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/*
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* (C) 1999-2003 Lars Knoll (knoll@kde.org)
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* Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "CSSStyleDeclaration.h"
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#include "CSSMutableStyleDeclaration.h"
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#include "CSSParser.h"
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#include "CSSProperty.h"
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#include "CSSPropertyNames.h"
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#include "CSSRule.h"
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#include <wtf/ASCIICType.h>
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using namespace WTF;
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namespace WebCore {
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CSSStyleDeclaration::CSSStyleDeclaration(CSSRule* parent)
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: StyleBase(parent)
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{
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}
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PassRefPtr<CSSValue> CSSStyleDeclaration::getPropertyCSSValue(const String& propertyName)
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{
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int propID = cssPropertyID(propertyName);
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if (!propID)
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return 0;
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return getPropertyCSSValue(propID);
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}
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String CSSStyleDeclaration::getPropertyValue(const String &propertyName)
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{
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int propID = cssPropertyID(propertyName);
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if (!propID)
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return String();
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return getPropertyValue(propID);
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}
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String CSSStyleDeclaration::getPropertyPriority(const String& propertyName)
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{
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int propID = cssPropertyID(propertyName);
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if (!propID)
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return String();
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return getPropertyPriority(propID) ? "important" : "";
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}
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String CSSStyleDeclaration::getPropertyShorthand(const String& propertyName)
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{
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int propID = cssPropertyID(propertyName);
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if (!propID)
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return String();
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int shorthandID = getPropertyShorthand(propID);
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if (!shorthandID)
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return String();
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return getPropertyName(static_cast<CSSPropertyID>(shorthandID));
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}
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bool CSSStyleDeclaration::isPropertyImplicit(const String& propertyName)
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{
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int propID = cssPropertyID(propertyName);
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if (!propID)
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return false;
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return isPropertyImplicit(propID);
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}
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void CSSStyleDeclaration::setProperty(const String& propertyName, const String& value, ExceptionCode& ec)
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{
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int important = value.find("!important", 0, false);
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if (important == -1)
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setProperty(propertyName, value, "", ec);
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else
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setProperty(propertyName, value.left(important - 1), "important", ec);
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}
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void CSSStyleDeclaration::setProperty(const String& propertyName, const String& value, const String& priority, ExceptionCode& ec)
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{
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int propID = cssPropertyID(propertyName);
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if (!propID) {
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// FIXME: Should we raise an exception here?
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return;
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}
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bool important = priority.find("important", 0, false) != -1;
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setProperty(propID, value, important, ec);
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}
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String CSSStyleDeclaration::removeProperty(const String& propertyName, ExceptionCode& ec)
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{
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int propID = cssPropertyID(propertyName);
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if (!propID)
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return String();
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return removeProperty(propID, ec);
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}
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bool CSSStyleDeclaration::isPropertyName(const String& propertyName)
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{
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return cssPropertyID(propertyName);
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}
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CSSRule* CSSStyleDeclaration::parentRule() const
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{
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return (parent() && parent()->isRule()) ? static_cast<CSSRule*>(parent()) : 0;
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}
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bool CSSStyleDeclaration::cssPropertyMatches(const CSSProperty* property) const
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{
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RefPtr<CSSValue> value = getPropertyCSSValue(property->id());
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return value && value->cssText() == property->value()->cssText();
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}
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void CSSStyleDeclaration::diff(CSSMutableStyleDeclaration* style) const
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{
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if (!style)
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return;
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Vector<int> propertiesToRemove;
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{
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CSSMutableStyleDeclaration::const_iterator end = style->end();
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for (CSSMutableStyleDeclaration::const_iterator it = style->begin(); it != end; ++it) {
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const CSSProperty& property = *it;
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if (cssPropertyMatches(&property))
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propertiesToRemove.append(property.id());
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}
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}
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// FIXME: This should use mass removal.
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for (unsigned i = 0; i < propertiesToRemove.size(); i++)
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style->removeProperty(propertiesToRemove[i]);
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}
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PassRefPtr<CSSMutableStyleDeclaration> CSSStyleDeclaration::copyPropertiesInSet(const int* set, unsigned length) const
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{
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Vector<CSSProperty> list;
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list.reserveInitialCapacity(length);
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unsigned variableDependentValueCount = 0;
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for (unsigned i = 0; i < length; i++) {
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RefPtr<CSSValue> value = getPropertyCSSValue(set[i]);
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if (value) {
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if (value->isVariableDependentValue())
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variableDependentValueCount++;
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list.append(CSSProperty(set[i], value.release(), false));
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}
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}
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return CSSMutableStyleDeclaration::create(list, variableDependentValueCount);
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}
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} // namespace WebCore
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