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_ 54
