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31 #ifndef WebSharedWorkerImpl_h
32 #define WebSharedWorkerImpl_h
34 #include "WebSharedWorker.h"
36 #include "WebContentSecurityPolicy.h"
37 #include "WebFrameClient.h"
38 #include "WebSharedWorkerClient.h"
39 #include "core/dom/ExecutionContext.h"
40 #include "core/workers/WorkerLoaderProxy.h"
41 #include "core/workers/WorkerReportingProxy.h"
42 #include "core/workers/WorkerThread.h"
43 #include "wtf/PassOwnPtr.h"
44 #include "wtf/RefPtr.h"
45 #include "wtf/WeakPtr.h"
48 class WebApplicationCacheHost;
49 class WebApplicationCacheHostClient;
50 class WebWorkerClient;
51 class WebSecurityOrigin;
56 class WebSharedWorkerClient;
58 // This class is used by the worker process code to talk to the WebCore::SharedWorker implementation.
59 // It can't use it directly since it uses WebKit types, so this class converts the data types.
60 // When the WebCore::SharedWorker object wants to call WebCore::WorkerReportingProxy, this class will
61 // convert to Chrome data types first and then call the supplied WebCommonWorkerClient.
62 class WebSharedWorkerImpl FINAL
63 : public WebCore::WorkerReportingProxy
64 , public WebCore::WorkerLoaderProxy
65 , public WebFrameClient
66 , public WebSharedWorker {
68 explicit WebSharedWorkerImpl(WebSharedWorkerClient*);
70 // WebCore::WorkerReportingProxy methods:
71 virtual void reportException(
72 const WTF::String&, int, int, const WTF::String&) OVERRIDE;
73 virtual void reportConsoleMessage(
74 WebCore::MessageSource, WebCore::MessageLevel,
75 const WTF::String&, int, const WTF::String&) OVERRIDE;
76 virtual void postMessageToPageInspector(const WTF::String&) OVERRIDE;
77 virtual void updateInspectorStateCookie(const WTF::String&) OVERRIDE;
78 virtual void workerGlobalScopeStarted(WebCore::WorkerGlobalScope*) OVERRIDE;
79 virtual void workerGlobalScopeClosed() OVERRIDE;
80 virtual void workerGlobalScopeDestroyed() OVERRIDE;
82 // WebCore::WorkerLoaderProxy methods:
83 virtual void postTaskToLoader(PassOwnPtr<WebCore::ExecutionContextTask>) OVERRIDE;
84 virtual bool postTaskForModeToWorkerGlobalScope(
85 PassOwnPtr<WebCore::ExecutionContextTask>, const WTF::String& mode) OVERRIDE;
87 // WebFrameClient methods to support resource loading thru the 'shadow page'.
88 virtual WebApplicationCacheHost* createApplicationCacheHost(WebFrame*, WebApplicationCacheHostClient*) OVERRIDE;
90 // WebSharedWorker methods:
91 virtual void startWorkerContext(const WebURL&, const WebString& name, const WebString& userAgent, const WebString& sourceCode, const WebString& contentSecurityPolicy, WebContentSecurityPolicyType, long long cacheId) OVERRIDE;
92 virtual void connect(WebMessagePortChannel*) OVERRIDE;
93 virtual void terminateWorkerContext() OVERRIDE;
94 virtual void clientDestroyed() OVERRIDE;
96 virtual void pauseWorkerContextOnStart() OVERRIDE;
97 virtual void resumeWorkerContext() OVERRIDE;
98 virtual void attachDevTools() OVERRIDE;
99 virtual void reattachDevTools(const WebString& savedState) OVERRIDE;
100 virtual void detachDevTools() OVERRIDE;
101 virtual void dispatchDevToolsMessage(const WebString&) OVERRIDE;
104 virtual ~WebSharedWorkerImpl();
106 WebSharedWorkerClient* client() { return m_client->get(); }
108 void setWorkerThread(PassRefPtr<WebCore::WorkerThread> thread) { m_workerThread = thread; }
109 WebCore::WorkerThread* workerThread() { return m_workerThread.get(); }
111 // Shuts down the worker thread.
112 void stopWorkerThread();
114 // Creates the shadow loader used for worker network requests.
115 void initializeLoader(const WebURL&);
118 static void connectTask(WebCore::ExecutionContext*, PassOwnPtr<WebMessagePortChannel>);
119 // Tasks that are run on the main thread.
120 void workerGlobalScopeClosedOnMainThread();
121 void workerGlobalScopeDestroyedOnMainThread();
123 // 'shadow page' - created to proxy loading requests from the worker.
125 WebFrame* m_mainFrame;
126 bool m_askedToTerminate;
128 RefPtr<WebCore::WorkerThread> m_workerThread;
130 // This one's initialized and bound to the main thread.
131 RefPtr<WeakReference<WebSharedWorkerClient> > m_client;
133 // Usually WeakPtr is created by WeakPtrFactory exposed by Client
134 // class itself, but here it's implemented by Chrome so we create
136 WeakPtr<WebSharedWorkerClient> m_clientWeakPtr;
138 bool m_pauseWorkerContextOnStart;