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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 REMOTING_HOST_DESKTOP_SESSION_PROXY_H_ | 5 #ifndef REMOTING_HOST_DESKTOP_SESSION_PROXY_H_ |
6 #define REMOTING_HOST_DESKTOP_SESSION_PROXY_H_ | 6 #define REMOTING_HOST_DESKTOP_SESSION_PROXY_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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24 | 24 |
25 namespace base { | 25 namespace base { |
26 class SingleThreadTaskRunner; | 26 class SingleThreadTaskRunner; |
27 } // namespace base | 27 } // namespace base |
28 | 28 |
29 namespace IPC { | 29 namespace IPC { |
30 class ChannelProxy; | 30 class ChannelProxy; |
31 class Message; | 31 class Message; |
32 } // namespace IPC | 32 } // namespace IPC |
33 | 33 |
34 namespace webrtc { | |
35 class MouseCursor; | |
36 } // namespace webrtc | |
37 | |
38 struct SerializedDesktopFrame; | 34 struct SerializedDesktopFrame; |
39 struct SerializedMouseCursor; | |
40 | 35 |
41 namespace remoting { | 36 namespace remoting { |
42 | 37 |
43 class AudioPacket; | 38 class AudioPacket; |
44 class ClientSession; | 39 class ClientSession; |
45 class ClientSessionControl; | 40 class ClientSessionControl; |
46 class DesktopSessionConnector; | 41 class DesktopSessionConnector; |
47 struct DesktopSessionProxyTraits; | 42 struct DesktopSessionProxyTraits; |
48 class IpcAudioCapturer; | 43 class IpcAudioCapturer; |
49 class IpcMouseCursorMonitor; | |
50 class IpcVideoFrameCapturer; | 44 class IpcVideoFrameCapturer; |
51 class ScreenControls; | 45 class ScreenControls; |
52 | 46 |
53 // DesktopSessionProxy is created by an owning DesktopEnvironment to route | 47 // DesktopSessionProxy is created by an owning DesktopEnvironment to route |
54 // requests from stubs to the DesktopSessionAgent instance through | 48 // requests from stubs to the DesktopSessionAgent instance through |
55 // the IPC channel. DesktopSessionProxy is owned both by the DesktopEnvironment | 49 // the IPC channel. DesktopSessionProxy is owned both by the DesktopEnvironment |
56 // and the stubs, since stubs can out-live their DesktopEnvironment. | 50 // and the stubs, since stubs can out-live their DesktopEnvironment. |
57 // | 51 // |
58 // DesktopSessionProxy objects are ref-counted but are always deleted on | 52 // DesktopSessionProxy objects are ref-counted but are always deleted on |
59 // the |caller_tast_runner_| thread. This makes it possible to continue | 53 // the |caller_tast_runner_| thread. This makes it possible to continue |
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76 scoped_refptr<base::SingleThreadTaskRunner> video_capture_task_runner, | 70 scoped_refptr<base::SingleThreadTaskRunner> video_capture_task_runner, |
77 base::WeakPtr<ClientSessionControl> client_session_control, | 71 base::WeakPtr<ClientSessionControl> client_session_control, |
78 base::WeakPtr<DesktopSessionConnector> desktop_session_connector, | 72 base::WeakPtr<DesktopSessionConnector> desktop_session_connector, |
79 bool virtual_terminal); | 73 bool virtual_terminal); |
80 | 74 |
81 // Mirrors DesktopEnvironment. | 75 // Mirrors DesktopEnvironment. |
82 scoped_ptr<AudioCapturer> CreateAudioCapturer(); | 76 scoped_ptr<AudioCapturer> CreateAudioCapturer(); |
83 scoped_ptr<InputInjector> CreateInputInjector(); | 77 scoped_ptr<InputInjector> CreateInputInjector(); |
84 scoped_ptr<ScreenControls> CreateScreenControls(); | 78 scoped_ptr<ScreenControls> CreateScreenControls(); |
85 scoped_ptr<webrtc::ScreenCapturer> CreateVideoCapturer(); | 79 scoped_ptr<webrtc::ScreenCapturer> CreateVideoCapturer(); |
86 scoped_ptr<webrtc::MouseCursorMonitor> CreateMouseCursorMonitor(); | |
87 std::string GetCapabilities() const; | 80 std::string GetCapabilities() const; |
88 void SetCapabilities(const std::string& capabilities); | 81 void SetCapabilities(const std::string& capabilities); |
89 | 82 |
90 // IPC::Listener implementation. | 83 // IPC::Listener implementation. |
91 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; | 84 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
