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1 /* | 1 /* |
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008 Apple 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 | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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36 #include "wtf/PassOwnPtr.h" | 36 #include "wtf/PassOwnPtr.h" |
37 #include "wtf/PassRefPtr.h" | 37 #include "wtf/PassRefPtr.h" |
38 #include "wtf/RefPtr.h" | 38 #include "wtf/RefPtr.h" |
39 #include "wtf/Vector.h" | 39 #include "wtf/Vector.h" |
40 | 40 |
41 namespace blink { | 41 namespace blink { |
42 | 42 |
43 class WorkerObjectProxy; | 43 class WorkerObjectProxy; |
44 class WorkerThread; | 44 class WorkerThread; |
45 class ExecutionContext; | 45 class ExecutionContext; |
46 class Worker; | 46 class InProcessWorkerBase; |
47 class WorkerClients; | 47 class WorkerClients; |
48 class WorkerInspectorProxy; | 48 class WorkerInspectorProxy; |
49 | 49 |
50 class CORE_EXPORT WorkerMessagingProxy | 50 class CORE_EXPORT WorkerMessagingProxy |
51 : public WorkerGlobalScopeProxy | 51 : public WorkerGlobalScopeProxy |
52 , private WorkerLoaderProxyProvider { | 52 , private WorkerLoaderProxyProvider { |
53 WTF_MAKE_NONCOPYABLE(WorkerMessagingProxy); | 53 WTF_MAKE_NONCOPYABLE(WorkerMessagingProxy); |
54 WTF_MAKE_FAST_ALLOCATED(WorkerMessagingProxy); | |
55 public: | 54 public: |
56 WorkerMessagingProxy(Worker*, PassOwnPtrWillBeRawPtr<WorkerClients>); | |
57 | |
58 // Implementations of WorkerGlobalScopeProxy. | 55 // Implementations of WorkerGlobalScopeProxy. |
59 // (Only use these methods in the worker object thread.) | 56 // (Only use these methods in the worker object thread.) |
60 virtual void startWorkerGlobalScope(const KURL& scriptURL, const String& use
rAgent, const String& sourceCode, WorkerThreadStartMode) override; | 57 virtual void startWorkerGlobalScope(const KURL& scriptURL, const String& use
rAgent, const String& sourceCode, WorkerThreadStartMode) override; |
61 virtual void terminateWorkerGlobalScope() override; | 58 virtual void terminateWorkerGlobalScope() override; |
62 virtual void postMessageToWorkerGlobalScope(PassRefPtr<SerializedScriptValue
>, PassOwnPtr<MessagePortChannelArray>) override; | 59 virtual void postMessageToWorkerGlobalScope(PassRefPtr<SerializedScriptValue
>, PassOwnPtr<MessagePortChannelArray>) override; |
63 virtual bool hasPendingActivity() const override; | 60 virtual bool hasPendingActivity() const override; |
64 virtual void workerObjectDestroyed() override; | 61 virtual void workerObjectDestroyed() override; |
65 | 62 |
66 // These methods come from worker context thread via WorkerObjectProxy | 63 // These methods come from worker context thread via WorkerObjectProxy |
67 // and are called on the worker object thread (e.g. main thread). | 64 // and are called on the worker object thread (e.g. main thread). |
68 void postMessageToWorkerObject(PassRefPtr<SerializedScriptValue>, PassOwnPtr
<MessagePortChannelArray>); | 65 void postMessageToWorkerObject(PassRefPtr<SerializedScriptValue>, PassOwnPtr
<MessagePortChannelArray>); |
69 void reportException(const String& errorMessage, int lineNumber, int columnN
umber, const String& sourceURL, int exceptionId); | 66 void reportException(const String& errorMessage, int lineNumber, int columnN
umber, const String& sourceURL, int exceptionId); |
70 void reportConsoleMessage(MessageSource, MessageLevel, const String& message
, int lineNumber, const String& sourceURL); | 67 void reportConsoleMessage(MessageSource, MessageLevel, const String& message
, int lineNumber, const String& sourceURL); |
71 void postMessageToPageInspector(const String&); | 68 void postMessageToPageInspector(const String&); |
72 void postWorkerConsoleAgentEnabled(); | 69 void postWorkerConsoleAgentEnabled(); |
73 WorkerInspectorProxy* workerInspectorProxy(); | 70 WorkerInspectorProxy* workerInspectorProxy(); |
74 void confirmMessageFromWorkerObject(bool hasPendingActivity); | 71 void confirmMessageFromWorkerObject(bool hasPendingActivity); |
