content/browser/media/capture/desktop_capture_device_aura.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 CONTENT_BROWSER_MEDIA_CAPTURE_DESKTOP_CAPTURE_DEVICE_AURA_H_
   6 #define CONTENT_BROWSER_MEDIA_CAPTURE_DESKTOP_CAPTURE_DEVICE_AURA_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "content/common/content_export.h"
  12 #include "content/public/browser/desktop_media_id.h"
  13 #include "media/capture/content/screen_capture_device_core.h"
  14 #include "media/capture/video/video_capture_device.h"
  15
  16 namespace aura {
  17 class Window;
  18 }  // namespace aura
  19
  20 namespace content {
  21
  22 // An implementation of VideoCaptureDevice that mirrors an Aura window.
  23 class CONTENT_EXPORT DesktopCaptureDeviceAura
  24     : public media::VideoCaptureDevice {
  25  public:
  26   // Creates a VideoCaptureDevice for the Aura desktop.  If |source| does not
  27   // reference a registered aura window, returns nullptr instead.
  28   static scoped_ptr<media::VideoCaptureDevice> Create(
  29       const DesktopMediaID& source);
  30
  31   ~DesktopCaptureDeviceAura() override;
  32
  33   // VideoCaptureDevice implementation.
  34   void AllocateAndStart(const media::VideoCaptureParams& params,
  35                         scoped_ptr<Client> client) override;
  36   void StopAndDeAllocate() override;
  37
  38  private:
  39   explicit DesktopCaptureDeviceAura(const DesktopMediaID& source);
  40
  41   scoped_ptr<media::ScreenCaptureDeviceCore> core_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(DesktopCaptureDeviceAura);
  44 };
  45
  46
  47 }  // namespace content
  48
  49 #endif  // CONTENT_BROWSER_MEDIA_CAPTURE_DESKTOP_CAPTURE_DEVICE_AURA_H_