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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_SERVICE_IMPL_H_
#define CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_SERVICE_IMPL_H_
#include "content/common/content_export.h"
#include "content/public/browser/global_routing_id.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "third_party/blink/public/mojom/mediasession/media_session.mojom.h"
namespace content {
class RenderFrameHost;
class MediaSessionImpl;
// There is one MediaSessionService per frame. The class is owned by
// RenderFrameHost and should register/unregister itself to/from
// MediaSessionImpl when RenderFrameHost is created/destroyed.
class CONTENT_EXPORT MediaSessionServiceImpl
: public blink::mojom::MediaSessionService {
public:
MediaSessionServiceImpl(const MediaSessionServiceImpl&) = delete;
MediaSessionServiceImpl& operator=(const MediaSessionServiceImpl&) = delete;
~MediaSessionServiceImpl() override;
static void Create(
RenderFrameHost* render_frame_host,
mojo::PendingReceiver<blink::mojom::MediaSessionService> receiver);
const mojo::Remote<blink::mojom::MediaSessionClient>& GetClient() {
return client_;
}
GlobalRenderFrameHostId GetRenderFrameHostId() const;
RenderFrameHost* GetRenderFrameHost() const;
blink::mojom::MediaSessionPlaybackState playback_state() const {
return playback_state_;
}
const blink::mojom::SpecMediaMetadataPtr& metadata() const {
return metadata_;
}
const std::set<media_session::mojom::MediaSessionAction>& actions() const {
return actions_;
}
const std::optional<media_session::MediaPosition>& position() const {
return position_;
}
media_session::mojom::MicrophoneState microphone_state() const {
return microphone_state_;
}
media_session::mojom::CameraState camera_state() const {
return camera_state_;
}
void DidFinishNavigation();
void FlushForTesting();
// blink::mojom::MediaSessionService implementation.
void SetClient(
mojo::PendingRemote<blink::mojom::MediaSessionClient> client) override;
void SetPlaybackState(blink::mojom::MediaSessionPlaybackState state) override;
void SetPositionState(
const std::optional<media_session::MediaPosition>& position) override;
void SetMetadata(blink::mojom::SpecMediaMetadataPtr metadata) override;
void SetMicrophoneState(
media_session::mojom::MicrophoneState microphone_state) override;
void SetCameraState(media_session::mojom::CameraState camera_state) override;
void EnableAction(media_session::mojom::MediaSessionAction action) override;
void DisableAction(media_session::mojom::MediaSessionAction action) override;
protected:
explicit MediaSessionServiceImpl(RenderFrameHost* render_frame_host);
private:
MediaSessionImpl* GetMediaSession();
void ClearActions();
const GlobalRenderFrameHostId render_frame_host_id_;
base::WeakPtr<MediaSessionImpl> media_session_;
mojo::Remote<blink::mojom::MediaSessionClient> client_;
blink::mojom::MediaSessionPlaybackState playback_state_;
blink::mojom::SpecMediaMetadataPtr metadata_;
std::set<media_session::mojom::MediaSessionAction> actions_;
std::optional<media_session::MediaPosition> position_;
// Tracks whether the microphone is muted in a WebRTC session.
media_session::mojom::MicrophoneState microphone_state_ =
media_session::mojom::MicrophoneState::kUnknown;
// Tracks whether the camera is turned on in a WebRTC session.
media_session::mojom::CameraState camera_state_ =
media_session::mojom::CameraState::kUnknown;
};
} // namespace content
#endif // CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_SERVICE_IMPL_H_
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