electron/shell/browser/media/media_capture_devices_dispa...

63 lines
2.7 KiB
C++

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE-CHROMIUM file.
#ifndef ELECTRON_SHELL_BROWSER_MEDIA_MEDIA_CAPTURE_DEVICES_DISPATCHER_H_
#define ELECTRON_SHELL_BROWSER_MEDIA_MEDIA_CAPTURE_DEVICES_DISPATCHER_H_
#include "components/webrtc/media_stream_device_enumerator_impl.h"
#include "content/public/browser/media_observer.h"
#include "third_party/blink/public/common/mediastream/media_stream_request.h"
#include "third_party/blink/public/mojom/mediastream/media_stream.mojom.h"
namespace electron {
// This singleton is used to receive updates about media events from the content
// layer.
class MediaCaptureDevicesDispatcher
: public content::MediaObserver,
public webrtc::MediaStreamDeviceEnumeratorImpl {
public:
static MediaCaptureDevicesDispatcher* GetInstance();
// Overridden from content::MediaObserver:
void OnAudioCaptureDevicesChanged() override {}
void OnVideoCaptureDevicesChanged() override {}
void OnMediaRequestStateChanged(int render_process_id,
int render_view_id,
int page_request_id,
const GURL& security_origin,
blink::mojom::MediaStreamType stream_type,
content::MediaRequestState state) override {}
void OnCreatingAudioStream(int render_process_id,
int render_view_id) override {}
void OnSetCapturingLinkSecured(int render_process_id,
int render_frame_id,
int page_request_id,
blink::mojom::MediaStreamType stream_type,
bool is_secure) override {}
const std::optional<blink::MediaStreamDevice>
GetPreferredAudioDeviceForBrowserContext(
content::BrowserContext* browser_context,
const std::vector<std::string>& eligible_audio_device_ids) const override;
const std::optional<blink::MediaStreamDevice>
GetPreferredVideoDeviceForBrowserContext(
content::BrowserContext* browser_context,
const std::vector<std::string>& eligible_video_device_ids) const override;
// disable copy
MediaCaptureDevicesDispatcher(const MediaCaptureDevicesDispatcher&) = delete;
MediaCaptureDevicesDispatcher& operator=(
const MediaCaptureDevicesDispatcher&) = delete;
private:
friend base::NoDestructor<MediaCaptureDevicesDispatcher>;
MediaCaptureDevicesDispatcher();
~MediaCaptureDevicesDispatcher() override;
};
} // namespace electron
#endif // ELECTRON_SHELL_BROWSER_MEDIA_MEDIA_CAPTURE_DEVICES_DISPATCHER_H_