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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef REMOTING_PROTOCOL_ICE_CONNECTION_TO_HOST_H_
#define REMOTING_PROTOCOL_ICE_CONNECTION_TO_HOST_H_
#include <memory>
#include <set>
#include <string>
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/sequence_checker.h"
#include "base/task/single_thread_task_runner.h"
#include "remoting/proto/internal.pb.h"
#include "remoting/protocol/channel_dispatcher_base.h"
#include "remoting/protocol/clipboard_filter.h"
#include "remoting/protocol/connection_to_host.h"
#include "remoting/protocol/errors.h"
#include "remoting/protocol/ice_transport.h"
#include "remoting/protocol/input_filter.h"
#include "remoting/protocol/monitored_video_stub.h"
#include "remoting/protocol/session.h"
#include "remoting/protocol/session_config.h"
namespace remoting::protocol {
class AudioDecodeScheduler;
class AudioReader;
class ClientControlDispatcher;
class ClientEventDispatcher;
class ClientVideoDispatcher;
class IceConnectionToHost : public ConnectionToHost,
public Session::EventHandler,
public IceTransport::EventHandler,
public ChannelDispatcherBase::EventHandler {
public:
IceConnectionToHost();
IceConnectionToHost(const IceConnectionToHost&) = delete;
IceConnectionToHost& operator=(const IceConnectionToHost&) = delete;
~IceConnectionToHost() override;
// ConnectionToHost interface.
void set_client_stub(ClientStub* client_stub) override;
void set_clipboard_stub(ClipboardStub* clipboard_stub) override;
void set_video_renderer(VideoRenderer* video_renderer) override;
void InitializeAudio(
scoped_refptr<base::SingleThreadTaskRunner> audio_decode_task_runner,
base::WeakPtr<AudioStub> audio_stub) override;
void Connect(std::unique_ptr<Session> session,
scoped_refptr<TransportContext> transport_context,
HostEventCallback* event_callback) override;
void Disconnect(ErrorCode error) override;
void ApplyNetworkSettings(const NetworkSettings& settings) override;
const SessionConfig& config() override;
ClipboardStub* clipboard_forwarder() override;
HostStub* host_stub() override;
InputStub* input_stub() override;
State state() const override;
private:
// Session::EventHandler interface.
void OnSessionStateChange(Session::State state) override;
// IceTransport::EventHandler interface.
void OnIceTransportRouteChange(const std::string& channel_name,
const TransportRoute& route) override;
void OnIceTransportError(ErrorCode error) override;
// ChannelDispatcherBase::EventHandler interface.
void OnChannelInitialized(ChannelDispatcherBase* channel_dispatcher) override;
void OnChannelClosed(ChannelDispatcherBase* channel_dispatcher) override;
// MonitoredVideoStub::EventHandler interface.
virtual void OnVideoChannelStatus(bool active);
void NotifyIfChannelsReady();
// Closes the P2P connection.
void CloseChannels();
void SetState(State state, ErrorCode error);
raw_ptr<HostEventCallback> event_callback_ = nullptr;
// Stub for incoming messages.
raw_ptr<ClientStub> client_stub_ = nullptr;
raw_ptr<ClipboardStub> clipboard_stub_ = nullptr;
raw_ptr<VideoRenderer> video_renderer_ = nullptr;
std::unique_ptr<AudioDecodeScheduler> audio_decode_scheduler_;
std::unique_ptr<Session> session_;
std::unique_ptr<IceTransport> transport_;
std::unique_ptr<MonitoredVideoStub> monitored_video_stub_;
std::unique_ptr<ClientVideoDispatcher> video_dispatcher_;
std::unique_ptr<AudioReader> audio_reader_;
std::unique_ptr<ClientControlDispatcher> control_dispatcher_;
std::unique_ptr<ClientEventDispatcher> event_dispatcher_;
ClipboardFilter clipboard_forwarder_;
InputFilter event_forwarder_;
// Internal state of the connection.
State state_ = INITIALIZING;
ErrorCode error_ = ErrorCode::OK;
private:
SEQUENCE_CHECKER(sequence_checker_);
};
} // namespace remoting::protocol
#endif // REMOTING_PROTOCOL_ICE_CONNECTION_TO_HOST_H_
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