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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_WM_SHELF_WM_SHELF_H_ | |
6 #define ASH_COMMON_WM_SHELF_WM_SHELF_H_ | |
7 | |
8 #include "ash/ash_export.h" | |
9 #include "ash/common/wm/shelf/wm_shelf_types.h" | |
10 | |
11 namespace gfx { | |
12 class Rect; | |
13 } | |
14 | |
15 namespace ash { | |
16 | |
17 class WmWindow; | |
18 | |
19 namespace wm { | |
20 | |
21 class WmShelfObserver; | |
22 | |
23 // Used for accessing global state. | |
24 class ASH_EXPORT WmShelf { | |
25 public: | |
26 // Returns the window showing the shelf. | |
27 virtual WmWindow* GetWindow() = 0; | |
28 | |
29 virtual ShelfAlignment GetAlignment() const = 0; | |
30 | |
31 virtual ShelfBackgroundType GetBackgroundType() const = 0; | |
32 | |
33 virtual void UpdateVisibilityState() = 0; | |
34 | |
35 virtual ShelfVisibilityState GetVisibilityState() const = 0; | |
36 | |
37 virtual void UpdateIconPositionForWindow(WmWindow* window) = 0; | |
38 | |
39 // Returns the screen bounds of the item for the specified window. If there is | |
40 // no item for the specified window an empty rect is returned. | |
41 virtual gfx::Rect GetScreenBoundsOfItemIconForWindow(WmWindow* window) = 0; | |
42 | |
43 virtual void AddObserver(WmShelfObserver* observer) = 0; | |
44 virtual void RemoveObserver(WmShelfObserver* observer) = 0; | |
45 | |
46 protected: | |
47 virtual ~WmShelf() {} | |
48 }; | |
49 | |
50 } // namespace wm | |
51 } // namespace ash | |
52 | |
53 #endif // ASH_COMMON_WM_SHELF_WM_SHELF_H_ | |
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