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1 // Copyright 2016 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 ASH_COMMON_SHELF_INK_DROP_BUTTON_LISTENER_H_ | |
6 #define ASH_COMMON_SHELF_INK_DROP_BUTTON_LISTENER_H_ | |
7 | |
8 #include "ash/ash_export.h" | |
9 | |
10 namespace ui { | |
11 class Event; | |
12 } | |
13 | |
14 namespace views { | |
15 class Button; | |
16 class InkDrop; | |
17 } | |
18 | |
19 namespace ash { | |
20 | |
21 // An interface used by buttons on shelf to notify ShelfView when they are | |
22 // pressed. |ink_drop| is used to do appropriate ink drop animation based on the | |
23 // action performed. | |
24 // TODO(mohsen): A better approach would be to return a value indicating the | |
25 // type of action performed such that the button can animate the ink drop. | |
26 // Currently, it is not possible because showing menu is synchronous and blocks | |
27 // the call. Fix this after menu is converted to synchronous. Long-term, the | |
28 // return value can be merged into ButtonListener. | |
29 class ASH_EXPORT InkDropButtonListener { | |
30 public: | |
31 virtual void ButtonPressed(views::Button* sender, | |
32 const ui::Event& event, | |
33 views::InkDrop* ink_drop) = 0; | |
34 | |
35 protected: | |
36 virtual ~InkDropButtonListener() {} | |
37 }; | |
38 | |
39 } // namespace ash | |
40 | |
41 #endif // ASH_COMMON_SHELF_INK_DROP_BUTTON_LISTENER_H_ | |
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