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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 "core/css/CSSPageRule.h"
#include "core/css/CSSParser.h"
#include "core/css/CSSSelector.h"
#include "core/css/CSSStyleSheet.h"
#include "core/css/PropertySetCSSStyleDeclaration.h"
#include "core/css/StylePropertySet.h"
#include "core/css/StyleRule.h"
#include "wtf/text/StringBuilder.h"
namespace WebCore {
CSSPageRule::CSSPageRule(StyleRulePage* pageRule, CSSStyleSheet* parent)
: CSSRule(parent)
, m_pageRule(pageRule)
{
}
CSSPageRule::~CSSPageRule()
{
if (m_propertiesCSSOMWrapper)
m_propertiesCSSOMWrapper->clearParentRule();
}
CSSStyleDeclaration* CSSPageRule::style() const
{
if (!m_propertiesCSSOMWrapper)
m_propertiesCSSOMWrapper = StyleRuleCSSStyleDeclaration::create(m_pageRule->mutableProperties(), const_cast<CSSPageRule*>(this));
return m_propertiesCSSOMWrapper.get();
}
String CSSPageRule::selectorText() const
{
StringBuilder text;
text.appendLiteral("@page");
const CSSSelector* selector = m_pageRule->selector();
if (selector) {
String pageSpecification = selector->selectorText();
if (!pageSpecification.isEmpty() && pageSpecification != starAtom) {
text.append(' ');
text.append(pageSpecification);
}
}
return text.toString();
}
void CSSPageRule::setSelectorText(const String& selectorText)
{
CSSParser parser(parserContext());
CSSSelectorList selectorList;
parser.parseSelector(selectorText, selectorList);
if (!selectorList.isValid())
return;
CSSStyleSheet::RuleMutationScope mutationScope(this);
m_pageRule->wrapperAdoptSelectorList(selectorList);
}
String CSSPageRule::cssText() const
{
StringBuilder result;
result.append(selectorText());
result.appendLiteral(" { ");
String decls = m_pageRule->properties()->asText();
result.append(decls);
if (!decls.isEmpty())
result.append(' ');
result.append('}');
return result.toString();
}
void CSSPageRule::reattach(StyleRuleBase* rule)
{
ASSERT(rule);
m_pageRule = toStyleRulePage(rule);
if (m_propertiesCSSOMWrapper)
m_propertiesCSSOMWrapper->reattach(m_pageRule->mutableProperties());
}
} // namespace WebCore
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