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| 1 // Copyright 2015 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_VIEWS_ANIMATION_INK_DROP_ANIMATION_CONTROLLER_IMPL_H_ | |
| 6 #define UI_VIEWS_ANIMATION_INK_DROP_ANIMATION_CONTROLLER_IMPL_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 | |
| 10 #include "base/macros.h" | |
| 11 #include "ui/gfx/geometry/rect.h" | |
| 12 #include "ui/gfx/geometry/size.h" | |
| 13 #include "ui/views/animation/ink_drop_animation_controller.h" | |
| 14 #include "ui/views/animation/ink_drop_hover_observer.h" | |
| 15 #include "ui/views/animation/ink_drop_ripple_observer.h" | |
| 16 #include "ui/views/views_export.h" | |
| 17 | |
| 18 namespace base { | |
| 19 class Timer; | |
| 20 } // namespace base | |
| 21 | |
| 22 namespace views { | |
| 23 namespace test { | |
| 24 class InkDropAnimationControllerImplTestApi; | |
| 25 } // namespace test | |
| 26 | |
| 27 class InkDropRipple; | |
| 28 class InkDropHost; | |
| 29 class InkDropHover; | |
| 30 class InkDropAnimationControllerFactoryTest; | |
| 31 | |
| 32 // A functional implementation of an InkDropAnimationController. | |
| 33 class VIEWS_EXPORT InkDropAnimationControllerImpl | |
| 34 : public InkDropAnimationController, | |
| 35 public InkDropRippleObserver, | |
| 36 public InkDropHoverObserver { | |
| 37 public: | |
| 38 // Constructs an ink drop controller that will attach the ink drop to the | |
| 39 // given |ink_drop_host|. | |
| 40 explicit InkDropAnimationControllerImpl(InkDropHost* ink_drop_host); | |
| 41 ~InkDropAnimationControllerImpl() override; | |
| 42 | |
| 43 // InkDropAnimationController: | |
| 44 InkDropState GetTargetInkDropState() const override; | |
| 45 bool IsVisible() const override; | |
| 46 void AnimateToState(InkDropState ink_drop_state) override; | |
| 47 void SnapToActivated() override; | |
| 48 void SetHovered(bool is_hovered) override; | |
| 49 | |
| 50 private: | |
| 51 friend class test::InkDropAnimationControllerImplTestApi; | |
| 52 | |
| 53 // Destroys |ink_drop_ripple_| if it's targeted to the HIDDEN state. | |
| 54 void DestroyHiddenTargetedAnimations(); | |
| 55 | |
| 56 // Creates a new InkDropRipple and sets it to |ink_drop_ripple_|. If | |
| 57 // |ink_drop_ripple_| wasn't null then it will be destroyed using | |
| 58 // DestroyInkDropRipple(). | |
| 59 void CreateInkDropRipple(); | |
| 60 | |
| 61 // Destroys the current |ink_drop_ripple_|. | |
| 62 void DestroyInkDropRipple(); | |
| 63 | |
| 64 // Creates a new InkDropHover and sets it to |hover_|. If |hover_| wasn't null | |
| 65 // then it will be destroyed using DestroyInkDropHover(). | |
| 66 void CreateInkDropHover(); | |
| 67 | |
| 68 // Destroys the current |hover_|. | |
| 69 void DestroyInkDropHover(); | |
| 70 | |
| 71 // Adds the |root_layer_| to the |ink_drop_host_| if it hasn't already been | |
| 72 // added. | |
| 73 void AddRootLayerToHostIfNeeded(); | |
| 74 | |
| 75 // Removes the |root_layer_| from the |ink_drop_host_| if no ink drop ripple | |
| 76 // or hover is active. | |
| 77 void RemoveRootLayerFromHostIfNeeded(); | |
| 78 | |
| 79 // Returns true if the hover animation is in the process of fading in or | |
| 80 // is visible. | |
| 81 bool IsHoverFadingInOrVisible() const; | |
| 82 | |
| 83 // views::InkDropRippleObserver: | |
| 84 void AnimationStarted(InkDropState ink_drop_state) override; | |
| 85 void AnimationEnded(InkDropState ink_drop_state, | |
| 86 InkDropAnimationEndedReason reason) override; | |
| 87 | |
| 88 // views::InkDropHoverObserver: | |
| 89 void AnimationStarted(InkDropHover::AnimationType animation_type) override; | |
| 90 void AnimationEnded(InkDropHover::AnimationType animation_type, | |
| 91 InkDropAnimationEndedReason reason) override; | |
| 92 | |
| 93 // Enables or disables the hover state based on |is_hovered| and if an | |
| 94 // animation is triggered it will be scheduled to have the given | |
| 95 // |animation_duration|. If |explode| is true the hover will expand as it | |
| 96 // fades out. |explode| is ignored when |is_hovered| is true. | |
| 97 void SetHoveredInternal(bool is_hovered, | |
| 98 base::TimeDelta animation_duration, | |
| 99 bool explode); | |
| 100 | |
| 101 // Starts the |hover_after_ripple_timer_| timer. This will stop the current | |
| 102 // |hover_after_ripple_timer_| instance if it exists. | |
| 103 void StartHoverAfterRippleTimer(); | |
| 104 | |
| 105 // Stops and destroys the current |hover_after_ripple_timer_| instance. | |
| 106 void StopHoverAfterRippleTimer(); | |
| 107 | |
| 108 // Callback for when the |hover_after_ripple_timer_| fires. | |
| 109 void HoverAfterRippleTimerFired(); | |
| 110 | |
| 111 // The host of the ink drop. Used to poll for information such as whether the | |
| 112 // hover should be shown or not. | |
| 113 InkDropHost* ink_drop_host_; | |
| 114 | |
| 115 // The root Layer that parents the InkDropRipple layers and the InkDropHover | |
| 116 // layers. The |root_layer_| is the one that is added and removed from the | |
| 117 // InkDropHost. | |
| 118 std::unique_ptr<ui::Layer> root_layer_; | |
| 119 | |
| 120 // True when the |root_layer_| has been added to the |ink_drop_host_|. | |
| 121 bool root_layer_added_to_host_; | |
| 122 | |
| 123 // The current InkDropHover. Lazily created using CreateInkDropHover(); | |
| 124 std::unique_ptr<InkDropHover> hover_; | |
| 125 | |
| 126 // Tracks the logical hovered state of |this| as manipulated by the public | |
| 127 // SetHovered() function. | |
| 128 bool is_hovered_; | |
| 129 | |
| 130 // The current InkDropRipple. Created on demand using CreateInkDropRipple(). | |
| 131 std::unique_ptr<InkDropRipple> ink_drop_ripple_; | |
| 132 | |
| 133 // The timer used to delay the hover fade in after an ink drop ripple | |
| 134 // animation. | |
| 135 std::unique_ptr<base::Timer> hover_after_ripple_timer_; | |
| 136 | |
| 137 DISALLOW_COPY_AND_ASSIGN(InkDropAnimationControllerImpl); | |
| 138 }; | |
| 139 | |
| 140 } // namespace views | |
| 141 | |
| 142 #endif // UI_VIEWS_ANIMATION_INK_DROP_ANIMATION_CONTROLLER_IMPL_H_ | |
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