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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, 2009, 2010, 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 "CSSImportRule.h"
#include "CSSStyleSheet.h"
#include "CachedCSSStyleSheet.h"
#include "CachedResourceLoader.h"
#include "Document.h"
#include "MediaList.h"
#include "MemoryInstrumentation.h"
#include "SecurityOrigin.h"
#include "StyleRuleImport.h"
#include "StyleSheetContents.h"
#include <wtf/text/StringBuilder.h>
namespace WebCore {
CSSImportRule::CSSImportRule(StyleRuleImport* importRule, CSSStyleSheet* parent)
: CSSRule(parent, CSSRule::IMPORT_RULE)
, m_importRule(importRule)
{
}
CSSImportRule::~CSSImportRule()
{
if (m_styleSheetCSSOMWrapper)
m_styleSheetCSSOMWrapper->clearOwnerRule();
if (m_mediaCSSOMWrapper)
m_mediaCSSOMWrapper->clearParentRule();
}
String CSSImportRule::href() const
{
return m_importRule->href();
}
MediaList* CSSImportRule::media() const
{
if (!m_mediaCSSOMWrapper)
m_mediaCSSOMWrapper = MediaList::create(m_importRule->mediaQueries(), const_cast<CSSImportRule*>(this));
return m_mediaCSSOMWrapper.get();
}
String CSSImportRule::cssText() const
{
StringBuilder result;
result.append("@import url(\"");
result.append(m_importRule->href());
result.append("\")");
if (m_importRule->mediaQueries()) {
result.append(' ');
result.append(m_importRule->mediaQueries()->mediaText());
}
result.append(';');
return result.toString();
}
void CSSImportRule::reportDescendantMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
{
MemoryClassInfo info(memoryObjectInfo, this, MemoryInstrumentation::CSS);
CSSRule::reportBaseClassMemoryUsage(memoryObjectInfo);
info.addInstrumentedMember(m_importRule);
info.addInstrumentedMember(m_mediaCSSOMWrapper);
info.addInstrumentedMember(m_styleSheetCSSOMWrapper);
}
CSSStyleSheet* CSSImportRule::styleSheet() const
{
if (!m_importRule->styleSheet())
return 0;
if (!m_styleSheetCSSOMWrapper)
m_styleSheetCSSOMWrapper = CSSStyleSheet::create(m_importRule->styleSheet(), const_cast<CSSImportRule*>(this));
return m_styleSheetCSSOMWrapper.get();
}
} // namespace WebCore
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