--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/html/HTMLImageElement.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,430 @@
+/**
+ * This file is part of the DOM implementation for KDE.
+ *
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
+ *
+ * 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 "HTMLImageElement.h"
+
+#include "CSSHelper.h"
+#include "CSSPropertyNames.h"
+#include "CSSValueKeywords.h"
+#include "EventNames.h"
+#include "HTMLDocument.h"
+#include "HTMLFormElement.h"
+#include "HTMLNames.h"
+#include "RenderImage.h"
+
+using namespace std;
+
+namespace WebCore {
+
+using namespace EventNames;
+using namespace HTMLNames;
+
+HTMLImageElement::HTMLImageElement(Document* doc, HTMLFormElement* f)
+    : HTMLElement(imgTag, doc)
+    , m_imageLoader(this)
+    , ismap(false)
+    , m_form(f)
+    , m_compositeOperator(CompositeSourceOver)
+{
+    if (f)
+        f->registerImgElement(this);
+}
+
+HTMLImageElement::HTMLImageElement(const QualifiedName& tagName, Document* doc)
+    : HTMLElement(tagName, doc)
+    , m_imageLoader(this)
+    , ismap(false)
+    , m_form(0)
+    , m_compositeOperator(CompositeSourceOver)
+{
+}
+
+HTMLImageElement::~HTMLImageElement()
+{
+    if (m_form)
+        m_form->removeImgElement(this);
+}
+
+bool HTMLImageElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
+{
+    if (attrName == widthAttr ||
+        attrName == heightAttr ||
+        attrName == vspaceAttr ||
+        attrName == hspaceAttr ||
+        attrName == valignAttr) {
+        result = eUniversal;
+        return false;
+    }
+    
+    if (attrName == borderAttr || attrName == alignAttr) {
+        result = eReplaced; // Shared with embed and iframe elements.
+        return false;
+    }
+
+    return HTMLElement::mapToEntry(attrName, result);
+}
+
+void HTMLImageElement::parseMappedAttribute(MappedAttribute* attr)
+{
+    const QualifiedName& attrName = attr->name();
+    if (attrName == altAttr) {
+        if (renderer() && renderer()->isImage())
+            static_cast<RenderImage*>(renderer())->updateAltText();
+    } else if (attrName == srcAttr)
+        m_imageLoader.updateFromElement();
+    else if (attrName == widthAttr)
+        addCSSLength(attr, CSS_PROP_WIDTH, attr->value());
+    else if (attrName == heightAttr)
+        addCSSLength(attr, CSS_PROP_HEIGHT, attr->value());
+    else if (attrName == borderAttr) {
+        // border="noborder" -> border="0"
+        if(attr->value().toInt()) {
+            addCSSLength(attr, CSS_PROP_BORDER_WIDTH, attr->value());
+            addCSSProperty(attr, CSS_PROP_BORDER_TOP_STYLE, CSS_VAL_SOLID);
+            addCSSProperty(attr, CSS_PROP_BORDER_RIGHT_STYLE, CSS_VAL_SOLID);
+            addCSSProperty(attr, CSS_PROP_BORDER_BOTTOM_STYLE, CSS_VAL_SOLID);
+            addCSSProperty(attr, CSS_PROP_BORDER_LEFT_STYLE, CSS_VAL_SOLID);
+        }
+    } else if (attrName == vspaceAttr) {
+        addCSSLength(attr, CSS_PROP_MARGIN_TOP, attr->value());
+        addCSSLength(attr, CSS_PROP_MARGIN_BOTTOM, attr->value());
+    } else if (attrName == hspaceAttr) {
+        addCSSLength(attr, CSS_PROP_MARGIN_LEFT, attr->value());
+        addCSSLength(attr, CSS_PROP_MARGIN_RIGHT, attr->value());
+    } else if (attrName == alignAttr)
+        addHTMLAlignment(attr);
+    else if (attrName == valignAttr)
+        addCSSProperty(attr, CSS_PROP_VERTICAL_ALIGN, attr->value());
+    else if (attrName == usemapAttr) {
+        if (attr->value().domString()[0] == '#')
+            usemap = attr->value();
+        else
+            usemap = document()->completeURL(parseURL(attr->value()));
+        m_isLink = !attr->isNull();
+    } else if (attrName == ismapAttr)
+        ismap = true;
+    else if (attrName == onabortAttr)
+        setHTMLEventListener(abortEvent, attr);
