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 "public/platform/WebURLRequest.h" 36 #include "wtf/FastAllocBase.h" 37 #include "wtf/PassRefPtr.h" 38 #include "wtf/RefCounted.h" 39 #include "wtf/text/StringBuilder.h" 40 41 namespace blink { 42 43 class ResourceRequest; 44 class ResourceResponse; 45 class ExecutionContext; 46 class TextResourceDecoder; 47 class WorkerScriptLoaderClient; 48 49 class WorkerScriptLoader FINAL : public RefCounted<WorkerScriptLoader>, public ThreadableLoaderClient { 50 WTF_MAKE_FAST_ALLOCATED; 51 public: 52 static PassRefPtr<WorkerScriptLoader> create() 53 { 54 return adoptRef(new WorkerScriptLoader()); 55 } 56 57 void loadSynchronously(ExecutionContext&, const KURL&, CrossOriginRequestPolicy); 58 void loadAsynchronously(ExecutionContext&, const KURL&, CrossOriginRequestPolicy, WorkerScriptLoaderClient*); 59 60 void notifyError(); 61 62 // This will immediately lead to notifyFinished() if loadAsynchronously 63 // is in progress. 64 void cancel(); 65 66 void setClient(WorkerScriptLoaderClient* client) { m_client = client; } 67 68 String script(); 69 const KURL& url() const { return m_url; } 70 const KURL& responseURL() const; 71 bool failed() const { return m_failed; } 72 unsigned long identifier() const { return m_identifier; } 73 74 virtual void didReceiveResponse(unsigned long /*identifier*/, const ResourceResponse&) OVERRIDE; 75 virtual void didReceiveData(const char* data, int dataLength) OVERRIDE; 76 virtual void didFinishLoading(unsigned long identifier, double) OVERRIDE; 77 virtual void didFail(const ResourceError&) OVERRIDE; 78 virtual void didFailRedirectCheck() OVERRIDE; 79 80 void setRequestContext(blink::WebURLRequest::RequestContext requestContext) { m_requestContext = requestContext; } 81 82 private: 83 friend class WTF::RefCounted<WorkerScriptLoader>; 84 85 WorkerScriptLoader(); 86 virtual ~WorkerScriptLoader(); 87 88 PassOwnPtr<ResourceRequest> createResourceRequest(); 89 void notifyFinished(); 90 91 WorkerScriptLoaderClient* m_client; 92 RefPtr<ThreadableLoader> m_threadableLoader; 93 String m_responseEncoding; 94 OwnPtr<TextResourceDecoder> m_decoder; 95 StringBuilder m_script; 96 KURL m_url; 97 KURL m_responseURL; 98 bool m_failed; 99 unsigned long m_identifier; 100 bool m_finishing; 101 blink::WebURLRequest::RequestContext m_requestContext; 102 }; 103 104 } // namespace blink 105 106 #endif // WorkerScriptLoader_h 107
