_element);
+ }
+}
+
+inline void CSSStyleSelector::initForStyleResolve(Element* e, RenderStyle* parentStyle, PseudoId pseudoID)
+{
+ m_checker.m_pseudoStyle = pseudoID;
+
+ m_parentNode = e ? e->parentNode() : 0;
+
+#if ENABLE(SVG)
+ if (!m_parentNode && e && e->isSVGElement() && e->isShadowNode())
+ m_parentNode = e->shadowParentNode();
+#endif
+
+ if (parentStyle)
+ m_parentStyle = parentStyle;
+ else
+ m_parentStyle = m_parentNode ? m_parentNode->renderStyle() : 0;
+
+ Node* docElement = e ? e->document()->documentElement() : 0;
+ RenderStyle* docStyle = m_checker.m_document->renderStyle();
+ m_rootElementStyle = docElement && e != docElement ? docElement->renderStyle() : docStyle;
+
+ m_style = 0;
+
+ m_matchedDecls.clear();
+
+ m_ruleList = 0;
+
+ m_fontDirty = false;
+}
+
+static inline const AtomicString* linkAttribute(Node* node)
+{
+ if (!node->isLink())
+ return 0;
+
+ ASSERT(node->isElementNode());
+ Element* element = static_cast<Element*>(node);
+ if (element->isHTMLElement())
+ return &element->fastGetAttribute(hrefAttr);
+
+#if ENABLE(WML)
+ if (element->isWMLElement()) {
+ // <anchor> elements don't have href attributes, but we still want to
+ // appear as link, so linkAttribute() has to return a non-null value!
+ if (element->hasTagName(WMLNames::anchorTag))
+ return &emptyAtom;
+
+ return &element->fastGetAttribute(hrefAttr);
+ }
+#endif
+
+#if ENABLE(SVG)
+ if (element->isSVGElement())
+ return &element->fastGetAttribute(XLinkNames::hrefAttr);
+#endif
+
+ return 0;
+}
+
+CSSStyleSelector::SelectorChecker::SelectorChecker(Document* document, bool strictParsing)
+ : m_document(document)
+ , m_strictParsing(strictParsing)
+ , m_collectRulesOnly(false)
+ , m_pseudoStyle(NOPSEUDO)
+ , m_documentIsHTML(document->isHTMLDocument())
+ , m_matchVisitedPseudoClass(false)
+{
+}
+
+EInsideLink CSSStyleSelector::SelectorChecker::determineLinkStateSlowCase(Element* element) const
+{
+ ASSERT(element->isLink());
+
+ const AtomicString* attr = linkAttribute(element);
+ if (!attr || attr->isNull())
+ return NotInsideLink;
+
+#if PLATFORM(QT)
+ Vector<UChar, 512> url;
+ visitedURL(m_document->baseURL(), *attr, url);
+ if (url.isEmpty())
+ return InsideUnvisitedLink;
+
+ // If the Qt4.4 interface for the history is used, we will have to fallback
+ // to the old global history.
+ QWebHistoryInterface* iface = QWebHistoryInterface::defaultInterface();
+ if (iface)
+ return iface->historyContains(QString(reinterpret_cast<QChar*>(url.data()), url.size())) ? InsideVisitedLink : InsideUnvisitedLink;
+
+ LinkHash hash = visitedLinkHash(url.data(), url.size());
+ if (!hash)
+ return InsideUnvisitedLink;
+#else
+ LinkHash hash = visitedLinkHash(m_document->baseURL(), *attr);
+ if (!hash)
+ return InsideUnvisitedLink;
+#endif
+
+ Frame* frame = m_document->frame();
+ if (!frame)
+ return InsideUnvisitedLink;
+
+ Page* page = frame->page();
+ if (!page)
+ return InsideUnvisitedLink;
+
+ m_linksCheckedForVisitedState.add(hash);
+ return page->group().isLinkVisited(hash) ? InsideVisitedLink : InsideUnvisitedLink;
+}
+
+bool CSSStyleSelector::SelectorChecker::checkSelector(CSSSelector* sel, Element* element) const
+{
+ PseudoId dynamicPseudo = NOPSEUDO;
+ return checkSelector(sel, element, 0, dynamicPseudo, false, false) == SelectorMatches;
+}
+
+#ifdef STYLE_SHARING_STATS
+static int fraction = 0;
+static int total = 0;
+#endif
+
+static const unsigned cStyleSearchThreshold = 10;
+
+Node* CSSStyleSelector::locateCousinList(Element* parent, unsigned depth)
+{
+ if (parent && parent->isStyledElement()) {
+ StyledElement* p = static_cast<StyledElement*>(parent);
+ if (!p->inlineStyleDecl() && !p->hasID()) {
+ Node* r = p->previousSibling();
+ unsigned subcount = 0;
+ RenderStyle* st = p->renderStyle();
+ while (r) {
+ if (r->renderStyle() == st)
+ return r->lastChild();
+ if (subcount++ == cStyleSearchThreshold)
+ return 0;
+ r = r->previousSibling();
+ }
+ if (!r && depth < cStyleSearchThreshold)
+ r = locateCousinList(parent->parentElement(), depth + 1);
+ while (r) {
+ if (r->renderStyle() == st)
+ return r->lastChild();
+ if (subcount++ == cStyleSearchThreshold)
+ return 0;
+ r = r->previousSibling();
+ }
+ }
+ }
+ return 0;
+}
+
+bool CSSStyleSelector::canShareStyleWithElement(Node* n)
+{
+ if (n->isStyledElement()) {
+ StyledElement* s = static_cast<StyledElement*>(n);
+ RenderStyle* style = s->renderStyle();
+ if (style && !style->unique() &&
+ (s->tagQName() == m_element->tagQName()) && !s->hasID() &&
+ (s->hasClass() == m_element->hasClass()) && !s->inlineStyleDecl() &&
+ (s->hasMappedAttributes() == m_styledElement->hasMappedAttributes()) &&
+ (s->isLink() == m_element->isLink()) &&
+ !style->affectedByAttributeSelectors() &&
+ (s->hovered() == m_element->hovered()) &&
+ (s->active() == m_element->active()) &&
+ (s->focused() == m_element->focused()) &&
+ (s != s->document()->cssTarget() && m_element != m_element->document()->cssTarget()) &&
+ (s->fastGetAttribute(typeAttr) == m_element->fastGetAttribute(typeAttr)) &&
+ (s->fastGetAttribute(XMLNames::langAttr) == m_element->fastGetAttribute(XMLNames::langAttr)) &&
+ (s->fastGetAttribute(langAttr) == m_element->fastGetAttribute(langAttr)) &&
+ (s->fastGetAttribute(readonlyAttr) == m_element->fastGetAttribute(readonlyAttr)) &&
+ (s->fastGetAttribute(cellpaddingAttr) == m_element->fastGetAttribute(cellpaddingAttr))) {
+ bool isControl = s->isFormControlElement();
+ if (isControl != m_element->isFormControlElement())
+ return false;
+ if (isControl) {
+ InputElement* thisInputElement = toInputElement(s);
+ InputElement* otherInputElement = toInputElement(m_element);
+ if (thisInputElement && otherInputElement) {
+ if ((thisInputElement->isAutofilled() != otherInputElement->isAutofilled()) ||
+ (thisInputElement->isChecked() != otherInputElement->isChecked()) ||
+ (thisInputElement->isIndeterminate() != otherInputElement->isIndeterminate()))
+ return false;
+ } else
+ return false;
+
+ if (s->isEnabledFormControl() != m_element->isEnabledFormControl())
+ return false;
+
+ if (s->isDefaultButtonForForm() != m_element->isDefaultButtonForForm())
+ return false;
+
+ if (!m_element->document()->containsValidityStyleRules())
+ return false;
+
+ bool willValidate = s->willValidate();
+ if (willValidate != m_element->willValidate())
+ return false;
+
+ if (willValidate && (s->isValidFormControlElement() != m_element->isValidFormControlElement()))
+ return false;
+ }
+
+ if (style->transitions() || style->animations())
+ return false;
+
+ bool classesMatch = true;
+ if (s->hasClass()) {
+ const AtomicString& class1 = m_element->fastGetAttribute(classAttr);
+ const AtomicString& class2 = s->fastGetAttribute(classAttr);
+ classesMatch = (class1 == class2);
+ }
+
+ if (classesMatch) {
+ bool mappedAttrsMatch = true;
+ if (s->hasMappedAttributes())
+ mappedAttrsMatch = s->attributeMap()->mappedMapsEquivalent(m_styledElement->attributeMap());
+ if (mappedAttrsMatch) {
+ if (s->isLink()) {
+ if (m_elementLinkState != style->insideLink())
+ return false;
+ }
+ return true;
+ }
+ }
+ }
+ }
+ return false;
+}
+
+ALWAYS_INLINE RenderStyle* CSSStyleSelector::locateSharedStyle()
+{
+ if (m_styledElement && !m_styledElement->inlineStyleDecl() && !m_styledElement->hasID() && !m_styledElement->document()->usesSiblingRules()) {
+ // Check previous siblings.
+ unsigned count = 0;
+ Node* n;
+ for (n = m_element->previousSibling(); n && !n->isElementNode(); n = n->previousSibling()) { }
+ while (n) {
+ if (canShareStyleWithElement(n))
+ return n->renderStyle();
+ if (count++ == cStyleSearchThreshold)
+ return 0;
+ for (n = n->previousSibling(); n && !n->isElementNode(); n = n->previousSibling()) { }
+ }
+ if (!n)
+ n = locateCousinList(m_element->parentElement());
+ while (n) {
+ if (canShareStyleWithElement(n))
+ return n->renderStyle();
+ if (count++ == cStyleSearchThreshold)
+ return 0;
+ for (n = n->previousSibling(); n && !n->isElementNode(); n = n->previousSibling()) { }
+ }
+ }
+ return 0;
+}
+
+void CSSStyleSelector::matchUARules(int& firstUARule, int& lastUARule)
+{
+ // First we match rules from the user agent sheet.
+ CSSRuleSet* userAgentStyleSheet = m_medium->mediaTypeMatchSpecific("print")
+ ? defaultPrintStyle : defaultStyle;
+ matchRules(userAgentStyleSheet, firstUARule, lastUARule);
+
+ // In quirks mode, we match rules from the quirks user agent sheet.
+ if (!m_checker.m_strictParsing)
+ matchRules(defaultQuirksStyle, firstUARule, lastUARule);
+
+ // If we're in view source mode, then we match rules from the view source style sheet.
+ if (m_checker.m_document->frame() && m_checker.m_document->frame()->inViewSourceMode()) {
+ if (!defaultViewSourceStyle)
+ loadViewSourceStyle();
+ matchRules(defaultViewSourceStyle, firstUARule, lastUARule);
+ }
+}
+
+PassRefPtr<RenderStyle> CSSStyleSelector::styleForDocument(Document* document)
+{
+ FrameView* view = document->view();
+
+ RefPtr<RenderStyle> documentStyle = RenderStyle::create();
+ documentStyle->setDisplay(BLOCK);
+ documentStyle->setVisuallyOrdered(document->visuallyOrdered());
+ documentStyle->setZoom(view ? view->pageZoomFactor() : 1);
+
+ FontDescription fontDescription;
+ fontDescription.setUsePrinterFont(document->printing());
+ if (Settings* settings = document->settings()) {
+ fontDescription.setRenderingMode(settings->fontRenderingMode());
+ if (document->printing() && !settings->shouldPrintBackgrounds())
+ documentStyle->setForceBackgroundsToWhite(true);
+ const AtomicString& stdfont = settings->standardFontFamily();
+ if (!stdfont.isEmpty()) {
+ fontDescription.firstFamily().setFamily(stdfont);
+ fontDescription.firstFamily().appendFamily(0);
+ }
+ fontDescription.setKeywordSize(CSSValueMedium - CSSValueXxSmall + 1);
+ int size = CSSStyleSelector::fontSizeForKeyword(document, CSSValueMedium, false);
+ fontDescription.setSpecifiedSize(size);
+ bool useSVGZoomRules = document->isSVGDocument();
+ fontDescription.setComputedSize(CSSStyleSelector::getComputedSizeFromSpecifiedSize(document, documentStyle.get(), fontDescription.isAbsoluteSize(), size, useSVGZoomRules));
+ }
+
+ documentStyle->setFontDescription(fontDescription);
+ documentStyle->font().update(0);
+ if (document->inCompatMode())
+ documentStyle->setHtmlHacks(true); // enable html specific rendering tricks
+
+ return documentStyle.release();
+}
+
+// If resolveForRootDefault is true, style based on user agent style sheet only. This is used in media queries, where
+// relative units are interpreted according to document root element style, styled only with UA stylesheet
+
+PassRefPtr<RenderStyle> CSSStyleSelector::styleForElement(Element* e, RenderStyle* defaultParent, bool allowSharing, bool resolveForRootDefault, bool matchVisitedPseudoClass)
+{
+ // Once an element has a renderer, we don't try to destroy it, since otherwise the renderer
+ // will vanish if a style recalc happens during loading.
+ if (allowSharing && !e->document()->haveStylesheetsLoaded() && !e->renderer()) {
+ if (!s_styleNotYetAvailable) {
+ s_styleNotYetAvailable = RenderStyle::create().releaseRef();
+ s_styleNotYetAvailable->ref();
+ s_styleNotYetAvailable->setDisplay(NONE);
+ s_styleNotYetAvailable->font().update(m_fontSelector);
+ }
+ s_styleNotYetAvailable->ref();
+ e->document()->setHasNodesWithPlaceholderStyle();
+ return s_styleNotYetAvailable;
+ }
+
+ initElement(e);
+ if (allowSharing) {
+ RenderStyle* sharedStyle = locateSharedStyle();
+ if (sharedStyle)
+ return sharedStyle;
+ }
+ initForStyleResolve(e, defaultParent);
+
+ // Compute our style allowing :visited to match first.
+ RefPtr<RenderStyle> visitedStyle;
+ if (!matchVisitedPseudoClass && m_parentStyle && (m_parentStyle->insideLink() || e->isLink()) && e->document()->usesLinkRules()) {
+ // Fetch our parent style.
+ RenderStyle* parentStyle = m_parentStyle;
+ if (!e->isLink()) {
+ // Use the parent's visited style if one exists.
+ RenderStyle* parentVisitedStyle = m_parentStyle->getCachedPseudoStyle(VISITED_LINK);
+ if (parentVisitedStyle)
+ parentStyle = parentVisitedStyle;
+ }
+ visitedStyle = styleForElement(e, parentStyle, false, false, true);
+ if (visitedStyle) {
+ if (m_elementLinkState == InsideUnvisitedLink)
+ visitedStyle = 0; // We made the style to avoid timing attacks. Just throw it away now that we did that, since we don't need it.
+ else
+ visitedStyle->setStyleType(VISITED_LINK);
+ }
+ initForStyleResolve(e, defaultParent);
+ }
+
+ m_checker.m_matchVisitedPseudoClass = matchVisitedPseudoClass;
+
+ m_style = RenderStyle::create();
+
+ if (m_parentStyle)
+ m_style->inheritFrom(m_parentStyle);
+ else
+ m_parentStyle = style();
+
+ if (e->isLink()) {
+ m_style->setIsLink(true);
+ m_style->setInsideLink(m_elementLinkState);
+ }
+
+ if (simpleDefaultStyleSheet && !elementCanUseSimpleDefaultStyle(e))
+ loadFullDefaultStyle();
+
+#if ENABLE(SVG)
+ static bool loadedSVGUserAgentSheet;
+ if (e->isSVGElement() && !loadedSVGUserAgentSheet) {
+ // SVG rules.
+ loadedSVGUserAgentSheet = true;
+ CSSStyleSheet* svgSheet = parseUASheet(svgUserAgentStyleSheet, sizeof(svgUserAgentStyleSheet));
+ defaultStyle->addRulesFromSheet(svgSheet, screenEval());
+ defaultPrintStyle->addRulesFromSheet(svgSheet, printEval());
+ }
+#endif
+
+#if ENABLE(MATHML)
+ static bool loadedMathMLUserAgentSheet;
+ if (e->isMathMLElement() && !loadedMathMLUserAgentSheet) {
+ // MathML rules.
+ loadedMathMLUserAgentSheet = true;
+ CSSStyleSheet* mathMLSheet = parseUASheet(mathmlUserAgentStyleSheet, sizeof(mathmlUserAgentStyleSheet));
+ defaultStyle->addRulesFromSheet(mathMLSheet, screenEval());
+ defaultPrintStyle->addRulesFromSheet(mathMLSheet, printEval());
+ }
+#endif
+
+#if ENABLE(WML)
+ static bool loadedWMLUserAgentSheet;
+ if (e->isWMLElement() && !loadedWMLUserAgentSheet) {
+ // WML rules.
+ loadedWMLUserAgentSheet = true;
+ CSSStyleSheet* wmlSheet = parseUASheet(wmlUserAgentStyleSheet, sizeof(wmlUserAgentStyleSheet));
+ defaultStyle->addRulesFromSheet(wmlSheet, screenEval());
+ defaultPrintStyle->addRulesFromSheet(wmlSheet, printEval());
+ }
+#endif
+
+#if ENABLE(VIDEO)
+ static bool loadedMediaStyleSheet;
+ if (!loadedMediaStyleSheet && (e->hasTagName(videoTag) || e->hasTagName(audioTag))) {
+ loadedMediaStyleSheet = true;
+ String mediaRules = String(mediaControlsUserAgentStyleSheet, sizeof(mediaControlsUserAgentStyleSheet)) + RenderTheme::defaultTheme()->extraMediaControlsStyleSheet();
+ CSSStyleSheet* mediaControlsSheet = parseUASheet(mediaRules);
+ defaultStyle->addRulesFromSheet(mediaControlsSheet, screenEval());
+ defaultPrintStyle->addRulesFromSheet(mediaControlsSheet, printEval());
+ }
+#endif
+
+ int firstUARule = -1, lastUARule = -1;
+ int firstUserRule = -1, lastUserRule = -1;
+ int firstAuthorRule = -1, lastAuthorRule = -1;
+ matchUARules(firstUARule, lastUARule);
+
+ if (!resolveForRootDefault) {
+ // 4. Now we check user sheet rules.
+ if (m_matchAuthorAndUserStyles)
+ matchRules(m_userStyle, firstUserRule, lastUserRule);
+
+ // 5. Now check author rules, beginning first with presentational attributes
+ // mapped from HTML.
+ if (m_styledElement) {
+ // Ask if the HTML element has mapped attributes.
+ if (m_styledElement->hasMappedAttributes()) {
+ // Walk our attribute list and add in each decl.
+ const NamedNodeMap* map = m_styledElement->attributeMap();
+ for (unsigned i = 0; i < map->length(); i++) {
+ Attribute* attr = map->attributeItem(i);
+ if (attr->isMappedAttribute() && attr->decl()) {
+ lastAuthorRule = m_matchedDecls.size();
+ if (firstAuthorRule == -1)
+ firstAuthorRule = lastAuthorRule;
+ addMatchedDeclaration(attr->decl());
+ }
+ }
+ }
+
+ // Now we check additional mapped declarations.
+ // Tables and table cells share an additional mapped rule that must be applied
+ // after all attributes, since their mapped style depends on the values of multiple attributes.
+ if (m_styledElement->canHaveAdditionalAttributeStyleDecls()) {
+ m_additionalAttributeStyleDecls.clear();
+ m_styledElement->additionalAttributeStyleDecls(m_additionalAttributeStyleDecls);
+ if (!m_additionalAttributeStyleDecls.isEmpty()) {
+ unsigned additionalDeclsSize = m_additionalAttributeStyleDecls.size();
+ if (firstAuthorRule == -1)
+ firstAuthorRule = m_matchedDecls.size();
+ lastAuthorRule = m_matchedDecls.size() + additionalDeclsSize - 1;
+ for (unsigned i = 0; i < additionalDeclsSize; i++)
+ addMatchedDeclaration(m_additionalAttributeStyleDecls[i]);
+ }
+ }
+ }
+
+ // 6. Check the rules in author sheets next.
+ if (m_matchAuthorAndUserStyles)
+ matchRules(m_authorStyle, firstAuthorRule, lastAuthorRule);
+
+ // 7. Now check our inline style attribute.
+ if (m_matchAuthorAndUserStyles && m_styledElement) {
+ CSSMutableStyleDeclaration* inlineDecl = m_styledElement->inlineStyleDecl();
+ if (inlineDecl) {
+ lastAuthorRule = m_matchedDecls.size();
+ if (firstAuthorRule == -1)
+ firstAuthorRule = lastAuthorRule;
+ addMatchedDeclaration(inlineDecl);
+ }
+ }
+ }
+
+ // Reset the value back before applying properties, so that -webkit-link knows what color to use.
+ m_checker.m_matchVisitedPseudoClass = matchVisitedPseudoClass;
+
+ // Now we have all of the matched rules in the appropriate order. Walk the rules and apply
+ // high-priority properties first, i.e., those properties that other properties depend on.
+ // The order is (1) high-priority not important, (2) high-priority important, (3) normal not important
+ // and (4) normal important.
+ m_lineHeightValue = 0;
+ applyDeclarations<true>(false, 0, m_matchedDecls.size() - 1);
+ if (!resolveForRootDefault) {
+ applyDeclarations<true>(true, firstAuthorRule, lastAuthorRule);
+ applyDeclarations<true>(true, firstUserRule, lastUserRule);
+ }
+ applyDeclarations<true>(true, firstUARule, lastUARule);
+
+ // If our font got dirtied, go ahead and update it now.
+ if (m_fontDirty)
+ updateFont();
+
+ // Line-height is set when we are sure we decided on the font-size
+ if (m_lineHeightValue)
+ applyProperty(CSSPropertyLineHeight, m_lineHeightValue);
+
+ // Now do the normal priority UA properties.
+ applyDeclarations<false>(false, firstUARule, lastUARule);
+
+ // Cache our border and background so that we can examine them later.
+ cacheBorderAndBackground();
+
+ // Now do the author and user normal priority properties and all the !important properties.
+ if (!resolveForRootDefault) {
+ applyDeclarations<false>(false, lastUARule + 1, m_matchedDecls.size() - 1);
+ applyDeclarations<false>(true, firstAuthorRule, lastAuthorRule);
+ applyDeclarations<false>(true, firstUserRule, lastUserRule);
+ }
+ applyDeclarations<false>(true, firstUARule, lastUARule);
+
+ // If our font got dirtied by one of the non-essential font props,
+ // go ahead and update it a second time.
+ if (m_fontDirty)
+ updateFont();
+
+ // Clean up our style object's display and text decorations (among other fixups).
+ adjustRenderStyle(style(), e);
+
+ // If we have first-letter pseudo style, do not share this style
+ if (m_style->hasPseudoStyle(FIRST_LETTER))
+ m_style->setUnique();
+
+ if (visitedStyle) {
+ // Copy any pseudo bits that the visited style has to the primary style so that
+ // pseudo element styles will continue to work for pseudo elements inside :visited
+ // links.
+ for (unsigned pseudo = FIRST_PUBLIC_PSEUDOID; pseudo < FIRST_INTERNAL_PSEUDOID; ++pseudo) {
+ if (visitedStyle->hasPseudoStyle(static_cast<PseudoId>(pseudo)))
+ m_style->setHasPseudoStyle(static_cast<PseudoId>(pseudo));
+ }
+
+ // Add the visited style off the main style.
+ m_style->addCachedPseudoStyle(visitedStyle.release());
+ }
+
+ if (!matchVisitedPseudoClass)
+ initElement(0); // Clear out for the next resolve.
+
+ // Now return the style.
+ return m_style.release();
+}
+
+PassRefPtr<RenderStyle> CSSStyleSelector::styleForKeyframe(const RenderStyle* elementStyle, const WebKitCSSKeyframeRule* keyframeRule, KeyframeList& list)
+{
+ if (keyframeRule->style())
+ addMatchedDeclaration(keyframeRule->style());
+
+ ASSERT(!m_style);
+
+ // Create the style
+ m_style = RenderStyle::clone(elementStyle);
+
+ m_lineHeightValue = 0;
+
+ // We don't need to bother with !important. Since there is only ever one
+ // decl, there's nothing to override. So just add the first properties.
+ if (keyframeRule->style())
+ applyDeclarations<true>(false, 0, m_matchedDecls.size() - 1);
+
+ // If our font got dirtied, go ahead and update it now.
+ if (m_fontDirty)
+ updateFont();
+
+ // Line-height is set when we are sure we decided on the font-size
+ if (m_lineHeightValue)
+ applyProperty(CSSPropertyLineHeight, m_lineHeightValue);
+
+ // Now do rest of the properties.
+ if (keyframeRule->style())
+ applyDeclarations<false>(false, 0, m_matchedDecls.size() - 1);
+
+ // If our font got dirtied by one of the non-essential font props,
+ // go ahead and update it a second time.
+ if (m_fontDirty)
+ updateFont();
+
+ // Add all the animating properties to the list
+ if (keyframeRule->style()) {
+ CSSMutableStyleDeclaration::const_iterator end = keyframeRule->style()->end();
+ for (CSSMutableStyleDeclaration::const_iterator it = keyframeRule->style()->begin(); it != end; ++it) {
+ int property = (*it).id();
+ // Timing-function within keyframes is special, because it is not animated; it just
+ // describes the timing function between this keyframe and the next.
+ if (property != CSSPropertyWebkitAnimationTimingFunction)
+ list.addProperty(property);
+ }
+ }
+
+ return m_style.release();
+}
+
+void CSSStyleSelector::keyframeStylesForAnimation(Element* e, const RenderStyle* elementStyle, KeyframeList& list)
+{
+ list.clear();
+
+ // Get the keyframesRule for this name
+ if (!e || list.animationName().isEmpty())
+ return;
+
+ m_keyframesRuleMap.checkConsistency();
+
+ if (!m_keyframesRuleMap.contains(list.animationName().impl()))
+ return;
+
+ const WebKitCSSKeyframesRule* rule = m_keyframesRuleMap.find(list.animationName().impl()).get()->second.get();
+ RefPtr<RenderStyle> keyframeStyle;
+
+ // Construct and populate the style for each keyframe
+ for (unsigned i = 0; i < rule->length(); ++i) {
+ // Apply the declaration to the style. This is a simplified version of the logic in styleForElement
+ initElement(e);
+ initForStyleResolve(e);
+
+ const WebKitCSSKeyframeRule* keyframeRule = rule->item(i);
+
+ keyframeStyle = styleForKeyframe(elementStyle, keyframeRule, list);
+
+ // Add this keyframe style to all the indicated key times
+ Vector<float> keys;
+ keyframeRule->getKeys(keys);
+ for (size_t keyIndex = 0; keyIndex < keys.size(); ++keyIndex) {
+ float key = keys[keyIndex];
+ list.insert(key, keyframeStyle.get());
+ }
+ keyframeStyle.release();
+ }
+
+ // If the 0% keyframe is missing, create it (but only if there is at least one other keyframe)
+ int initialListSize = list.size();
+ if (initialListSize > 0 && list.beginKeyframes()->key() != 0) {
+ RefPtr<WebKitCSSKeyframeRule> keyframe = WebKitCSSKeyframeRule::create();
+ keyframe->setKeyText("0%");
+ keyframeStyle = styleForKeyframe(elementStyle, keyframe.get(), list);
+ list.insert(0, keyframeStyle.release());
+ }
+
+ // If the 100% keyframe is missing, create it (but only if there is at least one other keyframe)
+ if (initialListSize > 0 && (list.endKeyframes() - 1)->key() != 1) {
+ RefPtr<WebKitCSSKeyframeRule> keyframe = WebKitCSSKeyframeRule::create();
+ keyframe->setKeyText("100%");
+ keyframeStyle = styleForKeyframe(elementStyle, keyframe.get(), list);
+ list.insert(1, keyframeStyle.release());
+ }
+}
+
+PassRefPtr<RenderStyle> CSSStyleSelector::pseudoStyleForElement(PseudoId pseudo, Element* e, RenderStyle* parentStyle, bool matchVisitedPseudoClass)
+{
+ if (!e)
+ return 0;
+
+ initElement(e);
+
+ // Compute our :visited style first, so that we know whether or not we'll need to create a normal style just to hang it
+ // off of.
+ RefPtr<RenderStyle> visitedStyle;
+ if (!matchVisitedPseudoClass && parentStyle && parentStyle->insideLink()) {
+ // Fetch our parent style with :visited in effect.
+ RenderStyle* parentVisitedStyle = parentStyle->getCachedPseudoStyle(VISITED_LINK);
+ visitedStyle = pseudoStyleForElement(pseudo, e, parentVisitedStyle ? parentVisitedStyle : parentStyle, true);
+ if (visitedStyle) {
+ if (m_elementLinkState == InsideUnvisitedLink)
+ visitedStyle = 0; // We made the style to avoid timing attacks. Just throw it away now that we did that.
+ else
+ visitedStyle->setStyleType(VISITED_LINK);
+ }
+ }
+
+ initForStyleResolve(e, parentStyle, pseudo);
+ m_style = parentStyle;
+
+ m_checker.m_matchVisitedPseudoClass = matchVisitedPseudoClass;
+
+ // Since we don't use pseudo-elements in any of our quirk/print user agent rules, don't waste time walking
+ // those rules.
+
+ // Check UA, user and author rules.
+ int firstUARule = -1, lastUARule = -1, firstUserRule = -1, lastUserRule = -1, firstAuthorRule = -1, lastAuthorRule = -1;
+ matchUARules(firstUARule, lastUARule);
+
+ if (m_matchAuthorAndUserStyles) {
+ matchRules(m_userStyle, firstUserRule, lastUserRule);
+ matchRules(m_authorStyle, firstAuthorRule, lastAuthorRule);
+ }
+
+ if (m_matchedDecls.isEmpty() && !visitedStyle)
+ return 0;
+
+ m_style = RenderStyle::create();
+ if (parentStyle)
+ m_style->inheritFrom(parentStyle);
+
+ m_style->setStyleType(pseudo);
+
+ m_lineHeightValue = 0;
+
+ // Reset the value back before applying properties, so that -webkit-link knows what color to use.
+ m_checker.m_matchVisitedPseudoClass = matchVisitedPseudoClass;
+
+ // High-priority properties.
+ applyDeclarations<true>(false, 0, m_matchedDecls.size() - 1);
+ applyDeclarations<true>(true, firstAuthorRule, lastAuthorRule);
+ applyDeclarations<true>(true, firstUserRule, lastUserRule);
+ applyDeclarations<true>(true, firstUARule, lastUARule);
+
+ // If our font got dirtied, go ahead and update it now.