92 virtual void OnChannelConnected(int32 peer_pid) OVERRIDE; | 85 virtual void OnChannelConnected(int32 peer_pid) OVERRIDE; |
93 virtual void OnChannelError() OVERRIDE; | 86 virtual void OnChannelError() OVERRIDE; |
94 | 87 |
95 // Connects to the desktop session agent. | 88 // Connects to the desktop session agent. |
96 bool AttachToDesktop(base::ProcessHandle desktop_process, | 89 bool AttachToDesktop(base::ProcessHandle desktop_process, |
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109 | 102 |
110 // APIs used to implement the webrtc::ScreenCapturer interface. These must be | 103 // APIs used to implement the webrtc::ScreenCapturer interface. These must be |
111 // called on the |video_capture_task_runner_| thread. | 104 // called on the |video_capture_task_runner_| thread. |
112 void CaptureFrame(); | 105 void CaptureFrame(); |
113 | 106 |
114 // Stores |video_capturer| to be used to post captured video frames. Called on | 107 // Stores |video_capturer| to be used to post captured video frames. Called on |
115 // the |video_capture_task_runner_| thread. | 108 // the |video_capture_task_runner_| thread. |
116 void SetVideoCapturer( | 109 void SetVideoCapturer( |
117 const base::WeakPtr<IpcVideoFrameCapturer> video_capturer); | 110 const base::WeakPtr<IpcVideoFrameCapturer> video_capturer); |
118 | 111 |
119 // Stores |mouse_cursor_monitor| to be used to post mouse cursor changes. | |
120 // Called on the |video_capture_task_runner_| thread. | |
121 void SetMouseCursorMonitor( | |
122 const base::WeakPtr<IpcMouseCursorMonitor>& mouse_cursor_monitor); | |
123 | |
124 // APIs used to implement the InputInjector interface. | 112 // APIs used to implement the InputInjector interface. |
125 void InjectClipboardEvent(const protocol::ClipboardEvent& event); | 113 void InjectClipboardEvent(const protocol::ClipboardEvent& event); |
126 void InjectKeyEvent(const protocol::KeyEvent& event); | 114 void InjectKeyEvent(const protocol::KeyEvent& event); |
127 void InjectMouseEvent(const protocol::MouseEvent& event); | 115 void InjectMouseEvent(const protocol::MouseEvent& event); |
128 void StartInputInjector(scoped_ptr<protocol::ClipboardStub> client_clipboard); | 116 void StartInputInjector(scoped_ptr<protocol::ClipboardStub> client_clipboard); |
129 | 117 |
130 // API used to implement the SessionController interface. | 118 // API used to implement the SessionController interface. |
131 void SetScreenResolution(const ScreenResolution& resolution); | 119 void SetScreenResolution(const ScreenResolution& resolution); |
132 | 120 |
133 private: | 121 private: |
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150 void OnCreateSharedBuffer(int id, | 138 void OnCreateSharedBuffer(int id, |
151 IPC::PlatformFileForTransit handle, | 139 IPC::PlatformFileForTransit handle, |
152 uint32 size); | 140 uint32 size); |
153 | 141 |
154 // Drops a cached reference to the shared buffer. | 142 // Drops a cached reference to the shared buffer. |
155 void OnReleaseSharedBuffer(int id); | 143 void OnReleaseSharedBuffer(int id); |
156 | 144 |
157 // Handles CaptureCompleted notification from the desktop session agent. | 145 // Handles CaptureCompleted notification from the desktop session agent. |
158 void OnCaptureCompleted(const SerializedDesktopFrame& serialized_frame); | 146 void OnCaptureCompleted(const SerializedDesktopFrame& serialized_frame); |
159 | 147 |
160 // Handles MouseCursor notification from the desktop session agent. | 148 // Handles CursorShapeChanged notification from the desktop session agent. |
161 void OnMouseCursor(const webrtc::MouseCursor& mouse_cursor); | 149 void OnCursorShapeChanged(const webrtc::MouseCursorShape& cursor_shape); |
162 | 150 |
163 // Handles InjectClipboardEvent request from the desktop integration process. | 151 // Handles InjectClipboardEvent request from the desktop integration process. |
164 void OnInjectClipboardEvent(const std::string& serialized_event); | 152 void OnInjectClipboardEvent(const std::string& serialized_event); |
165 | 153 |
166 // Posts OnCaptureCompleted() to |video_capturer_| on the video thread, | 154 // Posts OnCaptureCompleted() to |video_capturer_| on the video thread, |
