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
|
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_BASE_UI_BASE_TYPES_H_
#define UI_BASE_UI_BASE_TYPES_H_
#include <cstdint>
namespace ui {
// Specifies which edges of the window are tiled.
//
// Wayland can notify the application if certain edge of the window is
// "tiled": https://wayland.app/protocols/xdg-shell#xdg_toplevel:enum:state.
// Chromium should not draw frame decorations for the tiled edges.
struct WindowTiledEdges {
bool left{false};
bool right{false};
bool top{false};
bool bottom{false};
friend bool operator==(const WindowTiledEdges&,
const WindowTiledEdges&) = default;
};
// MdTextButtons have various button styles that can change the button's
// relative prominence/priority. The relative priority (least to greatest) is
// as follows:
// kText -> kDefault -> kTonal -> kProminent
// The default styles are described as below.
// kDefault: White background with blue text and a solid outline.
// kProminent: Blue background with white text.
// kTonal: Cyan background with black text.
// kText: White background with blue text but no outline.
enum class ButtonStyle {
kText,
kDefault,
kTonal,
kProminent,
};
// The class of window and its overall z-order. Only the Mac provides this
// level of z-order granularity. For other platforms, which only provide a
// distinction between "normal" and "always on top" windows, any of the values
// here that aren't `kNormal` are treated equally as "always on top".
// TODO(crbug.com/40237029): For non-desktop widgets on Linux and Windows,
// this z-order currently does not have any effect.
enum class ZOrderLevel {
// The default level for windows.
kNormal = 0,
// A "floating" window z-ordered above other normal windows.
//
// Note this is the traditional _desktop_ concept of a "floating window".
// Android has a concept of "freeform window mode" in which apps are presented
// in separate "floating" windows that can be moved and resized by the user.
// That's not what this is.
kFloatingWindow,
// UI elements are used to annotate positions on the screen, and thus must
// appear above floating windows.
kFloatingUIElement,
// There have been horrific security decisions that have been made on the web
// platform that are now expected behavior and cannot easily be changed. The
// only way to mitigate problems with these decisions is to inform the user by
// presenting them with a message that they are in a state that they might not
// expect, and this message must be presented in a UI that cannot be
// interfered with or covered up. Thus this level for Security UI that must be
// Z-ordered in front of everything else. Note that this is useful in
// situations where window modality (as in ModalType) cannot or should not be
// used.
kSecuritySurface,
};
// Where an owned anchored window should be anchored to. Used by such backends
// as Wayland, which doesn't provide clients with on screen coordinates, but
// rather forces them to position children windows relative to toplevel windows.
// They use anchor bounds, anchor position, gravity and constraints to
// reposition such windows if the originally intended position caused the
// surface to be constrained.
enum class OwnedWindowAnchorPosition {
kNone,
kTop,
kBottom,
kLeft,
kRight,
kTopLeft,
kBottomLeft,
kTopRight,
kBottomRight,
};
// What direction an owned window should be positioned relatively to its anchor.
enum class OwnedWindowAnchorGravity {
kNone,
kTop,
kBottom,
kLeft,
kRight,
kTopLeft,
kBottomLeft,
kTopRight,
kBottomRight,
};
// How an owned window can be resized/repositioned by a system compositor.
enum class OwnedWindowConstraintAdjustment : uint32_t {
kAdjustmentNone = 0,
kAdjustmentSlideX = 1 << 0,
kAdjustmentSlideY = 1 << 1,
kAdjustmentFlipX = 1 << 2,
kAdjustmentFlipY = 1 << 3,
kAdjustmentResizeX = 1 << 4,
kAdjustmentRezizeY = 1 << 5,
};
} // namespace ui
#endif // UI_BASE_UI_BASE_TYPES_H_
|
