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// 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 file.
// ChromotingClient is the controller for the Client implementation.
#ifndef REMOTING_CLIENT_CHROMOTING_CLIENT_H_
#define REMOTING_CLIENT_CHROMOTING_CLIENT_H_
#include <string>
#include "base/callback.h"
#include "base/memory/scoped_ptr.h"
#include "remoting/client/chromoting_stats.h"
#include "remoting/protocol/client_stub.h"
#include "remoting/protocol/clipboard_stub.h"
#include "remoting/protocol/connection_to_host.h"
#include "remoting/protocol/input_stub.h"
#include "remoting/protocol/video_stub.h"
namespace base {
class SingleThreadTaskRunner;
} // namespace base
namespace remoting {
namespace protocol {
class CandidateSessionConfig;
class TransportFactory;
} // namespace protocol
class AudioDecodeScheduler;
class AudioPlayer;
class ClientContext;
class ClientUserInterface;
class FrameConsumerProxy;
class FrameProducer;
class VideoRenderer;
class SignalStrategy;
class ChromotingClient : public protocol::ConnectionToHost::HostEventCallback,
public protocol::ClientStub {
public:
// |client_context|, |user_interface| and |video_renderer| must outlive the
// client. |audio_player| may be null, in which case audio will not be
// requested.
ChromotingClient(ClientContext* client_context,
ClientUserInterface* user_interface,
VideoRenderer* video_renderer,
scoped_ptr<AudioPlayer> audio_player);
~ChromotingClient() override;
void SetProtocolConfigForTests(
scoped_ptr<protocol::CandidateSessionConfig> config);
// Start the client. Must be called on the main thread. |signal_strategy|
// must outlive the client.
void Start(SignalStrategy* signal_strategy,
scoped_ptr<protocol::Authenticator> authenticator,
scoped_ptr<protocol::TransportFactory> transport_factory,
const std::string& host_jid,
const std::string& capabilities);
protocol::ConnectionToHost::State connection_state() const {
return connection_.state();
}
protocol::ClipboardStub* clipboard_forwarder() {
return connection_.clipboard_forwarder();
}
protocol::HostStub* host_stub() { return connection_.host_stub(); }
protocol::InputStub* input_stub() { return connection_.input_stub(); }
// ClientStub implementation.
void SetCapabilities(const protocol::Capabilities& capabilities) override;
void SetPairingResponse(
const protocol::PairingResponse& pairing_response) override;
void DeliverHostMessage(const protocol::ExtensionMessage& message) override;
// ClipboardStub implementation for receiving clipboard data from host.
void InjectClipboardEvent(const protocol::ClipboardEvent& event) override;
// CursorShapeStub implementation for receiving cursor shape updates.
void SetCursorShape(const protocol::CursorShapeInfo& cursor_shape) override;
// ConnectionToHost::HostEventCallback implementation.
void OnConnectionState(protocol::ConnectionToHost::State state,
protocol::ErrorCode error) override;
void OnConnectionReady(bool ready) override;
void OnRouteChanged(const std::string& channel_name,
const protocol::TransportRoute& route) override;
private:
// Called when the connection is authenticated.
void OnAuthenticated();
// Called when all channels are connected.
void OnChannelsConnected();
// The following are not owned by this class.
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
ClientUserInterface* user_interface_;
VideoRenderer* video_renderer_;
protocol::ConnectionToHost connection_;
scoped_ptr<AudioDecodeScheduler> audio_decode_scheduler_;
std::string local_capabilities_;
// The set of all capabilities supported by the host.
std::string host_capabilities_;
// True if |protocol::Capabilities| message has been received.
bool host_capabilities_received_;
// Record the statistics of the connection.
ChromotingStats stats_;
DISALLOW_COPY_AND_ASSIGN(ChromotingClient);
};
} // namespace remoting
#endif // REMOTING_CLIENT_CHROMOTING_CLIENT_H_
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