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 CachedScript_h 27 #define CachedScript_h 28 29 #include "CachedResource.h" 30 #include "Timer.h" 31 32 #if USE(JSC) 33 namespace JSC { 34 class SourceProviderCache; 35 } 36 #endif 37 38 namespace WebCore { 39 40 class CachedResourceLoader; 41 class TextResourceDecoder; 42 43 class CachedScript : public CachedResource { 44 public: 45 CachedScript(const String& url, const String& charset); 46 virtual ~CachedScript(); 47 48 const String& script(); 49 50 virtual void didAddClient(CachedResourceClient*); 51 virtual void allClientsRemoved(); 52 53 virtual void setEncoding(const String&); 54 virtual String encoding() const; 55 virtual void data(PassRefPtr<SharedBuffer> data, bool allDataReceived); 56 virtual void error(Status); 57 58 virtual void destroyDecodedData(); 59 #if USE(JSC) 60 // Allows JSC to cache additional information about the source. 61 JSC::SourceProviderCache* sourceProviderCache() const; 62 void sourceProviderCacheSizeChanged(int delta); 63 #endif 64 private: 65 void decodedDataDeletionTimerFired(Timer<CachedScript>*); purgePriority()66 virtual PurgePriority purgePriority() const { return PurgeLast; } 67 68 String m_script; 69 RefPtr<TextResourceDecoder> m_decoder; 70 Timer<CachedScript> m_decodedDataDeletionTimer; 71 #if USE(JSC) 72 mutable OwnPtr<JSC::SourceProviderCache> m_sourceProviderCache; 73 #endif 74 }; 75 } 76 77 #endif 78