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media_capture_devices_dispatcher.h

media_capture_devices_dispatcher.h 2.7 KB
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  1. // Copyright (c) 2012 The Chromium Authors. All rights reserved.
    2. 

  2. // Use of this source code is governed by a BSD-style license that can be
    3. 

  3. // found in the LICENSE-CHROMIUM file.
    4. 

  4. 

  5. #ifndef ELECTRON_SHELL_BROWSER_MEDIA_MEDIA_CAPTURE_DEVICES_DISPATCHER_H_
    6. 

  6. #define ELECTRON_SHELL_BROWSER_MEDIA_MEDIA_CAPTURE_DEVICES_DISPATCHER_H_
    7. 

  7. 

  8. #include "components/webrtc/media_stream_device_enumerator_impl.h"
    9. 

  9. #include "content/public/browser/media_observer.h"
    10. 

  10. #include "third_party/blink/public/common/mediastream/media_stream_request.h"
    11. 

  11. #include "third_party/blink/public/mojom/mediastream/media_stream.mojom.h"
    12. 

  12. 

  13. namespace electron {
    14. 

  14. 

  15. // This singleton is used to receive updates about media events from the content
    16. 

  16. // layer.
    17. 

  17. class MediaCaptureDevicesDispatcher
    18. 

  18.     : public content::MediaObserver,
    19. 

  19.       public webrtc::MediaStreamDeviceEnumeratorImpl {
    20. 

  20.  public:
    21. 

  21.   static MediaCaptureDevicesDispatcher* GetInstance();
    22. 

  22. 

  23.   // Overridden from content::MediaObserver:
    24. 

  24.   void OnAudioCaptureDevicesChanged() override {}
    25. 

  25.   void OnVideoCaptureDevicesChanged() override {}
    26. 

  26.   void OnMediaRequestStateChanged(int render_process_id,
    27. 

  27.                                   int render_view_id,
    28. 

  28.                                   int page_request_id,
    29. 

  29.                                   const GURL& security_origin,
    30. 

  30.                                   blink::mojom::MediaStreamType stream_type,
    31. 

  31.                                   content::MediaRequestState state) override {}
    32. 

  32.   void OnCreatingAudioStream(int render_process_id,
    33. 

  33.                              int render_view_id) override {}
    34. 

  34.   void OnSetCapturingLinkSecured(int render_process_id,
    35. 

  35.                                  int render_frame_id,
    36. 

  36.                                  int page_request_id,
    37. 

  37.                                  blink::mojom::MediaStreamType stream_type,
    38. 

  38.                                  bool is_secure) override {}
    39. 

  39.   const std::optional<blink::MediaStreamDevice>
    40. 

  40.   GetPreferredAudioDeviceForBrowserContext(
    41. 

  41.       content::BrowserContext* browser_context,
    42. 

  42.       const std::vector<std::string>& eligible_audio_device_ids) const override;
    43. 

  43.   const std::optional<blink::MediaStreamDevice>
    44. 

  44.   GetPreferredVideoDeviceForBrowserContext(
    45. 

  45.       content::BrowserContext* browser_context,
    46. 

  46.       const std::vector<std::string>& eligible_video_device_ids) const override;
    47. 

  47. 

  48.   // disable copy
    49. 

  49.   MediaCaptureDevicesDispatcher(const MediaCaptureDevicesDispatcher&) = delete;
    50. 

  50.   MediaCaptureDevicesDispatcher& operator=(
    51. 

  51.       const MediaCaptureDevicesDispatcher&) = delete;
    52. 

  52. 

  53.  private:
    54. 

  54.   friend base::NoDestructor<MediaCaptureDevicesDispatcher>;
    55. 

  55. 

  56.   MediaCaptureDevicesDispatcher();
    57. 

  57.   ~MediaCaptureDevicesDispatcher() override;
    58. 

  58. };
    59. 

  59. 

  60. }  // namespace electron
    61. 

  61. 

  62. #endif  // ELECTRON_SHELL_BROWSER_MEDIA_MEDIA_CAPTURE_DEVICES_DISPATCHER_H_
    63.