1 /* 2 Copyright (C) 1998 Lars Knoll (knoll (at) mpi-hd.mpg.de) 3 Copyright (C) 2001 Dirk Mueller <mueller (at) kde.org> 4 Copyright (C) 2006 Samuel Weinig (sam.weinig (at) 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 CSSStyleSheetResource_h 27 #define CSSStyleSheetResource_h 28 29 #include "core/fetch/ResourcePtr.h" 30 #include "core/fetch/StyleSheetResource.h" 31 32 namespace WebCore { 33 34 class CSSParserContext; 35 class ResourceClient; 36 class StyleSheetContents; 37 class TextResourceDecoder; 38 39 class CSSStyleSheetResource : public StyleSheetResource { 40 public: 41 CSSStyleSheetResource(const ResourceRequest&, const String& charset); 42 virtual ~CSSStyleSheetResource(); 43 44 const String sheetText(bool enforceMIMEType = true, bool* hasValidMIMEType = 0) const; 45 46 virtual void didAddClient(ResourceClient*); 47 virtual void setEncoding(const String&); 48 virtual String encoding() const; 49 virtual void destroyDecodedData() OVERRIDE; 50 51 PassRefPtr<StyleSheetContents> restoreParsedStyleSheet(const CSSParserContext&); 52 void saveParsedStyleSheet(PassRefPtr<StyleSheetContents>); 53 54 private: 55 bool canUseSheet(bool enforceMIMEType, bool* hasValidMIMEType) const; 56 57 protected: 58 virtual void checkNotify(); 59 60 OwnPtr<TextResourceDecoder> m_decoder; 61 String m_decodedSheetText; 62 63 RefPtr<StyleSheetContents> m_parsedStyleSheetCache; 64 }; 65 66 DEFINE_RESOURCE_TYPE_CASTS(CSSStyleSheet); 67 68 } 69 70 #endif 71
