1 /* 2 Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) 3 Copyright (C) 2001 Dirk Mueller <mueller@kde.org> 4 Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) 5 Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 6 7 This library is free software; you can redistribute it and/or 8 modify it under the terms of the GNU Library General Public 9 License as published by the Free Software Foundation; either 10 version 2 of the License, or (at your option) any later version. 11 12 This library is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 Library General Public License for more details. 16 17 You should have received a copy of the GNU Library General Public License 18 along with this library; see the file COPYING.LIB. If not, write to 19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 Boston, MA 02110-1301, USA. 21 22 This class provides all functionality needed for loading images, style sheets and html 23 pages from the web. It has a memory cache for these objects. 24 */ 25 26 #ifndef CachedCSSStyleSheet_h 27 #define CachedCSSStyleSheet_h 28 29 #include "CachedResource.h" 30 #include "TextEncoding.h" 31 #include <wtf/Vector.h> 32 33 namespace WebCore { 34 35 class CachedResourceLoader; 36 class TextResourceDecoder; 37 38 class CachedCSSStyleSheet : public CachedResource { 39 public: 40 CachedCSSStyleSheet(const String& URL, const String& charset); 41 virtual ~CachedCSSStyleSheet(); 42 43 const String sheetText(bool enforceMIMEType = true, bool* hasValidMIMEType = 0) const; 44 45 virtual void didAddClient(CachedResourceClient*); 46 47 virtual void allClientsRemoved(); 48 49 virtual void setEncoding(const String&); 50 virtual String encoding() const; 51 virtual void data(PassRefPtr<SharedBuffer> data, bool allDataReceived); 52 virtual void error(CachedResource::Status); 53 54 void checkNotify(); 55 56 private: 57 bool canUseSheet(bool enforceMIMEType, bool* hasValidMIMEType) const; purgePriority()58 virtual PurgePriority purgePriority() const { return PurgeLast; } 59 60 protected: 61 RefPtr<TextResourceDecoder> m_decoder; 62 String m_decodedSheetText; 63 }; 64 65 } 66 67 #endif 68