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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 WebWorkerBase_h | |
| 32 #define WebWorkerBase_h | |
| 33 | |
| 34 #if ENABLE(WORKERS) | |
| 35 | |
| 36 #include "ScriptExecutionContext.h" | |
| 37 #include "WorkerLoaderProxy.h" | |
| 38 #include "WorkerObjectProxy.h" | |
| 39 #include <wtf/PassOwnPtr.h> | |
| 40 #include <wtf/RefPtr.h> | |
| 41 | |
| 42 namespace WebCore { | |
| 43 class WorkerThread; | |
| 44 } | |
| 45 | |
| 46 namespace WebKit { | |
| 47 class WebCommonWorkerClient; | |
| 48 class WebURL; | |
| 49 class WebView; | |
| 50 class WebWorkerClient; | |
| 51 | |
| 52 // Base class for WebSharedWorkerImpl and WebWorkerImpl. It contains common | |
| 53 // code used by both implementation classes, including implementations of the | |
| 54 // WorkerObjectProxy and WorkerLoaderProxy interfaces. | |
| 55 class WebWorkerBase : public WebCore::WorkerObjectProxy | |
| 56 , public WebCore::WorkerLoaderProxy { | |
| 57 public: | |
| 58 WebWorkerBase(); | |
| 59 virtual ~WebWorkerBase(); | |
| 60 | |
| 61 // WebCore::WorkerObjectProxy methods: | |
| 62 virtual void postMessageToWorkerObject( | |
| 63 PassRefPtr<WebCore::SerializedScriptValue>, | |
| 64 PassOwnPtr<WebCore::MessagePortChannelArray>); | |
| 65 virtual void postExceptionToWorkerObject( | |
| 66 const WebCore::String&, int, const WebCore::String&); | |
| 67 virtual void postConsoleMessageToWorkerObject( | |
| 68 WebCore::MessageDestination, WebCore::MessageSource, WebCore::MessageType, | |
| 69 WebCore::MessageLevel, const WebCore::String&, int, const WebCore::String&); | |
| 70 virtual void confirmMessageFromWorkerObject(bool); | |
| 71 virtual void reportPendingActivity(bool); | |
| 72 virtual void workerContextClosed(); | |
| 73 virtual void workerContextDestroyed(); | |
| 74 | |
| 75 // WebCore::WorkerLoaderProxy methods: | |
| 76 virtual void postTaskToLoader(PassOwnPtr<WebCore::ScriptExecutionContext::Task>); | |
| 77 virtual void postTaskForModeToWorkerContext( | |
| 78 PassOwnPtr<WebCore::ScriptExecutionContext::Task>, const WebCore::String& mode); | |
| 79 | |
| 80 // Executes the given task on the main thread. | |
| 81 static void dispatchTaskToMainThread(PassOwnPtr<WebCore::ScriptExecutionContext::Task>); | |
| 82 | |
| 83 protected: | |
| 84 virtual WebWorkerClient* client() = 0; | |
| 85 virtual WebCommonWorkerClient* commonClient() = 0; | |
| 86 | |
| 87 void setWorkerThread(PassRefPtr<WebCore::WorkerThread> thread) { m_workerThread = thread; } | |
| 88 WebCore::WorkerThread* workerThread() { return m_workerThread.get(); } | |
| 89 | |
| 90 // Shuts down the worker thread. | |
| 91 void stopWorkerThread(); | |
| 92 | |
| 93 // Creates the shadow loader used for worker network requests. | |
| 94 void initializeLoader(const WebURL&); | |
| 95 | |
| 96 private: | |
| 97 // Function used to invoke tasks on the main thread. | |
| 98 static void invokeTaskMethod(void*); | |
| 99 | |
| 100 // Tasks that are run on the main thread. | |
| 101 static void postMessageTask( | |
| 102 WebCore::ScriptExecutionContext* context, | |
| 103 WebWorkerBase* thisPtr, | |
| 104 WebCore::String message, | |
| 105 PassOwnPtr<WebCore::MessagePortChannelArray> channels); | |
| 106 static void postExceptionTask( | |
| 107 WebCore::ScriptExecutionContext* context, | |
| 108 WebWorkerBase* thisPtr, | |
| 109 const WebCore::String& message, | |
| 110 int lineNumber, | |
| 111 const WebCore::String& sourceURL); | |
| 112 static void postConsoleMessageTask( | |
| 113 WebCore::ScriptExecutionContext* context, | |
| 114 WebWorkerBase* thisPtr, | |
| 115 int destination, | |
| 116 int source, | |
| 117 int type, | |
| 118 int level, | |
| 119 const WebCore::String& message, | |
| 120 int lineNumber, | |
| 121 const WebCore::String& sourceURL); | |
| 122 static void confirmMessageTask( | |
| 123 WebCore::ScriptExecutionContext* context, | |
| 124 WebWorkerBase* thisPtr, | |
| 125 bool hasPendingActivity); | |
| 126 static void reportPendingActivityTask( | |
| 127 WebCore::ScriptExecutionContext* context, | |
| 128 WebWorkerBase* thisPtr, | |
| 129 bool hasPendingActivity); | |
| 130 static void workerContextClosedTask( | |
| 131 WebCore::ScriptExecutionContext* context, | |
| 132 WebWorkerBase* thisPtr); | |
| 133 static void workerContextDestroyedTask( | |
| 134 WebCore::ScriptExecutionContext* context, | |
| 135 WebWorkerBase* thisPtr); | |
| 136 | |
| 137 // 'shadow page' - created to proxy loading requests from the worker. | |
| 138 RefPtr<WebCore::ScriptExecutionContext> m_loadingDocument; | |
| 139 WebView* m_webView; | |
| 140 bool m_askedToTerminate; | |
| 141 | |
| 142 RefPtr<WebCore::WorkerThread> m_workerThread; | |
| 143 }; | |
| 144 | |
| 145 } // namespace WebKit | |
| 146 | |
| 147 #endif // ENABLE(WORKERS) | |
| 148 | |
| 149 #endif | |
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Chromium Code Reviews
Issue 385057:
Deleted webkit/api which now lives in webkit.org (Closed)
