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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 "base/memory/weak_ptr.h"
#include "remoting/client/client_config.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 TransportFactory;
} // namespace protocol
class AudioDecodeScheduler;
class AudioPlayer;
class ClientContext;
class ClientUserInterface;
class FrameConsumerProxy;
class FrameProducer;
class RectangleUpdateDecoder;
class SignalStrategy;
class ChromotingClient : public protocol::ConnectionToHost::HostEventCallback,
public protocol::ClientStub {
public:
ChromotingClient(const ClientConfig& config,
ClientContext* client_context,
protocol::ConnectionToHost* connection,
ClientUserInterface* user_interface,
scoped_refptr<FrameConsumerProxy> frame_consumer,
scoped_ptr<AudioPlayer> audio_player);
virtual ~ChromotingClient();
// Start the client. Must be called on the main thread. |signal_strategy|
// must outlive the client.
void Start(SignalStrategy* signal_strategy,
scoped_ptr<protocol::TransportFactory> transport_factory);
FrameProducer* GetFrameProducer();
// Return the stats recorded by this client.
ChromotingStats* GetStats();
// ClientStub implementation.
virtual void SetCapabilities(
const protocol::Capabilities& capabilities) OVERRIDE;
virtual void SetPairingResponse(
const protocol::PairingResponse& pairing_response) OVERRIDE;
// ClipboardStub implementation for receiving clipboard data from host.
virtual void InjectClipboardEvent(
const protocol::ClipboardEvent& event) OVERRIDE;
// CursorShapeStub implementation for receiving cursor shape updates.
virtual void SetCursorShape(
const protocol::CursorShapeInfo& cursor_shape) OVERRIDE;
// ConnectionToHost::HostEventCallback implementation.
virtual void OnConnectionState(
protocol::ConnectionToHost::State state,
protocol::ErrorCode error) OVERRIDE;
virtual void OnConnectionReady(bool ready) 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.
ClientConfig config_;
scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
protocol::ConnectionToHost* connection_;
ClientUserInterface* user_interface_;
scoped_refptr<RectangleUpdateDecoder> rectangle_decoder_;
scoped_ptr<AudioDecodeScheduler> audio_decode_scheduler_;
// If non-NULL, this is called when the client is done.
base::Closure client_done_;
// 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_;
// WeakPtr used to avoid tasks accessing the client after it is deleted.
base::WeakPtrFactory<ChromotingClient> weak_factory_;
base::WeakPtr<ChromotingClient> weak_ptr_;
DISALLOW_COPY_AND_ASSIGN(ChromotingClient);
};
} // namespace remoting
#endif // REMOTING_CLIENT_CHROMOTING_CLIENT_H_