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 CONTENT_PUBLIC_BROWSER_MEDIA_CAPTURE_DEVICES_H_
6#define CONTENT_PUBLIC_BROWSER_MEDIA_CAPTURE_DEVICES_H_
7
8#include "content/public/common/media_stream_request.h"
9
10namespace content {
11
12// This is a singleton class, used to get Audio/Video devices, it must be
13// called in UI thread.
14class CONTENT_EXPORT  MediaCaptureDevices {
15 public:
16  // Get signleton instance of MediaCaptureDevices.
17  static MediaCaptureDevices* GetInstance();
18
19  // Return all Audio/Video devices.
20  virtual const MediaStreamDevices& GetAudioCaptureDevices() = 0;
21  virtual const MediaStreamDevices& GetVideoCaptureDevices() = 0;
22
23 private:
24  // This interface should only be implemented inside content.
25  friend class MediaCaptureDevicesImpl;
26  MediaCaptureDevices() {}
27  virtual ~MediaCaptureDevices() {}
28};
29
30}  // namespace content
31
32#endif  // CONTENT_PUBLIC_BROWSER_MEDIA_CAPTURE_DEVICES_H_
33