167 // passing |frame|. | 155 // passing |frame|. |
168 void PostCaptureCompleted(scoped_ptr<webrtc::DesktopFrame> frame); | 156 void PostCaptureCompleted(scoped_ptr<webrtc::DesktopFrame> frame); |
169 | 157 |
170 // Posts OnMouseCursor() to |mouse_cursor_monitor_| on the video thread, | 158 // Posts OnCursorShapeChanged() to |video_capturer_| on the video thread, |
171 // passing |mouse_cursor|. | 159 // passing |cursor_shape|. |
172 void PostMouseCursor(scoped_ptr<webrtc::MouseCursor> mouse_cursor); | 160 void PostCursorShape(scoped_ptr<webrtc::MouseCursorShape> cursor_shape); |
173 | 161 |
174 // Sends a message to the desktop session agent. The message is silently | 162 // Sends a message to the desktop session agent. The message is silently |
175 // deleted if the channel is broken. | 163 // deleted if the channel is broken. |
176 void SendToDesktop(IPC::Message* message); | 164 void SendToDesktop(IPC::Message* message); |
177 | 165 |
178 // Task runners: | 166 // Task runners: |
179 // - |audio_capturer_| is called back on |audio_capture_task_runner_|. | 167 // - |audio_capturer_| is called back on |audio_capture_task_runner_|. |
180 // - public methods of this class (with some exceptions) are called on | 168 // - public methods of this class (with some exceptions) are called on |
181 // |caller_task_runner_|. | 169 // |caller_task_runner_|. |
182 // - background I/O is served on |io_task_runner_|. | 170 // - background I/O is served on |io_task_runner_|. |
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195 // Used to disconnect the client session. | 183 // Used to disconnect the client session. |
196 base::WeakPtr<ClientSessionControl> client_session_control_; | 184 base::WeakPtr<ClientSessionControl> client_session_control_; |
197 | 185 |
198 // Used to create a desktop session and receive notifications every time | 186 // Used to create a desktop session and receive notifications every time |
199 // the desktop process is replaced. | 187 // the desktop process is replaced. |
200 base::WeakPtr<DesktopSessionConnector> desktop_session_connector_; | 188 base::WeakPtr<DesktopSessionConnector> desktop_session_connector_; |
201 | 189 |
202 // Points to the video capturer receiving captured video frames. | 190 // Points to the video capturer receiving captured video frames. |
203 base::WeakPtr<IpcVideoFrameCapturer> video_capturer_; | 191 base::WeakPtr<IpcVideoFrameCapturer> video_capturer_; |
204 | 192 |
205 // Points to the mouse cursor monitor receiving mouse cursor changes. | |
206 base::WeakPtr<IpcMouseCursorMonitor> mouse_cursor_monitor_; | |
207 | |
208 // IPC channel to the desktop session agent. | 193 // IPC channel to the desktop session agent. |
209 scoped_ptr<IPC::ChannelProxy> desktop_channel_; | 194 scoped_ptr<IPC::ChannelProxy> desktop_channel_; |
210 | 195 |
211 // Handle of the desktop process. | 196 // Handle of the desktop process. |
212 base::ProcessHandle desktop_process_; | 197 base::ProcessHandle desktop_process_; |
213 | 198 |
214 int pending_capture_frame_requests_; | 199 int pending_capture_frame_requests_; |
215 | 200 |
216 // Shared memory buffers by Id. Each buffer is owned by the corresponding | 201 // Shared memory buffers by Id. Each buffer is owned by the corresponding |
217 // frame. | 202 // frame. |
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230 }; | 215 }; |
231 | 216 |
232 // Destroys |DesktopSessionProxy| instances on the caller's thread. | 217 // Destroys |DesktopSessionProxy| instances on the caller's thread. |
233 struct DesktopSessionProxyTraits { | 218 struct DesktopSessionProxyTraits { |
234 static void Destruct(const DesktopSessionProxy* desktop_session_proxy); | 219 static void Destruct(const DesktopSessionProxy* desktop_session_proxy); |
235 }; | 220 }; |
236 | 221 |
237 } // namespace remoting | 222 } // namespace remoting |
238 | 223 |
239 #endif // REMOTING_HOST_DESKTOP_SESSION_PROXY_H_ | 224 #endif // REMOTING_HOST_DESKTOP_SESSION_PROXY_H_ |
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