// 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 #include #include "ash/ash_export.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(const ScreenRotationAnimation&) = delete; ScreenRotationAnimation& operator=(const ScreenRotationAnimation&) = delete; ~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 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_; }; } // namespace ash #endif // ASH_ROTATOR_SCREEN_ROTATION_ANIMATION_H_