remoting/host/screen_capturer_fake.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_SCREEN_CAPTURER_FAKE_H_
   6 #define REMOTING_HOST_SCREEN_CAPTURER_FAKE_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "media/base/media_export.h"
  10 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
  11 #include "third_party/webrtc/modules/desktop_capture/screen_capture_frame_queue.h"
  12 #include "third_party/webrtc/modules/desktop_capture/screen_capturer.h"
  13
  14 namespace remoting {
  15
  16 // A ScreenCapturerFake generates artificial image for testing purpose.
  17 //
  18 // ScreenCapturerFake is double-buffered as required by ScreenCapturer.
  19 class ScreenCapturerFake : public webrtc::ScreenCapturer {
  20  public:
  21   // ScreenCapturerFake generates a picture of size kWidth x kHeight.
  22   static const int kWidth = 800;
  23   static const int kHeight = 600;
  24
  25   ScreenCapturerFake();
  26   virtual ~ScreenCapturerFake();
  27
  28   // webrtc::DesktopCapturer interface.
  29   virtual void Start(Callback* callback) OVERRIDE;
  30   virtual void Capture(const webrtc::DesktopRegion& rect) OVERRIDE;
  31
  32   // ScreenCapturer interface.
  33   virtual void SetMouseShapeObserver(
  34       MouseShapeObserver* mouse_shape_observer) OVERRIDE;
  35
  36  private:
  37   // Generates an image in the front buffer.
  38   void GenerateImage();
  39
  40   // Called when the screen configuration is changed.
  41   void ScreenConfigurationChanged();
  42
  43   Callback* callback_;
  44   MouseShapeObserver* mouse_shape_observer_;
  45
  46   webrtc::DesktopSize size_;
  47   int bytes_per_row_;
  48   int box_pos_x_;
  49   int box_pos_y_;
  50   int box_speed_x_;
  51   int box_speed_y_;
  52
  53   webrtc::ScreenCaptureFrameQueue queue_;
  54
  55   DISALLOW_COPY_AND_ASSIGN(ScreenCapturerFake);
  56 };
  57
  58 }  // namespace remoting
  59
  60 #endif  // REMOTING_HOST_SCREEN_CAPTURER_FAKE_H_