2 * Copyright (C) 2013 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
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
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.
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.
31 #ifndef WebServiceWorkerContextClient_h
32 #define WebServiceWorkerContextClient_h
34 #include "WebWorkerPermissionClientProxy.h"
39 class WebServiceWorkerContextProxy;
41 // This interface is implemented by the client. It is suppoed to be created
42 // on the main thread and then passed on to the worker thread to be owned
43 // by a newly created WorkerGlobalScope. All methods of this class, except
44 // for workerContextFailedToStart(), are called on the worker thread.
45 // FIXME: Split this into EmbeddedWorkerContextClient and
46 // ServiceWorkerScriptContextClient when we decide to use EmbeddedWorker
47 // framework for other implementation (like SharedWorker).
48 class WebServiceWorkerContextClient {
50 virtual ~WebServiceWorkerContextClient() { }
52 // A new WorkerGlobalScope is created and started to run on the
54 // This also gives back a proxy to the client to talk to the
55 // newly created WorkerGlobalScope. The proxy is held by WorkerGlobalScope
56 // and should not be held by the caller. No proxy methods should be called
57 // after workerContextDestroyed() is called.
58 virtual void workerContextStarted(WebServiceWorkerContextProxy*) { }
60 // WorkerGlobalScope is destroyed. The client should clear the
61 // WebServiceWorkerGlobalScopeProxy when this is called.
62 virtual void workerContextDestroyed() { }
64 // Starting worker context is failed. This could happen when loading
65 // worker script fails, or is asked to terminated before the context starts.
66 // This is called on the main thread.
67 virtual void workerContextFailedToStart() { }
69 // Called when the WorkerGlobalScope had an error or an exception.
70 virtual void reportException(const WebString& errorMessage, int lineNumber, int columnNumber, const WebString& sourceURL) { }
72 // Inspector related messages.
73 virtual void dispatchDevToolsMessage(const WebString&) { }
74 virtual void saveDevToolsAgentState(const WebString&) { }
76 // ServiceWorker specific method. Called after InstallEvent (dispatched
77 // via WebServiceWorkerContextProxy) is handled by the ServiceWorker's
79 virtual void didHandleInstallEvent(int installEventID) { }
84 #endif // WebWorkerContextClient_h