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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
*
* 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 "CSSStyleDeclaration.h"
#include "CSSMutableStyleDeclaration.h"
#include "CSSParser.h"
#include "CSSProperty.h"
#include "CSSPropertyNames.h"
#include "CSSRule.h"
#include <wtf/ASCIICType.h>
#include <wtf/text/CString.h>
using namespace WTF;
namespace WebCore {
CSSStyleDeclaration::CSSStyleDeclaration(CSSRule* parent)
: StyleBase(parent)
{
}
PassRefPtr<CSSValue> CSSStyleDeclaration::getPropertyCSSValue(const String& propertyName)
{
int propID = cssPropertyID(propertyName);
if (!propID)
return 0;
return getPropertyCSSValue(propID);
}
String CSSStyleDeclaration::getPropertyValue(const String &propertyName)
{
int propID = cssPropertyID(propertyName);
if (!propID)
return String();
return getPropertyValue(propID);
}
String CSSStyleDeclaration::getPropertyPriority(const String& propertyName)
{
int propID = cssPropertyID(propertyName);
if (!propID)
return String();
return getPropertyPriority(propID) ? "important" : "";
}
String CSSStyleDeclaration::getPropertyShorthand(const String& propertyName)
{
int propID = cssPropertyID(propertyName);
if (!propID)
return String();
int shorthandID = getPropertyShorthand(propID);
if (!shorthandID)
return String();
return getPropertyName(static_cast<CSSPropertyID>(shorthandID));
}
bool CSSStyleDeclaration::isPropertyImplicit(const String& propertyName)
{
int propID = cssPropertyID(propertyName);
if (!propID)
return false;
return isPropertyImplicit(propID);
}
void CSSStyleDeclaration::setProperty(const String& propertyName, const String& value, ExceptionCode& ec)
{
size_t important = value.find("!important", 0, false);
int propertyID = cssPropertyID(propertyName);
if (!propertyID)
return;
if (important == notFound)
setProperty(propertyID, value, false, ec);
else
setProperty(propertyID, value.left(important - 1), true, ec);
}
void CSSStyleDeclaration::setProperty(const String& propertyName, const String& value, const String& priority, ExceptionCode& ec)
{
int propID = cssPropertyID(propertyName);
if (!propID) {
// FIXME: Should we raise an exception here?
return;
}
bool important = priority.find("important", 0, false) != notFound;
setProperty(propID, value, important, ec);
}
String CSSStyleDeclaration::removeProperty(const String& propertyName, ExceptionCode& ec)
{
int propID = cssPropertyID(propertyName);
if (!propID)
return String();
return removeProperty(propID, ec);
}
bool CSSStyleDeclaration::isPropertyName(const String& propertyName)
{
return cssPropertyID(propertyName);
}
CSSRule* CSSStyleDeclaration::parentRule() const
{
return (parent() && parent()->isRule()) ? static_cast<CSSRule*>(parent()) : 0;
}
bool CSSStyleDeclaration::cssPropertyMatches(const CSSProperty* property) const
{
RefPtr<CSSValue> value = getPropertyCSSValue(property->id());
return value && value->cssText() == property->value()->cssText();
}
void CSSStyleDeclaration::diff(CSSMutableStyleDeclaration* style) const
{
if (!style)
return;
Vector<int> propertiesToRemove;
{
CSSMutableStyleDeclaration::const_iterator end = style->end();
for (CSSMutableStyleDeclaration::const_iterator it = style->begin(); it != end; ++it) {
const CSSProperty& property = *it;
if (cssPropertyMatches(&property))
propertiesToRemove.append(property.id());
}
}
// FIXME: This should use mass removal.
for (unsigned i = 0; i < propertiesToRemove.size(); i++)
style->removeProperty(propertiesToRemove[i]);
}
PassRefPtr<CSSMutableStyleDeclaration> CSSStyleDeclaration::copyPropertiesInSet(const int* set, unsigned length) const
{
Vector<CSSProperty> list;
list.reserveInitialCapacity(length);
for (unsigned i = 0; i < length; i++) {
RefPtr<CSSValue> value = getPropertyCSSValue(set[i]);
if (value)
list.append(CSSProperty(set[i], value.release(), false));
}
return CSSMutableStyleDeclaration::create(list);
}
} // namespace WebCore
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