src/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   ~HostControlDispatcher() override;
  35
  36   // ClientStub implementation.
  37   void SetCapabilities(const Capabilities& capabilities) override;
  38   void SetPairingResponse(const PairingResponse& pairing_response) override;
  39   void DeliverHostMessage(const ExtensionMessage& message) override;
  40
  41   // ClipboardStub implementation for sending clipboard data to client.
  42   void InjectClipboardEvent(const ClipboardEvent& event) override;
  43
  44   // CursorShapeStub implementation for sending cursor shape to client.
  45   void SetCursorShape(const CursorShapeInfo& cursor_shape) override;
  46
  47   // Sets the ClipboardStub that will be called for each incoming clipboard
  48   // message. |clipboard_stub| must outlive this object.
  49   void set_clipboard_stub(ClipboardStub* clipboard_stub) {
  50     clipboard_stub_ = clipboard_stub;
  51   }
  52
  53   // Sets the HostStub that will be called for each incoming control
  54   // message. |host_stub| must outlive this object.
  55   void set_host_stub(HostStub* host_stub) { host_stub_ = host_stub; }
  56
  57  protected:
  58   // ChannelDispatcherBase overrides.
  59   void OnInitialized() override;
  60
  61  private:
  62   void OnMessageReceived(scoped_ptr<ControlMessage> message,
  63                          const base::Closure& done_task);
  64
  65   ClipboardStub* clipboard_stub_;
  66   HostStub* host_stub_;
  67
  68   ProtobufMessageReader<ControlMessage> reader_;
  69   BufferedSocketWriter writer_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(HostControlDispatcher);
  72 };
  73
  74 }  // namespace protocol
  75 }  // namespace remoting
  76
  77 #endif  // REMOTING_PROTOCOL_HOST_CONTROL_DISPATCHER_H_