1 /* 2 * (C) 1999-2003 Lars Knoll (knoll (at) kde.org) 3 * Copyright (C) 2004, 2006, 2008, 2009, 2010 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 #ifndef MediaList_h 22 #define MediaList_h 23 24 #include "StyleBase.h" 25 #include <wtf/Forward.h> 26 #include <wtf/PassRefPtr.h> 27 #include <wtf/Vector.h> 28 29 namespace WebCore { 30 31 class CSSImportRule; 32 class CSSStyleSheet; 33 class MediaQuery; 34 35 typedef int ExceptionCode; 36 37 class MediaList : public StyleBase { 38 public: 39 static PassRefPtr<MediaList> create() 40 { 41 return adoptRef(new MediaList(0, false)); 42 } 43 static PassRefPtr<MediaList> create(CSSImportRule* parentRule, const String& media) 44 { 45 return adoptRef(new MediaList(parentRule, media)); 46 } 47 static PassRefPtr<MediaList> create(CSSStyleSheet* parentSheet, const String& media) 48 { 49 return adoptRef(new MediaList(parentSheet, media, false)); 50 } 51 52 static PassRefPtr<MediaList> createAllowingDescriptionSyntax(const String& mediaQueryOrDescription) 53 { 54 return adoptRef(new MediaList(0, mediaQueryOrDescription, true)); 55 } 56 static PassRefPtr<MediaList> createAllowingDescriptionSyntax(CSSStyleSheet* parentSheet, const String& mediaQueryOrDescription) 57 { 58 return adoptRef(new MediaList(parentSheet, mediaQueryOrDescription, true)); 59 } 60 61 static PassRefPtr<MediaList> create(const String& media, bool allowDescriptionSyntax) 62 { 63 return adoptRef(new MediaList(0, media, allowDescriptionSyntax)); 64 } 65 66 virtual ~MediaList(); 67 68 unsigned length() const { return m_queries.size(); } 69 String item(unsigned index) const; 70 void deleteMedium(const String& oldMedium, ExceptionCode&); 71 void appendMedium(const String& newMedium, ExceptionCode&); 72 73 String mediaText() const; 74 void setMediaText(const String&, ExceptionCode&xo); 75 76 void appendMediaQuery(PassOwnPtr<MediaQuery>); 77 const Vector<MediaQuery*>& mediaQueries() const { return m_queries; } 78 79 private: 80 MediaList(CSSStyleSheet* parentSheet, bool fallbackToDescription); 81 MediaList(CSSStyleSheet* parentSheet, const String& media, bool fallbackToDescription); 82 MediaList(CSSImportRule* parentRule, const String& media); 83 84 void notifyChanged(); 85 86 Vector<MediaQuery*> m_queries; 87 bool m_fallback; // true if failed media query parsing should fallback to media description parsing 88 }; 89 90 } // namespace 91 92 #endif 93
