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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 "core/css/CSSImportRule.h"
#include "core/css/CSSStyleSheet.h"
#include "core/css/MediaList.h"
#include "core/css/StyleRuleImport.h"
#include "core/css/StyleSheetContents.h"
#include "wtf/text/StringBuilder.h"
namespace blink {
CSSImportRule::CSSImportRule(StyleRuleImport* importRule, CSSStyleSheet* parent)
: CSSRule(parent), m_importRule(importRule) {}
CSSImportRule::~CSSImportRule() {}
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()) {
String mediaText = m_importRule->mediaQueries()->mediaText();
if (!mediaText.isEmpty()) {
result.append(' ');
result.append(mediaText);
}
}
result.append(';');
return result.toString();
}
CSSStyleSheet* CSSImportRule::styleSheet() const {
// TODO(yukishiino): CSSImportRule.styleSheet attribute is not nullable,
// thus this function must not return nullptr.
if (!m_importRule->styleSheet())
return nullptr;
if (!m_styleSheetCSSOMWrapper)
m_styleSheetCSSOMWrapper = CSSStyleSheet::create(
m_importRule->styleSheet(), const_cast<CSSImportRule*>(this));
return m_styleSheetCSSOMWrapper.get();
}
void CSSImportRule::reattach(StyleRuleBase*) {
// FIXME: Implement when enabling caching for stylesheets with import rules.
ASSERT_NOT_REACHED();
}
DEFINE_TRACE(CSSImportRule) {
visitor->trace(m_importRule);
visitor->trace(m_mediaCSSOMWrapper);
visitor->trace(m_styleSheetCSSOMWrapper);
CSSRule::trace(visitor);
}
} // namespace blink
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