| // Copyright 2017 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_VIEWS_ANIMATION_INK_DROP_OBSERVER_H_ |
| #define UI_VIEWS_ANIMATION_INK_DROP_OBSERVER_H_ |
| |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "ui/views/animation/ink_drop_state.h" |
| #include "ui/views/views_export.h" |
| |
| namespace views { |
| |
| // Observer to attach to an InkDrop. |
| class VIEWS_EXPORT InkDropObserver { |
| public: |
| // Called when the animation of the current InkDrop has started. This |
| // includes the ripple or highlight animation. Note: this is not guaranteed to |
| // be notified, as the notification is dependent on the subclass |
| // implementation. |
| virtual void InkDropAnimationStarted() = 0; |
| |
| // Called when the animation to the provided ink drop state has ended (both if |
| // the animation ended successfully, and if the animation was aborted). |
| // Includes ripple animation only. |
| // NOTE: this is not guaranteed to be notified, as the notification is |
| // dependent on the subclass implementation. |
| // |ink_drop_state| - The state to which the ink drop ripple was animating. |
| virtual void InkDropRippleAnimationEnded(InkDropState ink_drop_state) = 0; |
| |
| protected: |
| InkDropObserver() = default; |
| virtual ~InkDropObserver() = default; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(InkDropObserver); |
| }; |
| |
| } // namespace views |
| |
| #endif // UI_VIEWS_ANIMATION_INK_DROP_OBSERVER_H_ |