+ if (m_fontDirty)
+ updateFont();
+
+ // Line-height is set when we are sure we decided on the font-size
+ if (m_lineHeightValue)
+ applyProperty(CSSPropertyLineHeight, m_lineHeightValue);
+
+ // Now do the normal priority properties.
+ applyDeclarations<false>(false, firstUARule, lastUARule);
+
+ // Cache our border and background so that we can examine them later.
+ cacheBorderAndBackground();
+
+ applyDeclarations<false>(false, lastUARule + 1, m_matchedDecls.size() - 1);
+ applyDeclarations<false>(true, firstAuthorRule, lastAuthorRule);
+ applyDeclarations<false>(true, firstUserRule, lastUserRule);
+ applyDeclarations<false>(true, firstUARule, lastUARule);
+
+ // If our font got dirtied by one of the non-essential font props,
+ // go ahead and update it a second time.
+ if (m_fontDirty)
+ updateFont();
+
+ // Clean up our style object's display and text decorations (among other fixups).
+ adjustRenderStyle(style(), 0);
+
+ // Hang our visited style off m_style.
+ if (visitedStyle)
+ m_style->addCachedPseudoStyle(visitedStyle.release());
+
+ // Now return the style.
+ return m_style.release();
+}
+
+PassRefPtr<RenderStyle> CSSStyleSelector::styleForPage(int pageIndex)
+{
+ initForStyleResolve(m_checker.m_document->body());
+
+ m_style = RenderStyle::create();
+ m_style->inheritFrom(m_rootElementStyle);
+
+ const bool isLeft = isLeftPage(pageIndex);
+ const bool isFirst = isFirstPage(pageIndex);
+ const String page = pageName(pageIndex);
+ matchPageRules(defaultPrintStyle, isLeft, isFirst, page);
+ matchPageRules(m_userStyle, isLeft, isFirst, page);
+ matchPageRules(m_authorStyle, isLeft, isFirst, page);
+ m_lineHeightValue = 0;
+ applyDeclarations<true>(false, 0, m_matchedDecls.size() - 1);
+
+ // If our font got dirtied, go ahead and update it now.
+ if (m_fontDirty)
+ updateFont();
+
+ // Line-height is set when we are sure we decided on the font-size
+ if (m_lineHeightValue)
+ applyProperty(CSSPropertyLineHeight, m_lineHeightValue);
+
+ applyDeclarations<false>(false, 0, m_matchedDecls.size() - 1);
+
+ // Now return the style.
+ return m_style.release();
+}
+
+#if ENABLE(DATAGRID)
+
+PassRefPtr<RenderStyle> CSSStyleSelector::pseudoStyleForDataGridColumn(DataGridColumn*, RenderStyle*)
+{
+ // FIXME: Implement
+ return 0;
+}
+
+PassRefPtr<RenderStyle> CSSStyleSelector::pseudoStyleForDataGridColumnHeader(DataGridColumn*, RenderStyle*)
+{
+ // FIXME: Implement
+ return 0;
+}
+
+#endif
+
+static void addIntrinsicMargins(RenderStyle* style)
+{
+ // Intrinsic margin value.
+ const int intrinsicMargin = 2 * style->effectiveZoom();
+
+ // FIXME: Using width/height alone and not also dealing with min-width/max-width is flawed.
+ // FIXME: Using "quirk" to decide the margin wasn't set is kind of lame.
+ if (style->width().isIntrinsicOrAuto()) {
+ if (style->marginLeft().quirk())
+ style->setMarginLeft(Length(intrinsicMargin, Fixed));
+ if (style->marginRight().quirk())
+ style->setMarginRight(Length(intrinsicMargin, Fixed));
+ }
+
+ if (style->height().isAuto()) {
+ if (style->marginTop().quirk())
+ style->setMarginTop(Length(intrinsicMargin, Fixed));
+ if (style->marginBottom().quirk())
+ style->setMarginBottom(Length(intrinsicMargin, Fixed));
+ }
+}
+
+void CSSStyleSelector::adjustRenderStyle(RenderStyle* style, Element *e)
+{
+ // Cache our original display.
+ style->setOriginalDisplay(style->display());
+
+ if (style->display() != NONE) {
+ // If we have a <td> that specifies a float property, in quirks mode we just drop the float
+ // property.
+ // Sites also commonly use display:inline/block on <td>s and <table>s. In quirks mode we force
+ // these tags to retain their display types.
+ if (!m_checker.m_strictParsing && e) {
+ if (e->hasTagName(tdTag)) {
+ style->setDisplay(TABLE_CELL);
+ style->setFloating(FNONE);
+ }
+ else if (e->hasTagName(tableTag))
+ style->setDisplay(style->isDisplayInlineType() ? INLINE_TABLE : TABLE);
+ }
+
+ if (e && (e->hasTagName(tdTag) || e->hasTagName(thTag))) {
+ if (style->whiteSpace() == KHTML_NOWRAP) {
+ // Figure out if we are really nowrapping or if we should just
+ // use normal instead. If the width of the cell is fixed, then
+ // we don't actually use NOWRAP.
+ if (style->width().isFixed())
+ style->setWhiteSpace(NORMAL);
+ else
+ style->setWhiteSpace(NOWRAP);
+ }
+ }
+
+ // Tables never support the -webkit-* values for text-align and will reset back to the default.
+ if (e && e->hasTagName(tableTag) && (style->textAlign() == WEBKIT_LEFT || style->textAlign() == WEBKIT_CENTER || style->textAlign() == WEBKIT_RIGHT))
+ style->setTextAlign(TAAUTO);
+
+ // Frames and framesets never honor position:relative or position:absolute. This is necessary to
+ // fix a crash where a site tries to position these objects. They also never honor display.
+ if (e && (e->hasTagName(frameTag) || e->hasTagName(framesetTag))) {
+ style->setPosition(StaticPosition);
+ style->setDisplay(BLOCK);
+ }
+
+ // Table headers with a text-align of auto will change the text-align to center.
+ if (e && e->hasTagName(thTag) && style->textAlign() == TAAUTO)
+ style->setTextAlign(CENTER);
+
+ if (e && e->hasTagName(legendTag))
+ style->setDisplay(BLOCK);
+
+ // Mutate the display to BLOCK or TABLE for certain cases, e.g., if someone attempts to
+ // position or float an inline, compact, or run-in. Cache the original display, since it
+ // may be needed for positioned elements that have to compute their static normal flow
+ // positions. We also force inline-level roots to be block-level.
+ if (style->display() != BLOCK && style->display() != TABLE && style->display() != BOX &&
+ (style->position() == AbsolutePosition || style->position() == FixedPosition || style->floating() != FNONE ||
+ (e && e->document()->documentElement() == e))) {
+ if (style->display() == INLINE_TABLE)
+ style->setDisplay(TABLE);
+ else if (style->display() == INLINE_BOX)
+ style->setDisplay(BOX);
+ else if (style->display() == LIST_ITEM) {
+ // It is a WinIE bug that floated list items lose their bullets, so we'll emulate the quirk,
+ // but only in quirks mode.
+ if (!m_checker.m_strictParsing && style->floating() != FNONE)
+ style->setDisplay(BLOCK);
+ }
+ else
+ style->setDisplay(BLOCK);
+ }
+
+ // After performing the display mutation, check table rows. We do not honor position:relative on
+ // table rows or cells. This has been established in CSS2.1 (and caused a crash in containingBlock()
+ // on some sites).
+ if ((style->display() == TABLE_HEADER_GROUP || style->display() == TABLE_ROW_GROUP ||
+ style->display() == TABLE_FOOTER_GROUP || style->display() == TABLE_ROW || style->display() == TABLE_CELL) &&
+ style->position() == RelativePosition)
+ style->setPosition(StaticPosition);
+ }
+
+ // Make sure our z-index value is only applied if the object is positioned.
+ if (style->position() == StaticPosition)
+ style->setHasAutoZIndex();
+
+ // Auto z-index becomes 0 for the root element and transparent objects. This prevents
+ // cases where objects that should be blended as a single unit end up with a non-transparent
+ // object wedged in between them. Auto z-index also becomes 0 for objects that specify transforms/masks/reflections.
+ if (style->hasAutoZIndex() && ((e && e->document()->documentElement() == e) || style->opacity() < 1.0f ||
+ style->hasTransformRelatedProperty() || style->hasMask() || style->boxReflect()))
+ style->setZIndex(0);
+
+ // Button, legend, input, select and textarea all consider width values of 'auto' to be 'intrinsic'.
+ // This will be important when we use block flows for all form controls.
+ if (e && (e->hasTagName(legendTag) || e->hasTagName(buttonTag) || e->hasTagName(inputTag) ||
+ e->hasTagName(selectTag) || e->hasTagName(textareaTag) || e->hasTagName(datagridTag)
+#if ENABLE(WML)
+ || e->hasTagName(WMLNames::insertedLegendTag)
+ || e->hasTagName(WMLNames::inputTag)
+#endif
+ )) {
+ if (style->width().isAuto())
+ style->setWidth(Length(Intrinsic));
+
+ // Textarea considers overflow visible as auto.
+ if (e && e->hasTagName(textareaTag)) {
+ style->setOverflowX(style->overflowX() == OVISIBLE ? OAUTO : style->overflowX());
+ style->setOverflowY(style->overflowY() == OVISIBLE ? OAUTO : style->overflowY());
+ }
+ }
+
+ // Finally update our text decorations in effect, but don't allow text-decoration to percolate through
+ // tables, inline blocks, inline tables, or run-ins.
+ if (style->display() == TABLE || style->display() == INLINE_TABLE || style->display() == RUN_IN
+ || style->display() == INLINE_BLOCK || style->display() == INLINE_BOX)
+ style->setTextDecorationsInEffect(style->textDecoration());
+ else
+ style->addToTextDecorationsInEffect(style->textDecoration());
+
+ // If either overflow value is not visible, change to auto.
+ if (style->overflowX() == OMARQUEE && style->overflowY() != OMARQUEE)
+ style->setOverflowY(OMARQUEE);
+ else if (style->overflowY() == OMARQUEE && style->overflowX() != OMARQUEE)
+ style->setOverflowX(OMARQUEE);
+ else if (style->overflowX() == OVISIBLE && style->overflowY() != OVISIBLE)
+ style->setOverflowX(OAUTO);
+ else if (style->overflowY() == OVISIBLE && style->overflowX() != OVISIBLE)
+ style->setOverflowY(OAUTO);
+
+ // Table rows, sections and the table itself will support overflow:hidden and will ignore scroll/auto.
+ // FIXME: Eventually table sections will support auto and scroll.
+ if (style->display() == TABLE || style->display() == INLINE_TABLE ||
+ style->display() == TABLE_ROW_GROUP || style->display() == TABLE_ROW) {
+ if (style->overflowX() != OVISIBLE && style->overflowX() != OHIDDEN)
+ style->setOverflowX(OVISIBLE);
+ if (style->overflowY() != OVISIBLE && style->overflowY() != OHIDDEN)
+ style->setOverflowY(OVISIBLE);
+ }
+
+ // Menulists should have visible overflow
+ if (style->appearance() == MenulistPart) {
+ style->setOverflowX(OVISIBLE);
+ style->setOverflowY(OVISIBLE);
+ }
+
+ // Cull out any useless layers and also repeat patterns into additional layers.
+ style->adjustBackgroundLayers();
+ style->adjustMaskLayers();
+
+ // Do the same for animations and transitions.
+ style->adjustAnimations();
+ style->adjustTransitions();
+
+ // Important: Intrinsic margins get added to controls before the theme has adjusted the style, since the theme will
+ // alter fonts and heights/widths.
+ if (e && e->isFormControlElement() && style->fontSize() >= 11) {
+ // Don't apply intrinsic margins to image buttons. The designer knows how big the images are,
+ // so we have to treat all image buttons as though they were explicitly sized.
+ if (!e->hasTagName(inputTag) || static_cast<HTMLInputElement*>(e)->inputType() != HTMLInputElement::IMAGE)
+ addIntrinsicMargins(style);
+ }
+
+ // Let the theme also have a crack at adjusting the style.
+ if (style->hasAppearance())
+ RenderTheme::defaultTheme()->adjustStyle(this, style, e, m_hasUAAppearance, m_borderData, m_backgroundData, m_backgroundColor);
+
+#if ENABLE(SVG)
+ if (e && e->isSVGElement()) {
+ // Spec: http://www.w3.org/TR/SVG/masking.html#OverflowProperty
+ if (style->overflowY() == OSCROLL)
+ style->setOverflowY(OHIDDEN);
+ else if (style->overflowY() == OAUTO)
+ style->setOverflowY(OVISIBLE);
+
+ if (style->overflowX() == OSCROLL)
+ style->setOverflowX(OHIDDEN);
+ else if (style->overflowX() == OAUTO)
+ style->setOverflowX(OVISIBLE);
+
+ // Only the root <svg> element in an SVG document fragment tree honors css position
+ if (!(e->hasTagName(SVGNames::svgTag) && e->parentNode() && !e->parentNode()->isSVGElement()))
+ style->setPosition(RenderStyle::initialPosition());
+ }
+#endif
+}
+
+void CSSStyleSelector::updateFont()
+{
+ checkForTextSizeAdjust();
+ checkForGenericFamilyChange(style(), m_parentStyle);
+ checkForZoomChange(style(), m_parentStyle);
+ m_style->font().update(m_fontSelector);
+ m_fontDirty = false;
+}
+
+void CSSStyleSelector::cacheBorderAndBackground()
+{
+ m_hasUAAppearance = m_style->hasAppearance();
+ if (m_hasUAAppearance) {
+ m_borderData = m_style->border();
+ m_backgroundData = *m_style->backgroundLayers();
+ m_backgroundColor = m_style->backgroundColor();
+ }
+}
+
+PassRefPtr<CSSRuleList> CSSStyleSelector::styleRulesForElement(Element* e, bool authorOnly)
+{
+ return pseudoStyleRulesForElement(e, NOPSEUDO, authorOnly);
+}
+
+PassRefPtr<CSSRuleList> CSSStyleSelector::pseudoStyleRulesForElement(Element* e, PseudoId pseudoId, bool authorOnly)
+{
+ if (!e || !e->document()->haveStylesheetsLoaded())
+ return 0;
+
+ m_checker.m_collectRulesOnly = true;
+
+ initElement(e);
+ initForStyleResolve(e, 0, pseudoId);
+
+ if (!authorOnly) {
+ int firstUARule = -1, lastUARule = -1;
+ // First we match rules from the user agent sheet.
+ matchUARules(firstUARule, lastUARule);
+
+ // Now we check user sheet rules.
+ if (m_matchAuthorAndUserStyles) {
+ int firstUserRule = -1, lastUserRule = -1;
+ matchRules(m_userStyle, firstUserRule, lastUserRule);
+ }
+ }
+
+ if (m_matchAuthorAndUserStyles) {
+ // Check the rules in author sheets.
+ int firstAuthorRule = -1, lastAuthorRule = -1;
+ matchRules(m_authorStyle, firstAuthorRule, lastAuthorRule);
+ }
+
+ m_checker.m_collectRulesOnly = false;
+
+ return m_ruleList.release();
+}
+
+bool CSSStyleSelector::checkSelector(CSSSelector* sel)
+{
+ m_dynamicPseudo = NOPSEUDO;
+
+ // Check the selector
+ SelectorMatch match = m_checker.checkSelector(sel, m_element, &m_selectorAttrs, m_dynamicPseudo, false, false, style(), m_parentStyle);
+ if (match != SelectorMatches)
+ return false;
+
+ if (m_checker.m_pseudoStyle != NOPSEUDO && m_checker.m_pseudoStyle != m_dynamicPseudo)
+ return false;
+
+ return true;
+}
+
+// Recursive check of selectors and combinators
+// It can return 3 different values:
+// * SelectorMatches - the selector matches the element e
+// * SelectorFailsLocally - the selector fails for the element e
+// * SelectorFailsCompletely - the selector fails for e and any sibling or ancestor of e
+CSSStyleSelector::SelectorMatch CSSStyleSelector::SelectorChecker::checkSelector(CSSSelector* sel, Element* e, HashSet<AtomicStringImpl*>* selectorAttrs, PseudoId& dynamicPseudo, bool isSubSelector, bool encounteredLink, RenderStyle* elementStyle, RenderStyle* elementParentStyle) const
+{
+#if ENABLE(SVG)
+ // Spec: CSS2 selectors cannot be applied to the (conceptually) cloned DOM tree
+ // because its contents are not part of the formal document structure.
+ if (e->isSVGElement() && e->isShadowNode())
+ return SelectorFailsCompletely;
+#endif
+
+ // first selector has to match
+ if (!checkOneSelector(sel, e, selectorAttrs, dynamicPseudo, isSubSelector, elementStyle, elementParentStyle))
+ return SelectorFailsLocally;
+
+ // The rest of the selectors has to match
+ CSSSelector::Relation relation = sel->relation();
+
+ // Prepare next sel
+ sel = sel->tagHistory();
+ if (!sel)
+ return SelectorMatches;
+
+ if (relation != CSSSelector::SubSelector)
+ // Bail-out if this selector is irrelevant for the pseudoStyle
+ if (m_pseudoStyle != NOPSEUDO && m_pseudoStyle != dynamicPseudo)
+ return SelectorFailsCompletely;
+
+ // Check for nested links.
+ if (m_matchVisitedPseudoClass && !isSubSelector) {
+ RenderStyle* currentStyle = elementStyle ? elementStyle : e->renderStyle();
+ if (currentStyle && currentStyle->insideLink() && e->isLink()) {
+ if (encounteredLink)
+ m_matchVisitedPseudoClass = false; // This link is not relevant to the style being resolved, so disable matching.
+ else
+ encounteredLink = true;
+ }
+ }
+
+ switch (relation) {
+ case CSSSelector::Descendant:
+ while (true) {
+ Node* n = e->parentNode();
+ if (!n || !n->isElementNode())
+ return SelectorFailsCompletely;
+ e = static_cast<Element*>(n);
+ SelectorMatch match = checkSelector(sel, e, selectorAttrs, dynamicPseudo, false, encounteredLink);
+ if (match != SelectorFailsLocally)
+ return match;
+ }
+ break;
+ case CSSSelector::Child:
+ {
+ Node* n = e->parentNode();
+ if (!n || !n->isElementNode())
+ return SelectorFailsCompletely;
+ e = static_cast<Element*>(n);
+ return checkSelector(sel, e, selectorAttrs, dynamicPseudo, false, encounteredLink);
+ }
+ case CSSSelector::DirectAdjacent:
+ {
+ if (!m_collectRulesOnly && e->parentNode() && e->parentNode()->isElementNode()) {
+ RenderStyle* parentStyle = elementStyle ? elementParentStyle : e->parentNode()->renderStyle();
+ if (parentStyle)
+ parentStyle->setChildrenAffectedByDirectAdjacentRules();
+ }
+ Node* n = e->previousSibling();
+ while (n && !n->isElementNode())
+ n = n->previousSibling();
+ if (!n)
+ return SelectorFailsLocally;
+ e = static_cast<Element*>(n);
+ m_matchVisitedPseudoClass = false;
+ return checkSelector(sel, e, selectorAttrs, dynamicPseudo, false, encounteredLink);
+ }
+ case CSSSelector::IndirectAdjacent:
+ if (!m_collectRulesOnly && e->parentNode() && e->parentNode()->isElementNode()) {
+ RenderStyle* parentStyle = elementStyle ? elementParentStyle : e->parentNode()->renderStyle();
+ if (parentStyle)
+ parentStyle->setChildrenAffectedByForwardPositionalRules();
+ }
+ while (true) {
+ Node* n = e->previousSibling();
+ while (n && !n->isElementNode())
+ n = n->previousSibling();
+ if (!n)
+ return SelectorFailsLocally;
+ e = static_cast<Element*>(n);
+ m_matchVisitedPseudoClass = false;
+ SelectorMatch match = checkSelector(sel, e, selectorAttrs, dynamicPseudo, false, encounteredLink);
+ if (match != SelectorFailsLocally)
+ return match;
+ };
+ break;
+ case CSSSelector::SubSelector:
+ // a selector is invalid if something follows a pseudo-element
+ // We make an exception for scrollbar pseudo elements and allow a set of pseudo classes (but nothing else)
+ // to follow the pseudo elements.
+ if ((elementStyle || m_collectRulesOnly) && dynamicPseudo != NOPSEUDO && dynamicPseudo != SELECTION &&
+ !((RenderScrollbar::scrollbarForStyleResolve() || dynamicPseudo == SCROLLBAR_CORNER || dynamicPseudo == RESIZER) && sel->m_match == CSSSelector::PseudoClass))
+ return SelectorFailsCompletely;
+ return checkSelector(sel, e, selectorAttrs, dynamicPseudo, true, encounteredLink, elementStyle, elementParentStyle);
+ }
+
+ return SelectorFailsCompletely;
+}
+
+static void addLocalNameToSet(HashSet<AtomicStringImpl*>* set, const QualifiedName& qName)
+{
+ set->add(qName.localName().impl());
+}
+
+static HashSet<AtomicStringImpl*>* createHtmlCaseInsensitiveAttributesSet()
+{
+ // This is the list of attributes in HTML 4.01 with values marked as "[CI]" or case-insensitive
+ // Mozilla treats all other values as case-sensitive, thus so do we.
+ HashSet<AtomicStringImpl*>* attrSet = new HashSet<AtomicStringImpl*>;
+
+ addLocalNameToSet(attrSet, accept_charsetAttr);
+ addLocalNameToSet(attrSet, acceptAttr);
+ addLocalNameToSet(attrSet, alignAttr);
+ addLocalNameToSet(attrSet, alinkAttr);
+ addLocalNameToSet(attrSet, axisAttr);
+ addLocalNameToSet(attrSet, bgcolorAttr);
+ addLocalNameToSet(attrSet, charsetAttr);
+ addLocalNameToSet(attrSet, checkedAttr);
+ addLocalNameToSet(attrSet, clearAttr);
+ addLocalNameToSet(attrSet, codetypeAttr);
+ addLocalNameToSet(attrSet, colorAttr);
+ addLocalNameToSet(attrSet, compactAttr);
+ addLocalNameToSet(attrSet, declareAttr);
+ addLocalNameToSet(attrSet, deferAttr);
+ addLocalNameToSet(attrSet, dirAttr);
+ addLocalNameToSet(attrSet, disabledAttr);
+ addLocalNameToSet(attrSet, enctypeAttr);
+ addLocalNameToSet(attrSet, faceAttr);
+ addLocalNameToSet(attrSet, frameAttr);
+ addLocalNameToSet(attrSet, hreflangAttr);
+ addLocalNameToSet(attrSet, http_equivAttr);
+ addLocalNameToSet(attrSet, langAttr);
+ addLocalNameToSet(attrSet, languageAttr);
+ addLocalNameToSet(attrSet, linkAttr);
+ addLocalNameToSet(attrSet, mediaAttr);
+ addLocalNameToSet(attrSet, methodAttr);
+ addLocalNameToSet(attrSet, multipleAttr);
+ addLocalNameToSet(attrSet, nohrefAttr);
+ addLocalNameToSet(attrSet, noresizeAttr);
+ addLocalNameToSet(attrSet, noshadeAttr);
+ addLocalNameToSet(attrSet, nowrapAttr);
+ addLocalNameToSet(attrSet, readonlyAttr);
+ addLocalNameToSet(attrSet, relAttr);
+ addLocalNameToSet(attrSet, revAttr);
+ addLocalNameToSet(attrSet, rulesAttr);
+ addLocalNameToSet(attrSet, scopeAttr);
+ addLocalNameToSet(attrSet, scrollingAttr);
+ addLocalNameToSet(attrSet, selectedAttr);
+ addLocalNameToSet(attrSet, shapeAttr);
+ addLocalNameToSet(attrSet, targetAttr);
+ addLocalNameToSet(attrSet, textAttr);
+ addLocalNameToSet(attrSet, typeAttr);
+ addLocalNameToSet(attrSet, valignAttr);
+ addLocalNameToSet(attrSet, valuetypeAttr);
+ addLocalNameToSet(attrSet, vlinkAttr);
+
+ return attrSet;
+}
+
+static bool htmlAttributeHasCaseInsensitiveValue(const QualifiedName& attr)
+{
+ static HashSet<AtomicStringImpl*>* htmlCaseInsensitiveAttributesSet = createHtmlCaseInsensitiveAttributesSet();
+ bool isPossibleHTMLAttr = !attr.hasPrefix() && (attr.namespaceURI() == nullAtom);
+ return isPossibleHTMLAttr && htmlCaseInsensitiveAttributesSet->contains(attr.localName().impl());
+}
+
+bool CSSStyleSelector::SelectorChecker::checkOneSelector(CSSSelector* sel, Element* e, HashSet<AtomicStringImpl*>* selectorAttrs, PseudoId& dynamicPseudo, bool isSubSelector, RenderStyle* elementStyle, RenderStyle* elementParentStyle) const
+{
+ if (!e)
+ return false;
+
+ if (sel->hasTag()) {
+ const AtomicString& selLocalName = sel->m_tag.localName();
+ if (selLocalName != starAtom && selLocalName != e->localName())
+ return false;
+ const AtomicString& selNS = sel->m_tag.namespaceURI();
+ if (selNS != starAtom && selNS != e->namespaceURI())
+ return false;
+ }
+
+ if (sel->hasAttribute()) {
+ if (sel->m_match == CSSSelector::Class)
+ return e->hasClass() && static_cast<StyledElement*>(e)->classNames().contains(sel->m_value);
+
+ if (sel->m_match == CSSSelector::Id)
+ return e->hasID() && e->idForStyleResolution() == sel->m_value;
+
+ const QualifiedName& attr = sel->attribute();
+
+ // FIXME: Handle the case were elementStyle is 0.
+ if (elementStyle && (!e->isStyledElement() || (!static_cast<StyledElement*>(e)->isMappedAttribute(attr) && attr != typeAttr && attr != readonlyAttr))) {
+ elementStyle->setAffectedByAttributeSelectors(); // Special-case the "type" and "readonly" attributes so input form controls can share style.
+ if (selectorAttrs)
+ selectorAttrs->add(attr.localName().impl());
+ }
+
+ const AtomicString& value = e->getAttribute(attr);
+ if (value.isNull())
+ return false; // attribute is not set
+
+ bool caseSensitive = !m_documentIsHTML || !htmlAttributeHasCaseInsensitiveValue(attr);
+
+ switch (sel->m_match) {
+ case CSSSelector::Exact:
+ if (caseSensitive ? sel->m_value != value : !equalIgnoringCase(sel->m_value, value))
+ return false;
+ break;
+ case CSSSelector::List:
+ {
+ // Ignore empty selectors or selectors containing spaces
+ if (sel->m_value.contains(' ') || sel->m_value.isEmpty())
+ return false;
+
+ int startSearchAt = 0;
+ while (true) {
+ int foundPos = value.find(sel->m_value, startSearchAt, caseSensitive);
+ if (foundPos == -1)
+ return false;
+ if (foundPos == 0 || value[foundPos-1] == ' ') {
+ unsigned endStr = foundPos + sel->m_value.length();
+ if (endStr == value.length() || value[endStr] == ' ')
+ break; // We found a match.
+ }
+
+ // No match. Keep looking.
+ startSearchAt = foundPos + 1;
+ }
+ break;
+ }
+ case CSSSelector::Contain:
+ if (!value.contains(sel->m_value, caseSensitive) || sel->m_value.isEmpty())
+ return false;
+ break;
+ case CSSSelector::Begin:
+ if (!value.startsWith(sel->m_value, caseSensitive) || sel->m_value.isEmpty())
+ return false;
+ break;
+ case CSSSelector::End:
+ if (!value.endsWith(sel->m_value, caseSensitive) || sel->m_value.isEmpty())
+ return false;
+ break;
+ case CSSSelector::Hyphen:
+ if (value.length() < sel->m_value.length())
+ return false;
+ if (!value.startsWith(sel->m_value, caseSensitive))
+ return false;
+ // It they start the same, check for exact match or following '-':
+ if (value.length() != sel->m_value.length() && value[sel->m_value.length()] != '-')
+ return false;
+ break;
+ case CSSSelector::PseudoClass:
+ case CSSSelector::PseudoElement:
+ default:
+ break;
+ }
+ }
+
+ if (sel->m_match == CSSSelector::PseudoClass) {
+ // Handle :not up front.
+ if (sel->pseudoType() == CSSSelector::PseudoNot) {
+ // check the simple selector
+ for (CSSSelector* subSel = sel->simpleSelector(); subSel; subSel = subSel->tagHistory()) {
+ // :not cannot nest. I don't really know why this is a
+ // restriction in CSS3, but it is, so let's honor it.
+ // the parser enforces that this never occurs
+ ASSERT(!subSel->simpleSelector());
+
+ if (!checkOneSelector(subSel, e, selectorAttrs, dynamicPseudo, true, elementStyle, elementParentStyle))
+ return true;
+ }
+ } else if (dynamicPseudo != NOPSEUDO && (RenderScrollbar::scrollbarForStyleResolve() || dynamicPseudo == SCROLLBAR_CORNER || dynamicPseudo == RESIZER)) {
+ // CSS scrollbars match a specific subset of pseudo classes, and they have specialized rules for each
+ // (since there are no elements involved).
+ return checkScrollbarPseudoClass(sel, dynamicPseudo);
+ } else if (dynamicPseudo == SELECTION) {
+ if (sel->pseudoType() == CSSSelector::PseudoWindowInactive)
+ return !m_document->page()->focusController()->isActive();
+ }
+
+ // Normal element pseudo class checking.
+ switch (sel->pseudoType()) {
+ // Pseudo classes:
+ case CSSSelector::PseudoNot:
+ break; // Already handled up above.