+    else if (attrName == onloadAttr)
+        setHTMLEventListener(loadEvent, attr);
+    else if (attrName == compositeAttr) {
+        if (!parseCompositeOperator(attr->value(), m_compositeOperator))
+            m_compositeOperator = CompositeSourceOver;
+    } else if (attrName == nameAttr) {
+        String newNameAttr = attr->value();
+        if (inDocument() && document()->isHTMLDocument()) {
+            HTMLDocument* doc = static_cast<HTMLDocument*>(document());
+            doc->removeNamedItem(oldNameAttr);
+            doc->addNamedItem(newNameAttr);
+        }
+        oldNameAttr = newNameAttr;
+    } else if (attr->name() == idAttr) {
+        String newIdAttr = attr->value();
+        if (inDocument() && document()->isHTMLDocument()) {
+            HTMLDocument *doc = static_cast<HTMLDocument *>(document());
+            doc->removeDocExtraNamedItem(oldIdAttr);
+            doc->addDocExtraNamedItem(newIdAttr);
+        }
+        oldIdAttr = newIdAttr;
+        // also call superclass
+        HTMLElement::parseMappedAttribute(attr);
+    } else
+        HTMLElement::parseMappedAttribute(attr);
+}
+
+String HTMLImageElement::altText() const
+{
+    // lets figure out the alt text.. magic stuff
+    // http://www.w3.org/TR/1998/REC-html40-19980424/appendix/notes.html#altgen
+    // also heavily discussed by Hixie on bugzilla
+    String alt = getAttribute(altAttr);
+    // fall back to title attribute
+    if (alt.isNull())
+        alt = getAttribute(titleAttr);
+    return alt;
+}
+
+RenderObject* HTMLImageElement::createRenderer(RenderArena* arena, RenderStyle* style)
+{
+     if (style->contentData())
+        return RenderObject::createObject(this, style);
+     
+     return new (arena) RenderImage(this);
+}
+
+void HTMLImageElement::attach()
+{
+    HTMLElement::attach();
+
+    if (renderer() && renderer()->isImage()) {
+        RenderImage* imageObj = static_cast<RenderImage*>(renderer());
+        imageObj->setCachedImage(m_imageLoader.image());
+        
+        // If we have no image at all because we have no src attribute, set
+        // image height and width for the alt text instead.
+        if (!m_imageLoader.image() && !imageObj->cachedImage())
+            imageObj->setImageSizeForAltText();
+    }
+}
+
+void HTMLImageElement::insertedIntoDocument()
+{
+    if (document()->isHTMLDocument()) {
+        HTMLDocument* doc = static_cast<HTMLDocument*>(document());
+
+        doc->addNamedItem(oldNameAttr);
+        doc->addDocExtraNamedItem(oldIdAttr);
+    }
+
+    HTMLElement::insertedIntoDocument();
+}
+
+void HTMLImageElement::removedFromDocument()
+{
+    if (document()->isHTMLDocument()) {
+        HTMLDocument* doc = static_cast<HTMLDocument*>(document());
+
+        doc->removeNamedItem(oldNameAttr);
+        doc->removeDocExtraNamedItem(oldIdAttr);
+    }
+
+    HTMLElement::removedFromDocument();
+}
+
+int HTMLImageElement::width(bool ignorePendingStylesheets) const
+{
+    if (!renderer()) {
+        // check the attribute first for an explicit pixel value
+        bool ok;
+        int width = getAttribute(widthAttr).toInt(&ok);
+        if (ok)
+            return width;
+        
+        // if the image is available, use its width
+        if (m_imageLoader.image())
+            return m_imageLoader.image()->imageSize().width();
+    }
+
+    if (ignorePendingStylesheets)
+        document()->updateLayoutIgnorePendingStylesheets();
+    else
+        document()->updateLayout();
+
+    return renderer() ? renderer()->contentWidth() : 0;
+}
+
+int HTMLImageElement::height(bool ignorePendingStylesheets) const
+{
+    if (!renderer()) {
+        // check the attribute first for an explicit pixel value
+        bool ok;
+        int height = getAttribute(heightAttr).toInt(&ok);
+        if (ok)
+            return height;
+        
