components/webrtc/media_stream_device_enumerator_impl.h

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_WEBRTC_MEDIA_STREAM_DEVICE_ENUMERATOR_IMPL_H_
#define COMPONENTS_WEBRTC_MEDIA_STREAM_DEVICE_ENUMERATOR_IMPL_H_

#include "components/webrtc/media_stream_device_enumerator.h"
#include "third_party/blink/public/mojom/mediastream/media_stream.mojom-forward.h"

namespace webrtc {

// A default MediaStreamDeviceEnumerator that passes through to
// content::MediaCaptureDevices.
class MediaStreamDeviceEnumeratorImpl : public MediaStreamDeviceEnumerator {
 public:
  MediaStreamDeviceEnumeratorImpl() = default;
  MediaStreamDeviceEnumeratorImpl(const MediaStreamDeviceEnumeratorImpl&) =
      delete;
  MediaStreamDeviceEnumeratorImpl& operator=(MediaStreamDeviceEnumeratorImpl&) =
      delete;
  ~MediaStreamDeviceEnumeratorImpl() override = default;

  // MediaStreamDeviceEnumerator:
  const blink::MediaStreamDevices& GetAudioCaptureDevices() const override;
  const blink::MediaStreamDevices& GetVideoCaptureDevices() const override;
  const std::optional<blink::MediaStreamDevice>
  GetPreferredAudioDeviceForBrowserContext(
      content::BrowserContext* context,
      const std::vector<std::string>& eligible_device_ids) const override;
  const std::optional<blink::MediaStreamDevice>
  GetPreferredVideoDeviceForBrowserContext(
      content::BrowserContext* context,
      const std::vector<std::string>& eligible_device_ids) const override;
};

}  // namespace webrtc

#endif  // COMPONENTS_WEBRTC_MEDIA_STREAM_DEVICE_ENUMERATOR_IMPL_H_