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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, 2012 Apple Computer, Inc.
* Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
*
* 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/CSSMediaRule.h"
#include "core/css/StyleRule.h"
#include "wtf/text/StringBuilder.h"
namespace blink {
CSSMediaRule::CSSMediaRule(StyleRuleMedia* mediaRule, CSSStyleSheet* parent)
: CSSGroupingRule(mediaRule, parent)
{
}
CSSMediaRule::~CSSMediaRule()
{
#if !ENABLE(OILPAN)
if (m_mediaCSSOMWrapper)
m_mediaCSSOMWrapper->clearParentRule();
#endif
}
MediaQuerySet* CSSMediaRule::mediaQueries() const
{
return toStyleRuleMedia(m_groupRule.get())->mediaQueries();
}
String CSSMediaRule::cssText() const
{
StringBuilder result;
result.appendLiteral("@media ");
if (mediaQueries()) {
result.append(mediaQueries()->mediaText());
result.append(' ');
}
result.appendLiteral("{ \n");
appendCSSTextForItems(result);
result.append('}');
return result.toString();
}
MediaList* CSSMediaRule::media() const
{
if (!mediaQueries())
return 0;
if (!m_mediaCSSOMWrapper)
m_mediaCSSOMWrapper = MediaList::create(mediaQueries(), const_cast<CSSMediaRule*>(this));
return m_mediaCSSOMWrapper.get();
}
void CSSMediaRule::reattach(StyleRuleBase* rule)
{
CSSGroupingRule::reattach(rule);
if (m_mediaCSSOMWrapper && mediaQueries())
m_mediaCSSOMWrapper->reattach(mediaQueries());
}
void CSSMediaRule::trace(Visitor* visitor)
{
visitor->trace(m_mediaCSSOMWrapper);
CSSGroupingRule::trace(visitor);
}
} // namespace blink
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