remoting/protocol/mouse_input_filter.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_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
  12 namespace remoting {
  13 namespace 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|.
  18 class MouseInputFilter : public InputFilter {
  19  public:
  20   MouseInputFilter();
  21   explicit MouseInputFilter(InputStub* input_stub);
  22   ~MouseInputFilter() override;
  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   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_