+ case CSSSelector::PseudoEmpty: {
+ bool result = true;
+ for (Node* n = e->firstChild(); n; n = n->nextSibling()) {
+ if (n->isElementNode()) {
+ result = false;
+ break;
+ } else if (n->isTextNode()) {
+ Text* textNode = static_cast<Text*>(n);
+ if (!textNode->data().isEmpty()) {
+ result = false;
+ break;
+ }
+ }
+ }
+ if (!m_collectRulesOnly) {
+ if (elementStyle)
+ elementStyle->setEmptyState(result);
+ else if (e->renderStyle() && (e->document()->usesSiblingRules() || e->renderStyle()->unique()))
+ e->renderStyle()->setEmptyState(result);
+ }
+ return result;
+ }
+ case CSSSelector::PseudoFirstChild: {
+ // first-child matches the first child that is an element
+ if (e->parentNode() && e->parentNode()->isElementNode()) {
+ bool result = false;
+ Node* n = e->previousSibling();
+ while (n && !n->isElementNode())
+ n = n->previousSibling();
+ if (!n)
+ result = true;
+ if (!m_collectRulesOnly) {
+ RenderStyle* childStyle = elementStyle ? elementStyle : e->renderStyle();
+ RenderStyle* parentStyle = elementStyle ? elementParentStyle : e->parentNode()->renderStyle();
+ if (parentStyle)
+ parentStyle->setChildrenAffectedByFirstChildRules();
+ if (result && childStyle)
+ childStyle->setFirstChildState();
+ }
+ return result;
+ }
+ break;
+ }
+ case CSSSelector::PseudoFirstOfType: {
+ // first-of-type matches the first element of its type
+ if (e->parentNode() && e->parentNode()->isElementNode()) {
+ bool result = false;
+ const QualifiedName& type = e->tagQName();
+ Node* n = e->previousSibling();
+ while (n) {
+ if (n->isElementNode() && static_cast<Element*>(n)->hasTagName(type))
+ break;
+ n = n->previousSibling();
+ }
+ if (!n)
+ result = true;
+ if (!m_collectRulesOnly) {
+ RenderStyle* parentStyle = elementStyle ? elementParentStyle : e->parentNode()->renderStyle();
+ if (parentStyle)
+ parentStyle->setChildrenAffectedByForwardPositionalRules();
+ }
+ return result;
+ }
+ break;
+ }
+ case CSSSelector::PseudoLastChild: {
+ // last-child matches the last child that is an element
+ if (Element* parentElement = e->parentElement()) {
+ bool result = false;
+ if (parentElement->isFinishedParsingChildren()) {
+ Node* n = e->nextSibling();
+ while (n && !n->isElementNode())
+ n = n->nextSibling();
+ if (!n)
+ result = true;
+ }
+ if (!m_collectRulesOnly) {
+ RenderStyle* childStyle = elementStyle ? elementStyle : e->renderStyle();
+ RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
+ if (parentStyle)
+ parentStyle->setChildrenAffectedByLastChildRules();
+ if (result && childStyle)
+ childStyle->setLastChildState();
+ }
+ return result;
+ }
+ break;
+ }
+ case CSSSelector::PseudoLastOfType: {
+ // last-of-type matches the last element of its type
+ if (Element* parentElement = e->parentElement()) {
+ if (!m_collectRulesOnly) {
+ RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
+ if (parentStyle)
+ parentStyle->setChildrenAffectedByBackwardPositionalRules();
+ }
+ if (!parentElement->isFinishedParsingChildren())
+ return false;
+ bool result = false;
+ const QualifiedName& type = e->tagQName();
+ Node* n = e->nextSibling();
+ while (n) {
+ if (n->isElementNode() && static_cast<Element*>(n)->hasTagName(type))
+ break;
+ n = n->nextSibling();
+ }
+ if (!n)
+ result = true;
+ return result;
+ }
+ break;
+ }
+ case CSSSelector::PseudoOnlyChild: {
+ if (Element* parentElement = e->parentElement()) {
+ bool firstChild = false;
+ bool lastChild = false;
+
+ Node* n = e->previousSibling();
+ while (n && !n->isElementNode())
+ n = n->previousSibling();
+ if (!n)
+ firstChild = true;
+ if (firstChild && parentElement->isFinishedParsingChildren()) {
+ n = e->nextSibling();
+ while (n && !n->isElementNode())
+ n = n->nextSibling();
+ if (!n)
+ lastChild = true;
+ }
+ if (!m_collectRulesOnly) {
+ RenderStyle* childStyle = elementStyle ? elementStyle : e->renderStyle();
+ RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
+ if (parentStyle) {
+ parentStyle->setChildrenAffectedByFirstChildRules();
+ parentStyle->setChildrenAffectedByLastChildRules();
+ }
+ if (firstChild && childStyle)
+ childStyle->setFirstChildState();
+ if (lastChild && childStyle)
+ childStyle->setLastChildState();
+ }
+ return firstChild && lastChild;
+ }
+ break;
+ }
+ case CSSSelector::PseudoOnlyOfType: {
+ // FIXME: This selector is very slow.
+ if (Element* parentElement = e->parentElement()) {
+ if (!m_collectRulesOnly) {
+ RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
+ if (parentStyle) {
+ parentStyle->setChildrenAffectedByForwardPositionalRules();
+ parentStyle->setChildrenAffectedByBackwardPositionalRules();
+ }
+ }
+ if (!parentElement->isFinishedParsingChildren())
+ return false;
+ bool firstChild = false;
+ bool lastChild = false;
+ const QualifiedName& type = e->tagQName();
+ Node* n = e->previousSibling();
+ while (n) {
+ if (n->isElementNode() && static_cast<Element*>(n)->hasTagName(type))
+ break;
+ n = n->previousSibling();
+ }
+ if (!n)
+ firstChild = true;
+ if (firstChild) {
+ n = e->nextSibling();
+ while (n) {
+ if (n->isElementNode() && static_cast<Element*>(n)->hasTagName(type))
+ break;
+ n = n->nextSibling();
+ }
+ if (!n)
+ lastChild = true;
+ }
+ return firstChild && lastChild;
+ }
+ break;
+ }
+ case CSSSelector::PseudoNthChild: {
+ if (!sel->parseNth())
+ break;
+ if (Element* parentElement = e->parentElement()) {
+ int count = 1;
+ Node* n = e->previousSibling();
+ while (n) {
+ if (n->isElementNode()) {
+ RenderStyle* s = n->renderStyle();
+ unsigned index = s ? s->childIndex() : 0;
+ if (index) {
+ count += index;
+ break;
+ }
+ count++;
+ }
+ n = n->previousSibling();
+ }
+
+ if (!m_collectRulesOnly) {
+ RenderStyle* childStyle = elementStyle ? elementStyle : e->renderStyle();
+ RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
+ if (childStyle)
+ childStyle->setChildIndex(count);
+ if (parentStyle)
+ parentStyle->setChildrenAffectedByForwardPositionalRules();
+ }
+
+ if (sel->matchNth(count))
+ return true;
+ }
+ break;
+ }
+ case CSSSelector::PseudoNthOfType: {
+ if (!sel->parseNth())
+ break;
+ if (Element* parentElement = e->parentElement()) {
+ int count = 1;
+ const QualifiedName& type = e->tagQName();
+ Node* n = e->previousSibling();
+ while (n) {
+ if (n->isElementNode() && static_cast<Element*>(n)->hasTagName(type))
+ count++;
+ n = n->previousSibling();
+ }
+
+ if (!m_collectRulesOnly) {
+ RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
+ if (parentStyle)
+ parentStyle->setChildrenAffectedByForwardPositionalRules();
+ }
+
+ if (sel->matchNth(count))
+ return true;
+ }
+ break;
+ }
+ case CSSSelector::PseudoNthLastChild: {
+ if (!sel->parseNth())
+ break;
+ if (Element* parentElement = e->parentElement()) {
+ if (!m_collectRulesOnly) {
+ RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
+ if (parentStyle)
+ parentStyle->setChildrenAffectedByBackwardPositionalRules();
+ }
+ if (!parentElement->isFinishedParsingChildren())
+ return false;
+ int count = 1;
+ Node* n = e->nextSibling();
+ while (n) {
+ if (n->isElementNode())
+ count++;
+ n = n->nextSibling();
+ }
+ if (sel->matchNth(count))
+ return true;
+ }
+ break;
+ }
+ case CSSSelector::PseudoNthLastOfType: {
+ if (!sel->parseNth())
+ break;
+ if (Element* parentElement = e->parentElement()) {
+ if (!m_collectRulesOnly) {
+ RenderStyle* parentStyle = elementStyle ? elementParentStyle : parentElement->renderStyle();
+ if (parentStyle)
+ parentStyle->setChildrenAffectedByBackwardPositionalRules();
+ }
+ if (!parentElement->isFinishedParsingChildren())
+ return false;
+ int count = 1;
+ const QualifiedName& type = e->tagQName();
+ Node* n = e->nextSibling();
+ while (n) {
+ if (n->isElementNode() && static_cast<Element*>(n)->hasTagName(type))
+ count++;
+ n = n->nextSibling();
+ }
+ if (sel->matchNth(count))
+ return true;
+ }
+ break;
+ }
+ case CSSSelector::PseudoTarget:
+ if (e == e->document()->cssTarget())
+ return true;
+ break;
+ case CSSSelector::PseudoAnyLink:
+ if (e && e->isLink())
+ return true;
+ break;
+ case CSSSelector::PseudoAutofill: {
+ if (!e || !e->isFormControlElement())
+ break;
+ if (InputElement* inputElement = toInputElement(e))
+ return inputElement->isAutofilled();
+ break;
+ }
+ case CSSSelector::PseudoLink:
+ if (e && e->isLink())
+ return !m_matchVisitedPseudoClass;
+ break;
+ case CSSSelector::PseudoVisited:
+ if (e && e->isLink())
+ return m_matchVisitedPseudoClass;
+ break;
+ case CSSSelector::PseudoDrag: {
+ if (elementStyle)
+ elementStyle->setAffectedByDragRules(true);
+ else if (e->renderStyle())
+ e->renderStyle()->setAffectedByDragRules(true);
+ if (e->renderer() && e->renderer()->isDragging())
+ return true;
+ break;
+ }
+ case CSSSelector::PseudoFocus:
+ if (e && e->focused() && e->document()->frame()->selection()->isFocusedAndActive())
+ return true;
+ break;
+ case CSSSelector::PseudoHover: {
+ // If we're in quirks mode, then hover should never match anchors with no
+ // href and *:hover should not match anything. This is important for sites like wsj.com.
+ if (m_strictParsing || isSubSelector || (sel->hasTag() && !e->hasTagName(aTag)) || e->isLink()) {
+ if (elementStyle)
+ elementStyle->setAffectedByHoverRules(true);
+ else if (e->renderStyle())
+ e->renderStyle()->setAffectedByHoverRules(true);
+ if (e->hovered())
+ return true;
+ }
+ break;
+ }
+ case CSSSelector::PseudoActive:
+ // If we're in quirks mode, then :active should never match anchors with no
+ // href and *:active should not match anything.
+ if (m_strictParsing || isSubSelector || (sel->hasTag() && !e->hasTagName(aTag)) || e->isLink()) {
+ if (elementStyle)
+ elementStyle->setAffectedByActiveRules(true);
+ else if (e->renderStyle())
+ e->renderStyle()->setAffectedByActiveRules(true);
+ if (e->active())
+ return true;
+ }
+ break;
+ case CSSSelector::PseudoEnabled:
+ if (e && e->isFormControlElement())
+ return e->isEnabledFormControl();
+ break;
+ case CSSSelector::PseudoFullPageMedia:
+ return e && e->document() && e->document()->isMediaDocument();
+ break;
+ case CSSSelector::PseudoDefault:
+ return e && e->isDefaultButtonForForm();
+ case CSSSelector::PseudoDisabled:
+ if (e && e->isFormControlElement())
+ return !e->isEnabledFormControl();
+ break;
+ case CSSSelector::PseudoReadOnly: {
+ if (!e || !e->isFormControlElement())
+ return false;
+ return e->isTextFormControl() && e->isReadOnlyFormControl();
+ }
+ case CSSSelector::PseudoReadWrite: {
+ if (!e || !e->isFormControlElement())
+ return false;
+ return e->isTextFormControl() && !e->isReadOnlyFormControl();
+ }
+ case CSSSelector::PseudoOptional:
+ return e && e->isOptionalFormControl();
+ case CSSSelector::PseudoRequired:
+ return e && e->isRequiredFormControl();
+ case CSSSelector::PseudoValid: {
+ if (!e)
+ return false;
+ e->document()->setContainsValidityStyleRules();
+ return e->willValidate() && e->isValidFormControlElement();
+ } case CSSSelector::PseudoInvalid: {
+ if (!e)
+ return false;
+ e->document()->setContainsValidityStyleRules();
+ return e->willValidate() && !e->isValidFormControlElement();
+ } case CSSSelector::PseudoChecked: {
+ if (!e || !e->isFormControlElement())
+ break;
+ // Even though WinIE allows checked and indeterminate to co-exist, the CSS selector spec says that
+ // you can't be both checked and indeterminate. We will behave like WinIE behind the scenes and just
+ // obey the CSS spec here in the test for matching the pseudo.
+ InputElement* inputElement = toInputElement(e);
+ if (inputElement && inputElement->isChecked() && !inputElement->isIndeterminate())
+ return true;
+ break;
+ }
+ case CSSSelector::PseudoIndeterminate: {
+ if (!e || !e->isFormControlElement())
+ break;
+ InputElement* inputElement = toInputElement(e);
+ if (inputElement && inputElement->isIndeterminate())
+ return true;
+ break;
+ }
+ case CSSSelector::PseudoRoot:
+ if (e == e->document()->documentElement())
+ return true;
+ break;
+ case CSSSelector::PseudoLang: {
+ Node* n = e;
+ AtomicString value;
+ // The language property is inherited, so we iterate over the parents
+ // to find the first language.
+ while (n && value.isNull()) {
+ if (n->isElementNode()) {
+ // Spec: xml:lang takes precedence -- http://www.w3.org/TR/xhtml1/#C_7
+ value = static_cast<Element*>(n)->fastGetAttribute(XMLNames::langAttr);
+ if (value.isNull())
+ value = static_cast<Element*>(n)->fastGetAttribute(langAttr);
+ } else if (n->isDocumentNode())
+ // checking the MIME content-language
+ value = static_cast<Document*>(n)->contentLanguage();
+
+ n = n->parent();
+ }
+ const AtomicString& argument = sel->argument();
+ if (value.isNull() || !value.startsWith(argument, false))
+ break;
+ if (value.length() != argument.length() && value[argument.length()] != '-')
+ break;
+ return true;
+ }
+ case CSSSelector::PseudoUnknown:
+ case CSSSelector::PseudoNotParsed:
+ default:
+ ASSERT_NOT_REACHED();
+ break;
+ }
+ return false;
+ }
+ if (sel->m_match == CSSSelector::PseudoElement) {
+ if (!elementStyle && !m_collectRulesOnly)
+ return false;
+
+ PseudoId pseudoId = CSSSelector::pseudoId(sel->pseudoType());
+ if (pseudoId == FIRST_LETTER) {
+ if (Document* document = e->document())
+ document->setUsesFirstLetterRules(true);
+ }
+ if (pseudoId != NOPSEUDO) {
+ dynamicPseudo = pseudoId;
+ return true;
+ }
+ ASSERT_NOT_REACHED();
+ return false;
+ }
+ // ### add the rest of the checks...
+ return true;
+}
+
+bool CSSStyleSelector::SelectorChecker::checkScrollbarPseudoClass(CSSSelector* sel, PseudoId&) const
+{
+ RenderScrollbar* scrollbar = RenderScrollbar::scrollbarForStyleResolve();
+ ScrollbarPart part = RenderScrollbar::partForStyleResolve();
+
+ // FIXME: This is a temporary hack for resizers and scrollbar corners. Eventually :window-inactive should become a real
+ // pseudo class and just apply to everything.
+ if (sel->pseudoType() == CSSSelector::PseudoWindowInactive)
+ return !m_document->page()->focusController()->isActive();
+
+ if (!scrollbar)
+ return false;
+
+ ASSERT(sel->m_match == CSSSelector::PseudoClass);
+ switch (sel->pseudoType()) {
+ case CSSSelector::PseudoEnabled:
+ return scrollbar->enabled();
+ case CSSSelector::PseudoDisabled:
+ return !scrollbar->enabled();
+ case CSSSelector::PseudoHover: {
+ ScrollbarPart hoveredPart = scrollbar->hoveredPart();
+ if (part == ScrollbarBGPart)
+ return hoveredPart != NoPart;
+ if (part == TrackBGPart)
+ return hoveredPart == BackTrackPart || hoveredPart == ForwardTrackPart || hoveredPart == ThumbPart;
+ return part == hoveredPart;
+ }
+ case CSSSelector::PseudoActive: {
+ ScrollbarPart pressedPart = scrollbar->pressedPart();
+ if (part == ScrollbarBGPart)
+ return pressedPart != NoPart;
+ if (part == TrackBGPart)
+ return pressedPart == BackTrackPart || pressedPart == ForwardTrackPart || pressedPart == ThumbPart;
+ return part == pressedPart;
+ }
+ case CSSSelector::PseudoHorizontal:
+ return scrollbar->orientation() == HorizontalScrollbar;
+ case CSSSelector::PseudoVertical:
+ return scrollbar->orientation() == VerticalScrollbar;
+ case CSSSelector::PseudoDecrement:
+ return part == BackButtonStartPart || part == BackButtonEndPart || part == BackTrackPart;
+ case CSSSelector::PseudoIncrement:
+ return part == ForwardButtonStartPart || part == ForwardButtonEndPart || part == ForwardTrackPart;
+ case CSSSelector::PseudoStart:
+ return part == BackButtonStartPart || part == ForwardButtonStartPart || part == BackTrackPart;
+ case CSSSelector::PseudoEnd:
+ return part == BackButtonEndPart || part == ForwardButtonEndPart || part == ForwardTrackPart;
+ case CSSSelector::PseudoDoubleButton: {
+ ScrollbarButtonsPlacement buttonsPlacement = scrollbar->theme()->buttonsPlacement();
+ if (part == BackButtonStartPart || part == ForwardButtonStartPart || part == BackTrackPart)
+ return buttonsPlacement == ScrollbarButtonsDoubleStart || buttonsPlacement == ScrollbarButtonsDoubleBoth;
+ if (part == BackButtonEndPart || part == ForwardButtonEndPart || part == ForwardTrackPart)
+ return buttonsPlacement == ScrollbarButtonsDoubleEnd || buttonsPlacement == ScrollbarButtonsDoubleBoth;
+ return false;
+ }
+ case CSSSelector::PseudoSingleButton: {
+ ScrollbarButtonsPlacement buttonsPlacement = scrollbar->theme()->buttonsPlacement();
+ if (part == BackButtonStartPart || part == ForwardButtonEndPart || part == BackTrackPart || part == ForwardTrackPart)
+ return buttonsPlacement == ScrollbarButtonsSingle;
+ return false;
+ }
+ case CSSSelector::PseudoNoButton: {
+ ScrollbarButtonsPlacement buttonsPlacement = scrollbar->theme()->buttonsPlacement();
+ if (part == BackTrackPart)
+ return buttonsPlacement == ScrollbarButtonsNone || buttonsPlacement == ScrollbarButtonsDoubleEnd;
+ if (part == ForwardTrackPart)
+ return buttonsPlacement == ScrollbarButtonsNone || buttonsPlacement == ScrollbarButtonsDoubleStart;
+ return false;
+ }
+ case CSSSelector::PseudoCornerPresent:
+ return scrollbar->client()->scrollbarCornerPresent();
+ default:
+ return false;
+ }
+}
+
+void CSSStyleSelector::addVariables(CSSVariablesRule* variables)
+{
+ CSSVariablesDeclaration* decl = variables->variables();
+ if (!decl)
+ return;
+ unsigned size = decl->length();
+ for (unsigned i = 0; i < size; ++i) {
+ String name = decl->item(i);
+ m_variablesMap.set(name, variables);
+ }
+}
+
+CSSValue* CSSStyleSelector::resolveVariableDependentValue(CSSVariableDependentValue*)
+{
+ return 0;
+}
+
+// -----------------------------------------------------------------
+
+CSSRuleSet::CSSRuleSet()
+{
+ m_universalRules = 0;
+ m_pageRules = 0;
+ m_ruleCount = 0;
+ m_pageRuleCount = 0;
+}
+
+CSSRuleSet::~CSSRuleSet()
+{
+ deleteAllValues(m_idRules);
+ deleteAllValues(m_classRules);
+ deleteAllValues(m_tagRules);
+
+ delete m_universalRules;
+ delete m_pageRules;
+}
+
+
+void CSSRuleSet::addToRuleSet(AtomicStringImpl* key, AtomRuleMap& map,
+ CSSStyleRule* rule, CSSSelector* sel)
+{
+ if (!key) return;
+ CSSRuleDataList* rules = map.get(key);
+ if (!rules) {
+ rules = new CSSRuleDataList(m_ruleCount++, rule, sel);
+ map.set(key, rules);
+ } else
+ rules->append(m_ruleCount++, rule, sel);
+}
+
+void CSSRuleSet::addRule(CSSStyleRule* rule, CSSSelector* sel)
+{
+ if (sel->m_match == CSSSelector::Id) {
+ addToRuleSet(sel->m_value.impl(), m_idRules, rule, sel);
+ return;
+ }
+ if (sel->m_match == CSSSelector::Class) {
+ addToRuleSet(sel->m_value.impl(), m_classRules, rule, sel);
+ return;
+ }
+
+ const AtomicString& localName = sel->m_tag.localName();
+ if (localName != starAtom) {
+ addToRuleSet(localName.impl(), m_tagRules, rule, sel);
+ return;
+ }
+
+ // Just put it in the universal rule set.
+ if (!m_universalRules)
+ m_universalRules = new CSSRuleDataList(m_ruleCount++, rule, sel);
+ else
+ m_universalRules->append(m_ruleCount++, rule, sel);
+}
+
+void CSSRuleSet::addPageRule(CSSStyleRule* rule, CSSSelector* sel)
+{
+ if (!m_pageRules)
+ m_pageRules = new CSSRuleDataList(m_pageRuleCount++, rule, sel);
+ else
+ m_pageRules->append(m_pageRuleCount++, rule, sel);
+}
+
+void CSSRuleSet::addRulesFromSheet(CSSStyleSheet* sheet, const MediaQueryEvaluator& medium, CSSStyleSelector* styleSelector)
+{
+ if (!sheet)
+ return;
+
+ // No media implies "all", but if a media list exists it must
+ // contain our current medium
+ if (sheet->media() && !medium.eval(sheet->media(), styleSelector))
+ return; // the style sheet doesn't apply
+
+ int len = sheet->length();
+
+ for (int i = 0; i < len; i++) {
+ StyleBase* item = sheet->item(i);
+ if (item->isStyleRule()) {
+ addStyleRule(item);
+ }
+ else if (item->isImportRule()) {
+ CSSImportRule* import = static_cast<CSSImportRule*>(item);
+ if (!import->media() || medium.eval(import->media(), styleSelector))
+ addRulesFromSheet(import->styleSheet(), medium, styleSelector);
+ }
+ else if (item->isMediaRule()) {
+ CSSMediaRule* r = static_cast<CSSMediaRule*>(item);
+ CSSRuleList* rules = r->cssRules();
+
+ if ((!r->media() || medium.eval(r->media(), styleSelector)) && rules) {
+ // Traverse child elements of the @media rule.
+ for (unsigned j = 0; j < rules->length(); j++) {
+ CSSRule *childItem = rules->item(j);
+ if (childItem->isStyleRule()) {
+ // It is a StyleRule, so append it to our list
+ addStyleRule(childItem);
+ } else if (childItem->isFontFaceRule() && styleSelector) {
+ // Add this font face to our set.
+ const CSSFontFaceRule* fontFaceRule = static_cast<CSSFontFaceRule*>(childItem);
+ styleSelector->fontSelector()->addFontFaceRule(fontFaceRule);
+ } else if (childItem->isKeyframesRule() && styleSelector) {
+ // Add this keyframe rule to our set.
+ styleSelector->addKeyframeStyle(static_cast<WebKitCSSKeyframesRule*>(childItem));
+ }
+ } // for rules
+ } // if rules
+ } else if (item->isFontFaceRule() && styleSelector) {
+ // Add this font face to our set.
+ const CSSFontFaceRule* fontFaceRule = static_cast<CSSFontFaceRule*>(item);
+ styleSelector->fontSelector()->addFontFaceRule(fontFaceRule);
+ } else if (item->isVariablesRule()) {
+ // Evaluate the media query and make sure it matches.
+ CSSVariablesRule* variables = static_cast<CSSVariablesRule*>(item);
+ if (!variables->media() || medium.eval(variables->media(), styleSelector))
+ styleSelector->addVariables(variables);
+ } else if (item->isKeyframesRule())
+ styleSelector->addKeyframeStyle(static_cast<WebKitCSSKeyframesRule*>(item));
+ }
+}
+
+void CSSRuleSet::addStyleRule(StyleBase* item)
+{
+ if (item->isPageRule()) {
+ CSSPageRule* pageRule = static_cast<CSSPageRule*>(item);
+ addPageRule(pageRule, pageRule->selectorList().first());
+ } else {
+ CSSStyleRule* rule = static_cast<CSSStyleRule*>(item);
+ for (CSSSelector* s = rule->selectorList().first(); s; s = CSSSelectorList::next(s))
+ addRule(rule, s);
+ }
+}
+
+// -------------------------------------------------------------------------------------
+// this is mostly boring stuff on how to apply a certain rule to the renderstyle...
+
+static Length convertToLength(CSSPrimitiveValue* primitiveValue, RenderStyle* style, RenderStyle* rootStyle, double multiplier = 1, bool *ok = 0)
+{
+ // This function is tolerant of a null style value. The only place style is used is in
+ // length measurements, like 'ems' and 'px'. And in those cases style is only used
+ // when the units are EMS or EXS. So we will just fail in those cases.
+ Length l;
+ if (!primitiveValue) {
+ if (ok)
+ *ok = false;
+ } else {
+ int type = primitiveValue->primitiveType();
+
+ if (!style && (type == CSSPrimitiveValue::CSS_EMS || type == CSSPrimitiveValue::CSS_EXS || type == CSSPrimitiveValue::CSS_REMS)) {
+ if (ok)
+ *ok = false;
+ } else if (CSSPrimitiveValue::isUnitTypeLength(type))
+ l = Length(primitiveValue->computeLengthIntForLength(style, rootStyle, multiplier), Fixed);
+ else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
+ l = Length(primitiveValue->getDoubleValue(), Percent);
+ else if (type == CSSPrimitiveValue::CSS_NUMBER)
+ l = Length(primitiveValue->getDoubleValue() * 100.0, Percent);
+ else if (ok)
+ *ok = false;
+ }
+ return l;
+}
+
+template <bool applyFirst>
+void CSSStyleSelector::applyDeclarations(bool isImportant, int startIndex, int endIndex)
+{
+ if (startIndex == -1)
+ return;
+
+ for (int i = startIndex; i <= endIndex; i++) {
+ CSSMutableStyleDeclaration* decl = m_matchedDecls[i];
+ CSSMutableStyleDeclaration::const_iterator end = decl->end();
+ for (CSSMutableStyleDeclaration::const_iterator it = decl->begin(); it != end; ++it) {
+ const CSSProperty& current = *it;
+ if (isImportant == current.isImportant()) {
+ int property = current.id();
+
+ if (applyFirst) {
+ COMPILE_ASSERT(firstCSSProperty == CSSPropertyColor, CSS_color_is_first_property);
+ COMPILE_ASSERT(CSSPropertyZoom == CSSPropertyColor + 11, CSS_zoom_is_end_of_first_prop_range);
+ COMPILE_ASSERT(CSSPropertyLineHeight == CSSPropertyZoom + 1, CSS_line_height_is_after_zoom);
+
+ // give special priority to font-xxx, color properties, etc
+ if (property <= CSSPropertyLineHeight) {
+ // we apply line-height later
+ if (property == CSSPropertyLineHeight)
+ m_lineHeightValue = current.value();
+ else
+ applyProperty(current.id(), current.value());
+ }
+ } else {
+ if (property > CSSPropertyLineHeight)
+ applyProperty(current.id(), current.value());
+ }
+ }
+ }
+ }
+}
+
+void CSSStyleSelector::matchPageRules(CSSRuleSet* rules, bool isLeftPage, bool isFirstPage, const String& pageName)
+{
+ m_matchedRules.clear();
+
+ if (!rules)
+ return;
+
+ matchPageRulesForList(rules->getPageRules(), isLeftPage, isFirstPage, pageName);
+
+ // If we didn't match any rules, we're done.
+ if (m_matchedRules.isEmpty())
+ return;
+
+ // Sort the set of matched rules.
+ sortMatchedRules(0, m_matchedRules.size());
+
+ // Now transfer the set of matched rules over to our list of decls.
+ for (unsigned i = 0; i < m_matchedRules.size(); i++)
+ addMatchedDeclaration(m_matchedRules[i]->rule()->declaration());
+}
+
+void CSSStyleSelector::matchPageRulesForList(CSSRuleDataList* rules, bool isLeftPage, bool isFirstPage, const String& pageName)
+{
+ if (!rules)
+ return;
+
+ for (CSSRuleData* d = rules->first(); d; d = d->next()) {
+ CSSStyleRule* rule = d->rule();
+ const AtomicString& selectorLocalName = d->selector()->m_tag.localName();
+ if (selectorLocalName != starAtom && selectorLocalName != pageName)
+ continue;
+ CSSSelector::PseudoType pseudoType = d->selector()->pseudoType();
+ if ((pseudoType == CSSSelector::PseudoLeftPage && !isLeftPage)
+ || (pseudoType == CSSSelector::PseudoRightPage && isLeftPage)
+ || (pseudoType == CSSSelector::PseudoFirstPage && !isFirstPage))
+ continue;
+
+ // If the rule has no properties to apply, then ignore it.
+ CSSMutableStyleDeclaration* decl = rule->declaration();
+ if (!decl || !decl->length())
+ continue;
+
+ // Add this rule to our list of matched rules.
+ addMatchedRule(d);
+ }
+}
+
+bool CSSStyleSelector::isLeftPage(int pageIndex) const
+{
+ bool isFirstPageLeft = false;
+ if (m_rootElementStyle->direction() == RTL)
+ isFirstPageLeft = true;
+
+ return (pageIndex + (isFirstPageLeft ? 1 : 0)) % 2;
+}
+
+bool CSSStyleSelector::isFirstPage(int pageIndex) const
+{
+ // FIXME: In case of forced left/right page, page at index 1 (not 0) can be the first page.
+ return (!pageIndex);
+}
+
+String CSSStyleSelector::pageName(int /* pageIndex */) const
+{
+ // FIXME: Implement page index to page name mapping.
+ return "";
+}
+
+static void applyCounterList(RenderStyle* style, CSSValueList* list, bool isReset)
+{
+ CounterDirectiveMap& map = style->accessCounterDirectives();
+ typedef CounterDirectiveMap::iterator Iterator;
+
+ Iterator end = map.end();
+ for (Iterator it = map.begin(); it != end; ++it)
+ if (isReset)
+ it->second.m_reset = false;
+ else
+ it->second.m_increment = false;
+
+ int length = list ? list->length() : 0;
+ for (int i = 0; i < length; ++i) {
+ Pair* pair = static_cast<CSSPrimitiveValue*>(list->itemWithoutBoundsCheck(i))->getPairValue();
+ AtomicString identifier = static_cast<CSSPrimitiveValue*>(pair->first())->getStringValue();
+ // FIXME: What about overflow?
