1/* 2 * (C) 1999-2003 Lars Knoll (knoll@kde.org) 3 * (C) 2002-2003 Dirk Mueller (mueller@kde.org) 4 * Copyright (C) 2002, 2005, 2006, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public License 17 * along with this library; see the file COPYING.LIB. If not, write to 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22#include "config.h" 23#include "CSSImportRule.h" 24 25#include "CSSStyleSheet.h" 26#include "CachedCSSStyleSheet.h" 27#include "CachedResourceLoader.h" 28#include "Document.h" 29#include "MediaList.h" 30#include "SecurityOrigin.h" 31#include "StyleRuleImport.h" 32#include "StyleSheetContents.h" 33#include <wtf/text/StringBuilder.h> 34 35namespace WebCore { 36 37CSSImportRule::CSSImportRule(StyleRuleImport* importRule, CSSStyleSheet* parent) 38 : CSSRule(parent) 39 , m_importRule(importRule) 40{ 41} 42 43CSSImportRule::~CSSImportRule() 44{ 45 if (m_styleSheetCSSOMWrapper) 46 m_styleSheetCSSOMWrapper->clearOwnerRule(); 47 if (m_mediaCSSOMWrapper) 48 m_mediaCSSOMWrapper->clearParentRule(); 49} 50 51String CSSImportRule::href() const 52{ 53 return m_importRule->href(); 54} 55 56MediaList* CSSImportRule::media() const 57{ 58 if (!m_mediaCSSOMWrapper) 59 m_mediaCSSOMWrapper = MediaList::create(m_importRule->mediaQueries(), const_cast<CSSImportRule*>(this)); 60 return m_mediaCSSOMWrapper.get(); 61} 62 63String CSSImportRule::cssText() const 64{ 65 StringBuilder result; 66 result.appendLiteral("@import url(\""); 67 result.append(m_importRule->href()); 68 result.appendLiteral("\")"); 69 70 if (m_importRule->mediaQueries()) { 71 String mediaText = m_importRule->mediaQueries()->mediaText(); 72 if (!mediaText.isEmpty()) { 73 result.append(' '); 74 result.append(mediaText); 75 } 76 } 77 result.append(';'); 78 79 return result.toString(); 80} 81 82CSSStyleSheet* CSSImportRule::styleSheet() const 83{ 84 if (!m_importRule->styleSheet()) 85 return 0; 86 87 if (!m_styleSheetCSSOMWrapper) 88 m_styleSheetCSSOMWrapper = CSSStyleSheet::create(m_importRule->styleSheet(), const_cast<CSSImportRule*>(this)); 89 return m_styleSheetCSSOMWrapper.get(); 90} 91 92void CSSImportRule::reattach(StyleRuleBase*) 93{ 94 // FIXME: Implement when enabling caching for stylesheets with import rules. 95 ASSERT_NOT_REACHED(); 96} 97 98} // namespace WebCore 99