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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_RENDERER_WEBWORKER_PROXY_H_ | |
6 #define CHROME_RENDERER_WEBWORKER_PROXY_H_ | |
7 #pragma once | |
8 | |
9 #include <vector> | |
10 | |
11 #include "base/basictypes.h" | |
12 #include "chrome/renderer/webworker_base.h" | |
13 #include "ipc/ipc_channel.h" | |
14 #include "third_party/WebKit/Source/WebKit/chromium/public/WebWorker.h" | |
15 | |
16 class ChildThread; | |
17 class GURL; | |
18 class RenderView; | |
19 struct WorkerHostMsg_PostConsoleMessageToWorkerObject_Params; | |
20 | |
21 // This class provides an implementation of WebWorker that the renderer provides | |
22 // to the glue. This class converts function calls to IPC messages that are | |
23 // dispatched in the worker process by WebWorkerClientProxy. It also receives | |
24 // IPC messages from WebWorkerClientProxy which it converts to function calls to | |
25 // WebWorkerClient. | |
26 class WebWorkerProxy : public WebKit::WebWorker, private WebWorkerBase { | |
27 public: | |
28 WebWorkerProxy(WebKit::WebWorkerClient* client, | |
29 ChildThread* child_thread, | |
30 int render_view_route_id, | |
31 int parent_appcache_host_id); | |
32 ~WebWorkerProxy(); | |
33 | |
34 // WebWorker implementation. | |
35 virtual void startWorkerContext(const WebKit::WebURL& script_url, | |
36 const WebKit::WebString& user_agent, | |
37 const WebKit::WebString& source_code); | |
38 virtual void terminateWorkerContext(); | |
39 virtual void postMessageToWorkerContext( | |
40 const WebKit::WebString& message, | |
41 const WebKit::WebMessagePortChannelArray& channel_array); | |
42 virtual void workerObjectDestroyed(); | |
43 virtual void clientDestroyed(); | |
44 | |
45 // IPC::Channel::Listener implementation. | |
46 virtual bool OnMessageReceived(const IPC::Message& message); | |
47 | |
48 private: | |
49 void CancelCreation(); | |
50 void OnWorkerCreated(); | |
51 void OnWorkerContextDestroyed(); | |
52 void OnPostMessage(const string16& message, | |
53 const std::vector<int>& sent_message_port_ids, | |
54 const std::vector<int>& new_routing_ids); | |
55 void OnPostConsoleMessageToWorkerObject( | |
56 const WorkerHostMsg_PostConsoleMessageToWorkerObject_Params& params); | |
57 | |
58 | |
59 // Used to communicate to the WebCore::Worker object in response to IPC | |
60 // messages. | |
61 WebKit::WebWorkerClient* client_; | |
62 | |
63 DISALLOW_COPY_AND_ASSIGN(WebWorkerProxy); | |
64 }; | |
65 | |
66 #endif // CHROME_RENDERER_WEBWORKER_PROXY_H_ | |
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