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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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46 class ResourceError; | 46 class ResourceError; |
47 class ResourceRequest; | 47 class ResourceRequest; |
48 class WorkerGlobalScope; | 48 class WorkerGlobalScope; |
49 class WorkerLoaderProxy; | 49 class WorkerLoaderProxy; |
50 struct CrossThreadResourceResponseData; | 50 struct CrossThreadResourceResponseData; |
51 struct CrossThreadResourceRequestData; | 51 struct CrossThreadResourceRequestData; |
52 | 52 |
53 class WorkerThreadableLoader FINAL : public ThreadableLoader { | 53 class WorkerThreadableLoader FINAL : public ThreadableLoader { |
54 WTF_MAKE_FAST_ALLOCATED; | 54 WTF_MAKE_FAST_ALLOCATED; |
55 public: | 55 public: |
56 static void loadResourceSynchronously(WorkerGlobalScope&, const Resource
Request&, ThreadableLoaderClient&, const ThreadableLoaderOptions&); | 56 static void loadResourceSynchronously(WorkerGlobalScope&, const Resource
Request&, ThreadableLoaderClient&, const ThreadableLoaderOptions&, const Resourc
eLoaderOptions&); |
57 static PassRefPtr<WorkerThreadableLoader> create(WorkerGlobalScope& work
erGlobalScope, PassRefPtr<ThreadableLoaderClientWrapper> clientWrapper, PassOwnP
tr<ThreadableLoaderClient> clientBridge, const ResourceRequest& request, const T
hreadableLoaderOptions& options) | 57 static PassRefPtr<WorkerThreadableLoader> create(WorkerGlobalScope& work
erGlobalScope, PassRefPtr<ThreadableLoaderClientWrapper> clientWrapper, PassOwnP
tr<ThreadableLoaderClient> clientBridge, const ResourceRequest& request, const T
hreadableLoaderOptions& options, const ResourceLoaderOptions& resourceLoaderOpti
ons) |
58 { | 58 { |
59 return adoptRef(new WorkerThreadableLoader(workerGlobalScope, client
Wrapper, clientBridge, request, options)); | 59 return adoptRef(new WorkerThreadableLoader(workerGlobalScope, client
Wrapper, clientBridge, request, options, resourceLoaderOptions)); |
60 } | 60 } |
61 | 61 |
62 virtual ~WorkerThreadableLoader(); | 62 virtual ~WorkerThreadableLoader(); |
63 | 63 |
64 virtual void cancel() OVERRIDE; | 64 virtual void cancel() OVERRIDE; |
65 | 65 |
66 bool done() const { return m_workerClientWrapper->done(); } | 66 bool done() const { return m_workerClientWrapper->done(); } |
67 | 67 |
68 private: | 68 private: |
69 // Creates a loader on the main thread and bridges communication between | 69 // Creates a loader on the main thread and bridges communication between |
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81 // | 81 // |
82 // case 2. xhr gets aborted and the worker context continues running. | 82 // case 2. xhr gets aborted and the worker context continues running. |
83 // The ThreadableLoaderClientWrapper has the underlying client cleare
d, so no more calls | 83 // The ThreadableLoaderClientWrapper has the underlying client cleare
d, so no more calls |
84 // go through it. All tasks posted from the worker object's thread t
o the worker context's | 84 // go through it. All tasks posted from the worker object's thread t
o the worker context's |
85 // thread do "ThreadableLoaderClientWrapper::ref" (automatically insi
de of the cross thread copy | 85 // thread do "ThreadableLoaderClientWrapper::ref" (automatically insi
de of the cross thread copy |
86 // done in createCallbackTask), so the ThreadableLoaderClientWrapper
instance is there until all | 86 // done in createCallbackTask), so the ThreadableLoaderClientWrapper
instance is there until all |
87 // tasks are executed. | 87 // tasks are executed. |
88 class MainThreadBridge FINAL : public ThreadableLoaderClient { | 88 class MainThreadBridge FINAL : public ThreadableLoaderClient { |
89 public: | 89 public: |
90 // All executed on the worker context's thread. | 90 // All executed on the worker context's thread. |
91 MainThreadBridge(PassRefPtr<ThreadableLoaderClientWrapper>, PassOwnP
tr<ThreadableLoaderClient>, WorkerLoaderProxy&, const ResourceRequest&, const Th
readableLoaderOptions&, const String& outgoingReferrer); | 91 MainThreadBridge(PassRefPtr<ThreadableLoaderClientWrapper>, PassOwnP
tr<ThreadableLoaderClient>, WorkerLoaderProxy&, const ResourceRequest&, const Th
readableLoaderOptions&, const ResourceLoaderOptions&, const String& outgoingRefe
rrer); |
92 void cancel(); | 92 void cancel(); |
93 void destroy(); | 93 void destroy(); |
94 | 94 |
