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_CLIENT_CONTROL_DISPATCHER_H_
6 #define REMOTING_PROTOCOL_CLIENT_CONTROL_DISPATCHER_H_
7 
8 #include "base/macros.h"
9 #include "base/memory/ref_counted.h"
10 #include "remoting/protocol/channel_dispatcher_base.h"
11 #include "remoting/protocol/clipboard_stub.h"
12 #include "remoting/protocol/cursor_shape_stub.h"
13 #include "remoting/protocol/host_stub.h"
14 
15 namespace remoting {
16 namespace protocol {
17 
18 class ClientStub;
19 
20 // ClientControlDispatcher dispatches incoming messages on the control
21 // channel to ClientStub, ClipboardStub or CursorShapeStub.
22 // It also implements ClipboardStub and HostStub for outgoing messages.
23 class ClientControlDispatcher : public ChannelDispatcherBase,
24                                 public ClipboardStub,
25                                 public HostStub {
26  public:
27   ClientControlDispatcher();
28   ~ClientControlDispatcher() override;
29 
30   // ClipboardStub implementation.
31   void InjectClipboardEvent(const ClipboardEvent& event) override;
32 
33   // HostStub implementation.
34   void NotifyClientResolution(const ClientResolution& resolution) override;
35   void ControlVideo(const VideoControl& video_control) override;
36   void ControlAudio(const AudioControl& audio_control) override;
37   void SetCapabilities(const Capabilities& capabilities) override;
38   void RequestPairing(const PairingRequest& pairing_request) override;
39   void DeliverClientMessage(const ExtensionMessage& message) override;
40   void SelectDesktopDisplay(
41       const SelectDesktopDisplayRequest& select_display) override;
42   void ControlPeerConnection(
43       const protocol::PeerConnectionParameters& parameters) override;
44 
45   // Sets the ClientStub that will be called for each incoming control
46   // message. |client_stub| must outlive this object.
set_client_stub(ClientStub * client_stub)47   void set_client_stub(ClientStub* client_stub) { client_stub_ = client_stub; }
48 
49   // Sets the ClipboardStub that will be called for each incoming clipboard
50   // message. |clipboard_stub| must outlive this object.
set_clipboard_stub(ClipboardStub * clipboard_stub)51   void set_clipboard_stub(ClipboardStub* clipboard_stub) {
52     clipboard_stub_ = clipboard_stub;
53   }
54 
55  private:
56   void OnIncomingMessage(std::unique_ptr<CompoundBuffer> message) override;
57 
58   ClientStub* client_stub_ = nullptr;
59   ClipboardStub* clipboard_stub_ = nullptr;
60 
61   DISALLOW_COPY_AND_ASSIGN(ClientControlDispatcher);
62 };
63 
64 }  // namespace protocol
65 }  // namespace remoting
66 
67 #endif  // REMOTING_PROTOCOL_CLIENT_CONTROL_DISPATCHER_H_
68