+ int value = static_cast<CSSPrimitiveValue*>(pair->second())->getIntValue();
+ CounterDirectives& directives = map.add(identifier.impl(), CounterDirectives()).first->second;
+ if (isReset) {
+ directives.m_reset = true;
+ directives.m_resetValue = value;
+ } else {
+ if (directives.m_increment)
+ directives.m_incrementValue += value;
+ else {
+ directives.m_increment = true;
+ directives.m_incrementValue = value;
+ }
+ }
+ }
+}
+
+void CSSStyleSelector::applyPropertyToStyle(int id, CSSValue *value, RenderStyle* style)
+{
+ initElement(0);
+ initForStyleResolve(0, style);
+ m_style = style;
+ applyProperty(id, value);
+}
+
+inline bool isValidVisitedLinkProperty(int id)
+{
+ switch(static_cast<CSSPropertyID>(id)) {
+ case CSSPropertyBackgroundColor:
+ case CSSPropertyBorderLeftColor:
+ case CSSPropertyBorderRightColor:
+ case CSSPropertyBorderTopColor:
+ case CSSPropertyBorderBottomColor:
+ case CSSPropertyColor:
+ case CSSPropertyOutlineColor:
+ case CSSPropertyWebkitColumnRuleColor:
+ case CSSPropertyWebkitTextFillColor:
+ case CSSPropertyWebkitTextStrokeColor:
+ // Also allow shorthands so that inherit/initial still work.
+ case CSSPropertyBackground:
+ case CSSPropertyBorderLeft:
+ case CSSPropertyBorderRight:
+ case CSSPropertyBorderTop:
+ case CSSPropertyBorderBottom:
+ case CSSPropertyOutline:
+ case CSSPropertyWebkitColumnRule:
+#if ENABLE(SVG)
+ case CSSPropertyFill:
+ case CSSPropertyStroke:
+#endif
+ return true;
+ default:
+ break;
+ }
+
+ return false;
+}
+
+void CSSStyleSelector::applyProperty(int id, CSSValue *value)
+{
+ CSSPrimitiveValue* primitiveValue = 0;
+ if (value->isPrimitiveValue())
+ primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+
+ float zoomFactor = m_style->effectiveZoom();
+
+ // SVG handles zooming in a different way compared to CSS. The whole document is scaled instead
+ // of each individual length value in the render style / tree. CSSPrimitiveValue::computeLength*()
+ // multiplies each resolved length with the zoom multiplier - so for SVG we need to disable that.
+ // Though all CSS values that can be applied to outermost <svg> elements (width/height/border/padding...)
+ // need to respect the scaling. RenderBox (the parent class of RenderSVGRoot) grabs values like
+ // width/height/border/padding/... from the RenderStyle -> for SVG these values would never scale,
+ // if we'd pass a 1.0 zoom factor everyhwere. So we only pass a zoom factor of 1.0 for specific
+ // properties that are NOT allowed to scale within a zoomed SVG document (letter/word-spacing/font-size).
+ bool useSVGZoomRules = m_element && m_element->isSVGElement();
+
+ Length l;
+ bool apply = false;
+
+ unsigned short valueType = value->cssValueType();
+
+ bool isInherit = m_parentNode && valueType == CSSValue::CSS_INHERIT;
+ bool isInitial = valueType == CSSValue::CSS_INITIAL || (!m_parentNode && valueType == CSSValue::CSS_INHERIT);
+
+ id = CSSProperty::resolveDirectionAwareProperty(id, m_style->direction());
+
+ if (m_checker.m_matchVisitedPseudoClass && !isValidVisitedLinkProperty(id)) {
+ // Limit the properties that can be applied to only the ones honored by :visited.
+ return;
+ }
+
+ // What follows is a list that maps the CSS properties into their corresponding front-end
+ // RenderStyle values. Shorthands (e.g. border, background) occur in this list as well and
+ // are only hit when mapping "inherit" or "initial" into front-end values.
+ switch (static_cast<CSSPropertyID>(id)) {
+// ident only properties
+ case CSSPropertyBackgroundAttachment:
+ HANDLE_BACKGROUND_VALUE(attachment, Attachment, value)
+ return;
+ case CSSPropertyBackgroundClip:
+ case CSSPropertyWebkitBackgroundClip:
+ HANDLE_BACKGROUND_VALUE(clip, Clip, value)
+ return;
+ case CSSPropertyWebkitBackgroundComposite:
+ HANDLE_BACKGROUND_VALUE(composite, Composite, value)
+ return;
+ case CSSPropertyBackgroundOrigin:
+ case CSSPropertyWebkitBackgroundOrigin:
+ HANDLE_BACKGROUND_VALUE(origin, Origin, value)
+ return;
+ case CSSPropertyBackgroundSize:
+ case CSSPropertyWebkitBackgroundSize:
+ HANDLE_BACKGROUND_VALUE(size, Size, value)
+ return;
+ case CSSPropertyWebkitMaskAttachment:
+ HANDLE_MASK_VALUE(attachment, Attachment, value)
+ return;
+ case CSSPropertyWebkitMaskClip:
+ HANDLE_MASK_VALUE(clip, Clip, value)
+ return;
+ case CSSPropertyWebkitMaskComposite:
+ HANDLE_MASK_VALUE(composite, Composite, value)
+ return;
+ case CSSPropertyWebkitMaskOrigin:
+ HANDLE_MASK_VALUE(origin, Origin, value)
+ return;
+ case CSSPropertyWebkitMaskSize:
+ HANDLE_MASK_VALUE(size, Size, value)
+ return;
+ case CSSPropertyBorderCollapse:
+ HANDLE_INHERIT_AND_INITIAL(borderCollapse, BorderCollapse)
+ if (!primitiveValue)
+ return;
+ switch (primitiveValue->getIdent()) {
+ case CSSValueCollapse:
+ m_style->setBorderCollapse(true);
+ break;
+ case CSSValueSeparate:
+ m_style->setBorderCollapse(false);
+ break;
+ default:
+ return;
+ }
+ return;
+ case CSSPropertyBorderTopStyle:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE_WITH_VALUE(borderTopStyle, BorderTopStyle, BorderStyle)
+ return;
+ case CSSPropertyBorderRightStyle:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE_WITH_VALUE(borderRightStyle, BorderRightStyle, BorderStyle)
+ return;
+ case CSSPropertyBorderBottomStyle:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE_WITH_VALUE(borderBottomStyle, BorderBottomStyle, BorderStyle)
+ return;
+ case CSSPropertyBorderLeftStyle:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE_WITH_VALUE(borderLeftStyle, BorderLeftStyle, BorderStyle)
+ return;
+ case CSSPropertyOutlineStyle:
+ HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(outlineStyle, OutlineStyle, BorderStyle)
+ if (primitiveValue) {
+ if (primitiveValue->getIdent() == CSSValueAuto)
+ m_style->setOutlineStyle(DOTTED, true);
+ else
+ m_style->setOutlineStyle(*primitiveValue);
+ }
+ return;
+ case CSSPropertyCaptionSide:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(captionSide, CaptionSide)
+ return;
+ case CSSPropertyClear:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(clear, Clear)
+ return;
+ case CSSPropertyDirection:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(direction, Direction)
+ return;
+ case CSSPropertyDisplay:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(display, Display)
+#if ENABLE(WCSS)
+ if (primitiveValue) {
+ if (primitiveValue->getIdent() == CSSValueWapMarquee) {
+ // Initialize WAP Marquee style
+ m_style->setOverflowX(OMARQUEE);
+ m_style->setOverflowY(OMARQUEE);
+ m_style->setWhiteSpace(NOWRAP);
+ m_style->setMarqueeDirection(MLEFT);
+ m_style->setMarqueeSpeed(85); // Normal speed
+ m_style->setMarqueeLoopCount(1);
+ m_style->setMarqueeBehavior(MSCROLL);
+
+ if (m_parentStyle)
+ m_style->setDisplay(m_parentStyle->display());
+ else
+ m_style->setDisplay(*primitiveValue);
+ } else
+ m_style->setDisplay(*primitiveValue);
+ }
+#endif
+ return;
+ case CSSPropertyEmptyCells:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(emptyCells, EmptyCells)
+ return;
+ case CSSPropertyFloat:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(floating, Floating)
+ return;
+ case CSSPropertyFontStyle:
+ {
+ FontDescription fontDescription = m_style->fontDescription();
+ if (isInherit)
+ fontDescription.setItalic(m_parentStyle->fontDescription().italic());
+ else if (isInitial)
+ fontDescription.setItalic(false);
+ else {
+ if (!primitiveValue)
+ return;
+ switch (primitiveValue->getIdent()) {
+ case CSSValueOblique:
+ // FIXME: oblique is the same as italic for the moment...
+ case CSSValueItalic:
+ fontDescription.setItalic(true);
+ break;
+ case CSSValueNormal:
+ fontDescription.setItalic(false);
+ break;
+ default:
+ return;
+ }
+ }
+ if (m_style->setFontDescription(fontDescription))
+ m_fontDirty = true;
+ return;
+ }
+
+ case CSSPropertyFontVariant:
+ {
+ FontDescription fontDescription = m_style->fontDescription();
+ if (isInherit)
+ fontDescription.setSmallCaps(m_parentStyle->fontDescription().smallCaps());
+ else if (isInitial)
+ fontDescription.setSmallCaps(false);
+ else {
+ if (!primitiveValue)
+ return;
+ int id = primitiveValue->getIdent();
+ if (id == CSSValueNormal)
+ fontDescription.setSmallCaps(false);
+ else if (id == CSSValueSmallCaps)
+ fontDescription.setSmallCaps(true);
+ else
+ return;
+ }
+ if (m_style->setFontDescription(fontDescription))
+ m_fontDirty = true;
+ return;
+ }
+
+ case CSSPropertyFontWeight:
+ {
+ FontDescription fontDescription = m_style->fontDescription();
+ if (isInherit)
+ fontDescription.setWeight(m_parentStyle->fontDescription().weight());
+ else if (isInitial)
+ fontDescription.setWeight(FontWeightNormal);
+ else {
+ if (!primitiveValue)
+ return;
+ if (primitiveValue->getIdent()) {
+ switch (primitiveValue->getIdent()) {
+ case CSSValueBolder:
+ fontDescription.setWeight(fontDescription.bolderWeight());
+ break;
+ case CSSValueLighter:
+ fontDescription.setWeight(fontDescription.lighterWeight());
+ break;
+ case CSSValueBold:
+ case CSSValue700:
+ fontDescription.setWeight(FontWeightBold);
+ break;
+ case CSSValueNormal:
+ case CSSValue400:
+ fontDescription.setWeight(FontWeightNormal);
+ break;
+ case CSSValue900:
+ fontDescription.setWeight(FontWeight900);
+ break;
+ case CSSValue800:
+ fontDescription.setWeight(FontWeight800);
+ break;
+ case CSSValue600:
+ fontDescription.setWeight(FontWeight600);
+ break;
+ case CSSValue500:
+ fontDescription.setWeight(FontWeight500);
+ break;
+ case CSSValue300:
+ fontDescription.setWeight(FontWeight300);
+ break;
+ case CSSValue200:
+ fontDescription.setWeight(FontWeight200);
+ break;
+ case CSSValue100:
+ fontDescription.setWeight(FontWeight100);
+ break;
+ default:
+ return;
+ }
+ } else
+ ASSERT_NOT_REACHED();
+ }
+ if (m_style->setFontDescription(fontDescription))
+ m_fontDirty = true;
+ return;
+ }
+
+ case CSSPropertyListStylePosition:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(listStylePosition, ListStylePosition)
+ return;
+ case CSSPropertyListStyleType:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(listStyleType, ListStyleType)
+ return;
+ case CSSPropertyOverflow:
+ {
+ if (isInherit) {
+ m_style->setOverflowX(m_parentStyle->overflowX());
+ m_style->setOverflowY(m_parentStyle->overflowY());
+ return;
+ }
+
+ if (isInitial) {
+ m_style->setOverflowX(RenderStyle::initialOverflowX());
+ m_style->setOverflowY(RenderStyle::initialOverflowY());
+ return;
+ }
+
+ EOverflow o = *primitiveValue;
+
+ m_style->setOverflowX(o);
+ m_style->setOverflowY(o);
+ return;
+ }
+
+ case CSSPropertyOverflowX:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(overflowX, OverflowX)
+ return;
+ case CSSPropertyOverflowY:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(overflowY, OverflowY)
+ return;
+ case CSSPropertyPageBreakBefore:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE_WITH_VALUE(pageBreakBefore, PageBreakBefore, PageBreak)
+ return;
+ case CSSPropertyPageBreakAfter:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE_WITH_VALUE(pageBreakAfter, PageBreakAfter, PageBreak)
+ return;
+ case CSSPropertyPageBreakInside: {
+ HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(pageBreakInside, PageBreakInside, PageBreak)
+ if (!primitiveValue)
+ return;
+ EPageBreak pageBreak = *primitiveValue;
+ if (pageBreak != PBALWAYS)
+ m_style->setPageBreakInside(pageBreak);
+ return;
+ }
+
+ case CSSPropertyPosition:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(position, Position)
+ return;
+ case CSSPropertyTableLayout: {
+ HANDLE_INHERIT_AND_INITIAL(tableLayout, TableLayout)
+
+ ETableLayout l = *primitiveValue;
+ if (l == TAUTO)
+ l = RenderStyle::initialTableLayout();
+
+ m_style->setTableLayout(l);
+ return;
+ }
+
+ case CSSPropertyUnicodeBidi:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(unicodeBidi, UnicodeBidi)
+ return;
+ case CSSPropertyTextTransform:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(textTransform, TextTransform)
+ return;
+ case CSSPropertyVisibility:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(visibility, Visibility)
+ return;
+ case CSSPropertyWhiteSpace:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(whiteSpace, WhiteSpace)
+ return;
+
+ case CSSPropertyBackgroundPosition:
+ HANDLE_BACKGROUND_INHERIT_AND_INITIAL(xPosition, XPosition);
+ HANDLE_BACKGROUND_INHERIT_AND_INITIAL(yPosition, YPosition);
+ return;
+ case CSSPropertyBackgroundPositionX: {
+ HANDLE_BACKGROUND_VALUE(xPosition, XPosition, value)
+ return;
+ }
+ case CSSPropertyBackgroundPositionY: {
+ HANDLE_BACKGROUND_VALUE(yPosition, YPosition, value)
+ return;
+ }
+ case CSSPropertyWebkitMaskPosition:
+ HANDLE_MASK_INHERIT_AND_INITIAL(xPosition, XPosition);
+ HANDLE_MASK_INHERIT_AND_INITIAL(yPosition, YPosition);
+ return;
+ case CSSPropertyWebkitMaskPositionX: {
+ HANDLE_MASK_VALUE(xPosition, XPosition, value)
+ return;
+ }
+ case CSSPropertyWebkitMaskPositionY: {
+ HANDLE_MASK_VALUE(yPosition, YPosition, value)
+ return;
+ }
+ case CSSPropertyBackgroundRepeat:
+ HANDLE_BACKGROUND_INHERIT_AND_INITIAL(repeatX, RepeatX);
+ HANDLE_BACKGROUND_INHERIT_AND_INITIAL(repeatY, RepeatY);
+ return;
+ case CSSPropertyBackgroundRepeatX:
+ HANDLE_BACKGROUND_VALUE(repeatX, RepeatX, value)
+ return;
+ case CSSPropertyBackgroundRepeatY:
+ HANDLE_BACKGROUND_VALUE(repeatY, RepeatY, value)
+ return;
+ case CSSPropertyWebkitMaskRepeat:
+ HANDLE_MASK_INHERIT_AND_INITIAL(repeatX, RepeatX);
+ HANDLE_MASK_INHERIT_AND_INITIAL(repeatY, RepeatY);
+ return;
+ case CSSPropertyWebkitMaskRepeatX:
+ HANDLE_MASK_VALUE(repeatX, RepeatX, value)
+ return;
+ case CSSPropertyWebkitMaskRepeatY:
+ HANDLE_MASK_VALUE(repeatY, RepeatY, value)
+ return;
+ case CSSPropertyBorderSpacing: {
+ if (isInherit) {
+ m_style->setHorizontalBorderSpacing(m_parentStyle->horizontalBorderSpacing());
+ m_style->setVerticalBorderSpacing(m_parentStyle->verticalBorderSpacing());
+ }
+ else if (isInitial) {
+ m_style->setHorizontalBorderSpacing(0);
+ m_style->setVerticalBorderSpacing(0);
+ }
+ return;
+ }
+ case CSSPropertyWebkitBorderHorizontalSpacing: {
+ HANDLE_INHERIT_AND_INITIAL(horizontalBorderSpacing, HorizontalBorderSpacing)
+ if (!primitiveValue)
+ return;
+ short spacing = primitiveValue->computeLengthShort(style(), m_rootElementStyle, zoomFactor);
+ m_style->setHorizontalBorderSpacing(spacing);
+ return;
+ }
+ case CSSPropertyWebkitBorderVerticalSpacing: {
+ HANDLE_INHERIT_AND_INITIAL(verticalBorderSpacing, VerticalBorderSpacing)
+ if (!primitiveValue)
+ return;
+ short spacing = primitiveValue->computeLengthShort(style(), m_rootElementStyle, zoomFactor);
+ m_style->setVerticalBorderSpacing(spacing);
+ return;
+ }
+ case CSSPropertyCursor:
+ if (isInherit) {
+ m_style->setCursor(m_parentStyle->cursor());
+ m_style->setCursorList(m_parentStyle->cursors());
+ return;
+ }
+ m_style->clearCursorList();
+ if (isInitial) {
+ m_style->setCursor(RenderStyle::initialCursor());
+ return;
+ }
+ if (value->isValueList()) {
+ CSSValueList* list = static_cast<CSSValueList*>(value);
+ int len = list->length();
+ m_style->setCursor(CURSOR_AUTO);
+ for (int i = 0; i < len; i++) {
+ CSSValue* item = list->itemWithoutBoundsCheck(i);
+ if (!item->isPrimitiveValue())
+ continue;
+ primitiveValue = static_cast<CSSPrimitiveValue*>(item);
+ int type = primitiveValue->primitiveType();
+ if (type == CSSPrimitiveValue::CSS_URI) {
+ CSSCursorImageValue* image = static_cast<CSSCursorImageValue*>(primitiveValue);
+ if (image->updateIfSVGCursorIsUsed(m_element)) // Elements with SVG cursors are not allowed to share style.
+ m_style->setUnique();
+ // FIXME: Temporary clumsiness to pass off a CachedImage to an API that will eventually convert to using
+ // StyleImage.
+ RefPtr<StyleCachedImage> styleCachedImage(image->cachedImage(m_element->document()->docLoader()));
+ if (styleCachedImage)
+ m_style->addCursor(styleCachedImage->cachedImage(), image->hotSpot());
+ } else if (type == CSSPrimitiveValue::CSS_IDENT)
+ m_style->setCursor(*primitiveValue);
+ }
+ } else if (primitiveValue) {
+ int type = primitiveValue->primitiveType();
+ if (type == CSSPrimitiveValue::CSS_IDENT && m_style->cursor() != ECursor(*primitiveValue))
+ m_style->setCursor(*primitiveValue);
+ }
+ return;
+// colors || inherit
+ case CSSPropertyColor:
+ // If the 'currentColor' keyword is set on the 'color' property itself,
+ // it is treated as 'color:inherit' at parse time
+ if (primitiveValue && primitiveValue->getIdent() == CSSValueCurrentcolor)
+ isInherit = true;
+ case CSSPropertyBackgroundColor:
+ case CSSPropertyBorderTopColor:
+ case CSSPropertyBorderRightColor:
+ case CSSPropertyBorderBottomColor:
+ case CSSPropertyBorderLeftColor:
+ case CSSPropertyOutlineColor:
+ case CSSPropertyWebkitColumnRuleColor:
+ case CSSPropertyWebkitTextStrokeColor:
+ case CSSPropertyWebkitTextFillColor: {
+ Color col;
+ if (isInherit) {
+ HANDLE_INHERIT_COND(CSSPropertyBackgroundColor, backgroundColor, BackgroundColor)
+ HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyBorderTopColor, borderTopColor, color, BorderTopColor)
+ HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyBorderBottomColor, borderBottomColor, color, BorderBottomColor)
+ HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyBorderRightColor, borderRightColor, color, BorderRightColor)
+ HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyBorderLeftColor, borderLeftColor, color, BorderLeftColor)
+ HANDLE_INHERIT_COND(CSSPropertyColor, color, Color)
+ HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyOutlineColor, outlineColor, color, OutlineColor)
+ HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyWebkitColumnRuleColor, columnRuleColor, color, ColumnRuleColor)
+ HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyWebkitTextStrokeColor, textStrokeColor, color, TextStrokeColor)
+ HANDLE_INHERIT_COND_WITH_BACKUP(CSSPropertyWebkitTextFillColor, textFillColor, color, TextFillColor)
+ return;
+ }
+ if (isInitial) {
+ // The border/outline colors will just map to the invalid color |col| above. This will have the
+ // effect of forcing the use of the currentColor when it comes time to draw the borders (and of
+ // not painting the background since the color won't be valid).
+ if (id == CSSPropertyColor)
+ col = RenderStyle::initialColor();
+ } else {
+ if (!primitiveValue)
+ return;
+ col = getColorFromPrimitiveValue(primitiveValue);
+ }
+
+ switch (id) {
+ case CSSPropertyBackgroundColor:
+ m_style->setBackgroundColor(col);
+ break;
+ case CSSPropertyBorderTopColor:
+ m_style->setBorderTopColor(col);
+ break;
+ case CSSPropertyBorderRightColor:
+ m_style->setBorderRightColor(col);
+ break;
+ case CSSPropertyBorderBottomColor:
+ m_style->setBorderBottomColor(col);
+ break;
+ case CSSPropertyBorderLeftColor:
+ m_style->setBorderLeftColor(col);
+ break;
+ case CSSPropertyColor:
+ m_style->setColor(col);
+ break;
+ case CSSPropertyOutlineColor:
+ m_style->setOutlineColor(col);
+ break;
+ case CSSPropertyWebkitColumnRuleColor:
+ m_style->setColumnRuleColor(col);
+ break;
+ case CSSPropertyWebkitTextStrokeColor:
+ m_style->setTextStrokeColor(col);
+ break;
+ case CSSPropertyWebkitTextFillColor:
+ m_style->setTextFillColor(col);
+ break;
+ }
+
+ return;
+ }
+
+// uri || inherit
+ case CSSPropertyBackgroundImage:
+ HANDLE_BACKGROUND_VALUE(image, Image, value)
+ return;
+ case CSSPropertyWebkitMaskImage:
+ HANDLE_MASK_VALUE(image, Image, value)
+ return;
+ case CSSPropertyListStyleImage:
+ {
+ HANDLE_INHERIT_AND_INITIAL(listStyleImage, ListStyleImage)
+ m_style->setListStyleImage(styleImage(value));
+ return;
+ }
+
+// length
+ case CSSPropertyBorderTopWidth:
+ case CSSPropertyBorderRightWidth:
+ case CSSPropertyBorderBottomWidth:
+ case CSSPropertyBorderLeftWidth:
+ case CSSPropertyOutlineWidth:
+ case CSSPropertyWebkitColumnRuleWidth:
+ {
+ if (isInherit) {
+ HANDLE_INHERIT_COND(CSSPropertyBorderTopWidth, borderTopWidth, BorderTopWidth)
+ HANDLE_INHERIT_COND(CSSPropertyBorderRightWidth, borderRightWidth, BorderRightWidth)
+ HANDLE_INHERIT_COND(CSSPropertyBorderBottomWidth, borderBottomWidth, BorderBottomWidth)
+ HANDLE_INHERIT_COND(CSSPropertyBorderLeftWidth, borderLeftWidth, BorderLeftWidth)
+ HANDLE_INHERIT_COND(CSSPropertyOutlineWidth, outlineWidth, OutlineWidth)
+ HANDLE_INHERIT_COND(CSSPropertyWebkitColumnRuleWidth, columnRuleWidth, ColumnRuleWidth)
+ return;
+ }
+ else if (isInitial) {
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyBorderTopWidth, BorderTopWidth, BorderWidth)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyBorderRightWidth, BorderRightWidth, BorderWidth)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyBorderBottomWidth, BorderBottomWidth, BorderWidth)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyBorderLeftWidth, BorderLeftWidth, BorderWidth)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyOutlineWidth, OutlineWidth, BorderWidth)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyWebkitColumnRuleWidth, ColumnRuleWidth, BorderWidth)
+ return;
+ }
+
+ if (!primitiveValue)
+ return;
+ short width = 3;
+ switch (primitiveValue->getIdent()) {
+ case CSSValueThin:
+ width = 1;
+ break;
+ case CSSValueMedium:
+ width = 3;
+ break;
+ case CSSValueThick:
+ width = 5;
+ break;
+ case CSSValueInvalid:
+ width = primitiveValue->computeLengthShort(style(), m_rootElementStyle, zoomFactor);
+ break;
+ default:
+ return;
+ }
+
+ if (width < 0) return;
+ switch (id) {
+ case CSSPropertyBorderTopWidth:
+ m_style->setBorderTopWidth(width);
+ break;
+ case CSSPropertyBorderRightWidth:
+ m_style->setBorderRightWidth(width);
+ break;
+ case CSSPropertyBorderBottomWidth:
+ m_style->setBorderBottomWidth(width);
+ break;
+ case CSSPropertyBorderLeftWidth:
+ m_style->setBorderLeftWidth(width);
+ break;
+ case CSSPropertyOutlineWidth:
+ m_style->setOutlineWidth(width);
+ break;
+ case CSSPropertyWebkitColumnRuleWidth:
+ m_style->setColumnRuleWidth(width);
+ break;
+ default:
+ return;
+ }
+ return;
+ }
+
+ case CSSPropertyWebkitFontSmoothing: {
+ FontDescription fontDescription = m_style->fontDescription();
+ if (isInherit)
+ fontDescription.setFontSmoothing(m_parentStyle->fontDescription().fontSmoothing());
+ else if (isInitial)
+ fontDescription.setFontSmoothing(AutoSmoothing);
+ else {
+ if (!primitiveValue)
+ return;
+ int id = primitiveValue->getIdent();
+ FontSmoothingMode smoothing;
+ switch (id) {
+ case CSSValueAuto:
+ smoothing = AutoSmoothing;
+ break;
+ case CSSValueNone:
+ smoothing = NoSmoothing;
+ break;
+ case CSSValueAntialiased:
+ smoothing = Antialiased;
+ break;
+ case CSSValueSubpixelAntialiased:
+ smoothing = SubpixelAntialiased;
+ break;
+ default:
+ ASSERT_NOT_REACHED();
+ smoothing = AutoSmoothing;
+ }
+ fontDescription.setFontSmoothing(smoothing);
+ }
+ if (m_style->setFontDescription(fontDescription))
+ m_fontDirty = true;
+ return;
+ }
+
+ case CSSPropertyLetterSpacing:
+ case CSSPropertyWordSpacing:
+ {
+
+ if (isInherit) {
+ HANDLE_INHERIT_COND(CSSPropertyLetterSpacing, letterSpacing, LetterSpacing)
+ HANDLE_INHERIT_COND(CSSPropertyWordSpacing, wordSpacing, WordSpacing)
+ return;
+ }
+ else if (isInitial) {
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyLetterSpacing, LetterSpacing, LetterWordSpacing)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyWordSpacing, WordSpacing, LetterWordSpacing)
+ return;
+ }
+
+ int width = 0;
+ if (primitiveValue && primitiveValue->getIdent() == CSSValueNormal) {
+ width = 0;
+ } else {
+ if (!primitiveValue)
+ return;
+ width = primitiveValue->computeLengthInt(style(), m_rootElementStyle, useSVGZoomRules ? 1.0f : zoomFactor);
+ }
+ switch (id) {
+ case CSSPropertyLetterSpacing:
+ m_style->setLetterSpacing(width);
+ break;
+ case CSSPropertyWordSpacing:
+ m_style->setWordSpacing(width);
+ break;
+ // ### needs the definitions in renderstyle
+ default: break;
+ }
+ return;
+ }
+
+ case CSSPropertyWordBreak:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(wordBreak, WordBreak)
+ return;
+ case CSSPropertyWordWrap:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(wordWrap, WordWrap)
+ return;
+ case CSSPropertyWebkitNbspMode:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(nbspMode, NBSPMode)
+ return;
+ case CSSPropertyWebkitLineBreak:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(khtmlLineBreak, KHTMLLineBreak)
+ return;
+ case CSSPropertyWebkitMatchNearestMailBlockquoteColor:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(matchNearestMailBlockquoteColor, MatchNearestMailBlockquoteColor)
+ return;
+
+ case CSSPropertyResize:
+ {
+ HANDLE_INHERIT_AND_INITIAL(resize, Resize)
+
+ if (!primitiveValue->getIdent())
+ return;
+
+ EResize r = RESIZE_NONE;
+ if (primitiveValue->getIdent() == CSSValueAuto) {
+ if (Settings* settings = m_checker.m_document->settings())
+ r = settings->textAreasAreResizable() ? RESIZE_BOTH : RESIZE_NONE;
+ } else
+ r = *primitiveValue;
+
+ m_style->setResize(r);
+ return;
+ }
+
+ // length, percent
+ case CSSPropertyMaxWidth:
+ // +none +inherit
+ if (primitiveValue && primitiveValue->getIdent() == CSSValueNone)
+ apply = true;
+ case CSSPropertyTop:
+ case CSSPropertyLeft:
+ case CSSPropertyRight:
+ case CSSPropertyBottom:
+ case CSSPropertyWidth:
+ case CSSPropertyMinWidth:
+ case CSSPropertyMarginTop:
+ case CSSPropertyMarginRight:
+ case CSSPropertyMarginBottom:
+ case CSSPropertyMarginLeft:
+ // +inherit +auto
+ if (id == CSSPropertyWidth || id == CSSPropertyMinWidth || id == CSSPropertyMaxWidth) {
+ if (primitiveValue && primitiveValue->getIdent() == CSSValueIntrinsic) {
+ l = Length(Intrinsic);
+ apply = true;
+ }
+ else if (primitiveValue && primitiveValue->getIdent() == CSSValueMinIntrinsic) {
+ l = Length(MinIntrinsic);
+ apply = true;
+ }
+ }
+ if (id != CSSPropertyMaxWidth && primitiveValue && primitiveValue->getIdent() == CSSValueAuto)
+ apply = true;
+ case CSSPropertyPaddingTop:
+ case CSSPropertyPaddingRight:
+ case CSSPropertyPaddingBottom:
+ case CSSPropertyPaddingLeft:
+ case CSSPropertyTextIndent:
+ // +inherit
+ {
+ if (isInherit) {
+ HANDLE_INHERIT_COND(CSSPropertyMaxWidth, maxWidth, MaxWidth)
+ HANDLE_INHERIT_COND(CSSPropertyBottom, bottom, Bottom)
+ HANDLE_INHERIT_COND(CSSPropertyTop, top, Top)
+ HANDLE_INHERIT_COND(CSSPropertyLeft, left, Left)
+ HANDLE_INHERIT_COND(CSSPropertyRight, right, Right)
+ HANDLE_INHERIT_COND(CSSPropertyWidth, width, Width)
+ HANDLE_INHERIT_COND(CSSPropertyMinWidth, minWidth, MinWidth)
+ HANDLE_INHERIT_COND(CSSPropertyPaddingTop, paddingTop, PaddingTop)
+ HANDLE_INHERIT_COND(CSSPropertyPaddingRight, paddingRight, PaddingRight)
+ HANDLE_INHERIT_COND(CSSPropertyPaddingBottom, paddingBottom, PaddingBottom)
+ HANDLE_INHERIT_COND(CSSPropertyPaddingLeft, paddingLeft, PaddingLeft)
+ HANDLE_INHERIT_COND(CSSPropertyMarginTop, marginTop, MarginTop)
+ HANDLE_INHERIT_COND(CSSPropertyMarginRight, marginRight, MarginRight)
+ HANDLE_INHERIT_COND(CSSPropertyMarginBottom, marginBottom, MarginBottom)
+ HANDLE_INHERIT_COND(CSSPropertyMarginLeft, marginLeft, MarginLeft)
+ HANDLE_INHERIT_COND(CSSPropertyTextIndent, textIndent, TextIndent)
+ return;
+ }
+ else if (isInitial) {
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMaxWidth, MaxWidth, MaxSize)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyBottom, Bottom, Offset)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyTop, Top, Offset)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyLeft, Left, Offset)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyRight, Right, Offset)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyWidth, Width, Size)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMinWidth, MinWidth, MinSize)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyPaddingTop, PaddingTop, Padding)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyPaddingRight, PaddingRight, Padding)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyPaddingBottom, PaddingBottom, Padding)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyPaddingLeft, PaddingLeft, Padding)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMarginTop, MarginTop, Margin)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMarginRight, MarginRight, Margin)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMarginBottom, MarginBottom, Margin)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMarginLeft, MarginLeft, Margin)
+ HANDLE_INITIAL_COND(CSSPropertyTextIndent, TextIndent)
+ return;
+ }
+
+ if (primitiveValue && !apply) {
+ int type = primitiveValue->primitiveType();
+ if (CSSPrimitiveValue::isUnitTypeLength(type))
+ // Handle our quirky margin units if we have them.
