1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_QUICK_INSERT_VIEWS_QUICK_INSERT_TRAVERSABLE_ITEM_CONTAINER_H_
#define ASH_QUICK_INSERT_VIEWS_QUICK_INSERT_TRAVERSABLE_ITEM_CONTAINER_H_
#include "ash/ash_export.h"
namespace views {
class View;
}
namespace ash {
// Interface implemented by Quick Insert item containers that support item
// traversal.
class ASH_EXPORT QuickInsertTraversableItemContainer {
public:
virtual ~QuickInsertTraversableItemContainer() = default;
// Returns the item to highlight to when navigating to this container from the
// top, or nullptr if the container is empty.
virtual views::View* GetTopItem() = 0;
// Returns the item to highlight to when navigating to this container from the
// bottom, or nullptr if the container is empty.
virtual views::View* GetBottomItem() = 0;
// Returns the item directly above `item`, or nullptr if there is no such item
// in the container.
virtual views::View* GetItemAbove(views::View* item) = 0;
// Returns the item directly below `item`, or nullptr if there is no such item
// in the container.
virtual views::View* GetItemBelow(views::View* item) = 0;
// Returns the item directly to the left of `item`, or nullptr if there is no
// such item in the container.
virtual views::View* GetItemLeftOf(views::View* item) = 0;
// Returns the item directly to the right of `item`, or nullptr if there is no
// such item in the container.
virtual views::View* GetItemRightOf(views::View* item) = 0;
virtual bool ContainsItem(views::View* item) = 0;
};
} // namespace ash
#endif // ASH_QUICK_INSERT_VIEWS_QUICK_INSERT_TRAVERSABLE_ITEM_CONTAINER_H_
|
