ui/compositor/scoped_animation_duration_scale_mode.h

   1 // Copyright (c) 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 UI_COMPOSITOR_SCOPED_ANIMATION_DURATION_SCALE_MODE_H_
   6 #define UI_COMPOSITOR_SCOPED_ANIMATION_DURATION_SCALE_MODE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "ui/compositor/compositor_export.h"
  10
  11 namespace ui {
  12
  13 // Speed up or slow down animations for testing or debugging.
  14 class COMPOSITOR_EXPORT ScopedAnimationDurationScaleMode {
  15  public:
  16   enum DurationScaleMode {
  17     NORMAL_DURATION,
  18     FAST_DURATION,
  19     SLOW_DURATION,
  20     ZERO_DURATION
  21   };
  22
  23   explicit ScopedAnimationDurationScaleMode(
  24       DurationScaleMode scoped_duration_scale_mode)
  25       : old_duration_scale_mode_(duration_scale_mode_) {
  26     duration_scale_mode_ = scoped_duration_scale_mode;
  27   }
  28
  29   ~ScopedAnimationDurationScaleMode() {
  30     duration_scale_mode_ = old_duration_scale_mode_;
  31   }
  32
  33   static DurationScaleMode duration_scale_mode() {
  34     return duration_scale_mode_;
  35   }
  36
  37  private:
  38   DurationScaleMode old_duration_scale_mode_;
  39
  40   static DurationScaleMode duration_scale_mode_;
  41
  42   DISALLOW_COPY_AND_ASSIGN(ScopedAnimationDurationScaleMode);
  43 };
  44
  45 }  // namespace ui
  46
  47 #endif  // UI_COMPOSITOR_SCOPED_ANIMATION_DURATION_SCALE_MODE_H