+        // if the image is available, use its height
+        if (m_imageLoader.image())
+            return m_imageLoader.image()->imageSize().height();        
+    }
+
+    if (ignorePendingStylesheets)
+        document()->updateLayoutIgnorePendingStylesheets();
+    else
+        document()->updateLayout();
+
+    return renderer() ? renderer()->contentHeight() : 0;
+}
+
+int HTMLImageElement::naturalWidth() const
+{
+    if (!m_imageLoader.image())
+        return 0;
+
+    return m_imageLoader.image()->imageSize().width();
+}
+
+int HTMLImageElement::naturalHeight() const
+{
+    if (!m_imageLoader.image())
+        return 0;
+    
+    return m_imageLoader.image()->imageSize().height();
+}
+    
+bool HTMLImageElement::isURLAttribute(Attribute* attr) const
+{
+    return attr->name() == srcAttr
+        || attr->name() == lowsrcAttr
+        || attr->name() == longdescAttr
+        || (attr->name() == usemapAttr && attr->value().domString()[0] != '#');
+}
+
+String HTMLImageElement::name() const
+{
+    return getAttribute(nameAttr);
+}
+
+void HTMLImageElement::setName(const String& value)
+{
+    setAttribute(nameAttr, value);
+}
+
+String HTMLImageElement::align() const
+{
+    return getAttribute(alignAttr);
+}
+
+void HTMLImageElement::setAlign(const String& value)
+{
+    setAttribute(alignAttr, value);
+}
+
+String HTMLImageElement::alt() const
+{
+    return getAttribute(altAttr);
+}
+
+void HTMLImageElement::setAlt(const String& value)
+{
+    setAttribute(altAttr, value);
+}
+
+String HTMLImageElement::border() const
+{
+    return getAttribute(borderAttr);
+}
+
+void HTMLImageElement::setBorder(const String& value)
+{
+    setAttribute(borderAttr, value);
+}
+
+void HTMLImageElement::setHeight(int value)
+{
+    setAttribute(heightAttr, String::number(value));
+}
+
+int HTMLImageElement::hspace() const
+{
+    // ### return actual value
+    return getAttribute(hspaceAttr).toInt();
+}
+
+void HTMLImageElement::setHspace(int value)
+{
+    setAttribute(hspaceAttr, String::number(value));
+}
+
+bool HTMLImageElement::isMap() const
+{
+    return !getAttribute(ismapAttr).isNull();
+}
+
+void HTMLImageElement::setIsMap(bool isMap)
+{
+    setAttribute(ismapAttr, isMap ? "" : 0);
+}
+
+String HTMLImageElement::longDesc() const
+{
+    return document()->completeURL(getAttribute(longdescAttr));
+}
+
+void HTMLImageElement::setLongDesc(const String& value)
+{
+    setAttribute(longdescAttr, value);
+}
+
+String HTMLImageElement::lowsrc() const
+{
+    return document()->completeURL(getAttribute(lowsrcAttr));
+}
+
+void HTMLImageElement::setLowsrc(const String& value)
+{
+    setAttribute(lowsrcAttr, value);
+}
+
+String HTMLImageElement::src() const
+{
+    return document()->completeURL(getAttribute(srcAttr));
+}
+
+void HTMLImageElement::setSrc(const String& value)
+{
+    setAttribute(srcAttr, value);
+}
+
+String HTMLImageElement::useMap() const
+{
+    return getAttribute(usemapAttr);
+}
+
+void HTMLImageElement::setUseMap(const String& value)
+{
+    setAttribute(usemapAttr, value);
+}
+
+int HTMLImageElement::vspace() const
+{
+    // ### return actual vspace
+    return getAttribute(vspaceAttr).toInt();
+}
+
+void HTMLImageElement::setVspace(int value)
+{
+    setAttribute(vspaceAttr, String::number(value));
+}
+
+void HTMLImageElement::setWidth(int value)
+{
+    setAttribute(widthAttr, String::number(value));
+}
+
+int HTMLImageElement::x() const
+{
+    RenderObject* r = renderer();
+    if (!r)
+        return 0;
+    int x, y;
+    r->absolutePosition(x, y);
+    return x;
+}
+
+int HTMLImageElement::y() const
+{
+    RenderObject* r = renderer();
+    if (!r)
+        return 0;
+    int x, y;
+    r->absolutePosition(x, y);
+    return y;
+}
+
+bool HTMLImageElement::complete() const
+{
+    return m_imageLoader.imageComplete();
+}
+
+}