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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_RENDERER_DEVTOOLS_AGENT_FILTER_H_ | 5 #ifndef CHROME_RENDERER_DEVTOOLS_AGENT_FILTER_H_ |
6 #define CHROME_RENDERER_DEVTOOLS_AGENT_FILTER_H_ | 6 #define CHROME_RENDERER_DEVTOOLS_AGENT_FILTER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "ipc/ipc_channel_proxy.h" | 11 #include "ipc/ipc_channel_proxy.h" |
12 | 12 |
| 13 class MessageLoop; |
13 struct DevToolsMessageData; | 14 struct DevToolsMessageData; |
14 | 15 |
15 // DevToolsAgentFilter is registered as an IPC filter in order to be able to | 16 // DevToolsAgentFilter is registered as an IPC filter in order to be able to |
16 // dispatch messages while on the IO thread. The reason for that is that while | 17 // dispatch messages while on the IO thread. The reason for that is that while |
17 // debugging, Render thread is being held by the v8 and hence no messages | 18 // debugging, Render thread is being held by the v8 and hence no messages |
18 // are being dispatched there. While holding the thread in a tight loop, | 19 // are being dispatched there. While holding the thread in a tight loop, |
19 // v8 provides thread-safe Api for controlling debugger. In our case v8's Api | 20 // v8 provides thread-safe Api for controlling debugger. In our case v8's Api |
20 // is being used from this communication agent on the IO thread. | 21 // is being used from this communication agent on the IO thread. |
21 class DevToolsAgentFilter : public IPC::ChannelProxy::MessageFilter { | 22 class DevToolsAgentFilter : public IPC::ChannelProxy::MessageFilter { |
22 public: | 23 public: |
(...skipping 21 matching lines...) Expand all Loading... |
44 | 45 |
45 // Made static to allow DevToolsAgent to use it for replying directly | 46 // Made static to allow DevToolsAgent to use it for replying directly |
46 // from IO thread. | 47 // from IO thread. |
47 static int current_routing_id_; | 48 static int current_routing_id_; |
48 static IPC::Channel* channel_; | 49 static IPC::Channel* channel_; |
49 | 50 |
50 DISALLOW_COPY_AND_ASSIGN(DevToolsAgentFilter); | 51 DISALLOW_COPY_AND_ASSIGN(DevToolsAgentFilter); |
51 }; | 52 }; |
52 | 53 |
53 #endif // CHROME_RENDERER_DEVTOOLS_AGENT_FILTER_H_ | 54 #endif // CHROME_RENDERER_DEVTOOLS_AGENT_FILTER_H_ |
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