| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_COMPOSITOR_SCOPED_LAYER_ANIMATION_SETTINGS_H_ |
| #define UI_COMPOSITOR_SCOPED_LAYER_ANIMATION_SETTINGS_H_ |
| |
| #include <set> |
| |
| #include "base/macros.h" |
| #include "base/time/time.h" |
| #include "ui/compositor/compositor_export.h" |
| #include "ui/compositor/layer_animation_element.h" |
| #include "ui/compositor/layer_animator.h" |
| #include "ui/gfx/animation/tween.h" |
| |
| namespace ui { |
| |
| class ImplicitAnimationObserver; |
| |
| // Scoped settings allow you to temporarily change the animator's settings and |
| // these changes are reverted when the object is destroyed. NOTE: when the |
| // settings object is created, it applies the default transition duration |
| // (200ms). |
| class COMPOSITOR_EXPORT ScopedLayerAnimationSettings { |
| public: |
| explicit ScopedLayerAnimationSettings(scoped_refptr<LayerAnimator> animator); |
| virtual ~ScopedLayerAnimationSettings(); |
| |
| void AddObserver(ImplicitAnimationObserver* observer); |
| |
| void SetAnimationMetricsReporter(AnimationMetricsReporter* reporter); |
| |
| void SetTransitionDuration(base::TimeDelta duration); |
| base::TimeDelta GetTransitionDuration() const; |
| |
| // Locks transition duration in |animator_|. When transition duration |
| // is locked any subsequent changes to it are ignored until the |
| // ScopedLayerAnimationSettings object that has locked the duration goes out |
| // of scope. |
| void LockTransitionDuration(); |
| |
| void SetTweenType(gfx::Tween::Type tween_type); |
| gfx::Tween::Type GetTweenType() const; |
| |
| void SetPreemptionStrategy(LayerAnimator::PreemptionStrategy strategy); |
| LayerAnimator::PreemptionStrategy GetPreemptionStrategy() const; |
| |
| // This will request render surface caching on the animating layer. The cache |
| // request will be removed at the end of the animation. |
| void CacheRenderSurface(); |
| |
| // This will defer painting on the animating layer. The deferred paint |
| // request will be removed at the end of the animation. |
| void DeferPaint(); |
| |
| // This will request trilinear filtering on the animating layer. The filtering |
| // request will be removed at the end of the animation. |
| void TrilinearFiltering(); |
| |
| LayerAnimator* GetAnimator() { return animator_.get(); } |
| |
| private: |
| scoped_refptr<LayerAnimator> animator_; |
| bool old_is_transition_duration_locked_; |
| base::TimeDelta old_transition_duration_; |
| gfx::Tween::Type old_tween_type_; |
| LayerAnimator::PreemptionStrategy old_preemption_strategy_; |
| std::set<ImplicitAnimationObserver*> observers_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScopedLayerAnimationSettings); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_COMPOSITOR_SCOPED_LAYER_ANIMATION_SETTINGS_H_ |