content/browser/renderer_host/synthetic_gesture_calculator.h

// Copyright 2013 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 CONTENT_BROWSER_RENDERER_HOST_SYNTHETIC_GESTURE_CALCULATOR_H_
#define CONTENT_BROWSER_RENDERER_HOST_SYNTHETIC_GESTURE_CALCULATOR_H_

#include "base/time/time.h"

namespace content {

// A utility class to calculate the delta for synthetic gesture events.
class SyntheticGestureCalculator {
 public:
  SyntheticGestureCalculator();
  ~SyntheticGestureCalculator();

  float GetDelta(base::TimeTicks now, base::TimeDelta desired_interval);

 private:
  base::TimeTicks last_tick_time_;

  DISALLOW_COPY_AND_ASSIGN(SyntheticGestureCalculator);
};

} // namespace content

#endif  // CONTENT_BROWSER_RENDERER_HOST_SYNTHETIC_GESTURE_CALCULATOR_H_