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- // Copyright 2015 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 file.
- #ifndef REMOTING_PROTOCOL_WEBRTC_CONNECTION_TO_HOST_H_
- #define REMOTING_PROTOCOL_WEBRTC_CONNECTION_TO_HOST_H_
- #include <memory>
- #include <string>
- #include "base/memory/raw_ptr.h"
- #include "base/task/single_thread_task_runner.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/input_filter.h"
- #include "remoting/protocol/session.h"
- #include "remoting/protocol/webrtc_transport.h"
- namespace remoting {
- namespace protocol {
- class ClientControlDispatcher;
- class ClientEventDispatcher;
- class SessionConfig;
- class WebrtcVideoRendererAdapter;
- class WebrtcAudioSinkAdapter;
- class WebrtcConnectionToHost : public ConnectionToHost,
- public Session::EventHandler,
- public WebrtcTransport::EventHandler,
- public ChannelDispatcherBase::EventHandler {
- public:
- WebrtcConnectionToHost();
- WebrtcConnectionToHost(const WebrtcConnectionToHost&) = delete;
- WebrtcConnectionToHost& operator=(const WebrtcConnectionToHost&) = delete;
- ~WebrtcConnectionToHost() 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_consumer) override;
- void Connect(std::unique_ptr<Session> session,
- scoped_refptr<TransportContext> transport_context,
- HostEventCallback* event_callback) override;
- void Disconnect(ErrorCode error) 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;
- // WebrtcTransport::EventHandler interface.
- void OnWebrtcTransportConnecting() override;
- void OnWebrtcTransportConnected() override;
- void OnWebrtcTransportError(ErrorCode error) override;
- void OnWebrtcTransportProtocolChanged() override;
- void OnWebrtcTransportIncomingDataChannel(
- const std::string& name,
- std::unique_ptr<MessagePipe> pipe) override;
- void OnWebrtcTransportMediaStreamAdded(
- rtc::scoped_refptr<webrtc::MediaStreamInterface> stream) override;
- void OnWebrtcTransportMediaStreamRemoved(
- rtc::scoped_refptr<webrtc::MediaStreamInterface> stream) override;
- void OnWebrtcTransportRouteChanged(const TransportRoute& route) override;
- // ChannelDispatcherBase::EventHandler interface.
- void OnChannelInitialized(ChannelDispatcherBase* channel_dispatcher) override;
- void OnChannelClosed(ChannelDispatcherBase* channel_dispatcher) override;
- void NotifyIfChannelsReady();
- WebrtcVideoRendererAdapter* GetOrCreateVideoAdapter(const std::string& label);
- void CloseChannels();
- void OnFrameRendered(uint32_t frame_id,
- base::TimeTicks event_timestamp,
- base::TimeTicks frame_rendered_time);
- void SetState(State state, ErrorCode error);
- raw_ptr<HostEventCallback> event_callback_ = nullptr;
- scoped_refptr<base::SingleThreadTaskRunner> audio_decode_task_runner_;
- // Stub for incoming messages.
- raw_ptr<ClientStub> client_stub_ = nullptr;
- raw_ptr<VideoRenderer> video_renderer_ = nullptr;
- base::WeakPtr<AudioStub> audio_consumer_;
- raw_ptr<ClipboardStub> clipboard_stub_ = nullptr;
- std::unique_ptr<Session> session_;
- std::unique_ptr<WebrtcTransport> transport_;
- std::unique_ptr<ClientControlDispatcher> control_dispatcher_;
- std::unique_ptr<ClientEventDispatcher> event_dispatcher_;
- ClipboardFilter clipboard_forwarder_;
- InputFilter event_forwarder_;
- std::unique_ptr<WebrtcVideoRendererAdapter> video_adapter_;
- std::unique_ptr<WebrtcAudioSinkAdapter> audio_adapter_;
- // Internal state of the connection.
- State state_ = INITIALIZING;
- ErrorCode error_ = OK;
- };
- } // namespace protocol
- } // namespace remoting
- #endif // REMOTING_PROTOCOL_WEBRTC_CONNECTION_TO_HOST_H_
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