+ l = Length(primitiveValue->computeLengthIntForLength(style(), m_rootElementStyle, zoomFactor), Fixed,
+ primitiveValue->isQuirkValue());
+ else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
+ l = Length(primitiveValue->getDoubleValue(), Percent);
+ else
+ return;
+ apply = true;
+ }
+ if (!apply) return;
+ switch (id) {
+ case CSSPropertyMaxWidth:
+ m_style->setMaxWidth(l);
+ break;
+ case CSSPropertyBottom:
+ m_style->setBottom(l);
+ break;
+ case CSSPropertyTop:
+ m_style->setTop(l);
+ break;
+ case CSSPropertyLeft:
+ m_style->setLeft(l);
+ break;
+ case CSSPropertyRight:
+ m_style->setRight(l);
+ break;
+ case CSSPropertyWidth:
+ m_style->setWidth(l);
+ break;
+ case CSSPropertyMinWidth:
+ m_style->setMinWidth(l);
+ break;
+ case CSSPropertyPaddingTop:
+ m_style->setPaddingTop(l);
+ break;
+ case CSSPropertyPaddingRight:
+ m_style->setPaddingRight(l);
+ break;
+ case CSSPropertyPaddingBottom:
+ m_style->setPaddingBottom(l);
+ break;
+ case CSSPropertyPaddingLeft:
+ m_style->setPaddingLeft(l);
+ break;
+ case CSSPropertyMarginTop:
+ m_style->setMarginTop(l);
+ break;
+ case CSSPropertyMarginRight:
+ m_style->setMarginRight(l);
+ break;
+ case CSSPropertyMarginBottom:
+ m_style->setMarginBottom(l);
+ break;
+ case CSSPropertyMarginLeft:
+ m_style->setMarginLeft(l);
+ break;
+ case CSSPropertyTextIndent:
+ m_style->setTextIndent(l);
+ break;
+ default:
+ break;
+ }
+ return;
+ }
+
+ case CSSPropertyMaxHeight:
+ if (primitiveValue && primitiveValue->getIdent() == CSSValueNone) {
+ l = Length(undefinedLength, Fixed);
+ apply = true;
+ }
+ case CSSPropertyHeight:
+ case CSSPropertyMinHeight:
+ if (primitiveValue && primitiveValue->getIdent() == CSSValueIntrinsic) {
+ l = Length(Intrinsic);
+ apply = true;
+ } else if (primitiveValue && primitiveValue->getIdent() == CSSValueMinIntrinsic) {
+ l = Length(MinIntrinsic);
+ apply = true;
+ } else if (id != CSSPropertyMaxHeight && primitiveValue && primitiveValue->getIdent() == CSSValueAuto)
+ apply = true;
+ if (isInherit) {
+ HANDLE_INHERIT_COND(CSSPropertyMaxHeight, maxHeight, MaxHeight)
+ HANDLE_INHERIT_COND(CSSPropertyHeight, height, Height)
+ HANDLE_INHERIT_COND(CSSPropertyMinHeight, minHeight, MinHeight)
+ return;
+ }
+ if (isInitial) {
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMaxHeight, MaxHeight, MaxSize)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyHeight, Height, Size)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyMinHeight, MinHeight, MinSize)
+ return;
+ }
+
+ if (primitiveValue && !apply) {
+ unsigned short type = primitiveValue->primitiveType();
+ if (CSSPrimitiveValue::isUnitTypeLength(type))
+ l = Length(primitiveValue->computeLengthIntForLength(style(), m_rootElementStyle, zoomFactor), Fixed);
+ else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
+ l = Length(primitiveValue->getDoubleValue(), Percent);
+ else
+ return;
+ apply = true;
+ }
+ if (apply)
+ switch (id) {
+ case CSSPropertyMaxHeight:
+ m_style->setMaxHeight(l);
+ break;
+ case CSSPropertyHeight:
+ m_style->setHeight(l);
+ break;
+ case CSSPropertyMinHeight:
+ m_style->setMinHeight(l);
+ break;
+ }
+ return;
+
+ case CSSPropertyVerticalAlign:
+ HANDLE_INHERIT_AND_INITIAL(verticalAlign, VerticalAlign)
+ if (!primitiveValue)
+ return;
+ if (primitiveValue->getIdent()) {
+ EVerticalAlign align;
+
+ switch (primitiveValue->getIdent()) {
+ case CSSValueTop:
+ align = TOP; break;
+ case CSSValueBottom:
+ align = BOTTOM; break;
+ case CSSValueMiddle:
+ align = MIDDLE; break;
+ case CSSValueBaseline:
+ align = BASELINE; break;
+ case CSSValueTextBottom:
+ align = TEXT_BOTTOM; break;
+ case CSSValueTextTop:
+ align = TEXT_TOP; break;
+ case CSSValueSub:
+ align = SUB; break;
+ case CSSValueSuper:
+ align = SUPER; break;
+ case CSSValueWebkitBaselineMiddle:
+ align = BASELINE_MIDDLE; break;
+ default:
+ return;
+ }
+ m_style->setVerticalAlign(align);
+ return;
+ } else {
+ int type = primitiveValue->primitiveType();
+ Length l;
+ if (CSSPrimitiveValue::isUnitTypeLength(type))
+ l = Length(primitiveValue->computeLengthIntForLength(style(), m_rootElementStyle, zoomFactor), Fixed);
+ else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
+ l = Length(primitiveValue->getDoubleValue(), Percent);
+
+ m_style->setVerticalAlign(LENGTH);
+ m_style->setVerticalAlignLength(l);
+ }
+ return;
+
+ case CSSPropertyFontSize:
+ {
+ FontDescription fontDescription = m_style->fontDescription();
+ fontDescription.setKeywordSize(0);
+ float oldSize = 0;
+ float size = 0;
+
+ bool parentIsAbsoluteSize = false;
+ if (m_parentNode) {
+ oldSize = m_parentStyle->fontDescription().specifiedSize();
+ parentIsAbsoluteSize = m_parentStyle->fontDescription().isAbsoluteSize();
+ }
+
+ if (isInherit) {
+ size = oldSize;
+ if (m_parentNode)
+ fontDescription.setKeywordSize(m_parentStyle->fontDescription().keywordSize());
+ } else if (isInitial) {
+ size = fontSizeForKeyword(m_checker.m_document, CSSValueMedium, fontDescription.useFixedDefaultSize());
+ fontDescription.setKeywordSize(CSSValueMedium - CSSValueXxSmall + 1);
+ } else if (primitiveValue->getIdent()) {
+ // Keywords are being used.
+ switch (primitiveValue->getIdent()) {
+ case CSSValueXxSmall:
+ case CSSValueXSmall:
+ case CSSValueSmall:
+ case CSSValueMedium:
+ case CSSValueLarge:
+ case CSSValueXLarge:
+ case CSSValueXxLarge:
+ case CSSValueWebkitXxxLarge:
+ size = fontSizeForKeyword(m_checker.m_document, primitiveValue->getIdent(), fontDescription.useFixedDefaultSize());
+ fontDescription.setKeywordSize(primitiveValue->getIdent() - CSSValueXxSmall + 1);
+ break;
+ case CSSValueLarger:
+ size = largerFontSize(oldSize, m_style->htmlHacks());
+ break;
+ case CSSValueSmaller:
+ size = smallerFontSize(oldSize, m_style->htmlHacks());
+ break;
+ default:
+ return;
+ }
+
+ fontDescription.setIsAbsoluteSize(parentIsAbsoluteSize &&
+ (primitiveValue->getIdent() == CSSValueLarger ||
+ primitiveValue->getIdent() == CSSValueSmaller));
+ } else {
+ int type = primitiveValue->primitiveType();
+ fontDescription.setIsAbsoluteSize(parentIsAbsoluteSize ||
+ (type != CSSPrimitiveValue::CSS_PERCENTAGE &&
+ type != CSSPrimitiveValue::CSS_EMS &&
+ type != CSSPrimitiveValue::CSS_EXS &&
+ type != CSSPrimitiveValue::CSS_REMS));
+ if (CSSPrimitiveValue::isUnitTypeLength(type))
+ size = primitiveValue->computeLengthFloat(m_parentStyle, m_rootElementStyle, true);
+ else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
+ size = (primitiveValue->getFloatValue() * oldSize) / 100.0f;
+ else
+ return;
+ }
+
+ if (size < 0)
+ return;
+
+ setFontSize(fontDescription, size);
+ if (m_style->setFontDescription(fontDescription))
+ m_fontDirty = true;
+ return;
+ }
+
+ case CSSPropertyZIndex: {
+ if (isInherit) {
+ if (m_parentStyle->hasAutoZIndex())
+ m_style->setHasAutoZIndex();
+ else
+ m_style->setZIndex(m_parentStyle->zIndex());
+ return;
+ } else if (isInitial || primitiveValue->getIdent() == CSSValueAuto) {
+ m_style->setHasAutoZIndex();
+ return;
+ }
+
+ // FIXME: Should clamp all sorts of other integer properties too.
+ const double minIntAsDouble = INT_MIN;
+ const double maxIntAsDouble = INT_MAX;
+ m_style->setZIndex(static_cast<int>(max(minIntAsDouble, min(primitiveValue->getDoubleValue(), maxIntAsDouble))));
+ return;
+ }
+ case CSSPropertyWidows:
+ {
+ HANDLE_INHERIT_AND_INITIAL(widows, Widows)
+ if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
+ return;
+ m_style->setWidows(primitiveValue->getIntValue());
+ return;
+ }
+
+ case CSSPropertyOrphans:
+ {
+ HANDLE_INHERIT_AND_INITIAL(orphans, Orphans)
+ if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
+ return;
+ m_style->setOrphans(primitiveValue->getIntValue());
+ return;
+ }
+
+// length, percent, number
+ case CSSPropertyLineHeight:
+ {
+ HANDLE_INHERIT_AND_INITIAL(lineHeight, LineHeight)
+ if (!primitiveValue)
+ return;
+ Length lineHeight;
+ int type = primitiveValue->primitiveType();
+ if (primitiveValue->getIdent() == CSSValueNormal)
+ lineHeight = Length(-100.0, Percent);
+ else if (CSSPrimitiveValue::isUnitTypeLength(type)) {
+ double multiplier = zoomFactor;
+ if (m_style->textSizeAdjust()) {
+ if (FrameView* view = m_checker.m_document->view()) {
+ if (view->shouldApplyTextZoom())
+ multiplier *= view->textZoomFactor();
+ }
+ }
+ lineHeight = Length(primitiveValue->computeLengthIntForLength(style(), m_rootElementStyle, multiplier), Fixed);
+ } else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
+ lineHeight = Length((m_style->fontSize() * primitiveValue->getIntValue()) / 100, Fixed);
+ else if (type == CSSPrimitiveValue::CSS_NUMBER)
+ lineHeight = Length(primitiveValue->getDoubleValue() * 100.0, Percent);
+ else
+ return;
+ m_style->setLineHeight(lineHeight);
+ return;
+ }
+
+// string
+ case CSSPropertyTextAlign:
+ {
+ HANDLE_INHERIT_AND_INITIAL(textAlign, TextAlign)
+ if (!primitiveValue)
+ return;
+ int id = primitiveValue->getIdent();
+ if (id == CSSValueStart)
+ m_style->setTextAlign(m_style->direction() == LTR ? LEFT : RIGHT);
+ else if (id == CSSValueEnd)
+ m_style->setTextAlign(m_style->direction() == LTR ? RIGHT : LEFT);
+ else
+ m_style->setTextAlign(*primitiveValue);
+ return;
+ }
+
+// rect
+ case CSSPropertyClip:
+ {
+ Length top;
+ Length right;
+ Length bottom;
+ Length left;
+ bool hasClip = true;
+ if (isInherit) {
+ if (m_parentStyle->hasClip()) {
+ top = m_parentStyle->clipTop();
+ right = m_parentStyle->clipRight();
+ bottom = m_parentStyle->clipBottom();
+ left = m_parentStyle->clipLeft();
+ } else {
+ hasClip = false;
+ top = right = bottom = left = Length();
+ }
+ } else if (isInitial) {
+ hasClip = false;
+ top = right = bottom = left = Length();
+ } else if (!primitiveValue) {
+ return;
+ } else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_RECT) {
+ Rect* rect = primitiveValue->getRectValue();
+ if (!rect)
+ return;
+ top = convertToLength(rect->top(), style(), m_rootElementStyle, zoomFactor);
+ right = convertToLength(rect->right(), style(), m_rootElementStyle, zoomFactor);
+ bottom = convertToLength(rect->bottom(), style(), m_rootElementStyle, zoomFactor);
+ left = convertToLength(rect->left(), style(), m_rootElementStyle, zoomFactor);
+ } else if (primitiveValue->getIdent() != CSSValueAuto) {
+ return;
+ }
+ m_style->setClip(top, right, bottom, left);
+ m_style->setHasClip(hasClip);
+
+ // rect, ident
+ return;
+ }
+
+// lists
+ case CSSPropertyContent:
+ // list of string, uri, counter, attr, i
+ {
+ // FIXME: In CSS3, it will be possible to inherit content. In CSS2 it is not. This
+ // note is a reminder that eventually "inherit" needs to be supported.
+
+ if (isInitial) {
+ m_style->clearContent();
+ return;
+ }
+
+ if (!value->isValueList())
+ return;
+
+ CSSValueList* list = static_cast<CSSValueList*>(value);
+ int len = list->length();
+
+ bool didSet = false;
+ for (int i = 0; i < len; i++) {
+ CSSValue* item = list->itemWithoutBoundsCheck(i);
+ if (item->isImageGeneratorValue()) {
+ m_style->setContent(static_cast<CSSImageGeneratorValue*>(item)->generatedImage(), didSet);
+ didSet = true;
+ }
+
+ if (!item->isPrimitiveValue())
+ continue;
+
+ CSSPrimitiveValue* val = static_cast<CSSPrimitiveValue*>(item);
+ switch (val->primitiveType()) {
+ case CSSPrimitiveValue::CSS_STRING:
+ m_style->setContent(val->getStringValue().impl(), didSet);
+ didSet = true;
+ break;
+ case CSSPrimitiveValue::CSS_ATTR: {
+ // FIXME: Can a namespace be specified for an attr(foo)?
+ if (m_style->styleType() == NOPSEUDO)
+ m_style->setUnique();
+ else
+ m_parentStyle->setUnique();
+ QualifiedName attr(nullAtom, val->getStringValue().impl(), nullAtom);
+ m_style->setContent(m_element->getAttribute(attr).impl(), didSet);
+ didSet = true;
+ // register the fact that the attribute value affects the style
+ m_selectorAttrs.add(attr.localName().impl());
+ break;
+ }
+ case CSSPrimitiveValue::CSS_URI: {
+ CSSImageValue* image = static_cast<CSSImageValue*>(val);
+ m_style->setContent(image->cachedImage(m_element->document()->docLoader()), didSet);
+ didSet = true;
+ break;
+ }
+ case CSSPrimitiveValue::CSS_COUNTER: {
+ Counter* counterValue = val->getCounterValue();
+ CounterContent* counter = new CounterContent(counterValue->identifier(),
+ (EListStyleType)counterValue->listStyleNumber(), counterValue->separator());
+ m_style->setContent(counter, didSet);
+ didSet = true;
+ }
+ }
+ }
+ if (!didSet)
+ m_style->clearContent();
+ return;
+ }
+
+ case CSSPropertyCounterIncrement:
+ applyCounterList(style(), value->isValueList() ? static_cast<CSSValueList*>(value) : 0, false);
+ return;
+ case CSSPropertyCounterReset:
+ applyCounterList(style(), value->isValueList() ? static_cast<CSSValueList*>(value) : 0, true);
+ return;
+
+ case CSSPropertyFontFamily: {
+ // list of strings and ids
+ if (isInherit) {
+ FontDescription parentFontDescription = m_parentStyle->fontDescription();
+ FontDescription fontDescription = m_style->fontDescription();
+ fontDescription.setGenericFamily(parentFontDescription.genericFamily());
+ fontDescription.setFamily(parentFontDescription.firstFamily());
+ if (m_style->setFontDescription(fontDescription))
+ m_fontDirty = true;
+ return;
+ } else if (isInitial) {
+ FontDescription initialDesc = FontDescription();
+ FontDescription fontDescription = m_style->fontDescription();
+ // We need to adjust the size to account for the generic family change from monospace
+ // to non-monospace.
+ if (fontDescription.keywordSize() && fontDescription.useFixedDefaultSize())
+ setFontSize(fontDescription, fontSizeForKeyword(m_checker.m_document, CSSValueXxSmall + fontDescription.keywordSize() - 1, false));
+ fontDescription.setGenericFamily(initialDesc.genericFamily());
+ if (!initialDesc.firstFamily().familyIsEmpty())
+ fontDescription.setFamily(initialDesc.firstFamily());
+ if (m_style->setFontDescription(fontDescription))
+ m_fontDirty = true;
+ return;
+ }
+
+ if (!value->isValueList())
+ return;
+ FontDescription fontDescription = m_style->fontDescription();
+ CSSValueList* list = static_cast<CSSValueList*>(value);
+ int len = list->length();
+ FontFamily& firstFamily = fontDescription.firstFamily();
+ FontFamily* currFamily = 0;
+
+ // Before mapping in a new font-family property, we should reset the generic family.
+ bool oldFamilyUsedFixedDefaultSize = fontDescription.useFixedDefaultSize();
+ fontDescription.setGenericFamily(FontDescription::NoFamily);
+
+ for (int i = 0; i < len; i++) {
+ CSSValue* item = list->itemWithoutBoundsCheck(i);
+ if (!item->isPrimitiveValue())
+ continue;
+ CSSPrimitiveValue* val = static_cast<CSSPrimitiveValue*>(item);
+ AtomicString face;
+ Settings* settings = m_checker.m_document->settings();
+ if (val->primitiveType() == CSSPrimitiveValue::CSS_STRING)
+ face = static_cast<FontFamilyValue*>(val)->familyName();
+ else if (val->primitiveType() == CSSPrimitiveValue::CSS_IDENT && settings) {
+ switch (val->getIdent()) {
+ case CSSValueWebkitBody:
+ face = settings->standardFontFamily();
+ break;
+ case CSSValueSerif:
+ face = "-webkit-serif";
+ fontDescription.setGenericFamily(FontDescription::SerifFamily);
+ break;
+ case CSSValueSansSerif:
+ face = "-webkit-sans-serif";
+ fontDescription.setGenericFamily(FontDescription::SansSerifFamily);
+ break;
+ case CSSValueCursive:
+ face = "-webkit-cursive";
+ fontDescription.setGenericFamily(FontDescription::CursiveFamily);
+ break;
+ case CSSValueFantasy:
+ face = "-webkit-fantasy";
+ fontDescription.setGenericFamily(FontDescription::FantasyFamily);
+ break;
+ case CSSValueMonospace:
+ face = "-webkit-monospace";
+ fontDescription.setGenericFamily(FontDescription::MonospaceFamily);
+ break;
+ }
+ }
+
+ if (!face.isEmpty()) {
+ if (!currFamily) {
+ // Filling in the first family.
+ firstFamily.setFamily(face);
+ firstFamily.appendFamily(0); // Remove any inherited family-fallback list.
+ currFamily = &firstFamily;
+ } else {
+ RefPtr<SharedFontFamily> newFamily = SharedFontFamily::create();
+ newFamily->setFamily(face);
+ currFamily->appendFamily(newFamily);
+ currFamily = newFamily.get();
+ }
+ }
+ }
+
+ // We can't call useFixedDefaultSize() until all new font families have been added
+ // If currFamily is non-zero then we set at least one family on this description.
+ if (currFamily) {
+ if (fontDescription.keywordSize() && fontDescription.useFixedDefaultSize() != oldFamilyUsedFixedDefaultSize)
+ setFontSize(fontDescription, fontSizeForKeyword(m_checker.m_document, CSSValueXxSmall + fontDescription.keywordSize() - 1, !oldFamilyUsedFixedDefaultSize));
+
+ if (m_style->setFontDescription(fontDescription))
+ m_fontDirty = true;
+ }
+ return;
+ }
+ case CSSPropertyTextDecoration: {
+ // list of ident
+ HANDLE_INHERIT_AND_INITIAL(textDecoration, TextDecoration)
+ int t = RenderStyle::initialTextDecoration();
+ if (primitiveValue && primitiveValue->getIdent() == CSSValueNone) {
+ // do nothing
+ } else {
+ if (!value->isValueList()) return;
+ CSSValueList *list = static_cast<CSSValueList*>(value);
+ int len = list->length();
+ for (int i = 0; i < len; i++)
+ {
+ CSSValue *item = list->itemWithoutBoundsCheck(i);
+ if (!item->isPrimitiveValue()) continue;
+ primitiveValue = static_cast<CSSPrimitiveValue*>(item);
+ switch (primitiveValue->getIdent()) {
+ case CSSValueNone:
+ t = TDNONE; break;
+ case CSSValueUnderline:
+ t |= UNDERLINE; break;
+ case CSSValueOverline:
+ t |= OVERLINE; break;
+ case CSSValueLineThrough:
+ t |= LINE_THROUGH; break;
+ case CSSValueBlink:
+ t |= BLINK; break;
+ default:
+ return;
+ }
+ }
+ }
+
+ m_style->setTextDecoration(t);
+ return;
+ }
+
+ case CSSPropertyZoom:
+ {
+ // Reset the zoom in effect before we do anything. This allows the setZoom method to accurately compute a new
+ // zoom in effect.
+ m_style->setEffectiveZoom(m_parentStyle ? m_parentStyle->effectiveZoom() : RenderStyle::initialZoom());
+
+ // Now we can handle inherit and initial.
+ HANDLE_INHERIT_AND_INITIAL(zoom, Zoom)
+
+ // Handle normal/reset, numbers and percentages.
+ int type = primitiveValue->primitiveType();
+ if (primitiveValue->getIdent() == CSSValueNormal)
+ m_style->setZoom(RenderStyle::initialZoom());
+ else if (primitiveValue->getIdent() == CSSValueReset) {
+ m_style->setEffectiveZoom(RenderStyle::initialZoom());
+ m_style->setZoom(RenderStyle::initialZoom());
+ } else if (primitiveValue->getIdent() == CSSValueDocument) {
+ float docZoom = m_checker.m_document->renderer()->style()->zoom();
+ m_style->setEffectiveZoom(docZoom);
+ m_style->setZoom(docZoom);
+ } else if (type == CSSPrimitiveValue::CSS_PERCENTAGE) {
+ if (primitiveValue->getFloatValue())
+ m_style->setZoom(primitiveValue->getFloatValue() / 100.0f);
+ } else if (type == CSSPrimitiveValue::CSS_NUMBER) {
+ if (primitiveValue->getFloatValue())
+ m_style->setZoom(primitiveValue->getFloatValue());
+ }
+
+ m_fontDirty = true;
+ return;
+ }
+// shorthand properties
+ case CSSPropertyBackground:
+ if (isInitial) {
+ m_style->clearBackgroundLayers();
+ m_style->setBackgroundColor(Color());
+ }
+ else if (isInherit) {
+ m_style->inheritBackgroundLayers(*m_parentStyle->backgroundLayers());
+ m_style->setBackgroundColor(m_parentStyle->backgroundColor());
+ }
+ return;
+ case CSSPropertyWebkitMask:
+ if (isInitial)
+ m_style->clearMaskLayers();
+ else if (isInherit)
+ m_style->inheritMaskLayers(*m_parentStyle->maskLayers());
+ return;
+
+ case CSSPropertyBorder:
+ case CSSPropertyBorderStyle:
+ case CSSPropertyBorderWidth:
+ case CSSPropertyBorderColor:
+ if (id == CSSPropertyBorder || id == CSSPropertyBorderColor)
+ {
+ if (isInherit) {
+ m_style->setBorderTopColor(m_parentStyle->borderTopColor().isValid() ? m_parentStyle->borderTopColor() : m_parentStyle->color());
+ m_style->setBorderBottomColor(m_parentStyle->borderBottomColor().isValid() ? m_parentStyle->borderBottomColor() : m_parentStyle->color());
+ m_style->setBorderLeftColor(m_parentStyle->borderLeftColor().isValid() ? m_parentStyle->borderLeftColor() : m_parentStyle->color());
+ m_style->setBorderRightColor(m_parentStyle->borderRightColor().isValid() ? m_parentStyle->borderRightColor(): m_parentStyle->color());
+ }
+ else if (isInitial) {
+ m_style->setBorderTopColor(Color()); // Reset to invalid color so currentColor is used instead.
