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1 // Copyright (c) 2010 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_PLUGIN_CHANNEL_HOST_H_ | |
6 #define CHROME_RENDERER_PLUGIN_CHANNEL_HOST_H_ | |
7 #pragma once | |
8 | |
9 #include "base/hash_tables.h" | |
10 #include "content/plugin/plugin_channel_base.h" | |
11 #include "ipc/ipc_channel_handle.h" | |
12 | |
13 class IsListeningFilter; | |
14 class NPObjectBase; | |
15 | |
16 // Encapsulates an IPC channel between the renderer and one plugin process. | |
17 // On the plugin side there's a corresponding PluginChannel. | |
18 class PluginChannelHost : public PluginChannelBase { | |
19 public: | |
20 static PluginChannelHost* GetPluginChannelHost( | |
21 const IPC::ChannelHandle& channel_handle, MessageLoop* ipc_message_loop); | |
22 | |
23 virtual bool Init(MessageLoop* ipc_message_loop, bool create_pipe_now); | |
24 | |
25 virtual int GenerateRouteID(); | |
26 | |
27 void AddRoute(int route_id, IPC::Channel::Listener* listener, | |
28 NPObjectBase* npobject); | |
29 void RemoveRoute(int route_id); | |
30 | |
31 // IPC::Channel::Listener override | |
32 virtual void OnChannelError(); | |
33 | |
34 static void SetListening(bool flag); | |
35 | |
36 static bool IsListening(); | |
37 | |
38 static void Broadcast(IPC::Message* message) { | |
39 PluginChannelBase::Broadcast(message); | |
40 } | |
41 | |
42 bool expecting_shutdown() { return expecting_shutdown_; } | |
43 | |
44 private: | |
45 // Called on the render thread | |
46 PluginChannelHost(); | |
47 ~PluginChannelHost(); | |
48 | |
49 static PluginChannelBase* ClassFactory() { return new PluginChannelHost(); } | |
50 | |
51 virtual bool OnControlMessageReceived(const IPC::Message& message); | |
52 void OnSetException(const std::string& message); | |
53 void OnPluginShuttingDown(const IPC::Message& message); | |
54 | |
55 // Keep track of all the registered WebPluginDelegeProxies to | |
56 // inform about OnChannelError | |
57 typedef base::hash_map<int, IPC::Channel::Listener*> ProxyMap; | |
58 ProxyMap proxies_; | |
59 | |
60 // An IPC MessageFilter that can be told to filter out all messages. This is | |
61 // used when the JS debugger is attached in order to avoid browser hangs. | |
62 scoped_refptr<IsListeningFilter> is_listening_filter_; | |
63 | |
64 // True if we are expecting the plugin process to go away - in which case, | |
65 // don't treat it as a crash. | |
66 bool expecting_shutdown_; | |
67 | |
68 DISALLOW_COPY_AND_ASSIGN(PluginChannelHost); | |
69 }; | |
70 | |
71 #endif // CHROME_RENDERER_PLUGIN_CHANNEL_HOST_H_ | |
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