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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_BUTTON_INK_DROP_DELEGATE_H_ | |
6 #define UI_VIEWS_ANIMATION_BUTTON_INK_DROP_DELEGATE_H_ | |
7 | |
8 #include <memory> | |
9 | |
10 #include "base/macros.h" | |
11 #include "ui/events/event_handler.h" | |
12 #include "ui/gfx/geometry/point.h" | |
13 #include "ui/views/animation/ink_drop_delegate.h" | |
14 #include "ui/views/views_export.h" | |
15 | |
16 namespace ui { | |
17 class ScopedTargetHandler; | |
18 } | |
19 | |
20 namespace views { | |
21 | |
22 class InkDrop; | |
23 class InkDropHost; | |
24 class View; | |
25 | |
26 // An InkDropDelegate that handles animations for things that act like buttons. | |
27 class VIEWS_EXPORT ButtonInkDropDelegate : public InkDropDelegate, | |
28 public ui::EventHandler { | |
29 public: | |
30 ButtonInkDropDelegate(InkDropHost* ink_drop_host, View* view); | |
31 ~ButtonInkDropDelegate() override; | |
32 | |
33 const gfx::Point& last_ink_drop_location() const { | |
34 return last_ink_drop_location_; | |
35 } | |
36 void set_last_ink_drop_location(const gfx::Point& point) { | |
37 last_ink_drop_location_ = point; | |
38 } | |
39 | |
40 // InkDropDelegate: | |
41 void OnAction(InkDropState state) override; | |
42 void SnapToActivated() override; | |
43 void SetHovered(bool is_hovered) override; | |
44 InkDropState GetTargetInkDropState() const override; | |
45 InkDrop* GetInkDrop() override; | |
46 | |
47 // ui::EventHandler: | |
48 void OnMouseEvent(ui::MouseEvent* event) override; | |
49 void OnGestureEvent(ui::GestureEvent* event) override; | |
50 | |
51 private: | |
52 // An instance of ScopedTargetHandler allowing |this| to handle events. | |
53 std::unique_ptr<ui::ScopedTargetHandler> target_handler_; | |
54 | |
55 // Parent InkDropHost (typically a View) that hosts the ink ripple animations. | |
56 InkDropHost* ink_drop_host_; | |
57 | |
58 // Location of the last ink drop triggering event in coordinate system of the | |
59 // ctor argument |view|. | |
60 gfx::Point last_ink_drop_location_; | |
61 | |
62 // Animation controller for the ink drop ripple effect. | |
63 std::unique_ptr<InkDrop> ink_drop_; | |
64 | |
65 DISALLOW_COPY_AND_ASSIGN(ButtonInkDropDelegate); | |
66 }; | |
67 | |
68 } // namespace views | |
69 | |
70 #endif // UI_VIEWS_ANIMATION_BUTTON_INK_DROP_DELEGATE_H_ | |
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