+ m_style->setBorderBottomColor(Color());
+ m_style->setBorderLeftColor(Color());
+ m_style->setBorderRightColor(Color());
+ }
+ }
+ if (id == CSSPropertyBorder || id == CSSPropertyBorderStyle)
+ {
+ if (isInherit) {
+ m_style->setBorderTopStyle(m_parentStyle->borderTopStyle());
+ m_style->setBorderBottomStyle(m_parentStyle->borderBottomStyle());
+ m_style->setBorderLeftStyle(m_parentStyle->borderLeftStyle());
+ m_style->setBorderRightStyle(m_parentStyle->borderRightStyle());
+ }
+ else if (isInitial) {
+ m_style->setBorderTopStyle(RenderStyle::initialBorderStyle());
+ m_style->setBorderBottomStyle(RenderStyle::initialBorderStyle());
+ m_style->setBorderLeftStyle(RenderStyle::initialBorderStyle());
+ m_style->setBorderRightStyle(RenderStyle::initialBorderStyle());
+ }
+ }
+ if (id == CSSPropertyBorder || id == CSSPropertyBorderWidth)
+ {
+ if (isInherit) {
+ m_style->setBorderTopWidth(m_parentStyle->borderTopWidth());
+ m_style->setBorderBottomWidth(m_parentStyle->borderBottomWidth());
+ m_style->setBorderLeftWidth(m_parentStyle->borderLeftWidth());
+ m_style->setBorderRightWidth(m_parentStyle->borderRightWidth());
+ }
+ else if (isInitial) {
+ m_style->setBorderTopWidth(RenderStyle::initialBorderWidth());
+ m_style->setBorderBottomWidth(RenderStyle::initialBorderWidth());
+ m_style->setBorderLeftWidth(RenderStyle::initialBorderWidth());
+ m_style->setBorderRightWidth(RenderStyle::initialBorderWidth());
+ }
+ }
+ return;
+ case CSSPropertyBorderTop:
+ if (isInherit) {
+ m_style->setBorderTopColor(m_parentStyle->borderTopColor().isValid() ? m_parentStyle->borderTopColor() : m_parentStyle->color());
+ m_style->setBorderTopStyle(m_parentStyle->borderTopStyle());
+ m_style->setBorderTopWidth(m_parentStyle->borderTopWidth());
+ }
+ else if (isInitial)
+ m_style->resetBorderTop();
+ return;
+ case CSSPropertyBorderRight:
+ if (isInherit) {
+ m_style->setBorderRightColor(m_parentStyle->borderRightColor().isValid() ? m_parentStyle->borderRightColor() : m_parentStyle->color());
+ m_style->setBorderRightStyle(m_parentStyle->borderRightStyle());
+ m_style->setBorderRightWidth(m_parentStyle->borderRightWidth());
+ }
+ else if (isInitial)
+ m_style->resetBorderRight();
+ return;
+ case CSSPropertyBorderBottom:
+ if (isInherit) {
+ m_style->setBorderBottomColor(m_parentStyle->borderBottomColor().isValid() ? m_parentStyle->borderBottomColor() : m_parentStyle->color());
+ m_style->setBorderBottomStyle(m_parentStyle->borderBottomStyle());
+ m_style->setBorderBottomWidth(m_parentStyle->borderBottomWidth());
+ }
+ else if (isInitial)
+ m_style->resetBorderBottom();
+ return;
+ case CSSPropertyBorderLeft:
+ if (isInherit) {
+ m_style->setBorderLeftColor(m_parentStyle->borderLeftColor().isValid() ? m_parentStyle->borderLeftColor() : m_parentStyle->color());
+ m_style->setBorderLeftStyle(m_parentStyle->borderLeftStyle());
+ m_style->setBorderLeftWidth(m_parentStyle->borderLeftWidth());
+ }
+ else if (isInitial)
+ m_style->resetBorderLeft();
+ return;
+ case CSSPropertyMargin:
+ if (isInherit) {
+ m_style->setMarginTop(m_parentStyle->marginTop());
+ m_style->setMarginBottom(m_parentStyle->marginBottom());
+ m_style->setMarginLeft(m_parentStyle->marginLeft());
+ m_style->setMarginRight(m_parentStyle->marginRight());
+ }
+ else if (isInitial)
+ m_style->resetMargin();
+ return;
+ case CSSPropertyPadding:
+ if (isInherit) {
+ m_style->setPaddingTop(m_parentStyle->paddingTop());
+ m_style->setPaddingBottom(m_parentStyle->paddingBottom());
+ m_style->setPaddingLeft(m_parentStyle->paddingLeft());
+ m_style->setPaddingRight(m_parentStyle->paddingRight());
+ }
+ else if (isInitial)
+ m_style->resetPadding();
+ return;
+ case CSSPropertyFont:
+ if (isInherit) {
+ FontDescription fontDescription = m_parentStyle->fontDescription();
+ m_style->setLineHeight(m_parentStyle->lineHeight());
+ m_lineHeightValue = 0;
+ if (m_style->setFontDescription(fontDescription))
+ m_fontDirty = true;
+ } else if (isInitial) {
+ Settings* settings = m_checker.m_document->settings();
+ ASSERT(settings); // If we're doing style resolution, this document should always be in a frame and thus have settings
+ if (!settings)
+ return;
+ FontDescription fontDescription;
+ fontDescription.setGenericFamily(FontDescription::StandardFamily);
+ fontDescription.setRenderingMode(settings->fontRenderingMode());
+ fontDescription.setUsePrinterFont(m_checker.m_document->printing());
+ const AtomicString& standardFontFamily = m_checker.m_document->settings()->standardFontFamily();
+ if (!standardFontFamily.isEmpty()) {
+ fontDescription.firstFamily().setFamily(standardFontFamily);
+ fontDescription.firstFamily().appendFamily(0);
+ }
+ fontDescription.setKeywordSize(CSSValueMedium - CSSValueXxSmall + 1);
+ setFontSize(fontDescription, fontSizeForKeyword(m_checker.m_document, CSSValueMedium, false));
+ m_style->setLineHeight(RenderStyle::initialLineHeight());
+ m_lineHeightValue = 0;
+ if (m_style->setFontDescription(fontDescription))
+ m_fontDirty = true;
+ } else if (primitiveValue) {
+ m_style->setLineHeight(RenderStyle::initialLineHeight());
+ m_lineHeightValue = 0;
+
+ FontDescription fontDescription;
+ RenderTheme::defaultTheme()->systemFont(primitiveValue->getIdent(), fontDescription);
+
+ // Double-check and see if the theme did anything. If not, don't bother updating the font.
+ if (fontDescription.isAbsoluteSize()) {
+ // Make sure the rendering mode and printer font settings are updated.
+ Settings* settings = m_checker.m_document->settings();
+ ASSERT(settings); // If we're doing style resolution, this document should always be in a frame and thus have settings
+ if (!settings)
+ return;
+ fontDescription.setRenderingMode(settings->fontRenderingMode());
+ fontDescription.setUsePrinterFont(m_checker.m_document->printing());
+
+ // Handle the zoom factor.
+ fontDescription.setComputedSize(getComputedSizeFromSpecifiedSize(m_checker.m_document, m_style.get(), fontDescription.isAbsoluteSize(), fontDescription.specifiedSize(), useSVGZoomRules));
+ if (m_style->setFontDescription(fontDescription))
+ m_fontDirty = true;
+ }
+ } else if (value->isFontValue()) {
+ FontValue *font = static_cast<FontValue*>(value);
+ if (!font->style || !font->variant || !font->weight ||
+ !font->size || !font->lineHeight || !font->family)
+ return;
+ applyProperty(CSSPropertyFontStyle, font->style.get());
+ applyProperty(CSSPropertyFontVariant, font->variant.get());
+ applyProperty(CSSPropertyFontWeight, font->weight.get());
+ applyProperty(CSSPropertyFontSize, font->size.get());
+
+ m_lineHeightValue = font->lineHeight.get();
+
+ applyProperty(CSSPropertyFontFamily, font->family.get());
+ }
+ return;
+
+ case CSSPropertyListStyle:
+ if (isInherit) {
+ m_style->setListStyleType(m_parentStyle->listStyleType());
+ m_style->setListStyleImage(m_parentStyle->listStyleImage());
+ m_style->setListStylePosition(m_parentStyle->listStylePosition());
+ }
+ else if (isInitial) {
+ m_style->setListStyleType(RenderStyle::initialListStyleType());
+ m_style->setListStyleImage(RenderStyle::initialListStyleImage());
+ m_style->setListStylePosition(RenderStyle::initialListStylePosition());
+ }
+ return;
+ case CSSPropertyOutline:
+ if (isInherit) {
+ m_style->setOutlineWidth(m_parentStyle->outlineWidth());
+ m_style->setOutlineColor(m_parentStyle->outlineColor().isValid() ? m_parentStyle->outlineColor() : m_parentStyle->color());
+ m_style->setOutlineStyle(m_parentStyle->outlineStyle());
+ }
+ else if (isInitial)
+ m_style->resetOutline();
+ return;
+
+ // CSS3 Properties
+ case CSSPropertyWebkitAppearance: {
+ HANDLE_INHERIT_AND_INITIAL(appearance, Appearance)
+ if (!primitiveValue)
+ return;
+ m_style->setAppearance(*primitiveValue);
+ return;
+ }
+ case CSSPropertyWebkitBinding: {
+#if ENABLE(XBL)
+ if (isInitial || (primitiveValue && primitiveValue->getIdent() == CSSValueNone)) {
+ m_style->deleteBindingURIs();
+ return;
+ }
+ else if (isInherit) {
+ if (m_parentStyle->bindingURIs())
+ m_style->inheritBindingURIs(m_parentStyle->bindingURIs());
+ else
+ m_style->deleteBindingURIs();
+ return;
+ }
+
+ if (!value->isValueList()) return;
+ CSSValueList* list = static_cast<CSSValueList*>(value);
+ bool firstBinding = true;
+ for (unsigned int i = 0; i < list->length(); i++) {
+ CSSValue *item = list->itemWithoutBoundsCheck(i);
+ CSSPrimitiveValue *val = static_cast<CSSPrimitiveValue*>(item);
+ if (val->primitiveType() == CSSPrimitiveValue::CSS_URI) {
+ if (firstBinding) {
+ firstBinding = false;
+ m_style->deleteBindingURIs();
+ }
+ m_style->addBindingURI(val->getStringValue());
+ }
+ }
+#endif
+ return;
+ }
+
+ case CSSPropertyWebkitBorderImage:
+ case CSSPropertyWebkitMaskBoxImage: {
+ if (isInherit) {
+ HANDLE_INHERIT_COND(CSSPropertyWebkitBorderImage, borderImage, BorderImage)
+ HANDLE_INHERIT_COND(CSSPropertyWebkitMaskBoxImage, maskBoxImage, MaskBoxImage)
+ return;
+ } else if (isInitial) {
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyWebkitBorderImage, BorderImage, NinePieceImage)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyWebkitMaskBoxImage, MaskBoxImage, NinePieceImage)
+ return;
+ }
+
+ NinePieceImage image;
+ mapNinePieceImage(value, image);
+
+ if (id == CSSPropertyWebkitBorderImage)
+ m_style->setBorderImage(image);
+ else
+ m_style->setMaskBoxImage(image);
+ return;
+ }
+
+ case CSSPropertyBorderRadius:
+ case CSSPropertyWebkitBorderRadius:
+ if (isInherit) {
+ m_style->setBorderTopLeftRadius(m_parentStyle->borderTopLeftRadius());
+ m_style->setBorderTopRightRadius(m_parentStyle->borderTopRightRadius());
+ m_style->setBorderBottomLeftRadius(m_parentStyle->borderBottomLeftRadius());
+ m_style->setBorderBottomRightRadius(m_parentStyle->borderBottomRightRadius());
+ return;
+ }
+ if (isInitial) {
+ m_style->resetBorderRadius();
+ return;
+ }
+ // Fall through
+ case CSSPropertyBorderTopLeftRadius:
+ case CSSPropertyBorderTopRightRadius:
+ case CSSPropertyBorderBottomLeftRadius:
+ case CSSPropertyBorderBottomRightRadius: {
+ if (isInherit) {
+ HANDLE_INHERIT_COND(CSSPropertyBorderTopLeftRadius, borderTopLeftRadius, BorderTopLeftRadius)
+ HANDLE_INHERIT_COND(CSSPropertyBorderTopRightRadius, borderTopRightRadius, BorderTopRightRadius)
+ HANDLE_INHERIT_COND(CSSPropertyBorderBottomLeftRadius, borderBottomLeftRadius, BorderBottomLeftRadius)
+ HANDLE_INHERIT_COND(CSSPropertyBorderBottomRightRadius, borderBottomRightRadius, BorderBottomRightRadius)
+ return;
+ }
+
+ if (isInitial) {
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyBorderTopLeftRadius, BorderTopLeftRadius, BorderRadius)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyBorderTopRightRadius, BorderTopRightRadius, BorderRadius)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyBorderBottomLeftRadius, BorderBottomLeftRadius, BorderRadius)
+ HANDLE_INITIAL_COND_WITH_VALUE(CSSPropertyBorderBottomRightRadius, BorderBottomRightRadius, BorderRadius)
+ return;
+ }
+
+ if (!primitiveValue)
+ return;
+
+ Pair* pair = primitiveValue->getPairValue();
+ if (!pair)
+ return;
+
+ int width = pair->first()->computeLengthInt(style(), m_rootElementStyle, zoomFactor);
+ int height = pair->second()->computeLengthInt(style(), m_rootElementStyle, zoomFactor);
+ if (width < 0 || height < 0)
+ return;
+
+ if (width == 0)
+ height = 0; // Null out the other value.
+ else if (height == 0)
+ width = 0; // Null out the other value.
+
+ IntSize size(width, height);
+ switch (id) {
+ case CSSPropertyBorderTopLeftRadius:
+ m_style->setBorderTopLeftRadius(size);
+ break;
+ case CSSPropertyBorderTopRightRadius:
+ m_style->setBorderTopRightRadius(size);
+ break;
+ case CSSPropertyBorderBottomLeftRadius:
+ m_style->setBorderBottomLeftRadius(size);
+ break;
+ case CSSPropertyBorderBottomRightRadius:
+ m_style->setBorderBottomRightRadius(size);
+ break;
+ default:
+ m_style->setBorderRadius(size);
+ break;
+ }
+ return;
+ }
+
+ case CSSPropertyOutlineOffset:
+ HANDLE_INHERIT_AND_INITIAL(outlineOffset, OutlineOffset)
+ m_style->setOutlineOffset(primitiveValue->computeLengthInt(style(), m_rootElementStyle, zoomFactor));
+ return;
+ case CSSPropertyTextRendering: {
+ FontDescription fontDescription = m_style->fontDescription();
+ if (isInherit)
+ fontDescription.setTextRenderingMode(m_parentStyle->fontDescription().textRenderingMode());
+ else if (isInitial)
+ fontDescription.setTextRenderingMode(AutoTextRendering);
+ else {
+ if (!primitiveValue)
+ return;
+ fontDescription.setTextRenderingMode(*primitiveValue);
+ }
+ if (m_style->setFontDescription(fontDescription))
+ m_fontDirty = true;
+ return;
+ }
+ case CSSPropertyTextShadow:
+ case CSSPropertyWebkitBoxShadow: {
+ if (isInherit) {
+ if (id == CSSPropertyTextShadow)
+ return m_style->setTextShadow(m_parentStyle->textShadow() ? new ShadowData(*m_parentStyle->textShadow()) : 0);
+ return m_style->setBoxShadow(m_parentStyle->boxShadow() ? new ShadowData(*m_parentStyle->boxShadow()) : 0);
+ }
+ if (isInitial || primitiveValue) // initial | none
+ return id == CSSPropertyTextShadow ? m_style->setTextShadow(0) : m_style->setBoxShadow(0);
+
+ if (!value->isValueList())
+ return;
+
+ CSSValueList *list = static_cast<CSSValueList*>(value);
+ int len = list->length();
+ for (int i = 0; i < len; i++) {
+ ShadowValue* item = static_cast<ShadowValue*>(list->itemWithoutBoundsCheck(i));
+ int x = item->x->computeLengthInt(style(), m_rootElementStyle, zoomFactor);
+ int y = item->y->computeLengthInt(style(), m_rootElementStyle, zoomFactor);
+ int blur = item->blur ? item->blur->computeLengthInt(style(), m_rootElementStyle, zoomFactor) : 0;
+ int spread = item->spread ? item->spread->computeLengthInt(style(), m_rootElementStyle, zoomFactor) : 0;
+ ShadowStyle shadowStyle = item->style && item->style->getIdent() == CSSValueInset ? Inset : Normal;
+ Color color;
+ if (item->color)
+ color = getColorFromPrimitiveValue(item->color.get());
+ ShadowData* shadowData = new ShadowData(x, y, blur, spread, shadowStyle, color.isValid() ? color : Color::transparent);
+ if (id == CSSPropertyTextShadow)
+ m_style->setTextShadow(shadowData, i != 0);
+ else
+ m_style->setBoxShadow(shadowData, i != 0);
+ }
+ return;
+ }
+ case CSSPropertyWebkitBoxReflect: {
+ HANDLE_INHERIT_AND_INITIAL(boxReflect, BoxReflect)
+ if (primitiveValue) {
+ m_style->setBoxReflect(RenderStyle::initialBoxReflect());
+ return;
+ }
+ CSSReflectValue* reflectValue = static_cast<CSSReflectValue*>(value);
+ RefPtr<StyleReflection> reflection = StyleReflection::create();
+ reflection->setDirection(reflectValue->direction());
+ if (reflectValue->offset()) {
+ int type = reflectValue->offset()->primitiveType();
+ if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
+ reflection->setOffset(Length(reflectValue->offset()->getDoubleValue(), Percent));
+ else
+ reflection->setOffset(Length(reflectValue->offset()->computeLengthIntForLength(style(), m_rootElementStyle, zoomFactor), Fixed));
+ }
+ NinePieceImage mask;
+ mapNinePieceImage(reflectValue->mask(), mask);
+ reflection->setMask(mask);
+
+ m_style->setBoxReflect(reflection.release());
+ return;
+ }
+ case CSSPropertyOpacity:
+ HANDLE_INHERIT_AND_INITIAL(opacity, Opacity)
+ if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
+ return; // Error case.
+ // Clamp opacity to the range 0-1
+ m_style->setOpacity(min(1.0f, max(0.0f, primitiveValue->getFloatValue())));
+ return;
+ case CSSPropertyWebkitBoxAlign:
+ {
+ HANDLE_INHERIT_AND_INITIAL(boxAlign, BoxAlign)
+ if (!primitiveValue)
+ return;
+ EBoxAlignment boxAlignment = *primitiveValue;
+ if (boxAlignment != BJUSTIFY)
+ m_style->setBoxAlign(boxAlignment);
+ return;
+ }
+ case CSSPropertySrc: // Only used in @font-face rules.
+ return;
+ case CSSPropertyUnicodeRange: // Only used in @font-face rules.
+ return;
+ case CSSPropertyWebkitBackfaceVisibility:
+ HANDLE_INHERIT_AND_INITIAL(backfaceVisibility, BackfaceVisibility)
+ if (primitiveValue)
+ m_style->setBackfaceVisibility((primitiveValue->getIdent() == CSSValueVisible) ? BackfaceVisibilityVisible : BackfaceVisibilityHidden);
+ return;
+ case CSSPropertyWebkitBoxDirection:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(boxDirection, BoxDirection)
+ return;
+ case CSSPropertyWebkitBoxLines:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(boxLines, BoxLines)
+ return;
+ case CSSPropertyWebkitBoxOrient:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(boxOrient, BoxOrient)
+ return;
+ case CSSPropertyWebkitBoxPack:
+ {
+ HANDLE_INHERIT_AND_INITIAL(boxPack, BoxPack)
+ if (!primitiveValue)
+ return;
+ EBoxAlignment boxPack = *primitiveValue;
+ if (boxPack != BSTRETCH && boxPack != BBASELINE)
+ m_style->setBoxPack(boxPack);
+ return;
+ }
+ case CSSPropertyWebkitBoxFlex:
+ HANDLE_INHERIT_AND_INITIAL(boxFlex, BoxFlex)
+ if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
+ return; // Error case.
+ m_style->setBoxFlex(primitiveValue->getFloatValue());
+ return;
+ case CSSPropertyWebkitBoxFlexGroup:
+ HANDLE_INHERIT_AND_INITIAL(boxFlexGroup, BoxFlexGroup)
+ if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
+ return; // Error case.
+ m_style->setBoxFlexGroup((unsigned int)(primitiveValue->getDoubleValue()));
+ return;
+ case CSSPropertyWebkitBoxOrdinalGroup:
+ HANDLE_INHERIT_AND_INITIAL(boxOrdinalGroup, BoxOrdinalGroup)
+ if (!primitiveValue || primitiveValue->primitiveType() != CSSPrimitiveValue::CSS_NUMBER)
+ return; // Error case.
+ m_style->setBoxOrdinalGroup((unsigned int)(primitiveValue->getDoubleValue()));
+ return;
+ case CSSPropertyWebkitBoxSizing:
+ HANDLE_INHERIT_AND_INITIAL(boxSizing, BoxSizing)
+ if (!primitiveValue)
+ return;
+ if (primitiveValue->getIdent() == CSSValueContentBox)
+ m_style->setBoxSizing(CONTENT_BOX);
+ else
+ m_style->setBoxSizing(BORDER_BOX);
+ return;
+ case CSSPropertyWebkitColumnCount: {
+ if (isInherit) {
+ if (m_parentStyle->hasAutoColumnCount())
+ m_style->setHasAutoColumnCount();
+ else
+ m_style->setColumnCount(m_parentStyle->columnCount());
+ return;
+ } else if (isInitial || primitiveValue->getIdent() == CSSValueAuto) {
+ m_style->setHasAutoColumnCount();
+ return;
+ }
+ m_style->setColumnCount(static_cast<unsigned short>(primitiveValue->getDoubleValue()));
+ return;
+ }
+ case CSSPropertyWebkitColumnGap: {
+ if (isInherit) {
+ if (m_parentStyle->hasNormalColumnGap())
+ m_style->setHasNormalColumnGap();
+ else
+ m_style->setColumnGap(m_parentStyle->columnGap());
+ return;
+ } else if (isInitial || primitiveValue->getIdent() == CSSValueNormal) {
+ m_style->setHasNormalColumnGap();
+ return;
+ }
+ m_style->setColumnGap(primitiveValue->computeLengthFloat(style(), m_rootElementStyle, zoomFactor));
+ return;
+ }
+ case CSSPropertyWebkitColumnSpan: {
+ HANDLE_INHERIT_AND_INITIAL(columnSpan, ColumnSpan)
+ m_style->setColumnSpan(primitiveValue->getIdent() == CSSValueAll);
+ return;
+ }
+ case CSSPropertyWebkitColumnWidth: {
+ if (isInherit) {
+ if (m_parentStyle->hasAutoColumnWidth())
+ m_style->setHasAutoColumnWidth();
+ else
+ m_style->setColumnWidth(m_parentStyle->columnWidth());
+ return;
+ } else if (isInitial || primitiveValue->getIdent() == CSSValueAuto) {
+ m_style->setHasAutoColumnWidth();
+ return;
+ }
+ m_style->setColumnWidth(primitiveValue->computeLengthFloat(style(), m_rootElementStyle, zoomFactor));
+ return;
+ }
+ case CSSPropertyWebkitColumnRuleStyle:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE_WITH_VALUE(columnRuleStyle, ColumnRuleStyle, BorderStyle)
+ return;
+ case CSSPropertyWebkitColumnBreakBefore:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE_WITH_VALUE(columnBreakBefore, ColumnBreakBefore, PageBreak)
+ return;
+ case CSSPropertyWebkitColumnBreakAfter:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE_WITH_VALUE(columnBreakAfter, ColumnBreakAfter, PageBreak)
+ return;
+ case CSSPropertyWebkitColumnBreakInside: {
+ HANDLE_INHERIT_AND_INITIAL_WITH_VALUE(columnBreakInside, ColumnBreakInside, PageBreak)
+ EPageBreak pb = *primitiveValue;
+ if (pb != PBALWAYS)
+ m_style->setColumnBreakInside(pb);
+ return;
+ }
+ case CSSPropertyWebkitColumnRule:
+ if (isInherit) {
+ m_style->setColumnRuleColor(m_parentStyle->columnRuleColor().isValid() ? m_parentStyle->columnRuleColor() : m_parentStyle->color());
+ m_style->setColumnRuleStyle(m_parentStyle->columnRuleStyle());
+ m_style->setColumnRuleWidth(m_parentStyle->columnRuleWidth());
+ }
+ else if (isInitial)
+ m_style->resetColumnRule();
+ return;
+ case CSSPropertyWebkitColumns:
+ if (isInherit) {
+ if (m_parentStyle->hasAutoColumnWidth())
+ m_style->setHasAutoColumnWidth();
+ else
+ m_style->setColumnWidth(m_parentStyle->columnWidth());
+ m_style->setColumnCount(m_parentStyle->columnCount());
+ } else if (isInitial) {
+ m_style->setHasAutoColumnWidth();
+ m_style->setColumnCount(RenderStyle::initialColumnCount());
+ }
+ return;
+ case CSSPropertyWebkitMarquee:
+ if (valueType != CSSValue::CSS_INHERIT || !m_parentNode) return;
+ m_style->setMarqueeDirection(m_parentStyle->marqueeDirection());
+ m_style->setMarqueeIncrement(m_parentStyle->marqueeIncrement());
+ m_style->setMarqueeSpeed(m_parentStyle->marqueeSpeed());
+ m_style->setMarqueeLoopCount(m_parentStyle->marqueeLoopCount());
+ m_style->setMarqueeBehavior(m_parentStyle->marqueeBehavior());
+ return;
+#if ENABLE(WCSS)
+ case CSSPropertyWapMarqueeLoop:
+#endif
+ case CSSPropertyWebkitMarqueeRepetition: {
+ HANDLE_INHERIT_AND_INITIAL(marqueeLoopCount, MarqueeLoopCount)
+ if (!primitiveValue)
+ return;
+ if (primitiveValue->getIdent() == CSSValueInfinite)
+ m_style->setMarqueeLoopCount(-1); // -1 means repeat forever.
+ else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_NUMBER)
+ m_style->setMarqueeLoopCount(primitiveValue->getIntValue());
+ return;
+ }
+#if ENABLE(WCSS)
+ case CSSPropertyWapMarqueeSpeed:
+#endif
+ case CSSPropertyWebkitMarqueeSpeed: {
+ HANDLE_INHERIT_AND_INITIAL(marqueeSpeed, MarqueeSpeed)
+ if (!primitiveValue)
+ return;
+ if (primitiveValue->getIdent()) {
+ switch (primitiveValue->getIdent()) {
+ case CSSValueSlow:
+ m_style->setMarqueeSpeed(500); // 500 msec.
+ break;
+ case CSSValueNormal:
+ m_style->setMarqueeSpeed(85); // 85msec. The WinIE default.
+ break;
+ case CSSValueFast:
+ m_style->setMarqueeSpeed(10); // 10msec. Super fast.
+ break;
+ }
+ }
+ else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_S)
+ m_style->setMarqueeSpeed(1000 * primitiveValue->getIntValue());
+ else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_MS)
+ m_style->setMarqueeSpeed(primitiveValue->getIntValue());
+ else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_NUMBER) // For scrollamount support.
+ m_style->setMarqueeSpeed(primitiveValue->getIntValue());
+ return;
+ }
+ case CSSPropertyWebkitMarqueeIncrement: {
+ HANDLE_INHERIT_AND_INITIAL(marqueeIncrement, MarqueeIncrement)
+ if (!primitiveValue)
+ return;
+ if (primitiveValue->getIdent()) {
+ switch (primitiveValue->getIdent()) {
+ case CSSValueSmall:
+ m_style->setMarqueeIncrement(Length(1, Fixed)); // 1px.
+ break;
+ case CSSValueNormal:
+ m_style->setMarqueeIncrement(Length(6, Fixed)); // 6px. The WinIE default.
+ break;
+ case CSSValueLarge:
+ m_style->setMarqueeIncrement(Length(36, Fixed)); // 36px.
+ break;
+ }
+ }
+ else {
+ bool ok = true;
+ Length l = convertToLength(primitiveValue, style(), m_rootElementStyle, 1, &ok);
+ if (ok)
+ m_style->setMarqueeIncrement(l);
+ }
+ return;
+ }
+#if ENABLE(WCSS)
+ case CSSPropertyWapMarqueeStyle:
+#endif
+ case CSSPropertyWebkitMarqueeStyle:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(marqueeBehavior, MarqueeBehavior)
+ return;
+#if ENABLE(WCSS)
+ case CSSPropertyWapMarqueeDir:
+ HANDLE_INHERIT_AND_INITIAL(marqueeDirection, MarqueeDirection)
+ if (primitiveValue && primitiveValue->getIdent()) {
+ switch (primitiveValue->getIdent()) {
+ case CSSValueLtr:
+ m_style->setMarqueeDirection(MRIGHT);
+ break;
+ case CSSValueRtl:
+ m_style->setMarqueeDirection(MLEFT);
+ break;
+ default:
+ m_style->setMarqueeDirection(*primitiveValue);
+ break;
+ }
+ }
+ return;
+#endif
+ case CSSPropertyWebkitMarqueeDirection:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(marqueeDirection, MarqueeDirection)
+ return;
+ case CSSPropertyWebkitUserDrag:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(userDrag, UserDrag)
+ return;
+ case CSSPropertyWebkitUserModify:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(userModify, UserModify)
+ return;
+ case CSSPropertyWebkitUserSelect:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(userSelect, UserSelect)
+ return;
+
+ case CSSPropertyTextOverflow: {
+ // This property is supported by WinIE, and so we leave off the "-webkit-" in order to
+ // work with WinIE-specific pages that use the property.
