Clamp events before they are sent to EventExecutors.

remoting/client/mouse_input_filter.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef REMOTING_CLIENT_MOUSE_INPUT_FILTER_H_
-#define REMOTING_CLIENT_MOUSE_INPUT_FILTER_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "remoting/protocol/input_stub.h"
-#include "third_party/skia/include/core/SkTypes.h"
-#include "third_party/skia/include/core/SkSize.h"
-
-namespace remoting {
-
-// Filtering InputStub implementation which scales mouse events based on the
-// supplied input and output dimensions, and clamps their coordinates to the
-// output dimensions, before passing events on to |input_stub|.
-class MouseInputFilter : public protocol::InputStub {
- public:
-  explicit MouseInputFilter(protocol::InputStub* input_stub);
-  virtual ~MouseInputFilter();
-
-  // Specify the input dimensions for mouse events.
-  void set_input_size(const SkISize& size);
-
-  // Specify the output dimensions.
-  void set_output_size(const SkISize& size);
-
-  // InputStub interface.
-  virtual void InjectKeyEvent(const protocol::KeyEvent& event) OVERRIDE;
-  virtual void InjectMouseEvent(const protocol::MouseEvent& event) OVERRIDE;
-
- private:
-  protocol::InputStub* input_stub_;
-
-  SkISize input_max_;
-  SkISize output_max_;
-
-  DISALLOW_COPY_AND_ASSIGN(MouseInputFilter);
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_CLIENT_MOUSE_INPUT_FILTER_H_