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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 "core/css/CSSPageRule.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 "core/css/parser/CSSParser.h"
#include "wtf/text/StringBuilder.h"
namespace blink {
CSSPageRule::CSSPageRule(StyleRulePage* pageRule, CSSStyleSheet* parent)
: CSSRule(parent), m_pageRule(pageRule) {}
CSSPageRule::~CSSPageRule() {}
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;
const CSSSelector* selector = m_pageRule->selector();
if (selector) {
String pageSpecification = selector->selectorText();
if (!pageSpecification.isEmpty())
text.append(pageSpecification);
}
return text.toString();
}
void CSSPageRule::setSelectorText(const String& selectorText) {
CSSParserContext* context =
CSSParserContext::create(parserContext(), nullptr);
CSSSelectorList selectorList = CSSParser::parsePageSelector(
context, parentStyleSheet() ? parentStyleSheet()->contents() : nullptr,
selectorText);
if (!selectorList.isValid())
return;
CSSStyleSheet::RuleMutationScope mutationScope(this);
m_pageRule->wrapperAdoptSelectorList(std::move(selectorList));
}
String CSSPageRule::cssText() const {
StringBuilder result;
result.append("@page ");
String pageSelectors = selectorText();
result.append(pageSelectors);
if (!pageSelectors.isEmpty())
result.append(' ');
result.append("{ ");
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());
}
DEFINE_TRACE(CSSPageRule) {
visitor->trace(m_pageRule);
visitor->trace(m_propertiesCSSOMWrapper);
CSSRule::trace(visitor);
}
} // namespace blink
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