+ HANDLE_INHERIT_AND_INITIAL(textOverflow, TextOverflow)
+ if (!primitiveValue || !primitiveValue->getIdent())
+ return;
+ m_style->setTextOverflow(primitiveValue->getIdent() == CSSValueEllipsis);
+ return;
+ }
+ case CSSPropertyWebkitMarginCollapse: {
+ if (isInherit) {
+ m_style->setMarginTopCollapse(m_parentStyle->marginTopCollapse());
+ m_style->setMarginBottomCollapse(m_parentStyle->marginBottomCollapse());
+ }
+ else if (isInitial) {
+ m_style->setMarginTopCollapse(MCOLLAPSE);
+ m_style->setMarginBottomCollapse(MCOLLAPSE);
+ }
+ return;
+ }
+
+ case CSSPropertyWebkitMarginTopCollapse:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(marginTopCollapse, MarginTopCollapse)
+ return;
+ case CSSPropertyWebkitMarginBottomCollapse:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(marginBottomCollapse, MarginBottomCollapse)
+ return;
+ case CSSPropertyWebkitLineClamp: {
+ HANDLE_INHERIT_AND_INITIAL(lineClamp, LineClamp)
+ if (!primitiveValue)
+ return;
+ int type = primitiveValue->primitiveType();
+ if (type == CSSPrimitiveValue::CSS_NUMBER)
+ m_style->setLineClamp(LineClampValue(primitiveValue->getIntValue(CSSPrimitiveValue::CSS_NUMBER), LineClampLineCount));
+ else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
+ m_style->setLineClamp(LineClampValue(primitiveValue->getIntValue(CSSPrimitiveValue::CSS_PERCENTAGE), LineClampPercentage));
+ return;
+ }
+ case CSSPropertyWebkitHighlight: {
+ HANDLE_INHERIT_AND_INITIAL(highlight, Highlight);
+ if (primitiveValue->getIdent() == CSSValueNone)
+ m_style->setHighlight(nullAtom);
+ else
+ m_style->setHighlight(primitiveValue->getStringValue());
+ return;
+ }
+ case CSSPropertyWebkitHyphens: {
+ HANDLE_INHERIT_AND_INITIAL(hyphens, Hyphens);
+ m_style->setHyphens(*primitiveValue);
+ return;
+ }
+ case CSSPropertyWebkitHyphenateCharacter: {
+ HANDLE_INHERIT_AND_INITIAL(hyphenateCharacter, HyphenateCharacter);
+ if (primitiveValue->getIdent() == CSSValueAuto)
+ m_style->setHyphenateCharacter(nullAtom);
+ else
+ m_style->setHyphenateCharacter(primitiveValue->getStringValue());
+ return;
+ }
+ case CSSPropertyWebkitBorderFit: {
+ HANDLE_INHERIT_AND_INITIAL(borderFit, BorderFit);
+ if (primitiveValue->getIdent() == CSSValueBorder)
+ m_style->setBorderFit(BorderFitBorder);
+ else
+ m_style->setBorderFit(BorderFitLines);
+ return;
+ }
+ case CSSPropertyWebkitTextSizeAdjust: {
+ HANDLE_INHERIT_AND_INITIAL(textSizeAdjust, TextSizeAdjust)
+ if (!primitiveValue || !primitiveValue->getIdent()) return;
+ m_style->setTextSizeAdjust(primitiveValue->getIdent() == CSSValueAuto);
+ m_fontDirty = true;
+ return;
+ }
+ case CSSPropertyWebkitTextSecurity:
+ HANDLE_INHERIT_AND_INITIAL_AND_PRIMITIVE(textSecurity, TextSecurity)
+ return;
+
+#if ENABLE(DASHBOARD_SUPPORT)
+ case CSSPropertyWebkitDashboardRegion: {
+ HANDLE_INHERIT_AND_INITIAL(dashboardRegions, DashboardRegions)
+ if (!primitiveValue)
+ return;
+
+ if (primitiveValue->getIdent() == CSSValueNone) {
+ m_style->setDashboardRegions(RenderStyle::noneDashboardRegions());
+ return;
+ }
+
+ DashboardRegion *region = primitiveValue->getDashboardRegionValue();
+ if (!region)
+ return;
+
+ DashboardRegion *first = region;
+ while (region) {
+ Length top = convertToLength(region->top(), style(), m_rootElementStyle);
+ Length right = convertToLength(region->right(), style(), m_rootElementStyle);
+ Length bottom = convertToLength(region->bottom(), style(), m_rootElementStyle);
+ Length left = convertToLength(region->left(), style(), m_rootElementStyle);
+ if (region->m_isCircle)
+ m_style->setDashboardRegion(StyleDashboardRegion::Circle, region->m_label, top, right, bottom, left, region == first ? false : true);
+ else if (region->m_isRectangle)
+ m_style->setDashboardRegion(StyleDashboardRegion::Rectangle, region->m_label, top, right, bottom, left, region == first ? false : true);
+ region = region->m_next.get();
+ }
+
+ m_element->document()->setHasDashboardRegions(true);
+
+ return;
+ }
+#endif
+ case CSSPropertyWebkitRtlOrdering:
+ HANDLE_INHERIT_AND_INITIAL(visuallyOrdered, VisuallyOrdered)
+ if (!primitiveValue || !primitiveValue->getIdent())
+ return;
+ m_style->setVisuallyOrdered(primitiveValue->getIdent() == CSSValueVisual);
+ return;
+ case CSSPropertyWebkitTextStrokeWidth: {
+ HANDLE_INHERIT_AND_INITIAL(textStrokeWidth, TextStrokeWidth)
+ float width = 0;
+ switch (primitiveValue->getIdent()) {
+ case CSSValueThin:
+ case CSSValueMedium:
+ case CSSValueThick: {
+ double result = 1.0 / 48;
+ if (primitiveValue->getIdent() == CSSValueMedium)
+ result *= 3;
+ else if (primitiveValue->getIdent() == CSSValueThick)
+ result *= 5;
+ width = CSSPrimitiveValue::create(result, CSSPrimitiveValue::CSS_EMS)->computeLengthFloat(style(), m_rootElementStyle, zoomFactor);
+ break;
+ }
+ default:
+ width = primitiveValue->computeLengthFloat(style(), m_rootElementStyle, zoomFactor);
+ break;
+ }
+ m_style->setTextStrokeWidth(width);
+ return;
+ }
+ case CSSPropertyWebkitTransform: {
+ HANDLE_INHERIT_AND_INITIAL(transform, Transform);
+ TransformOperations operations;
+ createTransformOperations(value, style(), m_rootElementStyle, operations);
+ m_style->setTransform(operations);
+ return;
+ }
+ case CSSPropertyWebkitTransformOrigin:
+ HANDLE_INHERIT_AND_INITIAL(transformOriginX, TransformOriginX)
+ HANDLE_INHERIT_AND_INITIAL(transformOriginY, TransformOriginY)
+ HANDLE_INHERIT_AND_INITIAL(transformOriginZ, TransformOriginZ)
+ return;
+ case CSSPropertyWebkitTransformOriginX: {
+ HANDLE_INHERIT_AND_INITIAL(transformOriginX, TransformOriginX)
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ Length l;
+ int type = primitiveValue->primitiveType();
+ if (CSSPrimitiveValue::isUnitTypeLength(type))
+ l = Length(primitiveValue->computeLengthIntForLength(style(), m_rootElementStyle, zoomFactor), Fixed);
+ else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
+ l = Length(primitiveValue->getDoubleValue(), Percent);
+ else
+ return;
+ m_style->setTransformOriginX(l);
+ break;
+ }
+ case CSSPropertyWebkitTransformOriginY: {
+ HANDLE_INHERIT_AND_INITIAL(transformOriginY, TransformOriginY)
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ Length l;
+ int type = primitiveValue->primitiveType();
+ if (CSSPrimitiveValue::isUnitTypeLength(type))
+ l = Length(primitiveValue->computeLengthIntForLength(style(), m_rootElementStyle, zoomFactor), Fixed);
+ else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
+ l = Length(primitiveValue->getDoubleValue(), Percent);
+ else
+ return;
+ m_style->setTransformOriginY(l);
+ break;
+ }
+ case CSSPropertyWebkitTransformOriginZ: {
+ HANDLE_INHERIT_AND_INITIAL(transformOriginZ, TransformOriginZ)
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ float f;
+ int type = primitiveValue->primitiveType();
+ if (CSSPrimitiveValue::isUnitTypeLength(type))
+ f = static_cast<float>(primitiveValue->computeLengthIntForLength(style(), m_rootElementStyle));
+ else
+ return;
+ m_style->setTransformOriginZ(f);
+ break;
+ }
+ case CSSPropertyWebkitTransformStyle:
+ HANDLE_INHERIT_AND_INITIAL(transformStyle3D, TransformStyle3D)
+ if (primitiveValue)
+ m_style->setTransformStyle3D((primitiveValue->getIdent() == CSSValuePreserve3d) ? TransformStyle3DPreserve3D : TransformStyle3DFlat);
+ return;
+ case CSSPropertyWebkitPerspective: {
+ HANDLE_INHERIT_AND_INITIAL(perspective, Perspective)
+ if (primitiveValue && primitiveValue->getIdent() == CSSValueNone) {
+ m_style->setPerspective(0);
+ return;
+ }
+
+ float perspectiveValue;
+ int type = primitiveValue->primitiveType();
+ if (CSSPrimitiveValue::isUnitTypeLength(type))
+ perspectiveValue = static_cast<float>(primitiveValue->computeLengthIntForLength(style(), m_rootElementStyle, zoomFactor));
+ else if (type == CSSPrimitiveValue::CSS_NUMBER) {
+ // For backward compatibility, treat valueless numbers as px.
+ perspectiveValue = CSSPrimitiveValue::create(primitiveValue->getDoubleValue(), CSSPrimitiveValue::CSS_PX)->computeLengthFloat(style(), m_rootElementStyle, zoomFactor);
+ } else
+ return;
+
+ if (perspectiveValue >= 0.0f)
+ m_style->setPerspective(perspectiveValue);
+ return;
+ }
+ case CSSPropertyWebkitPerspectiveOrigin:
+ HANDLE_INHERIT_AND_INITIAL(perspectiveOriginX, PerspectiveOriginX)
+ HANDLE_INHERIT_AND_INITIAL(perspectiveOriginY, PerspectiveOriginY)
+ return;
+ case CSSPropertyWebkitPerspectiveOriginX: {
+ HANDLE_INHERIT_AND_INITIAL(perspectiveOriginX, PerspectiveOriginX)
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ Length l;
+ int type = primitiveValue->primitiveType();
+ if (CSSPrimitiveValue::isUnitTypeLength(type))
+ l = Length(primitiveValue->computeLengthIntForLength(style(), m_rootElementStyle, zoomFactor), Fixed);
+ else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
+ l = Length(primitiveValue->getDoubleValue(), Percent);
+ else
+ return;
+ m_style->setPerspectiveOriginX(l);
+ return;
+ }
+ case CSSPropertyWebkitPerspectiveOriginY: {
+ HANDLE_INHERIT_AND_INITIAL(perspectiveOriginY, PerspectiveOriginY)
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ Length l;
+ int type = primitiveValue->primitiveType();
+ if (CSSPrimitiveValue::isUnitTypeLength(type))
+ l = Length(primitiveValue->computeLengthIntForLength(style(), m_rootElementStyle, zoomFactor), Fixed);
+ else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
+ l = Length(primitiveValue->getDoubleValue(), Percent);
+ else
+ return;
+ m_style->setPerspectiveOriginY(l);
+ return;
+ }
+ case CSSPropertyWebkitAnimation:
+ if (isInitial)
+ m_style->clearAnimations();
+ else if (isInherit)
+ m_style->inheritAnimations(m_parentStyle->animations());
+ return;
+ case CSSPropertyWebkitAnimationDelay:
+ HANDLE_ANIMATION_VALUE(delay, Delay, value)
+ return;
+ case CSSPropertyWebkitAnimationDirection:
+ HANDLE_ANIMATION_VALUE(direction, Direction, value)
+ return;
+ case CSSPropertyWebkitAnimationDuration:
+ HANDLE_ANIMATION_VALUE(duration, Duration, value)
+ return;
+ case CSSPropertyWebkitAnimationFillMode:
+ HANDLE_ANIMATION_VALUE(fillMode, FillMode, value)
+ return;
+ case CSSPropertyWebkitAnimationIterationCount:
+ HANDLE_ANIMATION_VALUE(iterationCount, IterationCount, value)
+ return;
+ case CSSPropertyWebkitAnimationName:
+ HANDLE_ANIMATION_VALUE(name, Name, value)
+ return;
+ case CSSPropertyWebkitAnimationPlayState:
+ HANDLE_ANIMATION_VALUE(playState, PlayState, value)
+ return;
+ case CSSPropertyWebkitAnimationTimingFunction:
+ HANDLE_ANIMATION_VALUE(timingFunction, TimingFunction, value)
+ return;
+ case CSSPropertyWebkitTransition:
+ if (isInitial)
+ m_style->clearTransitions();
+ else if (isInherit)
+ m_style->inheritTransitions(m_parentStyle->transitions());
+ return;
+ case CSSPropertyWebkitTransitionDelay:
+ HANDLE_TRANSITION_VALUE(delay, Delay, value)
+ return;
+ case CSSPropertyWebkitTransitionDuration:
+ HANDLE_TRANSITION_VALUE(duration, Duration, value)
+ return;
+ case CSSPropertyWebkitTransitionProperty:
+ HANDLE_TRANSITION_VALUE(property, Property, value)
+ return;
+ case CSSPropertyWebkitTransitionTimingFunction:
+ HANDLE_TRANSITION_VALUE(timingFunction, TimingFunction, value)
+ return;
+#if 0 // :HACK:
+ case CSSPropertyWebkitHapticTapType: {
+ HANDLE_INHERIT_AND_INITIAL(hapticTapType, HapticTapType)
+ m_style->setHapticTapType(*primitiveValue);
+ return;
+ }
+ case CSSPropertyWebkitHapticTapStrength: {
+ HANDLE_INHERIT_AND_INITIAL(hapticTapStrength, HapticTapStrength)
+ m_style->setHapticTapStrength(*primitiveValue);
+ return;
+ }
+ case CSSPropertyWebkitHapticTap: {
+ if (isInherit) {
+ m_style->setHapticTapType(m_parentStyle->hapticTapType());
+ m_style->setHapticTapStrength(m_parentStyle->hapticTapStrength());
+ } else if (isInitial) {
+ m_style->setHapticTapType(RenderStyle::initialHapticTapType());
+ m_style->setHapticTapStrength(RenderStyle::initialHapticTapStrength());
+ }
+ return;
+ }
+#endif // ENABLE(HAPTICS)
+ case CSSPropertyPointerEvents:
+ {
+#if ENABLE(DASHBOARD_SUPPORT)
+ // <rdar://problem/6561077> Work around the Stocks widget's misuse of the
+ // pointer-events property by not applying it in Dashboard.
+ Settings* settings = m_checker.m_document->settings();
+ if (settings && settings->usesDashboardBackwardCompatibilityMode())
+ return;
+#endif
+ HANDLE_INHERIT_AND_INITIAL(pointerEvents, PointerEvents)
+ if (!primitiveValue)
+ return;
+ m_style->setPointerEvents(*primitiveValue);
+ return;
+ }
+ case CSSPropertyWebkitColorCorrection:
+ if (isInherit)
+ m_style->setColorSpace(m_parentStyle->colorSpace());
+ else if (isInitial)
+ m_style->setColorSpace(DeviceColorSpace);
+ else {
+ if (!primitiveValue)
+ return;
+ m_style->setColorSpace(*primitiveValue);
+ }
+ return;
+ case CSSPropertySize:
+ applyPageSizeProperty(value);
+ return;
+ case CSSPropertyInvalid:
+ return;
+
+ // Directional properties are resolved by resolveDirectionAwareProperty() before the switch.
+ case CSSPropertyWebkitBorderEnd:
+ case CSSPropertyWebkitBorderEndColor:
+ case CSSPropertyWebkitBorderEndStyle:
+ case CSSPropertyWebkitBorderEndWidth:
+ case CSSPropertyWebkitBorderStart:
+ case CSSPropertyWebkitBorderStartColor:
+ case CSSPropertyWebkitBorderStartStyle:
+ case CSSPropertyWebkitBorderStartWidth:
+ case CSSPropertyWebkitMarginEnd:
+ case CSSPropertyWebkitMarginStart:
+ case CSSPropertyWebkitPaddingEnd:
+ case CSSPropertyWebkitPaddingStart:
+ ASSERT_NOT_REACHED();
+ break;
+
+ case CSSPropertyFontStretch:
+ case CSSPropertyPage:
+ case CSSPropertyQuotes:
+ case CSSPropertyTextLineThrough:
+ case CSSPropertyTextLineThroughColor:
+ case CSSPropertyTextLineThroughMode:
+ case CSSPropertyTextLineThroughStyle:
+ case CSSPropertyTextLineThroughWidth:
+ case CSSPropertyTextOverline:
+ case CSSPropertyTextOverlineColor:
+ case CSSPropertyTextOverlineMode:
+ case CSSPropertyTextOverlineStyle:
+ case CSSPropertyTextOverlineWidth:
+ case CSSPropertyTextUnderline:
+ case CSSPropertyTextUnderlineColor:
+ case CSSPropertyTextUnderlineMode:
+ case CSSPropertyTextUnderlineStyle:
+ case CSSPropertyTextUnderlineWidth:
+ case CSSPropertyWebkitFontSizeDelta:
+ case CSSPropertyWebkitTextDecorationsInEffect:
+ case CSSPropertyWebkitTextStroke:
+ case CSSPropertyWebkitVariableDeclarationBlock:
+ return;
+#if ENABLE(WCSS)
+ case CSSPropertyWapInputFormat:
+ if (primitiveValue && m_element->hasTagName(WebCore::inputTag)) {
+ String mask = primitiveValue->getStringValue();
+ static_cast<HTMLInputElement*>(m_element)->setWapInputFormat(mask);
+ }
+ return;
+
+ case CSSPropertyWapInputRequired:
+ if (primitiveValue && m_element->isFormControlElement()) {
+ HTMLFormControlElement* element = static_cast<HTMLFormControlElement*>(m_element);
+ bool required = primitiveValue->getStringValue() == "true";
+ element->setRequired(required);
+ }
+ return;
+#endif
+
+#if ENABLE(SVG)
+ default:
+ // Try the SVG properties
+ applySVGProperty(id, value);
+#endif
+ }
+}
+
+void CSSStyleSelector::applyPageSizeProperty(CSSValue* value)
+{
+ m_style->resetPageSizeType();
+ if (!value->isValueList())
+ return;
+ CSSValueList* valueList = static_cast<CSSValueList*>(value);
+ Length width;
+ Length height;
+ PageSizeType pageSizeType = PAGE_SIZE_AUTO;
+ switch (valueList->length()) {
+ case 2: {
+ // <length>{2} | <page-size> <orientation>
+ pageSizeType = PAGE_SIZE_RESOLVED;
+ if (!valueList->item(0)->isPrimitiveValue() || !valueList->item(1)->isPrimitiveValue())
+ return;
+ CSSPrimitiveValue* primitiveValue0 = static_cast<CSSPrimitiveValue*>(valueList->item(0));
+ CSSPrimitiveValue* primitiveValue1 = static_cast<CSSPrimitiveValue*>(valueList->item(1));
+ int type0 = primitiveValue0->primitiveType();
+ int type1 = primitiveValue1->primitiveType();
+ if (CSSPrimitiveValue::isUnitTypeLength(type0)) {
+ // <length>{2}
+ if (!CSSPrimitiveValue::isUnitTypeLength(type1))
+ return;
+ width = Length(primitiveValue0->computeLengthIntForLength(style(), m_rootElementStyle), Fixed);
+ height = Length(primitiveValue1->computeLengthIntForLength(style(), m_rootElementStyle), Fixed);
+ } else {
+ // <page-size> <orientation>
+ // The value order is guaranteed. See CSSParser::parseSizeParameter.
+ if (!pageSizeFromName(primitiveValue0, primitiveValue1, width, height))
+ return;
+ }
+ break;
+ }
+ case 1: {
+ // <length> | auto | <page-size> | [ portrait | landscape]
+ if (!valueList->item(0)->isPrimitiveValue())
+ return;
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(valueList->item(0));
+ int type = primitiveValue->primitiveType();
+ if (CSSPrimitiveValue::isUnitTypeLength(type)) {
+ // <length>
+ pageSizeType = PAGE_SIZE_RESOLVED;
+ width = height = Length(primitiveValue->computeLengthIntForLength(style(), m_rootElementStyle), Fixed);
+ } else {
+ if (type != CSSPrimitiveValue::CSS_IDENT)
+ return;
+ switch (primitiveValue->getIdent()) {
+ case CSSValueAuto:
+ pageSizeType = PAGE_SIZE_AUTO;
+ break;
+ case CSSValuePortrait:
+ pageSizeType = PAGE_SIZE_AUTO_PORTRAIT;
+ break;
+ case CSSValueLandscape:
+ pageSizeType = PAGE_SIZE_AUTO_LANDSCAPE;
+ break;
+ default:
+ // <page-size>
+ pageSizeType = PAGE_SIZE_RESOLVED;
+ if (!pageSizeFromName(primitiveValue, 0, width, height))
+ return;
+ }
+ }
+ break;
+ }
+ default:
+ return;
+ }
+ m_style->setPageSizeType(pageSizeType);
+ m_style->setPageSize(LengthSize(width, height));
+ return;
+}
+
+bool CSSStyleSelector::pageSizeFromName(CSSPrimitiveValue* pageSizeName, CSSPrimitiveValue* pageOrientation, Length& width, Length& height)
+{
+ static const Length a5Width = mmLength(148), a5Height = mmLength(210);
+ static const Length a4Width = mmLength(210), a4Height = mmLength(297);
+ static const Length a3Width = mmLength(297), a3Height = mmLength(420);
+ static const Length b5Width = mmLength(176), b5Height = mmLength(250);
+ static const Length b4Width = mmLength(250), b4Height = mmLength(353);
+ static const Length letterWidth = inchLength(8.5), letterHeight = inchLength(11);
+ static const Length legalWidth = inchLength(8.5), legalHeight = inchLength(14);
+ static const Length ledgerWidth = inchLength(11), ledgerHeight = inchLength(17);
+
+ if (!pageSizeName || pageSizeName->primitiveType() != CSSPrimitiveValue::CSS_IDENT)
+ return false;
+
+ switch (pageSizeName->getIdent()) {
+ case CSSValueA5:
+ width = a5Width;
+ height = a5Height;
+ break;
+ case CSSValueA4:
+ width = a4Width;
+ height = a4Height;
+ break;
+ case CSSValueA3:
+ width = a3Width;
+ height = a3Height;
+ break;
+ case CSSValueB5:
+ width = b5Width;
+ height = b5Height;
+ break;
+ case CSSValueB4:
+ width = b4Width;
+ height = b4Height;
+ break;
+ case CSSValueLetter:
+ width = letterWidth;
+ height = letterHeight;
+ break;
+ case CSSValueLegal:
+ width = legalWidth;
+ height = legalHeight;
+ break;
+ case CSSValueLedger:
+ width = ledgerWidth;
+ height = ledgerHeight;
+ break;
+ default:
+ return false;
+ }
+
+ if (pageOrientation) {
+ if (pageOrientation->primitiveType() != CSSPrimitiveValue::CSS_IDENT)
+ return false;
+ switch (pageOrientation->getIdent()) {
+ case CSSValueLandscape:
+ std::swap(width, height);
+ break;
+ case CSSValuePortrait:
+ // Nothing to do.
+ break;
+ default:
+ return false;
+ }
+ }
+ return true;
+}
+
+Length CSSStyleSelector::mmLength(double mm)
+{
+ return Length(CSSPrimitiveValue::create(mm, CSSPrimitiveValue::CSS_MM)->computeLengthIntForLength(style(), m_rootElementStyle), Fixed);
+}
+
+Length CSSStyleSelector::inchLength(double inch)
+{
+ return Length(CSSPrimitiveValue::create(inch, CSSPrimitiveValue::CSS_IN)->computeLengthIntForLength(style(), m_rootElementStyle), Fixed);
+}
+
+void CSSStyleSelector::mapFillAttachment(FillLayer* layer, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ layer->setAttachment(FillLayer::initialFillAttachment(layer->type()));
+ return;
+ }
+
+ if (!value->isPrimitiveValue())
+ return;
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ switch (primitiveValue->getIdent()) {
+ case CSSValueFixed:
+ layer->setAttachment(FixedBackgroundAttachment);
+ break;
+ case CSSValueScroll:
+ layer->setAttachment(ScrollBackgroundAttachment);
+ break;
+ case CSSValueLocal:
+ layer->setAttachment(LocalBackgroundAttachment);
+ break;
+ default:
+ return;
+ }
+}
+
+void CSSStyleSelector::mapFillClip(FillLayer* layer, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ layer->setClip(FillLayer::initialFillClip(layer->type()));
+ return;
+ }
+
+ if (!value->isPrimitiveValue())
+ return;
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ layer->setClip(*primitiveValue);
+}
+
+void CSSStyleSelector::mapFillComposite(FillLayer* layer, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ layer->setComposite(FillLayer::initialFillComposite(layer->type()));
+ return;
+ }
+
+ if (!value->isPrimitiveValue())
+ return;
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ layer->setComposite(*primitiveValue);
+}
+
+void CSSStyleSelector::mapFillOrigin(FillLayer* layer, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ layer->setOrigin(FillLayer::initialFillOrigin(layer->type()));
+ return;
+ }
+
+ if (!value->isPrimitiveValue())
+ return;
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ layer->setOrigin(*primitiveValue);
+}
+
+StyleImage* CSSStyleSelector::styleImage(CSSValue* value)
+{
+ if (value->isImageValue())
+ return static_cast<CSSImageValue*>(value)->cachedImage(m_element->document()->docLoader());
+ if (value->isImageGeneratorValue())
+ return static_cast<CSSImageGeneratorValue*>(value)->generatedImage();
+ return 0;
+}
+
+void CSSStyleSelector::mapFillImage(FillLayer* layer, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ layer->setImage(FillLayer::initialFillImage(layer->type()));
+ return;
+ }
+
+ layer->setImage(styleImage(value));
+}
+
+void CSSStyleSelector::mapFillRepeatX(FillLayer* layer, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ layer->setRepeatX(FillLayer::initialFillRepeatX(layer->type()));
+ return;
+ }
+
+ if (!value->isPrimitiveValue())
+ return;
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ layer->setRepeatX(*primitiveValue);
+}
+
+void CSSStyleSelector::mapFillRepeatY(FillLayer* layer, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ layer->setRepeatY(FillLayer::initialFillRepeatY(layer->type()));
+ return;
+ }
+
+ if (!value->isPrimitiveValue())
+ return;
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ layer->setRepeatY(*primitiveValue);
+}
+
+void CSSStyleSelector::mapFillSize(FillLayer* layer, CSSValue* value)
+{
+ if (!value->isPrimitiveValue()) {
+ layer->setSizeType(SizeNone);
+ return;
+ }
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ if (primitiveValue->getIdent() == CSSValueContain)
+ layer->setSizeType(Contain);
+ else if (primitiveValue->getIdent() == CSSValueCover)
+ layer->setSizeType(Cover);
+ else
+ layer->setSizeType(SizeLength);
+
+ LengthSize b = FillLayer::initialFillSizeLength(layer->type());
+
+ if (value->cssValueType() == CSSValue::CSS_INITIAL || primitiveValue->getIdent() == CSSValueContain
+ || primitiveValue->getIdent() == CSSValueCover) {
+ layer->setSizeLength(b);
+ return;
+ }
+
+ Pair* pair = primitiveValue->getPairValue();
+ if (!pair)
+ return;
+
+ CSSPrimitiveValue* first = static_cast<CSSPrimitiveValue*>(pair->first());
+ CSSPrimitiveValue* second = static_cast<CSSPrimitiveValue*>(pair->second());
+
+ if (!first || !second)
+ return;
+
+ Length firstLength, secondLength;
+ int firstType = first->primitiveType();
+ int secondType = second->primitiveType();
+
+ float zoomFactor = m_style->effectiveZoom();
+
+ if (firstType == CSSPrimitiveValue::CSS_UNKNOWN)
+ firstLength = Length(Auto);
+ else if (CSSPrimitiveValue::isUnitTypeLength(firstType))
+ firstLength = Length(first->computeLengthIntForLength(style(), m_rootElementStyle, zoomFactor), Fixed);
+ else if (firstType == CSSPrimitiveValue::CSS_PERCENTAGE)
+ firstLength = Length(first->getDoubleValue(), Percent);
+ else
+ return;
+
+ if (secondType == CSSPrimitiveValue::CSS_UNKNOWN)
+ secondLength = Length(Auto);
+ else if (CSSPrimitiveValue::isUnitTypeLength(secondType))
+ secondLength = Length(second->computeLengthIntForLength(style(), m_rootElementStyle, zoomFactor), Fixed);
+ else if (secondType == CSSPrimitiveValue::CSS_PERCENTAGE)
+ secondLength = Length(second->getDoubleValue(), Percent);
+ else
+ return;
+
+ b.setWidth(firstLength);
+ b.setHeight(secondLength);
+ layer->setSizeLength(b);
+}
+
+void CSSStyleSelector::mapFillXPosition(FillLayer* layer, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ layer->setXPosition(FillLayer::initialFillXPosition(layer->type()));
+ return;
+ }
+
+ if (!value->isPrimitiveValue())
+ return;
+
+ float zoomFactor = m_style->effectiveZoom();
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ Length l;
+ int type = primitiveValue->primitiveType();
+ if (CSSPrimitiveValue::isUnitTypeLength(type))
+ l = Length(primitiveValue->computeLengthIntForLength(style(), m_rootElementStyle, zoomFactor), Fixed);
+ else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
+ l = Length(primitiveValue->getDoubleValue(), Percent);
+ else
+ return;
+ layer->setXPosition(l);
+}
+
+void CSSStyleSelector::mapFillYPosition(FillLayer* layer, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ layer->setYPosition(FillLayer::initialFillYPosition(layer->type()));
+ return;
+ }
+
+ if (!value->isPrimitiveValue())
+ return;
+
+ float zoomFactor = m_style->effectiveZoom();
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ Length l;
+ int type = primitiveValue->primitiveType();
+ if (CSSPrimitiveValue::isUnitTypeLength(type))
+ l = Length(primitiveValue->computeLengthIntForLength(style(), m_rootElementStyle, zoomFactor), Fixed);
+ else if (type == CSSPrimitiveValue::CSS_PERCENTAGE)
+ l = Length(primitiveValue->getDoubleValue(), Percent);
+ else
+ return;
+ layer->setYPosition(l);
+}
+
+void CSSStyleSelector::mapAnimationDelay(Animation* animation, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ animation->setDelay(Animation::initialAnimationDelay());
+ return;
+ }
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_S)
+ animation->setDelay(primitiveValue->getFloatValue());
+ else
+ animation->setDelay(primitiveValue->getFloatValue()/1000.0f);
+}
+
+void CSSStyleSelector::mapAnimationDirection(Animation* layer, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ layer->setDirection(Animation::initialAnimationDirection());
+ return;
+ }
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ layer->setDirection(primitiveValue->getIdent() == CSSValueAlternate ? Animation::AnimationDirectionAlternate : Animation::AnimationDirectionNormal);
+}
+
+void CSSStyleSelector::mapAnimationDuration(Animation* animation, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ animation->setDuration(Animation::initialAnimationDuration());
+ return;
+ }
+
+ if (!value->isPrimitiveValue())
+ return;
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_S)
+ animation->setDuration(primitiveValue->getFloatValue());
+ else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_MS)
+ animation->setDuration(primitiveValue->getFloatValue()/1000.0f);
+}
+
+void CSSStyleSelector::mapAnimationFillMode(Animation* layer, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ layer->setFillMode(Animation::initialAnimationFillMode());
+ return;
+ }
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ switch (primitiveValue->getIdent()) {
+ case CSSValueNone:
+ layer->setFillMode(AnimationFillModeNone);
+ break;
+ case CSSValueForwards:
+ layer->setFillMode(AnimationFillModeForwards);
+ break;
+ case CSSValueBackwards:
+ layer->setFillMode(AnimationFillModeBackwards);
+ break;
+ case CSSValueBoth:
+ layer->setFillMode(AnimationFillModeBoth);
+ break;
+ }
+}
+
+void CSSStyleSelector::mapAnimationIterationCount(Animation* animation, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ animation->setIterationCount(Animation::initialAnimationIterationCount());
+ return;
+ }
+
+ if (!value->isPrimitiveValue())
+ return;
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ if (primitiveValue->getIdent() == CSSValueInfinite)
+ animation->setIterationCount(-1);
+ else
+ animation->setIterationCount(int(primitiveValue->getFloatValue()));
+}
+
+void CSSStyleSelector::mapAnimationName(Animation* layer, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ layer->setName(Animation::initialAnimationName());
+ return;
+ }
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+
+ if (primitiveValue->getIdent() == CSSValueNone)
+ layer->setIsNoneAnimation(true);
+ else
+ layer->setName(primitiveValue->getStringValue());
+}
+
+void CSSStyleSelector::mapAnimationPlayState(Animation* layer, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ layer->setPlayState(Animation::initialAnimationPlayState());
+ return;
+ }
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ EAnimPlayState playState = (primitiveValue->getIdent() == CSSValuePaused) ? AnimPlayStatePaused : AnimPlayStatePlaying;
+ layer->setPlayState(playState);
+}
+
+void CSSStyleSelector::mapAnimationProperty(Animation* animation, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ animation->setProperty(Animation::initialAnimationProperty());
+ return;
+ }
+
+ if (!value->isPrimitiveValue())
+ return;
+
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ if (primitiveValue->getIdent() == CSSValueAll)
+ animation->setProperty(cAnimateAll);
+ else if (primitiveValue->getIdent() == CSSValueNone)
+ animation->setProperty(cAnimateNone);
+ else
+ animation->setProperty(static_cast<CSSPropertyID>(primitiveValue->getIdent()));
+}
+
+void CSSStyleSelector::mapAnimationTimingFunction(Animation* animation, CSSValue* value)
+{
+ if (value->cssValueType() == CSSValue::CSS_INITIAL) {
+ animation->setTimingFunction(Animation::initialAnimationTimingFunction());
+ return;
+ }
+
+ if (value->isPrimitiveValue()) {
+ CSSPrimitiveValue* primitiveValue = static_cast<CSSPrimitiveValue*>(value);
+ switch (primitiveValue->getIdent()) {
+ case CSSValueLinear:
+ animation->setTimingFunction(TimingFunction(LinearTimingFunction, 0.0, 0.0, 1.0, 1.0));
+ break;
+ case CSSValueEase:
+ animation->setTimingFunction(TimingFunction());
+ break;
+ case CSSValueEaseIn:
+ animation->setTimingFunction(TimingFunction(CubicBezierTimingFunction, 0.42, 0.0, 1.0, 1.0));
+ break;
+ case CSSValueEaseOut:
+ animation->setTimingFunction(TimingFunction(CubicBezierTimingFunction, 0.0, 0.0, 0.58, 1.0));
+ break;
+ case CSSValueEaseInOut:
+ animation->setTimingFunction(TimingFunction(CubicBezierTimingFunction, 0.42, 0.0, 0.58, 1.0));
+ break;
+ }
+ return;
+ }
+
+ if (value->isTimingFunctionValue()) {
+ CSSTimingFunctionValue* timingFunction = static_cast<CSSTimingFunctionValue*>(value);
+ animation->setTimingFunction(TimingFunction(CubicBezierTimingFunction, timingFunction->x1(), timingFunction->y1(), timingFunction->x2(), timingFunction->y2()));
+ }
+}
+
+void CSSStyleSelector::mapNinePieceImage(CSSValue* value, NinePieceImage& image)
+{
+ // If we're a primitive value, then we are "none" and don't need to alter the empty image at all.
