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      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   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