remoting/protocol/host_control_dispatcher.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef REMOTING_PROTOCOL_HOST_CONTROL_DISPATCHER_H_
   6 #define REMOTING_PROTOCOL_HOST_CONTROL_DISPATCHER_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "remoting/protocol/buffered_socket_writer.h"
  10 #include "remoting/protocol/channel_dispatcher_base.h"
  11 #include "remoting/protocol/client_stub.h"
  12 #include "remoting/protocol/clipboard_stub.h"
  13 #include "remoting/protocol/cursor_shape_stub.h"
  14 #include "remoting/protocol/message_reader.h"
  15
  16 namespace net {
  17 class StreamSocket;
  18 }  // namespace net
  19
  20 namespace remoting {
  21 namespace protocol {
  22
  23 class ControlMessage;
  24 class HostStub;
  25 class Session;
  26
  27 // HostControlDispatcher dispatches incoming messages on the control
  28 // channel to HostStub or ClipboardStub, and also implements ClientStub and
  29 // CursorShapeStub for outgoing messages.
  30 class HostControlDispatcher : public ChannelDispatcherBase,
  31                               public ClientStub {
  32  public:
  33   HostControlDispatcher();
  34   virtual ~HostControlDispatcher();
  35
  36   // ClipboardStub implementation for sending clipboard data to client.
  37   virtual void InjectClipboardEvent(const ClipboardEvent& event) OVERRIDE;
  38
  39   // CursorShapeStub implementation for sending cursor shape to client.
  40   virtual void SetCursorShape(const CursorShapeInfo& cursor_shape) OVERRIDE;
  41
  42   // Sets the ClipboardStub that will be called for each incoming clipboard
  43   // message. |clipboard_stub| must outlive this object.
  44   void set_clipboard_stub(ClipboardStub* clipboard_stub) {
  45     clipboard_stub_ = clipboard_stub;
  46   }
  47
  48   // Sets the HostStub that will be called for each incoming control
  49   // message. |host_stub| must outlive this object.
  50   void set_host_stub(HostStub* host_stub) { host_stub_ = host_stub; }
  51
  52  protected:
  53   // ChannelDispatcherBase overrides.
  54   virtual void OnInitialized() OVERRIDE;
  55
  56  private:
  57   void OnMessageReceived(scoped_ptr<ControlMessage> message,
  58                          const base::Closure& done_task);
  59
  60   ClipboardStub* clipboard_stub_;
  61   HostStub* host_stub_;
  62
  63   ProtobufMessageReader<ControlMessage> reader_;
  64   BufferedSocketWriter writer_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(HostControlDispatcher);
  67 };
  68
  69 }  // namespace protocol
  70 }  // namespace remoting
  71
  72 #endif  // REMOTING_PROTOCOL_HOST_CONTROL_DISPATCHER_H_