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_MOUSE_INPUT_FILTER_H_
6#define REMOTING_PROTOCOL_MOUSE_INPUT_FILTER_H_
7
8#include "base/compiler_specific.h"
9#include "remoting/protocol/input_filter.h"
10#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
11
12namespace remoting {
13namespace protocol {
14
15// Filtering InputStub implementation which scales mouse events based on the
16// supplied input and output dimensions, and clamps their coordinates to the
17// output dimensions, before passing events on to |input_stub|.
18class MouseInputFilter : public InputFilter {
19 public:
20  MouseInputFilter();
21  explicit MouseInputFilter(InputStub* input_stub);
22  virtual ~MouseInputFilter();
23
24  // Specify the input dimensions for mouse events.
25  void set_input_size(const webrtc::DesktopSize& size);
26
27  // Specify the output dimensions.
28  void set_output_size(const webrtc::DesktopSize& size);
29
30  // InputStub overrides.
31  virtual void InjectMouseEvent(const protocol::MouseEvent& event) OVERRIDE;
32
33 private:
34  webrtc::DesktopSize input_max_;
35  webrtc::DesktopSize output_max_;
36
37  DISALLOW_COPY_AND_ASSIGN(MouseInputFilter);
38};
39
40}  // namespace protocol
41}  // namespace remoting
42
43#endif  // REMOTING_PROTOCOL_MOUSE_INPUT_FILTER_H_
44