1 /* 2 * (C) 1999-2003 Lars Knoll (knoll (at) kde.org) 3 * (C) 2002-2003 Dirk Mueller (mueller (at) kde.org) 4 * Copyright (C) 2002, 2005, 2006, 2008, 2009, 2010, 2012 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 "core/css/CSSImportRule.h" 24 25 #include "core/css/CSSStyleSheet.h" 26 #include "core/css/MediaList.h" 27 #include "core/css/StyleRuleImport.h" 28 #include "core/css/StyleSheetContents.h" 29 #include "wtf/text/StringBuilder.h" 30 31 namespace WebCore { 32 33 CSSImportRule::CSSImportRule(StyleRuleImport* importRule, CSSStyleSheet* parent) 34 : CSSRule(parent) 35 , m_importRule(importRule) 36 { 37 } 38 39 CSSImportRule::~CSSImportRule() 40 { 41 #if !ENABLE(OILPAN) 42 if (m_styleSheetCSSOMWrapper) 43 m_styleSheetCSSOMWrapper->clearOwnerRule(); 44 45 if (m_mediaCSSOMWrapper) 46 m_mediaCSSOMWrapper->clearParentRule(); 47 #endif // ENABLE(OILPAN) 48 } 49 50 String CSSImportRule::href() const 51 { 52 return m_importRule->href(); 53 } 54 55 MediaList* CSSImportRule::media() const 56 { 57 if (!m_mediaCSSOMWrapper) 58 m_mediaCSSOMWrapper = MediaList::create(m_importRule->mediaQueries(), const_cast<CSSImportRule*>(this)); 59 return m_mediaCSSOMWrapper.get(); 60 } 61 62 String CSSImportRule::cssText() const 63 { 64 StringBuilder result; 65 result.append("@import url(\""); 66 result.append(m_importRule->href()); 67 result.append("\")"); 68 69 if (m_importRule->mediaQueries()) { 70 String mediaText = m_importRule->mediaQueries()->mediaText(); 71 if (!mediaText.isEmpty()) { 72 result.append(' '); 73 result.append(mediaText); 74 } 75 } 76 result.append(';'); 77 78 return result.toString(); 79 } 80 81 CSSStyleSheet* CSSImportRule::styleSheet() const 82 { 83 if (!m_importRule->styleSheet()) 84 return 0; 85 86 if (!m_styleSheetCSSOMWrapper) 87 m_styleSheetCSSOMWrapper = CSSStyleSheet::create(m_importRule->styleSheet(), const_cast<CSSImportRule*>(this)); 88 return m_styleSheetCSSOMWrapper.get(); 89 } 90 91 void CSSImportRule::reattach(StyleRuleBase*) 92 { 93 // FIXME: Implement when enabling caching for stylesheets with import rules. 94 ASSERT_NOT_REACHED(); 95 } 96 97 void CSSImportRule::trace(Visitor* visitor) 98 { 99 visitor->trace(m_importRule); 100 visitor->trace(m_mediaCSSOMWrapper); 101 visitor->trace(m_styleSheetCSSOMWrapper); 102 CSSRule::trace(visitor); 103 } 104 105 } // namespace WebCore 106
