Refactor client channel dispatchers.

remoting/protocol/client_message_dispatcher.h

-// Copyright (c) 2011 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_CLIENT_MESSAGE_DISPATCHER_H_
-#define REMOTING_PROTOCOL_CLIENT_MESSAGE_DISPATCHER_H_
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "remoting/protocol/message_reader.h"
-
-namespace remoting {
-
-namespace protocol {
-
-class ClientStub;
-class ControlMessage;
-class Session;
-
-// A message dispatcher used to listen for messages received in
-// protocol::Session. It dispatches messages to the corresponding
-// handler.
-//
-// Internally it contains an EventStreamReader that decodes data on
-// communications channels into protocol buffer messages.
-// EventStreamReader is registered with protocol::Session given to it.
-//
-// Object of this class is owned by ConnectionToHost.
-class ClientMessageDispatcher {
- public:
-  // Construct a message dispatcher.
-  ClientMessageDispatcher();
-  virtual ~ClientMessageDispatcher();
-
-  // Initialize the message dispatcher with the given connection and
-  // message handlers.
-  void Initialize(protocol::Session* session, ClientStub* client_stub);
-
- private:
-  void OnControlMessageReceived(ControlMessage* message,
-                                const base::Closure& done_task);
-
-  // MessageReader that runs on the control channel. It runs a loop
-  // that parses data on the channel and then calls the corresponding handler
-  // in this class.
-  scoped_ptr<ProtobufMessageReader<ControlMessage> > control_message_reader_;
-
-  // Stubs for client and input. These objects are not owned.
-  // They are called on the thread there data is received, i.e. jingle thread.
-  ClientStub* client_stub_;
-
-  DISALLOW_COPY_AND_ASSIGN(ClientMessageDispatcher);
-};
-
-}  // namespace protocol
-}  // namespace remoting
-
-#endif  // REMOTING_PROTOCOL_CLIENT_MESSAGE_DISPATCHER_H_