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 "remoting/protocol/buffered_socket_writer.h"
   9 #include "remoting/protocol/channel_dispatcher_base.h"
  10 #include "remoting/protocol/client_stub.h"
  11 #include "remoting/protocol/clipboard_stub.h"
  12 #include "remoting/protocol/cursor_shape_stub.h"
  13 #include "remoting/protocol/message_reader.h"
  14
  15 namespace net {
  16 class StreamSocket;
  17 }  // namespace net
  18
  19 namespace remoting {
  20 namespace protocol {
  21
  22 class ControlMessage;
  23 class HostStub;
  24 class PairingResponse;
  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   // ClientStub implementation.
  37   virtual void SetCapabilities(const Capabilities& capabilities) OVERRIDE;
  38   virtual void SetPairingResponse(
  39       const PairingResponse& pairing_response) OVERRIDE;
  40   virtual void DeliverHostMessage(
  41       const ExtensionMessage& message) OVERRIDE;
  42
  43   // ClipboardStub implementation for sending clipboard data to client.
  44   virtual void InjectClipboardEvent(const ClipboardEvent& event) OVERRIDE;
  45
  46   // CursorShapeStub implementation for sending cursor shape to client.
  47   virtual void SetCursorShape(const CursorShapeInfo& cursor_shape) OVERRIDE;
  48
  49   // Sets the ClipboardStub that will be called for each incoming clipboard
  50   // message. |clipboard_stub| must outlive this object.
  51   void set_clipboard_stub(ClipboardStub* clipboard_stub) {
  52     clipboard_stub_ = clipboard_stub;
  53   }
  54
  55   // Sets the HostStub that will be called for each incoming control
  56   // message. |host_stub| must outlive this object.
  57   void set_host_stub(HostStub* host_stub) { host_stub_ = host_stub; }
  58
  59  protected:
  60   // ChannelDispatcherBase overrides.
  61   virtual void OnInitialized() OVERRIDE;
  62
  63  private:
  64   void OnMessageReceived(scoped_ptr<ControlMessage> message,
  65                          const base::Closure& done_task);
  66
  67   ClipboardStub* clipboard_stub_;
  68   HostStub* host_stub_;
  69
  70   ProtobufMessageReader<ControlMessage> reader_;
  71   BufferedSocketWriter writer_;
  72
  73   DISALLOW_COPY_AND_ASSIGN(HostControlDispatcher);
  74 };
  75
  76 }  // namespace protocol
  77 }  // namespace remoting
  78
  79 #endif  // REMOTING_PROTOCOL_HOST_CONTROL_DISPATCHER_H_