| /* |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef WebSharedWorkerImpl_h |
| #define WebSharedWorkerImpl_h |
| |
| #include "public/web/WebSharedWorker.h" |
| |
| #include "core/dom/ExecutionContext.h" |
| #include "core/workers/WorkerLoaderProxy.h" |
| #include "core/workers/WorkerReportingProxy.h" |
| #include "core/workers/WorkerScriptLoaderClient.h" |
| #include "core/workers/WorkerThread.h" |
| #include "public/web/WebContentSecurityPolicy.h" |
| #include "public/web/WebDevToolsAgentClient.h" |
| #include "public/web/WebFrameClient.h" |
| #include "public/web/WebSharedWorkerClient.h" |
| #include "wtf/PassOwnPtr.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/WeakPtr.h" |
| |
| namespace blink { |
| |
| class ConsoleMessage; |
| class WebApplicationCacheHost; |
| class WebApplicationCacheHostClient; |
| class WebString; |
| class WebURL; |
| class WebView; |
| class WebSharedWorkerClient; |
| class WorkerInspectorProxy; |
| |
| // This class is used by the worker process code to talk to the SharedWorker implementation. |
| // It can't use it directly since it uses WebKit types, so this class converts the data types. |
| // When the SharedWorker object wants to call WorkerReportingProxy, this class will |
| // convert to Chrome data types first and then call the supplied WebCommonWorkerClient. |
| class WebSharedWorkerImpl final |
| : public WorkerReportingProxy |
| , public WorkerLoaderProxy |
| , public WebFrameClient |
| , public WebSharedWorker |
| , public WebDevToolsAgentClient { |
| public: |
| explicit WebSharedWorkerImpl(WebSharedWorkerClient*); |
| |
| // WorkerReportingProxy methods: |
| virtual void reportException( |
| const WTF::String&, int, int, const WTF::String&) override; |
| virtual void reportConsoleMessage(PassRefPtrWillBeRawPtr<ConsoleMessage>) override; |
| virtual void postMessageToPageInspector(const WTF::String&) override; |
| virtual void didEvaluateWorkerScript(bool success) override { }; |
| virtual void workerGlobalScopeStarted(WorkerGlobalScope*) override; |
| virtual void workerGlobalScopeClosed() override; |
| virtual void workerThreadTerminated() override; |
| virtual void willDestroyWorkerGlobalScope() override { } |
| |
| // WorkerLoaderProxy methods: |
| virtual void postTaskToLoader(PassOwnPtr<ExecutionContextTask>) override; |
| virtual bool postTaskToWorkerGlobalScope(PassOwnPtr<ExecutionContextTask>) override; |
| |
| // WebFrameClient methods to support resource loading thru the 'shadow page'. |
| virtual WebApplicationCacheHost* createApplicationCacheHost(WebLocalFrame*, WebApplicationCacheHostClient*) override; |
| virtual void didFinishDocumentLoad(WebLocalFrame*) override; |
| |
| // WebDevToolsAgentClient overrides. |
| virtual void sendMessageToInspectorFrontend(const WebString&) override; |
| virtual void saveAgentRuntimeState(const WebString&) override; |
| virtual void resumeStartup() override; |
| |
| // WebSharedWorker methods: |
| virtual void startWorkerContext(const WebURL&, const WebString& name, const WebString& contentSecurityPolicy, WebContentSecurityPolicyType) override; |
| virtual void connect(WebMessagePortChannel*) override; |
| virtual void terminateWorkerContext() override; |
| virtual void clientDestroyed() override; |
| |
| virtual void pauseWorkerContextOnStart() override; |
| virtual void attachDevTools(const WebString& hostId) override; |
| virtual void reattachDevTools(const WebString& hostId, const WebString& savedState) override; |
| virtual void detachDevTools() override; |
| virtual void dispatchDevToolsMessage(const WebString&) override; |
| |
| private: |
| class Loader; |
| |
| virtual ~WebSharedWorkerImpl(); |
| |
| WebSharedWorkerClient* client() { return m_client->get(); } |
| |
| void setWorkerThread(PassRefPtr<WorkerThread> thread) { m_workerThread = thread; } |
| WorkerThread* workerThread() { return m_workerThread.get(); } |
| |
| // Shuts down the worker thread. |
| void stopWorkerThread(); |
| |
| // Creates the shadow loader used for worker network requests. |
| void initializeLoader(); |
| |
| void loadShadowPage(); |
| void didReceiveScriptLoaderResponse(); |
| void onScriptLoaderFinished(); |
| |
| static void connectTask(ExecutionContext*, PassOwnPtr<WebMessagePortChannel>); |
| // Tasks that are run on the main thread. |
| void workerGlobalScopeClosedOnMainThread(); |
| void workerThreadTerminatedOnMainThread(); |
| |
| void postMessageToPageInspectorOnMainThread(const String& message); |
| |
| // 'shadow page' - created to proxy loading requests from the worker. |
| RefPtrWillBePersistent<ExecutionContext> m_loadingDocument; |
| WebView* m_webView; |
| WebFrame* m_mainFrame; |
| bool m_askedToTerminate; |
| |
| OwnPtr<WorkerInspectorProxy> m_workerInspectorProxy; |
| |
| RefPtr<WorkerThread> m_workerThread; |
| |
| // This one's initialized and bound to the main thread. |
| RefPtr<WeakReference<WebSharedWorkerClient> > m_client; |
| |
| // Usually WeakPtr is created by WeakPtrFactory exposed by Client |
| // class itself, but here it's implemented by Chrome so we create |
| // our own WeakPtr. |
| WeakPtr<WebSharedWorkerClient> m_clientWeakPtr; |
| |
| bool m_pauseWorkerContextOnStart; |
| bool m_isPausedOnStart; |
| |
| // Kept around only while main script loading is ongoing. |
| OwnPtr<Loader> m_mainScriptLoader; |
| WebURL m_url; |
| WebString m_name; |
| WebString m_contentSecurityPolicy; |
| WebContentSecurityPolicyType m_policyType; |
| }; |
| |
| } // namespace blink |
| |
| #endif |