src/content/browser/renderer_host/synthetic_gesture_calculator.h

   1 // Copyright 2013 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 CONTENT_BROWSER_RENDERER_HOST_SYNTHETIC_GESTURE_CALCULATOR_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_SYNTHETIC_GESTURE_CALCULATOR_H_
   7
   8 #include "base/time/time.h"
   9
  10 namespace content {
  11
  12 // A utility class to calculate the delta for synthetic gesture events.
  13 class SyntheticGestureCalculator {
  14  public:
  15   SyntheticGestureCalculator();
  16   ~SyntheticGestureCalculator();
  17
  18   float GetDelta(base::TimeTicks now, base::TimeDelta desired_interval);
  19
  20  private:
  21   base::TimeTicks last_tick_time_;
  22
  23   DISALLOW_COPY_AND_ASSIGN(SyntheticGestureCalculator);
  24 };
  25
  26 } // namespace content
  27
  28 #endif  // CONTENT_BROWSER_RENDERER_HOST_SYNTHETIC_GESTURE_CALCULATOR_H_