1 /* 2 * Copyright (C) 2009 Apple Inc. All Rights Reserved. 3 * Copyright (C) 2009, 2011 Google Inc. All Rights Reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28 #ifndef WorkerScriptLoader_h 29 #define WorkerScriptLoader_h 30 31 #include "core/loader/ThreadableLoader.h" 32 #include "core/loader/ThreadableLoaderClient.h" 33 #include "platform/network/ResourceRequest.h" 34 #include "platform/weborigin/KURL.h" 35 #include "wtf/FastAllocBase.h" 36 #include "wtf/PassRefPtr.h" 37 #include "wtf/RefCounted.h" 38 #include "wtf/text/StringBuilder.h" 39 40 namespace WebCore { 41 42 class ResourceRequest; 43 class ResourceResponse; 44 class ExecutionContext; 45 class TextResourceDecoder; 46 class WorkerScriptLoaderClient; 47 48 class WorkerScriptLoader FINAL : public RefCounted<WorkerScriptLoader>, public ThreadableLoaderClient { 49 WTF_MAKE_FAST_ALLOCATED; 50 public: create()51 static PassRefPtr<WorkerScriptLoader> create() 52 { 53 return adoptRef(new WorkerScriptLoader()); 54 } 55 56 void loadSynchronously(ExecutionContext&, const KURL&, CrossOriginRequestPolicy); 57 void loadAsynchronously(ExecutionContext&, const KURL&, CrossOriginRequestPolicy, WorkerScriptLoaderClient*); 58 59 void notifyError(); 60 61 // This will immediately lead to notifyFinished() if loadAsynchronously 62 // is in progress. 63 void cancel(); 64 setClient(WorkerScriptLoaderClient * client)65 void setClient(WorkerScriptLoaderClient* client) { m_client = client; } 66 67 String script(); url()68 const KURL& url() const { return m_url; } 69 const KURL& responseURL() const; failed()70 bool failed() const { return m_failed; } identifier()71 unsigned long identifier() const { return m_identifier; } 72 73 virtual void didReceiveResponse(unsigned long /*identifier*/, const ResourceResponse&) OVERRIDE; 74 virtual void didReceiveData(const char* data, int dataLength) OVERRIDE; 75 virtual void didFinishLoading(unsigned long identifier, double) OVERRIDE; 76 virtual void didFail(const ResourceError&) OVERRIDE; 77 virtual void didFailRedirectCheck() OVERRIDE; 78 setTargetType(ResourceRequest::TargetType targetType)79 void setTargetType(ResourceRequest::TargetType targetType) { m_targetType = targetType; } 80 81 private: 82 friend class WTF::RefCounted<WorkerScriptLoader>; 83 84 WorkerScriptLoader(); 85 virtual ~WorkerScriptLoader(); 86 87 PassOwnPtr<ResourceRequest> createResourceRequest(); 88 void notifyFinished(); 89 90 WorkerScriptLoaderClient* m_client; 91 RefPtr<ThreadableLoader> m_threadableLoader; 92 String m_responseEncoding; 93 OwnPtr<TextResourceDecoder> m_decoder; 94 StringBuilder m_script; 95 KURL m_url; 96 KURL m_responseURL; 97 bool m_failed; 98 unsigned long m_identifier; 99 bool m_finishing; 100 ResourceRequest::TargetType m_targetType; 101 }; 102 103 } // namespace WebCore 104 105 #endif // WorkerScriptLoader_h 106