ui/compositor/compositor_animation_observer.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 UI_COMPOSITOR_COMPOSITOR_ANIMATION_OBSERVER_H_
   6 #define UI_COMPOSITOR_COMPOSITOR_ANIMATION_OBSERVER_H_
   7
   8 #include "base/time/time.h"
   9 #include "ui/compositor/compositor_export.h"
  10
  11 namespace ui {
  12
  13 class COMPOSITOR_EXPORT CompositorAnimationObserver {
  14  public:
  15   virtual ~CompositorAnimationObserver() {}
  16
  17   virtual void OnAnimationStep(base::TimeTicks timestamp) = 0;
  18 };
  19
  20 }  // namespace ui
  21
  22 #endif  // UI_COMPOSITOR_COMPOSITOR_ANIMATION_OBSERVER_H_