OLD | NEW |
(Empty) | |
| 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_LAYER_ANIMATOR_COLLECTION_H_ |
| 6 #define UI_COMPOSITOR_LAYER_ANIMATOR_COLLECTION_H_ |
| 7 |
| 8 #include <set> |
| 9 |
| 10 #include "base/callback.h" |
| 11 #include "base/memory/ref_counted.h" |
| 12 #include "base/time/time.h" |
| 13 #include "ui/compositor/compositor_export.h" |
| 14 |
| 15 namespace base { |
| 16 class TimeTicks; |
| 17 } |
| 18 |
| 19 namespace ui { |
| 20 |
| 21 class LayerAnimator; |
| 22 |
| 23 class COMPOSITOR_EXPORT LayerAnimatorCollectionDelegate { |
| 24 public: |
| 25 virtual ~LayerAnimatorCollectionDelegate() {} |
| 26 |
| 27 virtual void ScheduleAnimationForLayerCollection() = 0; |
| 28 }; |
| 29 |
| 30 // A collection of LayerAnimators that should be updated at each animation step |
| 31 // in the compositor. |
| 32 class COMPOSITOR_EXPORT LayerAnimatorCollection { |
| 33 public: |
| 34 explicit LayerAnimatorCollection(LayerAnimatorCollectionDelegate* delegate); |
| 35 ~LayerAnimatorCollection(); |
| 36 |
| 37 void StartAnimator(scoped_refptr<LayerAnimator> animator); |
| 38 void StopAnimator(scoped_refptr<LayerAnimator> animator); |
| 39 |
| 40 bool HasActiveAnimators() const; |
| 41 |
| 42 void Progress(base::TimeTicks now); |
| 43 |
| 44 base::TimeTicks last_tick_time() const { return last_tick_time_; } |
| 45 |
| 46 private: |
| 47 LayerAnimatorCollectionDelegate* delegate_; |
| 48 base::TimeTicks last_tick_time_; |
| 49 std::set<scoped_refptr<LayerAnimator> > animators_; |
| 50 |
| 51 DISALLOW_COPY_AND_ASSIGN(LayerAnimatorCollection); |
| 52 }; |
| 53 |
| 54 } // namespace ui |
| 55 |
| 56 #endif // UI_COMPOSITOR_LAYER_ANIMATOR_COLLECTION_H_ |
OLD | NEW |