95 private: | 95 private: |
96 // Executed on the worker context's thread. | 96 // Executed on the worker context's thread. |
97 void clearClientWrapper(); | 97 void clearClientWrapper(); |
98 | 98 |
99 // All executed on the main thread. | 99 // All executed on the main thread. |
100 static void mainThreadDestroy(ExecutionContext*, MainThreadBridge*); | 100 static void mainThreadDestroy(ExecutionContext*, MainThreadBridge*); |
101 virtual ~MainThreadBridge(); | 101 virtual ~MainThreadBridge(); |
102 | 102 |
103 static void mainThreadCreateLoader(ExecutionContext*, MainThreadBrid
ge*, PassOwnPtr<CrossThreadResourceRequestData>, ThreadableLoaderOptions, const
String& outgoingReferrer); | 103 static void mainThreadCreateLoader(ExecutionContext*, MainThreadBrid
ge*, PassOwnPtr<CrossThreadResourceRequestData>, ThreadableLoaderOptions, Resour
ceLoaderOptions, const String& outgoingReferrer); |
104 static void mainThreadCancel(ExecutionContext*, MainThreadBridge*); | 104 static void mainThreadCancel(ExecutionContext*, MainThreadBridge*); |
105 virtual void didSendData(unsigned long long bytesSent, unsigned long
long totalBytesToBeSent) OVERRIDE; | 105 virtual void didSendData(unsigned long long bytesSent, unsigned long
long totalBytesToBeSent) OVERRIDE; |
106 virtual void didReceiveResponse(unsigned long identifier, const Reso
urceResponse&) OVERRIDE; | 106 virtual void didReceiveResponse(unsigned long identifier, const Reso
urceResponse&) OVERRIDE; |
107 virtual void didReceiveData(const char*, int dataLength) OVERRIDE; | 107 virtual void didReceiveData(const char*, int dataLength) OVERRIDE; |
108 virtual void didDownloadData(int dataLength) OVERRIDE; | 108 virtual void didDownloadData(int dataLength) OVERRIDE; |
109 virtual void didReceiveCachedMetadata(const char*, int dataLength) O
VERRIDE; | 109 virtual void didReceiveCachedMetadata(const char*, int dataLength) O
VERRIDE; |
110 virtual void didFinishLoading(unsigned long identifier, double finis
hTime) OVERRIDE; | 110 virtual void didFinishLoading(unsigned long identifier, double finis
hTime) OVERRIDE; |
111 virtual void didFail(const ResourceError&) OVERRIDE; | 111 virtual void didFail(const ResourceError&) OVERRIDE; |
112 virtual void didFailAccessControlCheck(const ResourceError&) OVERRID
E; | 112 virtual void didFailAccessControlCheck(const ResourceError&) OVERRID
E; |
113 virtual void didFailRedirectCheck() OVERRIDE; | 113 virtual void didFailRedirectCheck() OVERRIDE; |
114 | 114 |
115 // Only to be used on the main thread. | 115 // Only to be used on the main thread. |
116 RefPtr<ThreadableLoader> m_mainThreadLoader; | 116 RefPtr<ThreadableLoader> m_mainThreadLoader; |
117 OwnPtr<ThreadableLoaderClient> m_clientBridge; | 117 OwnPtr<ThreadableLoaderClient> m_clientBridge; |
118 | 118 |
119 // ThreadableLoaderClientWrapper is to be used on the worker context
thread. | 119 // ThreadableLoaderClientWrapper is to be used on the worker context
thread. |
120 // The ref counting is done on either thread. | 120 // The ref counting is done on either thread. |
121 RefPtr<ThreadableLoaderClientWrapper> m_workerClientWrapper; | 121 RefPtr<ThreadableLoaderClientWrapper> m_workerClientWrapper; |
122 | 122 |
123 // Used on the worker context thread. | 123 // Used on the worker context thread. |
124 WorkerLoaderProxy& m_loaderProxy; | 124 WorkerLoaderProxy& m_loaderProxy; |
125 }; | 125 }; |
126 | 126 |
127 WorkerThreadableLoader(WorkerGlobalScope&, PassRefPtr<ThreadableLoaderCl
ientWrapper>, PassOwnPtr<ThreadableLoaderClient>, const ResourceRequest&, const
ThreadableLoaderOptions&); | 127 WorkerThreadableLoader(WorkerGlobalScope&, PassRefPtr<ThreadableLoaderCl
ientWrapper>, PassOwnPtr<ThreadableLoaderClient>, const ResourceRequest&, const
ThreadableLoaderOptions&, const ResourceLoaderOptions&); |
128 | 128 |
129 RefPtrWillBePersistent<WorkerGlobalScope> m_workerGlobalScope; | 129 RefPtrWillBePersistent<WorkerGlobalScope> m_workerGlobalScope; |
130 RefPtr<ThreadableLoaderClientWrapper> m_workerClientWrapper; | 130 RefPtr<ThreadableLoaderClientWrapper> m_workerClientWrapper; |
131 MainThreadBridge& m_bridge; | 131 MainThreadBridge& m_bridge; |
132 }; | 132 }; |
133 | 133 |
134 } // namespace WebCore | 134 } // namespace WebCore |
135 | 135 |
136 #endif // WorkerThreadableLoader_h | 136 #endif // WorkerThreadableLoader_h |
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