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| 1 /* | |
| 2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef WebWorkerClientImpl_h | |
| 32 #define WebWorkerClientImpl_h | |
| 33 | |
| 34 #if ENABLE(WORKERS) | |
| 35 | |
| 36 // FIXME: fix to just "WebWorkerClient.h" once nobody in glue depends on us. | |
| 37 #include "../public/WebWorkerClient.h" | |
| 38 | |
| 39 #include "WorkerContextProxy.h" | |
| 40 #include <wtf/PassOwnPtr.h> | |
| 41 #include <wtf/RefPtr.h> | |
| 42 | |
| 43 namespace WebCore { | |
| 44 class ScriptExecutionContext; | |
| 45 } | |
| 46 | |
| 47 namespace WebKit { | |
| 48 class WebWorker; | |
| 49 | |
| 50 // The purpose of this class is to provide a WorkerContextProxy | |
| 51 // implementation that we can give to WebKit. Internally, it converts the | |
| 52 // data types to Chrome compatible ones so that renderer code can use it over | |
| 53 // IPC. | |
| 54 class WebWorkerClientImpl : public WebCore::WorkerContextProxy | |
| 55 , public WebWorkerClient { | |
| 56 public: | |
| 57 WebWorkerClientImpl(WebCore::Worker*); | |
| 58 | |
| 59 // WebCore::WorkerContextProxy Factory. | |
| 60 static WebCore::WorkerContextProxy* createWorkerContextProxy(WebCore::Worker*); | |
| 61 void setWebWorker(WebWorker*); | |
| 62 | |
| 63 // WebCore::WorkerContextProxy methods: | |
| 64 // These are called on the thread that created the worker. In the renderer | |
| 65 // process, this will be the main WebKit thread. In the worker process, this | |
| 66 // will be the thread of the executing worker (not the main WebKit thread). | |
| 67 virtual void startWorkerContext(const WebCore::KURL&, | |
| 68 const WebCore::String&, | |
| 69 const WebCore::String&); | |
| 70 virtual void terminateWorkerContext(); | |
| 71 virtual void postMessageToWorkerContext( | |
| 72 PassRefPtr<WebCore::SerializedScriptValue> message, | |
| 73 PassOwnPtr<WebCore::MessagePortChannelArray> channels); | |
| 74 virtual bool hasPendingActivity() const; | |
| 75 virtual void workerObjectDestroyed(); | |
| 76 | |
| 77 // WebWorkerClient methods: | |
| 78 // These are called on the main WebKit thread. | |
| 79 virtual void postMessageToWorkerObject(const WebString&, const WebMessagePortChannelArray&); | |
| 80 virtual void postExceptionToWorkerObject(const WebString&, int, const WebString&); | |
| 81 virtual void postConsoleMessageToWorkerObject(int, int, int, int, const WebString&, | |
| 82 int, const WebString&); | |
| 83 virtual void confirmMessageFromWorkerObject(bool); | |
| 84 virtual void reportPendingActivity(bool); | |
| 85 virtual void workerContextClosed(); | |
| 86 virtual void workerContextDestroyed(); | |
| 87 virtual WebWorker* createWorker(WebWorkerClient*) { return 0; } | |
| 88 virtual WebNotificationPresenter* notificationPresenter() | |
| 89 { | |
| 90 // FIXME: Notifications not yet supported in workers. | |
| 91 return 0; | |
| 92 } | |
| 93 | |
| 94 private: | |
| 95 virtual ~WebWorkerClientImpl(); | |
| 96 | |
| 97 // Methods used to support WebWorkerClientImpl being constructed on worker | |
| 98 // threads. | |
| 99 // These tasks are dispatched on the WebKit thread. | |
| 100 static void startWorkerContextTask(WebCore::ScriptExecutionContext* context, | |
| 101 WebWorkerClientImpl* thisPtr, | |
| 102 const WebCore::String& scriptURL, | |
| 103 const WebCore::String& userAgent, | |
| 104 const WebCore::String& sourceCode); | |
| 105 static void terminateWorkerContextTask(WebCore::ScriptExecutionContext* context, | |
| 106 WebWorkerClientImpl* thisPtr); | |
| 107 static void postMessageToWorkerContextTask(WebCore::ScriptExecutionContext* context, | |
| 108 WebWorkerClientImpl* thisPtr, | |
| 109 const WebCore::String& message, | |
| 110 PassOwnPtr<WebCore::MessagePortChannelArray> channels); | |
| 111 static void workerObjectDestroyedTask(WebCore::ScriptExecutionContext* context, | |
| 112 WebWorkerClientImpl* thisPtr); | |
| 113 | |
| 114 // These tasks are dispatched on the thread that created the worker (i.e. | |
| 115 // main WebKit thread in renderer process, and the worker thread in the | |
| 116 // worker process). | |
| 117 static void postMessageToWorkerObjectTask(WebCore::ScriptExecutionContext* context, | |
| 118 WebWorkerClientImpl* thisPtr, | |
| 119 const WebCore::String& message, | |
| 120 PassOwnPtr<WebCore::MessagePortChannelArray> channels); | |
| 121 static void postExceptionToWorkerObjectTask(WebCore::ScriptExecutionContext* context, | |
| 122 WebWorkerClientImpl* thisPtr, | |
| 123 const WebCore::String& message, | |
| 124 int lineNumber, | |
| 125 const WebCore::String& sourceURL); | |
| 126 static void postConsoleMessageToWorkerObjectTask(WebCore::ScriptExecutionContext* context, | |
| 127 WebWorkerClientImpl* thisPtr, | |
| 128 int destinationId, | |
| 129 int sourceId, | |
| 130 int messageType, | |
| 131 int messageLevel, | |
| 132 const WebCore::String& message, | |
| 133 int lineNumber, | |
| 134 const WebCore::String& sourceURL); | |
| 135 static void confirmMessageFromWorkerObjectTask(WebCore::ScriptExecutionContext* context, | |
| 136 WebWorkerClientImpl* thisPtr); | |
| 137 static void reportPendingActivityTask(WebCore::ScriptExecutionContext* context, | |
| 138 WebWorkerClientImpl* thisPtr, | |
| 139 bool hasPendingActivity); | |
| 140 | |
| 141 // Guard against context from being destroyed before a worker exits. | |
| 142 RefPtr<WebCore::ScriptExecutionContext> m_scriptExecutionContext; | |
| 143 | |
| 144 WebCore::Worker* m_worker; | |
| 145 WebWorker* m_webWorker; | |
| 146 bool m_askedToTerminate; | |
| 147 unsigned m_unconfirmedMessageCount; | |
| 148 bool m_workerContextHadPendingActivity; | |
| 149 ThreadIdentifier m_workerThreadId; | |
| 150 }; | |
| 151 | |
| 152 } // namespace WebKit; | |
| 153 | |
| 154 #endif // ENABLE(WORKERS) | |
| 155 | |
| 156 #endif | |
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Chromium Code Reviews
Issue 385057:
Deleted webkit/api which now lives in webkit.org (Closed)
