| // Copyright 2015 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 ASH_ROTATOR_SCREEN_ROTATION_ANIMATION_H_ |
| #define ASH_ROTATOR_SCREEN_ROTATION_ANIMATION_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| |
| #include "ash/ash_export.h" |
| #include "base/macros.h" |
| #include "base/time/time.h" |
| #include "ui/compositor/layer_animation_element.h" |
| #include "ui/gfx/animation/tween.h" |
| #include "ui/gfx/geometry/point.h" |
| |
| namespace ui { |
| class InterpolatedTransform; |
| class Layer; |
| } |
| |
| namespace ash { |
| |
| // A LayerAnimationElement that will animate a layer by rotating it around a |
| // pivot point. |
| class ASH_EXPORT ScreenRotationAnimation : public ui::LayerAnimationElement { |
| public: |
| // Creates an animation element that will rotate |layer| from |start_degrees| |
| // to |end_degrees| around the given |pivot| and will take |duration| amount |
| // of time. |
| ScreenRotationAnimation(ui::Layer* layer, |
| int start_degrees, |
| int end_degrees, |
| float initial_opacity, |
| float target_opacity, |
| gfx::Point pivot, |
| base::TimeDelta duration, |
| gfx::Tween::Type twen_type); |
| ~ScreenRotationAnimation() override; |
| |
| private: |
| // Implementation of ui::LayerAnimationElement: |
| void OnStart(ui::LayerAnimationDelegate* delegate) override; |
| bool OnProgress(double current, |
| ui::LayerAnimationDelegate* delegate) override; |
| void OnGetTarget(TargetValue* target) const override; |
| void OnAbort(ui::LayerAnimationDelegate* delegate) override; |
| |
| // The root InterpolatedTransform that defines the animation. |
| std::unique_ptr<ui::InterpolatedTransform> interpolated_transform_; |
| |
| // The Tween type to use for the animation. |
| gfx::Tween::Type tween_type_; |
| |
| // The initial layer opacity to start the animation with. |
| float initial_opacity_; |
| |
| // The target layer opacity to end the animation with. |
| float target_opacity_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScreenRotationAnimation); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_ROTATOR_SCREEN_ROTATION_ANIMATION_H_ |