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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* (C) 2002-2003 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2002, 2005, 2006, 2008, 2012 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 "CSSPageRule.h"
#include "CSSParser.h"
#include "CSSSelector.h"
#include "Document.h"
#include "PropertySetCSSStyleDeclaration.h"
#include "StylePropertySet.h"
#include "StyleRule.h"
#include <wtf/Vector.h>
namespace WebCore {
CSSPageRule::CSSPageRule(StyleRulePage* pageRule, CSSStyleSheet* parent)
: CSSRule(parent, CSSRule::PAGE_RULE)
, m_pageRule(pageRule)
{
}
CSSPageRule::~CSSPageRule()
{
if (m_propertiesCSSOMWrapper)
m_propertiesCSSOMWrapper->clearParentRule();
}
CSSStyleDeclaration* CSSPageRule::style() const
{
if (!m_propertiesCSSOMWrapper)
m_propertiesCSSOMWrapper = StyleRuleCSSStyleDeclaration::create(m_pageRule->properties(), const_cast<CSSPageRule*>(this));
return m_propertiesCSSOMWrapper.get();
}
String CSSPageRule::selectorText() const
{
String text = "@page";
const CSSSelector* selector = m_pageRule->selector();
if (selector) {
String pageSpecification = selector->selectorText();
if (!pageSpecification.isEmpty() && pageSpecification != starAtom)
text += " " + pageSpecification;
}
return text;
}
void CSSPageRule::setSelectorText(const String& selectorText)
{
Document* doc = 0;
if (CSSStyleSheet* styleSheet = parentStyleSheet())
doc = styleSheet->ownerDocument();
if (!doc)
return;
CSSParser parser(parserContext());
CSSSelectorList selectorList;
parser.parseSelector(selectorText, selectorList);
if (!selectorList.first())
return;
String oldSelectorText = this->selectorText();
m_pageRule->wrapperAdoptSelectorList(selectorList);
if (this->selectorText() == oldSelectorText)
return;
doc->styleResolverChanged(DeferRecalcStyle);
}
String CSSPageRule::cssText() const
{
String result = selectorText();
result += " { ";
result += m_pageRule->properties()->asText();
result += "}";
return result;
}
} // namespace WebCore
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