blob: 4add2ce3df1f29f0df278da904e91ede17c03829 [file] [log] [blame]
/*
* (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 "platform/wtf/text/StringBuilder.h"
namespace blink {
CSSImportRule::CSSImportRule(StyleRuleImport* import_rule,
CSSStyleSheet* parent)
: CSSRule(parent), import_rule_(import_rule) {}
CSSImportRule::~CSSImportRule() = default;
String CSSImportRule::href() const {
return import_rule_->Href();
}
MediaList* CSSImportRule::media() const {
if (!media_cssom_wrapper_)
media_cssom_wrapper_ = MediaList::Create(import_rule_->MediaQueries(),
const_cast<CSSImportRule*>(this));
return media_cssom_wrapper_.Get();
}
String CSSImportRule::cssText() const {
StringBuilder result;
result.Append("@import url(\"");
result.Append(import_rule_->Href());
result.Append("\")");
if (import_rule_->MediaQueries()) {
String media_text = import_rule_->MediaQueries()->MediaText();
if (!media_text.IsEmpty()) {
result.Append(' ');
result.Append(media_text);
}
}
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 (!import_rule_->GetStyleSheet())
return nullptr;
if (!style_sheet_cssom_wrapper_)
style_sheet_cssom_wrapper_ = CSSStyleSheet::Create(
import_rule_->GetStyleSheet(), const_cast<CSSImportRule*>(this));
return style_sheet_cssom_wrapper_.Get();
}
void CSSImportRule::Reattach(StyleRuleBase*) {
// FIXME: Implement when enabling caching for stylesheets with import rules.
NOTREACHED();
}
void CSSImportRule::Trace(blink::Visitor* visitor) {
visitor->Trace(import_rule_);
visitor->Trace(media_cssom_wrapper_);
visitor->Trace(style_sheet_cssom_wrapper_);
CSSRule::Trace(visitor);
}
} // namespace blink