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#if ENABLE(WORKERS) 32 33#include "KURL.h" 34#include "ResourceRequest.h" 35#include "ThreadableLoader.h" 36#include "ThreadableLoaderClient.h" 37 38#include <wtf/FastAllocBase.h> 39#include <wtf/PassRefPtr.h> 40#include <wtf/RefCounted.h> 41#include <wtf/text/StringBuilder.h> 42 43namespace WebCore { 44 45 class ResourceRequest; 46 class ResourceResponse; 47 class ScriptExecutionContext; 48 class TextResourceDecoder; 49 class WorkerScriptLoaderClient; 50 51 class WorkerScriptLoader : public RefCounted<WorkerScriptLoader>, public ThreadableLoaderClient { 52 WTF_MAKE_FAST_ALLOCATED; 53 public: 54 static PassRefPtr<WorkerScriptLoader> create() 55 { 56 return adoptRef(new WorkerScriptLoader()); 57 } 58 59 void loadSynchronously(ScriptExecutionContext*, const KURL&, CrossOriginRequestPolicy); 60 void loadAsynchronously(ScriptExecutionContext*, const KURL&, CrossOriginRequestPolicy, WorkerScriptLoaderClient*); 61 62 void notifyError(); 63 64 String script(); 65 const KURL& url() const { return m_url; } 66 const KURL& responseURL() const; 67 bool failed() const { return m_failed; } 68 unsigned long identifier() const { return m_identifier; } 69 70 virtual void didReceiveResponse(unsigned long /*identifier*/, const ResourceResponse&) OVERRIDE; 71 virtual void didReceiveData(const char* data, int dataLength) OVERRIDE; 72 virtual void didFinishLoading(unsigned long identifier, double) OVERRIDE; 73 virtual void didFail(const ResourceError&) OVERRIDE; 74 virtual void didFailRedirectCheck() OVERRIDE; 75 76#if PLATFORM(BLACKBERRY) 77 void setTargetType(ResourceRequest::TargetType targetType) { m_targetType = targetType; } 78#endif 79 80 private: 81 friend class WTF::RefCounted<WorkerScriptLoader>; 82 83 WorkerScriptLoader(); 84 ~WorkerScriptLoader(); 85 86 PassOwnPtr<ResourceRequest> createResourceRequest(); 87 void notifyFinished(); 88 89 WorkerScriptLoaderClient* m_client; 90 RefPtr<ThreadableLoader> m_threadableLoader; 91 String m_responseEncoding; 92 RefPtr<TextResourceDecoder> m_decoder; 93 StringBuilder m_script; 94 KURL m_url; 95 KURL m_responseURL; 96 bool m_failed; 97 unsigned long m_identifier; 98 bool m_finishing; 99#if PLATFORM(BLACKBERRY) 100 ResourceRequest::TargetType m_targetType; 101#endif 102 }; 103 104} // namespace WebCore 105 106#endif // ENABLE(WORKERS) 107 108#endif // WorkerScriptLoader_h 109