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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/system/accessibility/floating_menu_utils.h"
#include "ash/public/cpp/accessibility_controller_enums.h"
#include "ash/shell.h"
#include "ash/wm/collision_detection/collision_detection_utils.h"
#include "ash/wm/work_area_insets.h"
#include "base/i18n/rtl.h"
namespace ash {
FloatingMenuPosition DefaultSystemFloatingMenuPosition() {
return base::i18n::IsRTL() ? FloatingMenuPosition::kBottomLeft
: FloatingMenuPosition::kBottomRight;
}
gfx::Rect GetOnScreenBoundsForFloatingMenuPosition(
const gfx::Size& menu_bounds,
FloatingMenuPosition position) {
// Calculates the ideal bounds.
aura::Window* window = Shell::GetPrimaryRootWindow();
gfx::Rect work_area =
WorkAreaInsets::ForWindow(window)->user_work_area_bounds();
switch (position) {
case FloatingMenuPosition::kBottomRight:
return gfx::Rect(work_area.right() - menu_bounds.width(),
work_area.bottom() - menu_bounds.height(),
menu_bounds.width(), menu_bounds.height());
case FloatingMenuPosition::kBottomLeft:
return gfx::Rect(work_area.x(), work_area.bottom() - menu_bounds.height(),
menu_bounds.width(), menu_bounds.height());
case FloatingMenuPosition::kTopLeft:
// Because there is no inset at the top of the widget, add
// 2 * kCollisionWindowWorkAreaInsetsDp to the top of the work area.
// to ensure correct padding.
return gfx::Rect(work_area.x(),
work_area.y() + 2 * kCollisionWindowWorkAreaInsetsDp,
menu_bounds.width(), menu_bounds.height());
case FloatingMenuPosition::kTopRight:
// Because there is no inset at the top of the widget, add
// 2 * kCollisionWindowWorkAreaInsetsDp to the top of the work area.
// to ensure correct padding.
return gfx::Rect(work_area.right() - menu_bounds.width(),
work_area.y() + 2 * kCollisionWindowWorkAreaInsetsDp,
menu_bounds.width(), menu_bounds.height());
case FloatingMenuPosition::kSystemDefault:
NOTREACHED();
}
}
views::BubbleBorder::Arrow GetAnchorAlignmentForFloatingMenuPosition(
FloatingMenuPosition position) {
// If this is the default system position, pick the position based on the
// language direction.
if (position == FloatingMenuPosition::kSystemDefault) {
position = DefaultSystemFloatingMenuPosition();
}
// Mirror arrow in RTL languages so that it always stays near the screen
// edge.
switch (position) {
case FloatingMenuPosition::kBottomLeft:
return base::i18n::IsRTL() ? views::BubbleBorder::Arrow::TOP_RIGHT
: views::BubbleBorder::Arrow::TOP_LEFT;
case FloatingMenuPosition::kTopLeft:
return base::i18n::IsRTL() ? views::BubbleBorder::Arrow::BOTTOM_RIGHT
: views::BubbleBorder::Arrow::BOTTOM_LEFT;
case FloatingMenuPosition::kBottomRight:
return base::i18n::IsRTL() ? views::BubbleBorder::Arrow::TOP_LEFT
: views::BubbleBorder::Arrow::TOP_RIGHT;
case FloatingMenuPosition::kTopRight:
return base::i18n::IsRTL() ? views::BubbleBorder::Arrow::BOTTOM_LEFT
: views::BubbleBorder::Arrow::BOTTOM_RIGHT;
case FloatingMenuPosition::kSystemDefault:
// It's not possible for position to be kSystemDefault here because we've
// set it via DefaultSystemPosition() above if it was kSystemDefault.
NOTREACHED();
}
}
} // namespace ash
|