75 void reportPendingActivity(bool hasPendingActivity); | 72 void reportPendingActivity(bool hasPendingActivity); |
76 void workerGlobalScopeClosed(); | 73 void workerGlobalScopeClosed(); |
77 void workerThreadTerminated(); | 74 void workerThreadTerminated(); |
78 | 75 |
79 void workerThreadCreated(PassRefPtr<WorkerThread>); | 76 void workerThreadCreated(PassRefPtr<WorkerThread>); |
80 | 77 |
81 protected: | 78 protected: |
| 79 WorkerMessagingProxy(InProcessWorkerBase*, PassOwnPtrWillBeRawPtr<WorkerClie
nts>); |
82 virtual ~WorkerMessagingProxy(); | 80 virtual ~WorkerMessagingProxy(); |
83 | 81 |
84 virtual PassRefPtr<WorkerThread> createWorkerThread(double originTime, PassO
wnPtr<WorkerThreadStartupData>); | 82 virtual PassRefPtr<WorkerThread> createWorkerThread(double originTime, PassO
wnPtr<WorkerThreadStartupData>) = 0; |
85 | 83 |
86 PassRefPtr<WorkerLoaderProxy> loaderProxy() { return m_loaderProxy; } | 84 PassRefPtr<WorkerLoaderProxy> loaderProxy() { return m_loaderProxy; } |
87 WorkerObjectProxy& workerObjectProxy() { return *m_workerObjectProxy.get();
} | 85 WorkerObjectProxy& workerObjectProxy() { return *m_workerObjectProxy.get();
} |
88 | 86 |
89 private: | 87 private: |
90 static void workerObjectDestroyedInternal(ExecutionContext*, WorkerMessaging
Proxy*); | 88 static void workerObjectDestroyedInternal(ExecutionContext*, WorkerMessaging
Proxy*); |
91 void terminateInternally(); | 89 void terminateInternally(); |
92 | 90 |
93 // WorkerLoaderProxyProvider | 91 // WorkerLoaderProxyProvider |
94 // These methods are called on different threads to schedule loading | 92 // These methods are called on different threads to schedule loading |
95 // requests and to send callbacks back to WorkerGlobalScope. | 93 // requests and to send callbacks back to WorkerGlobalScope. |
96 virtual void postTaskToLoader(PassOwnPtr<ExecutionContextTask>) override; | 94 virtual void postTaskToLoader(PassOwnPtr<ExecutionContextTask>) override; |
97 virtual bool postTaskToWorkerGlobalScope(PassOwnPtr<ExecutionContextTask>) o
verride; | 95 virtual bool postTaskToWorkerGlobalScope(PassOwnPtr<ExecutionContextTask>) o
verride; |
98 | 96 |
99 RefPtrWillBePersistent<ExecutionContext> m_executionContext; | 97 RefPtrWillBePersistent<ExecutionContext> m_executionContext; |
100 OwnPtr<WorkerObjectProxy> m_workerObjectProxy; | 98 OwnPtr<WorkerObjectProxy> m_workerObjectProxy; |
101 Worker* m_workerObject; | 99 InProcessWorkerBase* m_workerObject; |
102 bool m_mayBeDestroyed; | 100 bool m_mayBeDestroyed; |
103 RefPtr<WorkerThread> m_workerThread; | 101 RefPtr<WorkerThread> m_workerThread; |
104 | 102 |
105 unsigned m_unconfirmedMessageCount; // Unconfirmed messages from worker obje
ct to worker thread. | 103 unsigned m_unconfirmedMessageCount; // Unconfirmed messages from worker obje
ct to worker thread. |
106 bool m_workerThreadHadPendingActivity; // The latest confirmation from worke
r thread reported that it was still active. | 104 bool m_workerThreadHadPendingActivity; // The latest confirmation from worke
r thread reported that it was still active. |
107 | 105 |
108 bool m_askedToTerminate; | 106 bool m_askedToTerminate; |
109 | 107 |
110 Vector<OwnPtr<ExecutionContextTask>> m_queuedEarlyTasks; // Tasks are queued
here until there's a thread object created. | 108 Vector<OwnPtr<ExecutionContextTask>> m_queuedEarlyTasks; // Tasks are queued
here until there's a thread object created. |
111 OwnPtr<WorkerInspectorProxy> m_workerInspectorProxy; | 109 OwnPtr<WorkerInspectorProxy> m_workerInspectorProxy; |
112 | 110 |
113 OwnPtrWillBePersistent<WorkerClients> m_workerClients; | 111 OwnPtrWillBePersistent<WorkerClients> m_workerClients; |
114 | 112 |
115 RefPtr<WorkerLoaderProxy> m_loaderProxy; | 113 RefPtr<WorkerLoaderProxy> m_loaderProxy; |
116 }; | 114 }; |
117 | 115 |
118 } // namespace blink | 116 } // namespace blink |
119 | 117 |
120 #endif // WorkerMessagingProxy_h | 118 #endif // WorkerMessagingProxy_h |
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