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// Copyright 2013 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_RENDERER_HOST_MEDIA_PEER_CONNECTION_TRACKER_HOST_H_
#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_PEER_CONNECTION_TRACKER_HOST_H_
#include <set>
#include <string>
#include "base/power_monitor/power_observer.h"
#include "base/process/process_handle.h"
#include "base/types/pass_key.h"
#include "content/public/browser/document_user_data.h"
#include "content/public/browser/global_routing_id.h"
#include "content/public/browser/peer_connection_tracker_host_observer.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "third_party/blink/public/mojom/peerconnection/peer_connection_tracker.mojom.h"
namespace base {
class Value;
} // namespace base
namespace content {
class RenderFrameHost;
// This class is the host for PeerConnectionTracker in the browser process
// managed by RenderFrameHostImpl. It receives PeerConnection events from
// PeerConnectionTracker as IPC messages that it forwards to WebRTCInternals.
// It also forwards browser process events to PeerConnectionTracker via IPC.
//
// Note: This class and all of its methods are meant to only be used on the UI
// thread.
class PeerConnectionTrackerHost
: public DocumentUserData<PeerConnectionTrackerHost>,
public base::PowerSuspendObserver,
public base::PowerThermalObserver,
public blink::mojom::PeerConnectionTrackerHost {
public:
PeerConnectionTrackerHost(const PeerConnectionTrackerHost&) = delete;
PeerConnectionTrackerHost& operator=(const PeerConnectionTrackerHost&) =
delete;
~PeerConnectionTrackerHost() override;
// Adds/removes a PeerConnectionTrackerHostObserver.
static void AddObserver(base::PassKey<PeerConnectionTrackerHostObserver>,
PeerConnectionTrackerHostObserver* observer);
static void RemoveObserver(base::PassKey<PeerConnectionTrackerHostObserver>,
PeerConnectionTrackerHostObserver* observer);
static const std::set<PeerConnectionTrackerHost*>& GetAllHosts();
// base::PowerSuspendObserver override.
void OnSuspend() override;
// base::PowerThermalObserver override.
void OnThermalStateChange(
base::PowerThermalObserver::DeviceThermalState new_state) override;
void OnSpeedLimitChange(int) override {} // This signal is not forwarded.
// These methods call out to blink::mojom::PeerConnectionManager on renderer
// side.
void StartEventLog(int peer_connection_local_id, int output_period_ms);
void StopEventLog(int lid);
void StartDataChannelLog(int peer_connection_local_id);
void StopDataChannelLog(int lid);
void GetStandardStats();
void GetCurrentState();
void BindReceiver(
mojo::PendingReceiver<blink::mojom::PeerConnectionTrackerHost>
pending_receiver);
private:
friend class DocumentUserData<PeerConnectionTrackerHost>;
explicit PeerConnectionTrackerHost(RenderFrameHost* rfh);
DOCUMENT_USER_DATA_KEY_DECL();
// blink::mojom::PeerConnectionTrackerHost implementation.
void AddPeerConnection(blink::mojom::PeerConnectionInfoPtr info) override;
void RemovePeerConnection(int lid) override;
void UpdatePeerConnection(int lid,
const std::string& type,
const std::string& value) override;
void OnPeerConnectionSessionIdSet(int lid,
const std::string& session_id) override;
void GetUserMedia(int request_id,
bool audio,
bool video,
const std::string& audio_constraints,
const std::string& video_constraints) override;
void GetUserMediaSuccess(int request_id,
const std::string& stream_id,
const std::string& audio_track_info,
const std::string& video_track_info) override;
void GetUserMediaFailure(int request_id,
const std::string& error,
const std::string& error_message) override;
void GetDisplayMedia(int request_id,
bool audio,
bool video,
const std::string& audio_constraints,
const std::string& video_constraints) override;
void GetDisplayMediaSuccess(int request_id,
const std::string& stream_id,
const std::string& audio_track_info,
const std::string& video_track_info) override;
void GetDisplayMediaFailure(int request_id,
const std::string& error,
const std::string& error_message) override;
void WebRtcEventLogWrite(int lid,
const std::vector<uint8_t>& output) override;
void WebRtcDataChannelLogWrite(int lid,
const std::vector<uint8_t>& output) override;
void AddStandardStats(int lid, base::Value::List value) override;
GlobalRenderFrameHostId frame_id_;
base::ProcessId peer_pid_;
mojo::Receiver<blink::mojom::PeerConnectionTrackerHost> receiver_{this};
mojo::Remote<blink::mojom::PeerConnectionManager> tracker_;
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_PEER_CONNECTION_TRACKER_HOST_H_
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