cc/base/time_util.h

   1 // Copyright 2014 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 CC_BASE_TIME_UTIL_H_
   6 #define CC_BASE_TIME_UTIL_H_
   7
   8 namespace base {
   9 class TimeDelta;
  10 }
  11
  12 namespace cc {
  13
  14 class CC_EXPORT TimeUtil {
  15  public:
  16   static base::TimeDelta Scale(base::TimeDelta time_delta, double value) {
  17     return base::TimeDelta::FromInternalValue(static_cast<int64>(
  18         static_cast<double>(time_delta.ToInternalValue()) * value));
  19   }
  20
  21   static double Divide(base::TimeDelta dividend, base::TimeDelta divisor) {
  22     return static_cast<double>(dividend.ToInternalValue()) /
  23            static_cast<double>(divisor.ToInternalValue());
  24   }
  25
  26   static base::TimeDelta Mod(base::TimeDelta dividend,
  27                              base::TimeDelta divisor) {
  28     return base::TimeDelta::FromInternalValue(dividend.ToInternalValue() %
  29                                               divisor.ToInternalValue());
  30   }
  31 };
  32
  33 }  // namespace cc
  34
  35 #endif  // CC_BASE_TIME_UTIL_H_