forked from chromium/chromium
-
Notifications
You must be signed in to change notification settings - Fork 0
/
app_list_util.cc
147 lines (117 loc) · 4.97 KB
/
app_list_util.cc
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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
// Copyright (c) 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/app_list/app_list_util.h"
#include "ash/app_list/model/app_list_folder_item.h"
#include "ash/app_list/model/app_list_item.h"
#include "ash/constants/ash_constants.h"
#include "ash/public/cpp/app_list/app_list_color_provider.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/vector2d.h"
#include "ui/gfx/image/image_skia_operations.h"
#include "ui/gfx/skia_util.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/focus/focus_manager.h"
namespace ash {
bool IsUnhandledUnmodifiedEvent(const ui::KeyEvent& event) {
if (event.handled() || event.type() != ui::ET_KEY_PRESSED)
return false;
if (event.IsShiftDown() || event.IsControlDown() || event.IsAltDown())
return false;
return true;
}
bool IsUnhandledLeftRightKeyEvent(const ui::KeyEvent& event) {
if (!IsUnhandledUnmodifiedEvent(event))
return false;
return event.key_code() == ui::VKEY_LEFT ||
event.key_code() == ui::VKEY_RIGHT;
}
bool IsUnhandledUpDownKeyEvent(const ui::KeyEvent& event) {
if (!IsUnhandledUnmodifiedEvent(event))
return false;
return event.key_code() == ui::VKEY_UP || event.key_code() == ui::VKEY_DOWN;
}
bool IsUnhandledArrowKeyEvent(const ui::KeyEvent& event) {
if (!IsUnhandledUnmodifiedEvent(event))
return false;
return IsArrowKeyEvent(event);
}
bool IsArrowKeyEvent(const ui::KeyEvent& event) {
return IsArrowKey(event.key_code());
}
bool IsArrowKey(const ui::KeyboardCode& key_code) {
return key_code == ui::VKEY_DOWN || key_code == ui::VKEY_RIGHT ||
key_code == ui::VKEY_LEFT || key_code == ui::VKEY_UP;
}
bool IsFolderItem(AppListItem* item) {
return item->GetItemType() == AppListFolderItem::kItemType;
}
bool LeftRightKeyEventShouldExitText(views::Textfield* textfield,
const ui::KeyEvent& key_event) {
DCHECK(IsUnhandledLeftRightKeyEvent(key_event));
if (textfield->GetText().empty())
return true;
if (textfield->HasSelection())
return false;
if (textfield->GetCursorPosition() != 0 &&
textfield->GetCursorPosition() != textfield->GetText().length()) {
return false;
}
// For RTL language, the beginning position of the cursor will be at the right
// side and it grows towards left as we are typing.
const bool text_rtl =
textfield->GetTextDirection() == base::i18n::RIGHT_TO_LEFT;
const bool cursor_at_beginning = textfield->GetCursorPosition() == 0;
const bool move_cursor_reverse =
(text_rtl && key_event.key_code() == ui::VKEY_RIGHT) ||
(!text_rtl && key_event.key_code() == ui::VKEY_LEFT);
if ((cursor_at_beginning && !move_cursor_reverse) ||
(!cursor_at_beginning && move_cursor_reverse)) {
// Cursor is at either the beginning or the end of the textfield, and it
// will move inward.
return false;
}
return true;
}
bool ProcessLeftRightKeyTraversalForTextfield(views::Textfield* textfield,
const ui::KeyEvent& key_event) {
DCHECK(IsUnhandledLeftRightKeyEvent(key_event));
if (!LeftRightKeyEventShouldExitText(textfield, key_event))
return false;
const bool move_focus_reverse = base::i18n::IsRTL()
? key_event.key_code() == ui::VKEY_RIGHT
: key_event.key_code() == ui::VKEY_LEFT;
// Move focus outside the textfield.
textfield->GetFocusManager()->AdvanceFocus(move_focus_reverse);
return true;
}
gfx::ImageSkia CreateIconWithCircleBackground(const gfx::ImageSkia& icon,
SkColor background_color) {
DCHECK_EQ(icon.width(), icon.height());
// TODO(crbug.com/1185943): We should not be passing in hardcoded
// `background_color`s here. Callers should be updated to use the appropriate
// color from the NativeTheme or AshColorProvider.
return gfx::ImageSkiaOperations::CreateImageWithCircleBackground(
icon.width() / 2, background_color, icon);
}
void PaintFocusBar(gfx::Canvas* canvas,
const gfx::Point content_origin,
const int height) {
SkPath path;
gfx::Rect focus_bar_bounds(content_origin.x() - kFocusBarThickness,
content_origin.y(), kFocusBarThickness * 2,
height);
path.addRRect(SkRRect::MakeRectXY(RectToSkRect(focus_bar_bounds),
kFocusBarThickness, kFocusBarThickness));
canvas->ClipPath(path, true);
cc::PaintFlags flags;
flags.setAntiAlias(true);
flags.setColor(AppListColorProvider::Get()->GetFocusRingColor());
flags.setStyle(cc::PaintFlags::kStroke_Style);
flags.setStrokeWidth(kFocusBarThickness);
gfx::Point top_point = content_origin;
gfx::Point bottom_point = content_origin + gfx::Vector2d(0, height);
canvas->DrawLine(top_point, bottom_point, flags);
}
} // namespace ash