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1 // Copyright 2014 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 REMOTING_HOST_CHROMEOS_AURA_DESKTOP_CAPTURER_H_ | |
6 #define REMOTING_HOST_CHROMEOS_AURA_DESKTOP_CAPTURER_H_ | |
7 | |
8 #include "base/memory/weak_ptr.h" | |
9 #include "third_party/webrtc/modules/desktop_capture/screen_capturer.h" | |
10 | |
11 namespace cc { | |
12 class CopyOutputResult; | |
13 } // namespace cc | |
14 | |
15 namespace aura { | |
16 class Window; | |
17 } // namespace aura | |
18 | |
19 namespace remoting { | |
20 | |
21 // A webrtc::DesktopCapturer that captures pixels from the root window of the | |
22 // Aura Shell. This is implemented by requesting the layer and its substree to | |
23 // be rendered to a given data structure. Start() and Capture() must be called | |
24 // on the Browser UI thread. | |
25 class AuraDesktopCapturer : public webrtc::DesktopCapturer { | |
26 public: | |
27 AuraDesktopCapturer(); | |
28 virtual ~AuraDesktopCapturer(); | |
29 | |
30 // webrtc::DesktopCapturer implementation. | |
31 virtual void Start(webrtc::DesktopCapturer::Callback* callback) OVERRIDE; | |
32 virtual void Capture(const webrtc::DesktopRegion& region) OVERRIDE; | |
33 | |
34 private: | |
35 friend class AuraDesktopCapturerTest; | |
36 | |
37 // Called when a copy of the layer is captured. | |
38 void OnFrameCaptured(scoped_ptr<cc::CopyOutputResult> result); | |
39 | |
40 // Points to the callback passed to webrtc::DesktopCapturer::Start(). | |
41 webrtc::DesktopCapturer::Callback* callback_; | |
42 | |
43 // The root window of the Aura Shell. | |
44 aura::Window* desktop_window_; | |
45 | |
46 base::WeakPtrFactory<AuraDesktopCapturer> weak_factory_; | |
47 | |
48 DISALLOW_COPY_AND_ASSIGN(AuraDesktopCapturer); | |
49 }; | |
50 | |
51 } // namespace remoting | |
52 | |
53 #endif // REMOTING_HOST_CHROMEOS_AURA_DESKTOP_CAPTURER_H_ | |
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