1 /* 2 * Copyright (C) 2013 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 ServiceWorkerGlobalScopeProxy_h 32 #define ServiceWorkerGlobalScopeProxy_h 33 34 #include "core/workers/WorkerReportingProxy.h" 35 #include "public/platform/WebString.h" 36 #include "public/web/WebServiceWorkerContextProxy.h" 37 #include "wtf/Forward.h" 38 #include "wtf/OwnPtr.h" 39 40 namespace WebCore { 41 class ExecutionContext; 42 } 43 44 namespace blink { 45 46 class WebEmbeddedWorkerImpl; 47 class WebServiceWorkerContextClient; 48 class WebServiceWorkerRequest; 49 50 // This class is created and destructed on the main thread, but live most 51 // of its time as a resident of the worker thread. 52 // All methods other than its ctor/dtor are called on the worker thread. 53 // 54 // This implements WebServiceWorkerContextProxy, which connects ServiceWorker's 55 // WorkerGlobalScope and embedder/chrome, and implements ServiceWorker-specific 56 // events/upcall methods that are to be called by embedder/chromium, 57 // e.g. onfetch. 58 // 59 // An instance of this class is supposed to outlive until 60 // workerGlobalScopeDestroyed() is called by its corresponding 61 // WorkerGlobalScope. 62 class ServiceWorkerGlobalScopeProxy FINAL : 63 public WebServiceWorkerContextProxy, 64 public WebCore::WorkerReportingProxy { 65 WTF_MAKE_NONCOPYABLE(ServiceWorkerGlobalScopeProxy); 66 public: 67 static PassOwnPtr<ServiceWorkerGlobalScopeProxy> create(WebEmbeddedWorkerImpl&, WebCore::ExecutionContext&, WebServiceWorkerContextClient&); 68 virtual ~ServiceWorkerGlobalScopeProxy(); 69 70 // WebServiceWorkerContextProxy overrides: 71 virtual void dispatchActivateEvent(int) OVERRIDE; 72 virtual void dispatchInstallEvent(int) OVERRIDE; 73 virtual void dispatchFetchEvent(int, const WebServiceWorkerRequest&) OVERRIDE; 74 virtual void dispatchMessageEvent(const WebString& message, const WebMessagePortChannelArray&) OVERRIDE; 75 virtual void dispatchPushEvent(int, const WebString& data) OVERRIDE; 76 virtual void dispatchSyncEvent(int) OVERRIDE; 77 78 // WorkerReportingProxy overrides: 79 virtual void reportException(const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL) OVERRIDE; 80 virtual void reportConsoleMessage(WebCore::MessageSource, WebCore::MessageLevel, const String& message, int lineNumber, const String& sourceURL) OVERRIDE; 81 virtual void postMessageToPageInspector(const String&) OVERRIDE; 82 virtual void updateInspectorStateCookie(const String&) OVERRIDE; 83 virtual void workerGlobalScopeStarted(WebCore::WorkerGlobalScope*) OVERRIDE; 84 virtual void workerGlobalScopeClosed() OVERRIDE; 85 virtual void willDestroyWorkerGlobalScope() OVERRIDE; 86 virtual void workerGlobalScopeDestroyed() OVERRIDE; 87 88 private: 89 ServiceWorkerGlobalScopeProxy(WebEmbeddedWorkerImpl&, WebCore::ExecutionContext&, WebServiceWorkerContextClient&); 90 91 WebEmbeddedWorkerImpl& m_embeddedWorker; 92 WebCore::ExecutionContext& m_executionContext; 93 94 WebServiceWorkerContextClient& m_client; 95 96 WebCore::WorkerGlobalScope* m_workerGlobalScope; 97 }; 98 99 } // namespace blink 100 101 #endif // ServiceWorkerGlobalScopeProxy_h 102