1/** 2 * (C) 1999-2003 Lars Knoll (knoll@kde.org) 3 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21#include "config.h" 22#include "StyleSheetList.h" 23 24#include "CSSStyleSheet.h" 25#include "Document.h" 26#include "DocumentStyleSheetCollection.h" 27#include "HTMLNames.h" 28#include "HTMLStyleElement.h" 29#include <wtf/text/WTFString.h> 30 31namespace WebCore { 32 33using namespace HTMLNames; 34 35StyleSheetList::StyleSheetList(Document* document) 36 : m_document(document) 37{ 38} 39 40StyleSheetList::~StyleSheetList() 41{ 42} 43 44inline const Vector<RefPtr<StyleSheet> >& StyleSheetList::styleSheets() const 45{ 46 if (!m_document) 47 return m_detachedStyleSheets; 48 return m_document->styleSheetCollection()->styleSheetsForStyleSheetList(); 49} 50 51void StyleSheetList::detachFromDocument() 52{ 53 m_detachedStyleSheets = m_document->styleSheetCollection()->styleSheetsForStyleSheetList(); 54 m_document = 0; 55} 56 57unsigned StyleSheetList::length() const 58{ 59 return styleSheets().size(); 60} 61 62StyleSheet* StyleSheetList::item(unsigned index) 63{ 64 const Vector<RefPtr<StyleSheet> >& sheets = styleSheets(); 65 return index < sheets.size() ? sheets[index].get() : 0; 66} 67 68HTMLStyleElement* StyleSheetList::getNamedItem(const String& name) const 69{ 70 if (!m_document) 71 return 0; 72 73 // IE also supports retrieving a stylesheet by name, using the name/id of the <style> tag 74 // (this is consistent with all the other collections) 75 // ### Bad implementation because returns a single element (are IDs always unique?) 76 // and doesn't look for name attribute. 77 // But unicity of stylesheet ids is good practice anyway ;) 78 Element* element = m_document->getElementById(name); 79 if (element && element->hasTagName(styleTag)) 80 return static_cast<HTMLStyleElement*>(element); 81 return 0; 82} 83 84} // namespace WebCore 85