remoting/host/shaped_screen_capturer.h

   1 // Copyright 2013 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_SHAPED_SCREEN_CAPTURER_H_
   6 #define REMOTING_HOST_SHAPED_SCREEN_CAPTURER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "third_party/webrtc/modules/desktop_capture/screen_capturer.h"
  10
  11 namespace remoting {
  12
  13 class DesktopShapeTracker;
  14
  15 // Screen capturer that also captures desktop shape.
  16 class ShapedScreenCapturer : public webrtc::ScreenCapturer,
  17                              public webrtc::DesktopCapturer::Callback {
  18  public:
  19   static scoped_ptr<ShapedScreenCapturer> Create(
  20       webrtc::DesktopCaptureOptions options);
  21
  22   ShapedScreenCapturer(scoped_ptr<webrtc::ScreenCapturer> screen_capturer,
  23                        scoped_ptr<DesktopShapeTracker> shape_tracker);
  24   virtual ~ShapedScreenCapturer();
  25
  26   // webrtc::ScreenCapturer interface.
  27   virtual void Start(webrtc::ScreenCapturer::Callback* callback) OVERRIDE;
  28   virtual void Capture(const webrtc::DesktopRegion& region) OVERRIDE;
  29   virtual void SetMouseShapeObserver(
  30       MouseShapeObserver* mouse_shape_observer) OVERRIDE;
  31   virtual bool GetScreenList(ScreenList* screens) OVERRIDE;
  32   virtual bool SelectScreen(webrtc::ScreenId id) OVERRIDE;
  33
  34  private:
  35   // webrtc::ScreenCapturer::Callback interface.
  36   virtual webrtc::SharedMemory* CreateSharedMemory(size_t size) OVERRIDE;
  37   virtual void OnCaptureCompleted(webrtc::DesktopFrame* frame) OVERRIDE;
  38
  39   scoped_ptr<webrtc::ScreenCapturer> screen_capturer_;
  40   scoped_ptr<DesktopShapeTracker> shape_tracker_;
  41   webrtc::ScreenCapturer::Callback* callback_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(ShapedScreenCapturer);
  44 };
  45
  46 }  // namespace remoting
  47
  48 #endif  // REMOTING_HOST_SHAPED_SCREEN_CAPTURER_H_