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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 MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_CHROMEOS_H_
      6 #define MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_CHROMEOS_H_
      7 
      8 #include "media/video/capture/linux/video_capture_device_linux.h"
      9 
     10 namespace gfx {
     11 class Display;
     12 }  // namespace gfx
     13 
     14 namespace media {
     15 
     16 // This class is functionally the same as VideoCaptureDeviceLinux, with the
     17 // exception that it is aware of the orientation of the internal Display.  When
     18 // the internal Display is rotated, the frames captured are rotated to match.
     19 class VideoCaptureDeviceChromeOS : public VideoCaptureDeviceLinux {
     20  public:
     21   explicit VideoCaptureDeviceChromeOS(
     22       scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
     23       const Name& device_name);
     24   virtual ~VideoCaptureDeviceChromeOS();
     25 
     26  private:
     27   class ScreenObserverDelegate;
     28 
     29   void SetDisplayRotation(const gfx::Display& display);
     30   scoped_refptr<ScreenObserverDelegate> screen_observer_delegate_;
     31   DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceChromeOS);
     32 };
     33 
     34 }  // namespace media
     35 
     36 #endif  // MEDIA_VIDEO_CAPTURE_LINUX_VIDEO_CAPTURE_DEVICE_CHROMEOS_H_
     37