| // 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 UI_VIEWS_ANIMATION_INK_DROP_H_ |
| #define UI_VIEWS_ANIMATION_INK_DROP_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/time/time.h" |
| #include "ui/compositor/layer_tree_owner.h" |
| #include "ui/events/event_handler.h" |
| #include "ui/gfx/geometry/rect.h" |
| #include "ui/gfx/geometry/size.h" |
| #include "ui/views/animation/ink_drop_state.h" |
| #include "ui/views/views_export.h" |
| |
| namespace ui { |
| class Layer; |
| } |
| namespace views { |
| |
| // Pure virtual base class that manages the lifetime and state of an ink drop |
| // ripple as well as visual hover state feedback. |
| class VIEWS_EXPORT InkDrop { |
| public: |
| virtual ~InkDrop() {} |
| |
| // Gets the target state of the ink drop. |
| virtual InkDropState GetTargetInkDropState() const = 0; |
| |
| // Animates from the current InkDropState to |ink_drop_state|. |
| virtual void AnimateToState(InkDropState ink_drop_state) = 0; |
| |
| // Immediately snaps the InkDropState to ACTIVATED. This more specific |
| // implementation of the non-existent SnapToState(InkDropState) function is |
| // the only one available because it was the only InkDropState that clients |
| // needed to skip animations for. |
| virtual void SnapToActivated() = 0; |
| |
| // Enables or disables the hover state. |
| virtual void SetHovered(bool is_hovered) = 0; |
| |
| // Enables or disables the focus state. |
| virtual void SetFocused(bool is_focused) = 0; |
| |
| protected: |
| InkDrop() {} |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(InkDrop); |
| }; |
| |
| } // namespace views |
| |
| #endif // UI_VIEWS_ANIMATION_INK_DROP_H_ |