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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef WEBKIT_GLUE_WEBWORKER_IMPL_H_ | |
| 6 #define WEBKIT_GLUE_WEBWORKER_IMPL_H_ | |
| 7 | |
| 8 #include "webkit/api/public/WebWorker.h" | |
| 9 | |
| 10 #if ENABLE(WORKERS) | |
| 11 | |
| 12 #include "ScriptExecutionContext.h" | |
| 13 #include "WorkerLoaderProxy.h" | |
| 14 #include "WorkerObjectProxy.h" | |
| 15 #include <wtf/PassOwnPtr.h> | |
| 16 #include <wtf/RefPtr.h> | |
| 17 | |
| 18 namespace WebCore { | |
| 19 class WorkerThread; | |
| 20 } | |
| 21 | |
| 22 namespace WebKit { | |
| 23 class WebView; | |
| 24 } | |
| 25 | |
| 26 // This class is used by the worker process code to talk to the WebCore::Worker | |
| 27 // implementation. It can't use it directly since it uses WebKit types, so this | |
| 28 // class converts the data types. When the WebCore::Worker object wants to call | |
| 29 // WebCore::WorkerObjectProxy, this class will conver to Chrome data types first | |
| 30 // and then call the supplied WebWorkerClient. | |
| 31 class WebWorkerImpl: public WebCore::WorkerObjectProxy, | |
| 32 public WebCore::WorkerLoaderProxy, | |
| 33 public WebKit::WebWorker { | |
| 34 public: | |
| 35 explicit WebWorkerImpl(WebKit::WebWorkerClient* client); | |
| 36 | |
| 37 // WebCore::WorkerObjectProxy methods: | |
| 38 virtual void postMessageToWorkerObject( | |
| 39 WTF::PassRefPtr<WebCore::SerializedScriptValue> message, | |
| 40 WTF::PassOwnPtr<WebCore::MessagePortChannelArray> channels); | |
| 41 virtual void postExceptionToWorkerObject( | |
| 42 const WebCore::String& error_message, | |
| 43 int line_number, | |
| 44 const WebCore::String& source_url); | |
| 45 virtual void postConsoleMessageToWorkerObject( | |
| 46 WebCore::MessageDestination destination, | |
| 47 WebCore::MessageSource source, | |
| 48 WebCore::MessageType type, | |
| 49 WebCore::MessageLevel level, | |
| 50 const WebCore::String& message, | |
| 51 int line_number, | |
| 52 const WebCore::String& source_url); | |
| 53 virtual void confirmMessageFromWorkerObject(bool has_pending_activity); | |
| 54 virtual void reportPendingActivity(bool has_pending_activity); | |
| 55 virtual void workerContextDestroyed(); | |
| 56 | |
| 57 // WebCore::WorkerLoaderProxy methods: | |
| 58 virtual void postTaskToLoader( | |
| 59 WTF::PassRefPtr<WebCore::ScriptExecutionContext::Task>); | |
| 60 virtual void postTaskForModeToWorkerContext( | |
| 61 WTF::PassRefPtr<WebCore::ScriptExecutionContext::Task>, | |
| 62 const WebCore::String& mode); | |
| 63 | |
| 64 // WebWorker methods: | |
| 65 virtual void startWorkerContext(const WebKit::WebURL& script_url, | |
| 66 const WebKit::WebString& user_agent, | |
| 67 const WebKit::WebString& source_code); | |
| 68 virtual void terminateWorkerContext(); | |
| 69 virtual void postMessageToWorkerContext( | |
| 70 const WebKit::WebString& message, | |
| 71 const WebKit::WebMessagePortChannelArray& channel); | |
| 72 virtual void workerObjectDestroyed(); | |
| 73 virtual void clientDestroyed(); | |
| 74 | |
| 75 WebKit::WebWorkerClient* client() { return client_; } | |
| 76 | |
| 77 // Executes the given task on the main thread. | |
| 78 static void DispatchTaskToMainThread( | |
| 79 PassRefPtr<WebCore::ScriptExecutionContext::Task> task); | |
| 80 | |
| 81 private: | |
| 82 virtual ~WebWorkerImpl(); | |
| 83 | |
| 84 // Tasks that are run on the worker thread. | |
| 85 static void PostMessageToWorkerContextTask( | |
| 86 WebCore::ScriptExecutionContext* context, | |
| 87 WebWorkerImpl* this_ptr, | |
| 88 const WebCore::String& message, | |
| 89 WTF::PassOwnPtr<WebCore::MessagePortChannelArray> channels); | |
| 90 | |
| 91 // Function used to invoke tasks on the main thread. | |
| 92 static void InvokeTaskMethod(void* param); | |
| 93 | |
| 94 // Tasks that are run on the main thread. | |
| 95 static void PostMessageTask( | |
| 96 WebCore::ScriptExecutionContext* context, | |
| 97 WebWorkerImpl* this_ptr, | |
| 98 WebCore::String message, | |
| 99 WTF::PassOwnPtr<WebCore::MessagePortChannelArray> channels); | |
| 100 static void PostExceptionTask( | |
| 101 WebCore::ScriptExecutionContext* context, | |
| 102 WebWorkerImpl* this_ptr, | |
| 103 const WebCore::String& error_message, | |
| 104 int line_number, | |
| 105 const WebCore::String& source_url); | |
| 106 static void PostConsoleMessageTask( | |
| 107 WebCore::ScriptExecutionContext* context, | |
| 108 WebWorkerImpl* this_ptr, | |
| 109 int destination, | |
| 110 int source, | |
| 111 int type, | |
| 112 int level, | |
| 113 const WebCore::String& message, | |
| 114 int line_number, | |
| 115 const WebCore::String& source_url); | |
| 116 static void ConfirmMessageTask( | |
| 117 WebCore::ScriptExecutionContext* context, | |
| 118 WebWorkerImpl* this_ptr, | |
| 119 bool has_pending_activity); | |
| 120 static void ReportPendingActivityTask( | |
| 121 WebCore::ScriptExecutionContext* context, | |
| 122 WebWorkerImpl* this_ptr, | |
| 123 bool has_pending_activity); | |
| 124 static void WorkerContextDestroyedTask( | |
| 125 WebCore::ScriptExecutionContext* context, | |
| 126 WebWorkerImpl* this_ptr); | |
| 127 | |
| 128 WebKit::WebWorkerClient* client_; | |
| 129 | |
| 130 // 'shadow page' - created to proxy loading requests from the worker. | |
| 131 WTF::RefPtr<WebCore::ScriptExecutionContext> loading_document_; | |
| 132 WebKit::WebView* web_view_; | |
| 133 bool asked_to_terminate_; | |
| 134 | |
| 135 WTF::RefPtr<WebCore::WorkerThread> worker_thread_; | |
| 136 | |
| 137 DISALLOW_COPY_AND_ASSIGN(WebWorkerImpl); | |
| 138 }; | |
| 139 | |
| 140 #endif | |
| 141 | |
| 142 #endif // WEBKIT_GLUE_WEBWORKER_IMPL_H_ | |
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Chromium Code Reviews
Issue 337057:
Move webworker{client}_impl.{h,cc} into webkit/api/src (Closed)