+ if (!value || value->isPrimitiveValue())
+ return;
+
+ // Retrieve the border image value.
+ CSSBorderImageValue* borderImage = static_cast<CSSBorderImageValue*>(value);
+
+ // Set the image (this kicks off the load).
+ image.setImage(styleImage(borderImage->imageValue()));
+
+ // Set up a length box to represent our image slices.
+ LengthBox l;
+ Rect* r = borderImage->m_imageSliceRect.get();
+ if (r->top()->primitiveType() == CSSPrimitiveValue::CSS_PERCENTAGE)
+ l.m_top = Length(r->top()->getDoubleValue(), Percent);
+ else
+ l.m_top = Length(r->top()->getIntValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
+ if (r->bottom()->primitiveType() == CSSPrimitiveValue::CSS_PERCENTAGE)
+ l.m_bottom = Length(r->bottom()->getDoubleValue(), Percent);
+ else
+ l.m_bottom = Length((int)r->bottom()->getFloatValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
+ if (r->left()->primitiveType() == CSSPrimitiveValue::CSS_PERCENTAGE)
+ l.m_left = Length(r->left()->getDoubleValue(), Percent);
+ else
+ l.m_left = Length(r->left()->getIntValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
+ if (r->right()->primitiveType() == CSSPrimitiveValue::CSS_PERCENTAGE)
+ l.m_right = Length(r->right()->getDoubleValue(), Percent);
+ else
+ l.m_right = Length(r->right()->getIntValue(CSSPrimitiveValue::CSS_NUMBER), Fixed);
+ image.setSlices(l);
+
+ // Set the appropriate rules for stretch/round/repeat of the slices
+ ENinePieceImageRule horizontalRule;
+ switch (borderImage->m_horizontalSizeRule) {
+ case CSSValueStretch:
+ horizontalRule = StretchImageRule;
+ break;
+ case CSSValueRound:
+ horizontalRule = RoundImageRule;
+ break;
+ default: // CSSValueRepeat
+ horizontalRule = RepeatImageRule;
+ break;
+ }
+ image.setHorizontalRule(horizontalRule);
+
+ ENinePieceImageRule verticalRule;
+ switch (borderImage->m_verticalSizeRule) {
+ case CSSValueStretch:
+ verticalRule = StretchImageRule;
+ break;
+ case CSSValueRound:
+ verticalRule = RoundImageRule;
+ break;
+ default: // CSSValueRepeat
+ verticalRule = RepeatImageRule;
+ break;
+ }
+ image.setVerticalRule(verticalRule);
+}
+
+void CSSStyleSelector::checkForTextSizeAdjust()
+{
+ if (m_style->textSizeAdjust())
+ return;
+
+ FontDescription newFontDescription(m_style->fontDescription());
+ newFontDescription.setComputedSize(newFontDescription.specifiedSize());
+ m_style->setFontDescription(newFontDescription);
+}
+
+void CSSStyleSelector::checkForZoomChange(RenderStyle* style, RenderStyle* parentStyle)
+{
+ if (style->effectiveZoom() == parentStyle->effectiveZoom())
+ return;
+
+ const FontDescription& childFont = style->fontDescription();
+ FontDescription newFontDescription(childFont);
+ setFontSize(newFontDescription, childFont.specifiedSize());
+ style->setFontDescription(newFontDescription);
+}
+
+void CSSStyleSelector::checkForGenericFamilyChange(RenderStyle* style, RenderStyle* parentStyle)
+{
+ const FontDescription& childFont = style->fontDescription();
+
+ if (childFont.isAbsoluteSize() || !parentStyle)
+ return;
+
+ const FontDescription& parentFont = parentStyle->fontDescription();
+ if (childFont.useFixedDefaultSize() == parentFont.useFixedDefaultSize())
+ return;
+
+ // For now, lump all families but monospace together.
+ if (childFont.genericFamily() != FontDescription::MonospaceFamily &&
+ parentFont.genericFamily() != FontDescription::MonospaceFamily)
+ return;
+
+ // We know the parent is monospace or the child is monospace, and that font
+ // size was unspecified. We want to scale our font size as appropriate.
+ // If the font uses a keyword size, then we refetch from the table rather than
+ // multiplying by our scale factor.
+ float size;
+ if (childFont.keywordSize())
+ size = fontSizeForKeyword(m_checker.m_document, CSSValueXxSmall + childFont.keywordSize() - 1, childFont.useFixedDefaultSize());
+ else {
+ Settings* settings = m_checker.m_document->settings();
+ float fixedScaleFactor = settings
+ ? static_cast<float>(settings->defaultFixedFontSize()) / settings->defaultFontSize()
+ : 1;
+ size = parentFont.useFixedDefaultSize() ?
+ childFont.specifiedSize() / fixedScaleFactor :
+ childFont.specifiedSize() * fixedScaleFactor;
+ }
+
+ FontDescription newFontDescription(childFont);
+ setFontSize(newFontDescription, size);
+ style->setFontDescription(newFontDescription);
+}
+
+void CSSStyleSelector::setFontSize(FontDescription& fontDescription, float size)
+{
+ fontDescription.setSpecifiedSize(size);
+
+ bool useSVGZoomRules = m_element && m_element->isSVGElement();
+ fontDescription.setComputedSize(getComputedSizeFromSpecifiedSize(m_checker.m_document, m_style.get(), fontDescription.isAbsoluteSize(), size, useSVGZoomRules));
+}
+
+float CSSStyleSelector::getComputedSizeFromSpecifiedSize(Document* document, RenderStyle* style, bool isAbsoluteSize, float specifiedSize, bool useSVGZoomRules)
+{
+ float zoomFactor = 1.0f;
+ if (!useSVGZoomRules) {
+ zoomFactor = style->effectiveZoom();
+ if (document->view() && document->view()->shouldApplyTextZoom())
+ zoomFactor *= document->view()->textZoomFactor();
+ }
+
+ // We support two types of minimum font size. The first is a hard override that applies to
+ // all fonts. This is "minSize." The second type of minimum font size is a "smart minimum"
+ // that is applied only when the Web page can't know what size it really asked for, e.g.,
+ // when it uses logical sizes like "small" or expresses the font-size as a percentage of
+ // the user's default font setting.
+
+ // With the smart minimum, we never want to get smaller than the minimum font size to keep fonts readable.
+ // However we always allow the page to set an explicit pixel size that is smaller,
+ // since sites will mis-render otherwise (e.g., http://www.gamespot.com with a 9px minimum).
+
+ Settings* settings = document->settings();
+ if (!settings)
+ return 1.0f;
+
+ int minSize = settings->minimumFontSize();
+ int minLogicalSize = settings->minimumLogicalFontSize();
+ float zoomedSize = specifiedSize * zoomFactor;
+
+ // Apply the hard minimum first. We only apply the hard minimum if after zooming we're still too small.
+ if (zoomedSize < minSize)
+ zoomedSize = minSize;
+
+ // Now apply the "smart minimum." This minimum is also only applied if we're still too small
+ // after zooming. The font size must either be relative to the user default or the original size
+ // must have been acceptable. In other words, we only apply the smart minimum whenever we're positive
+ // doing so won't disrupt the layout.
+ if (zoomedSize < minLogicalSize && (specifiedSize >= minLogicalSize || !isAbsoluteSize))
+ zoomedSize = minLogicalSize;
+
+ // Also clamp to a reasonable maximum to prevent insane font sizes from causing crashes on various
+ // platforms (I'm looking at you, Windows.)
+ return min(1000000.0f, max(zoomedSize, 1.0f));
+}
+
+const int fontSizeTableMax = 16;
+const int fontSizeTableMin = 9;
+const int totalKeywords = 8;
+
+// WinIE/Nav4 table for font sizes. Designed to match the legacy font mapping system of HTML.
+static const int quirksFontSizeTable[fontSizeTableMax - fontSizeTableMin + 1][totalKeywords] =
+{
+ { 9, 9, 9, 9, 11, 14, 18, 28 },
+ { 9, 9, 9, 10, 12, 15, 20, 31 },
+ { 9, 9, 9, 11, 13, 17, 22, 34 },
+ { 9, 9, 10, 12, 14, 18, 24, 37 },
+ { 9, 9, 10, 13, 16, 20, 26, 40 }, // fixed font default (13)
+ { 9, 9, 11, 14, 17, 21, 28, 42 },
+ { 9, 10, 12, 15, 17, 23, 30, 45 },
+ { 9, 10, 13, 16, 18, 24, 32, 48 } // proportional font default (16)
+};
+// HTML 1 2 3 4 5 6 7
+// CSS xxs xs s m l xl xxl
+// |
+// user pref
+
+// Strict mode table matches MacIE and Mozilla's settings exactly.
+static const int strictFontSizeTable[fontSizeTableMax - fontSizeTableMin + 1][totalKeywords] =
+{
+ { 9, 9, 9, 9, 11, 14, 18, 27 },
+ { 9, 9, 9, 10, 12, 15, 20, 30 },
+ { 9, 9, 10, 11, 13, 17, 22, 33 },
+ { 9, 9, 10, 12, 14, 18, 24, 36 },
+ { 9, 10, 12, 13, 16, 20, 26, 39 }, // fixed font default (13)
+ { 9, 10, 12, 14, 17, 21, 28, 42 },
+ { 9, 10, 13, 15, 18, 23, 30, 45 },
+ { 9, 10, 13, 16, 18, 24, 32, 48 } // proportional font default (16)
+};
+// HTML 1 2 3 4 5 6 7
+// CSS xxs xs s m l xl xxl
+// |
+// user pref
+
+// For values outside the range of the table, we use Todd Fahrner's suggested scale
+// factors for each keyword value.
+static const float fontSizeFactors[totalKeywords] = { 0.60f, 0.75f, 0.89f, 1.0f, 1.2f, 1.5f, 2.0f, 3.0f };
+
+float CSSStyleSelector::fontSizeForKeyword(Document* document, int keyword, bool fixed)
+{
+ Settings* settings = document->settings();
+ if (!settings)
+ return 1.0f;
+
+ bool quirksMode = document->inCompatMode();
+ int mediumSize = fixed ? settings->defaultFixedFontSize() : settings->defaultFontSize();
+ if (mediumSize >= fontSizeTableMin && mediumSize <= fontSizeTableMax) {
+ // Look up the entry in the table.
+ int row = mediumSize - fontSizeTableMin;
+ int col = (keyword - CSSValueXxSmall);
+ return quirksMode ? quirksFontSizeTable[row][col] : strictFontSizeTable[row][col];
+ }
+
+ // Value is outside the range of the table. Apply the scale factor instead.
+ float minLogicalSize = max(settings->minimumLogicalFontSize(), 1);
+ return max(fontSizeFactors[keyword - CSSValueXxSmall]*mediumSize, minLogicalSize);
+}
+
+float CSSStyleSelector::largerFontSize(float size, bool) const
+{
+ // FIXME: Figure out where we fall in the size ranges (xx-small to xxx-large) and scale up to
+ // the next size level.
+ return size * 1.2f;
+}
+
+float CSSStyleSelector::smallerFontSize(float size, bool) const
+{
+ // FIXME: Figure out where we fall in the size ranges (xx-small to xxx-large) and scale down to
+ // the next size level.
+ return size / 1.2f;
+}
+
+static Color colorForCSSValue(int cssValueId)
+{
+ struct ColorValue {
+ int cssValueId;
+ RGBA32 color;
+ };
+
+ static const ColorValue colorValues[] = {
+ { CSSValueAqua, 0xFF00FFFF },
+ { CSSValueBlack, 0xFF000000 },
+ { CSSValueBlue, 0xFF0000FF },
+ { CSSValueFuchsia, 0xFFFF00FF },
+ { CSSValueGray, 0xFF808080 },
+ { CSSValueGreen, 0xFF008000 },
+ { CSSValueGrey, 0xFF808080 },
+ { CSSValueLime, 0xFF00FF00 },
+ { CSSValueMaroon, 0xFF800000 },
+ { CSSValueNavy, 0xFF000080 },
+ { CSSValueOlive, 0xFF808000 },
+ { CSSValueOrange, 0xFFFFA500 },
+ { CSSValuePurple, 0xFF800080 },
+ { CSSValueRed, 0xFFFF0000 },
+ { CSSValueSilver, 0xFFC0C0C0 },
+ { CSSValueTeal, 0xFF008080 },
+ { CSSValueTransparent, 0x00000000 },
+ { CSSValueWhite, 0xFFFFFFFF },
+ { CSSValueYellow, 0xFFFFFF00 },
+ { 0, 0 }
+ };
+
+ for (const ColorValue* col = colorValues; col->cssValueId; ++col) {
+ if (col->cssValueId == cssValueId)
+ return col->color;
+ }
+ return RenderTheme::defaultTheme()->systemColor(cssValueId);
+}
+
+Color CSSStyleSelector::getColorFromPrimitiveValue(CSSPrimitiveValue* primitiveValue)
+{
+ Color col;
+ int ident = primitiveValue->getIdent();
+ if (ident) {
+ if (ident == CSSValueWebkitText)
+ col = m_element->document()->textColor();
+ else if (ident == CSSValueWebkitLink)
+ col = m_element->isLink() && m_checker.m_matchVisitedPseudoClass ? m_element->document()->visitedLinkColor() : m_element->document()->linkColor();
+ else if (ident == CSSValueWebkitActivelink)
+ col = m_element->document()->activeLinkColor();
+ else if (ident == CSSValueWebkitFocusRingColor)
+ col = RenderTheme::focusRingColor();
+ else if (ident == CSSValueCurrentcolor)
+ col = m_style->color();
+ else
+ col = colorForCSSValue(ident);
+ } else if (primitiveValue->primitiveType() == CSSPrimitiveValue::CSS_RGBCOLOR)
+ col.setRGB(primitiveValue->getRGBA32Value());
+ return col;
+}
+
+bool CSSStyleSelector::hasSelectorForAttribute(const AtomicString &attrname)
+{
+ return m_selectorAttrs.contains(attrname.impl());
+}
+
+void CSSStyleSelector::addViewportDependentMediaQueryResult(const MediaQueryExp* expr, bool result)
+{
+ m_viewportDependentMediaQueryResults.append(new MediaQueryResult(*expr, result));
+}
+
+bool CSSStyleSelector::affectedByViewportChange() const
+{
+ unsigned s = m_viewportDependentMediaQueryResults.size();
+ for (unsigned i = 0; i < s; i++) {
+ if (m_medium->eval(&m_viewportDependentMediaQueryResults[i]->m_expression) != m_viewportDependentMediaQueryResults[i]->m_result)
+ return true;
+ }
+ return false;
+}
+
+void CSSStyleSelector::SelectorChecker::allVisitedStateChanged()
+{
+ if (m_linksCheckedForVisitedState.isEmpty())
+ return;
+ for (Node* node = m_document; node; node = node->traverseNextNode()) {
+ if (node->isLink())
+ node->setNeedsStyleRecalc();
+ }
+}
+
+void CSSStyleSelector::SelectorChecker::visitedStateChanged(LinkHash visitedHash)
+{
+ if (!m_linksCheckedForVisitedState.contains(visitedHash))
+ return;
+ for (Node* node = m_document; node; node = node->traverseNextNode()) {
+ const AtomicString* attr = linkAttribute(node);
+ if (attr && visitedLinkHash(m_document->baseURL(), *attr) == visitedHash)
+ node->setNeedsStyleRecalc();
+ }
+}
+
+static TransformOperation::OperationType getTransformOperationType(WebKitCSSTransformValue::TransformOperationType type)
+{
+ switch (type) {
+ case WebKitCSSTransformValue::ScaleTransformOperation: return TransformOperation::SCALE;
+ case WebKitCSSTransformValue::ScaleXTransformOperation: return TransformOperation::SCALE_X;
+ case WebKitCSSTransformValue::ScaleYTransformOperation: return TransformOperation::SCALE_Y;
+ case WebKitCSSTransformValue::ScaleZTransformOperation: return TransformOperation::SCALE_Z;
+ case WebKitCSSTransformValue::Scale3DTransformOperation: return TransformOperation::SCALE_3D;
+ case WebKitCSSTransformValue::TranslateTransformOperation: return TransformOperation::TRANSLATE;
+ case WebKitCSSTransformValue::TranslateXTransformOperation: return TransformOperation::TRANSLATE_X;
+ case WebKitCSSTransformValue::TranslateYTransformOperation: return TransformOperation::TRANSLATE_Y;
+ case WebKitCSSTransformValue::TranslateZTransformOperation: return TransformOperation::TRANSLATE_Z;
+ case WebKitCSSTransformValue::Translate3DTransformOperation: return TransformOperation::TRANSLATE_3D;
+ case WebKitCSSTransformValue::RotateTransformOperation: return TransformOperation::ROTATE;
+ case WebKitCSSTransformValue::RotateXTransformOperation: return TransformOperation::ROTATE_X;
+ case WebKitCSSTransformValue::RotateYTransformOperation: return TransformOperation::ROTATE_Y;
+ case WebKitCSSTransformValue::RotateZTransformOperation: return TransformOperation::ROTATE_Z;
+ case WebKitCSSTransformValue::Rotate3DTransformOperation: return TransformOperation::ROTATE_3D;
+ case WebKitCSSTransformValue::SkewTransformOperation: return TransformOperation::SKEW;
+ case WebKitCSSTransformValue::SkewXTransformOperation: return TransformOperation::SKEW_X;
+ case WebKitCSSTransformValue::SkewYTransformOperation: return TransformOperation::SKEW_Y;
+ case WebKitCSSTransformValue::MatrixTransformOperation: return TransformOperation::MATRIX;
+ case WebKitCSSTransformValue::Matrix3DTransformOperation: return TransformOperation::MATRIX_3D;
+ case WebKitCSSTransformValue::PerspectiveTransformOperation: return TransformOperation::PERSPECTIVE;
+ case WebKitCSSTransformValue::UnknownTransformOperation: return TransformOperation::NONE;
+ }
+ return TransformOperation::NONE;
+}
+
+bool CSSStyleSelector::createTransformOperations(CSSValue* inValue, RenderStyle* style, RenderStyle* rootStyle, TransformOperations& outOperations)
+{
+ float zoomFactor = style ? style->effectiveZoom() : 1;
+
+ TransformOperations operations;
+ if (inValue && !inValue->isPrimitiveValue()) {
+ CSSValueList* list = static_cast<CSSValueList*>(inValue);
+ unsigned size = list->length();
+ for (unsigned i = 0; i < size; i++) {
+ WebKitCSSTransformValue* val = static_cast<WebKitCSSTransformValue*>(list->itemWithoutBoundsCheck(i));
+
+ CSSPrimitiveValue* firstValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(0));
+
+ switch (val->operationType()) {
+ case WebKitCSSTransformValue::ScaleTransformOperation:
+ case WebKitCSSTransformValue::ScaleXTransformOperation:
+ case WebKitCSSTransformValue::ScaleYTransformOperation: {
+ double sx = 1.0;
+ double sy = 1.0;
+ if (val->operationType() == WebKitCSSTransformValue::ScaleYTransformOperation)
+ sy = firstValue->getDoubleValue();
+ else {
+ sx = firstValue->getDoubleValue();
+ if (val->operationType() != WebKitCSSTransformValue::ScaleXTransformOperation) {
+ if (val->length() > 1) {
+ CSSPrimitiveValue* secondValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(1));
+ sy = secondValue->getDoubleValue();
+ } else
+ sy = sx;
+ }
+ }
+ operations.operations().append(ScaleTransformOperation::create(sx, sy, 1.0, getTransformOperationType(val->operationType())));
+ break;
+ }
+ case WebKitCSSTransformValue::ScaleZTransformOperation:
+ case WebKitCSSTransformValue::Scale3DTransformOperation: {
+ double sx = 1.0;
+ double sy = 1.0;
+ double sz = 1.0;
+ if (val->operationType() == WebKitCSSTransformValue::ScaleZTransformOperation)
+ sz = firstValue->getDoubleValue();
+ else if (val->operationType() == WebKitCSSTransformValue::ScaleYTransformOperation)
+ sy = firstValue->getDoubleValue();
+ else {
+ sx = firstValue->getDoubleValue();
+ if (val->operationType() != WebKitCSSTransformValue::ScaleXTransformOperation) {
+ if (val->length() > 2) {
+ CSSPrimitiveValue* thirdValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(2));
+ sz = thirdValue->getDoubleValue();
+ }
+ if (val->length() > 1) {
+ CSSPrimitiveValue* secondValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(1));
+ sy = secondValue->getDoubleValue();
+ } else
+ sy = sx;
+ }
+ }
+ operations.operations().append(ScaleTransformOperation::create(sx, sy, sz, getTransformOperationType(val->operationType())));
+ break;
+ }
+ case WebKitCSSTransformValue::TranslateTransformOperation:
+ case WebKitCSSTransformValue::TranslateXTransformOperation:
+ case WebKitCSSTransformValue::TranslateYTransformOperation: {
+ bool ok = true;
+ Length tx = Length(0, Fixed);
+ Length ty = Length(0, Fixed);
+ if (val->operationType() == WebKitCSSTransformValue::TranslateYTransformOperation)
+ ty = convertToLength(firstValue, style, rootStyle, zoomFactor, &ok);
+ else {
+ tx = convertToLength(firstValue, style, rootStyle, zoomFactor, &ok);
+ if (val->operationType() != WebKitCSSTransformValue::TranslateXTransformOperation) {
+ if (val->length() > 1) {
+ CSSPrimitiveValue* secondValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(1));
+ ty = convertToLength(secondValue, style, rootStyle, zoomFactor, &ok);
+ }
+ }
+ }
+
+ if (!ok)
+ return false;
+
+ operations.operations().append(TranslateTransformOperation::create(tx, ty, Length(0, Fixed), getTransformOperationType(val->operationType())));
+ break;
+ }
+ case WebKitCSSTransformValue::TranslateZTransformOperation:
+ case WebKitCSSTransformValue::Translate3DTransformOperation: {
+ bool ok = true;
+ Length tx = Length(0, Fixed);
+ Length ty = Length(0, Fixed);
+ Length tz = Length(0, Fixed);
+ if (val->operationType() == WebKitCSSTransformValue::TranslateZTransformOperation)
+ tz = convertToLength(firstValue, style, rootStyle, zoomFactor, &ok);
+ else if (val->operationType() == WebKitCSSTransformValue::TranslateYTransformOperation)
+ ty = convertToLength(firstValue, style, rootStyle, zoomFactor, &ok);
+ else {
+ tx = convertToLength(firstValue, style, rootStyle, zoomFactor, &ok);
+ if (val->operationType() != WebKitCSSTransformValue::TranslateXTransformOperation) {
+ if (val->length() > 2) {
+ CSSPrimitiveValue* thirdValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(2));
+ tz = convertToLength(thirdValue, style, rootStyle, zoomFactor, &ok);
+ }
+ if (val->length() > 1) {
+ CSSPrimitiveValue* secondValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(1));
+ ty = convertToLength(secondValue, style, rootStyle, zoomFactor, &ok);
+ }
+ }
+ }
+
+ if (!ok)
+ return false;
+
+ operations.operations().append(TranslateTransformOperation::create(tx, ty, tz, getTransformOperationType(val->operationType())));
+ break;
+ }
+ case WebKitCSSTransformValue::RotateTransformOperation: {
+ double angle = firstValue->getDoubleValue();
+ if (firstValue->primitiveType() == CSSPrimitiveValue::CSS_RAD)
+ angle = rad2deg(angle);
+ else if (firstValue->primitiveType() == CSSPrimitiveValue::CSS_GRAD)
+ angle = grad2deg(angle);
+ else if (firstValue->primitiveType() == CSSPrimitiveValue::CSS_TURN)
+ angle = turn2deg(angle);
+
+ operations.operations().append(RotateTransformOperation::create(0, 0, 1, angle, getTransformOperationType(val->operationType())));
+ break;
+ }
+ case WebKitCSSTransformValue::RotateXTransformOperation:
+ case WebKitCSSTransformValue::RotateYTransformOperation:
+ case WebKitCSSTransformValue::RotateZTransformOperation: {
+ double x = 0;
+ double y = 0;
+ double z = 0;
+ double angle = firstValue->getDoubleValue();
+ if (firstValue->primitiveType() == CSSPrimitiveValue::CSS_RAD)
+ angle = rad2deg(angle);
+ else if (firstValue->primitiveType() == CSSPrimitiveValue::CSS_GRAD)
+ angle = grad2deg(angle);
+
+ if (val->operationType() == WebKitCSSTransformValue::RotateXTransformOperation)
+ x = 1;
+ else if (val->operationType() == WebKitCSSTransformValue::RotateYTransformOperation)
+ y = 1;
+ else
+ z = 1;
+ operations.operations().append(RotateTransformOperation::create(x, y, z, angle, getTransformOperationType(val->operationType())));
+ break;
+ }
+ case WebKitCSSTransformValue::Rotate3DTransformOperation: {
+ CSSPrimitiveValue* secondValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(1));
+ CSSPrimitiveValue* thirdValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(2));
+ CSSPrimitiveValue* fourthValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(3));
+ double x = firstValue->getDoubleValue();
+ double y = secondValue->getDoubleValue();
+ double z = thirdValue->getDoubleValue();
+ double angle = fourthValue->getDoubleValue();
+ if (fourthValue->primitiveType() == CSSPrimitiveValue::CSS_RAD)
+ angle = rad2deg(angle);
+ else if (fourthValue->primitiveType() == CSSPrimitiveValue::CSS_GRAD)
+ angle = grad2deg(angle);
+ operations.operations().append(RotateTransformOperation::create(x, y, z, angle, getTransformOperationType(val->operationType())));
+ break;
+ }
+ case WebKitCSSTransformValue::SkewTransformOperation:
+ case WebKitCSSTransformValue::SkewXTransformOperation:
+ case WebKitCSSTransformValue::SkewYTransformOperation: {
+ double angleX = 0;
+ double angleY = 0;
+ double angle = firstValue->getDoubleValue();
+ if (firstValue->primitiveType() == CSSPrimitiveValue::CSS_RAD)
+ angle = rad2deg(angle);
+ else if (firstValue->primitiveType() == CSSPrimitiveValue::CSS_GRAD)
+ angle = grad2deg(angle);
+ else if (firstValue->primitiveType() == CSSPrimitiveValue::CSS_TURN)
+ angle = turn2deg(angle);
+ if (val->operationType() == WebKitCSSTransformValue::SkewYTransformOperation)
+ angleY = angle;
+ else {
+ angleX = angle;
+ if (val->operationType() == WebKitCSSTransformValue::SkewTransformOperation) {
+ if (val->length() > 1) {
+ CSSPrimitiveValue* secondValue = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(1));
+ angleY = secondValue->getDoubleValue();
+ if (secondValue->primitiveType() == CSSPrimitiveValue::CSS_RAD)
+ angleY = rad2deg(angleY);
+ else if (secondValue->primitiveType() == CSSPrimitiveValue::CSS_GRAD)
+ angleY = grad2deg(angleY);
+ else if (secondValue->primitiveType() == CSSPrimitiveValue::CSS_TURN)
+ angleY = turn2deg(angleY);
+ }
+ }
+ }
+ operations.operations().append(SkewTransformOperation::create(angleX, angleY, getTransformOperationType(val->operationType())));
+ break;
+ }
+ case WebKitCSSTransformValue::MatrixTransformOperation: {
+ double a = firstValue->getDoubleValue();
+ double b = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(1))->getDoubleValue();
+ double c = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(2))->getDoubleValue();
+ double d = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(3))->getDoubleValue();
+ double e = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(4))->getDoubleValue();
+ double f = static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(5))->getDoubleValue();
+ operations.operations().append(MatrixTransformOperation::create(a, b, c, d, e, f));
+ break;
+ }
+ case WebKitCSSTransformValue::Matrix3DTransformOperation: {
+ TransformationMatrix matrix(static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(0))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(1))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(2))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(3))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(4))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(5))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(6))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(7))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(8))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(9))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(10))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(11))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(12))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(13))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(14))->getDoubleValue(),
+ static_cast<CSSPrimitiveValue*>(val->itemWithoutBoundsCheck(15))->getDoubleValue());
+ operations.operations().append(Matrix3DTransformOperation::create(matrix));
+ break;
+ }
+ case WebKitCSSTransformValue::PerspectiveTransformOperation: {
+ double p = firstValue->getDoubleValue();
+ if (p < 0.0)
+ return false;
+ operations.operations().append(PerspectiveTransformOperation::create(p));
+ break;
+ }
+ case WebKitCSSTransformValue::UnknownTransformOperation:
+ ASSERT_NOT_REACHED();
+ break;
+ }
+ }
+ }
+ outOperations = operations;
+ return true;
+}
+
+} // namespace WebCore