File: display_util.h

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (64 lines) | stat: -rw-r--r-- 2,193 bytes parent folder | download | duplicates (6)
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
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROMEOS_UI_BASE_DISPLAY_UTIL_H_
#define CHROMEOS_UI_BASE_DISPLAY_UTIL_H_

#include "ui/display/display_util.h"

namespace chromeos {

enum class OrientationType {
  kAny,
  kNatural,
  kCurrent,
  kPortrait,
  kLandscape,
  kPortraitPrimary,
  kPortraitSecondary,
  kLandscapePrimary,
  kLandscapeSecondary,
};

// Returns the orientation of a |display| at a rotation of 0.
COMPONENT_EXPORT(CHROMEOS_UI_BASE)
OrientationType GetDisplayNaturalOrientation(const display::Display& display);

// Returns orientation type when rotating a display with |natural|
// orientation with |rotation|.
COMPONENT_EXPORT(CHROMEOS_UI_BASE)
OrientationType RotationToOrientation(OrientationType natural,
                                      display::Display::Rotation rotation);

// Returns the rotation that matches the orientation type.
// Returns ROTATE_0 if the given orientation is ANY, which is used
// to indicate that user didn't lock orientation.
COMPONENT_EXPORT(CHROMEOS_UI_BASE)
display::Display::Rotation OrientationToRotation(OrientationType natural,
                                                 OrientationType orientation);

// Test if the orientation type is primary/landscape/portrait.
COMPONENT_EXPORT(CHROMEOS_UI_BASE)
bool IsPrimaryOrientation(OrientationType type);
COMPONENT_EXPORT(CHROMEOS_UI_BASE)
bool IsLandscapeOrientation(OrientationType type);
COMPONENT_EXPORT(CHROMEOS_UI_BASE)
bool IsPortraitOrientation(OrientationType type);

// Returns the current orientation of `display`.
COMPONENT_EXPORT(CHROMEOS_UI_BASE)
OrientationType GetDisplayCurrentOrientation(const display::Display& display);

// Returns true if the current layout of |display| is primary.
COMPONENT_EXPORT(CHROMEOS_UI_BASE)
bool IsDisplayLayoutPrimary(const display::Display& display);

// Given a list of displays, selects one DSF to represent them all.
COMPONENT_EXPORT(CHROMEOS_UI_BASE)
float GetRepresentativeDeviceScaleFactor(
    const std::vector<display::Display>& displays);

}  // namespace chromeos

#endif  // CHROMEOS_UI_BASE_DISPLAY_UTIL_H_