/* * Copyright (C) 2013 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 WebServiceWorkerContextClient_h #define WebServiceWorkerContextClient_h #include "WebWorkerPermissionClientProxy.h" #include "public/platform/WebServiceWorkerEventResult.h" namespace blink { class WebDataSource; class WebString; class WebServiceWorkerContextProxy; class WebServiceWorkerNetworkProvider; class WebServiceWorkerResponse; // This interface is implemented by the client. It is supposed to be created // on the main thread and then passed on to the worker thread to be owned // by a newly created WorkerGlobalScope. All methods of this class, except // for createServiceWorkerNetworkProvider() and workerContextFailedToStart(), // are called on the worker thread. // FIXME: Split this into EmbeddedWorkerContextClient and // ServiceWorkerScriptContextClient when we decide to use EmbeddedWorker // framework for other implementation (like SharedWorker). class WebServiceWorkerContextClient { public: virtual ~WebServiceWorkerContextClient() { } // A new WorkerGlobalScope is created and started to run on the // worker thread. // This also gives back a proxy to the client to talk to the // newly created WorkerGlobalScope. The proxy is held by WorkerGlobalScope // and should not be held by the caller. No proxy methods should be called // after workerContextDestroyed() is called. virtual void workerContextStarted(WebServiceWorkerContextProxy*) { } // WorkerGlobalScope is destroyed. The client should clear the // WebServiceWorkerGlobalScopeProxy when this is called. virtual void workerContextDestroyed() { } // Starting worker context is failed. This could happen when loading // worker script fails, or is asked to terminated before the context starts. // This is called on the main thread. virtual void workerContextFailedToStart() { } // Called when the WorkerGlobalScope had an error or an exception. virtual void reportException(const WebString& errorMessage, int lineNumber, int columnNumber, const WebString& sourceURL) { } // Inspector related messages. virtual void dispatchDevToolsMessage(const WebString&) { } virtual void saveDevToolsAgentState(const WebString&) { } // ServiceWorker specific method. virtual void didHandleActivateEvent(int eventID, blink::WebServiceWorkerEventResult result) { } // ServiceWorker specific method. Called after InstallEvent (dispatched // via WebServiceWorkerContextProxy) is handled by the ServiceWorker's // script context. virtual void didHandleInstallEvent(int installEventID, blink::WebServiceWorkerEventResult result) { } // ServiceWorker specific methods. Called after FetchEvent is handled by the // ServiceWorker's script context. When no response is provided, the browser // should fallback to native fetch. virtual void didHandleFetchEvent(int fetchEventID) { } virtual void didHandleFetchEvent(int fetchEventID, const WebServiceWorkerResponse& response) { } // Ownership of the returned object is transferred to the caller. virtual WebServiceWorkerNetworkProvider* createServiceWorkerNetworkProvider(blink::WebDataSource*) { return 0; } // ServiceWorker specific method. Called after SyncEvent (dispatched via // WebServiceWorkerContextProxy) is handled by the ServiceWorker's script // context. virtual void didHandleSyncEvent(int syncEventID) { } }; } // namespace blink #endif // WebWorkerContextClient_h