chromium/ash/default_accessibility_delegate.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

// Copyright 2013 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/default_accessibility_delegate.h"

#include <limits>

namespace ash {
namespace internal {

DefaultAccessibilityDelegate::DefaultAccessibilityDelegate()
    : spoken_feedback_enabled_(false),
      high_contrast_enabled_(false),
      screen_magnifier_enabled_(false),
      screen_magnifier_type_(kDefaultMagnifierType),
      large_cursor_enabled_(false),
      autoclick_enabled_(false),
      accessibility_alert_(A11Y_ALERT_NONE) {
}

DefaultAccessibilityDelegate::~DefaultAccessibilityDelegate() {}

bool DefaultAccessibilityDelegate::IsSpokenFeedbackEnabled() const {
  return spoken_feedback_enabled_;
}

void DefaultAccessibilityDelegate::ToggleHighContrast() {
  high_contrast_enabled_ = !high_contrast_enabled_;
}

bool DefaultAccessibilityDelegate::IsHighContrastEnabled() const {
  return high_contrast_enabled_;
}

void DefaultAccessibilityDelegate::SetMagnifierEnabled(bool enabled) {
  screen_magnifier_enabled_ = enabled;
}

void DefaultAccessibilityDelegate::SetMagnifierType(MagnifierType type) {
  screen_magnifier_type_ = type;
}

bool DefaultAccessibilityDelegate::IsMagnifierEnabled() const {
  return screen_magnifier_enabled_;
}

MagnifierType DefaultAccessibilityDelegate::GetMagnifierType() const {
  return screen_magnifier_type_;
}

void DefaultAccessibilityDelegate::SetLargeCursorEnabled(bool enabled) {
  large_cursor_enabled_ = enabled;
}

bool DefaultAccessibilityDelegate::IsLargeCursorEnabled() const {
  return large_cursor_enabled_;
}

void DefaultAccessibilityDelegate::SetAutoclickEnabled(bool enabled) {
  autoclick_enabled_ = enabled;
}

bool DefaultAccessibilityDelegate::IsAutoclickEnabled() const {
  return autoclick_enabled_;
}

bool DefaultAccessibilityDelegate::ShouldShowAccessibilityMenu() const {
  return spoken_feedback_enabled_ ||
         high_contrast_enabled_ ||
         screen_magnifier_enabled_ ||
         large_cursor_enabled_ ||
         autoclick_enabled_;
}

void DefaultAccessibilityDelegate::SilenceSpokenFeedback() const {
}

void DefaultAccessibilityDelegate::ToggleSpokenFeedback(
    AccessibilityNotificationVisibility notify) {
  spoken_feedback_enabled_ = !spoken_feedback_enabled_;
}

void DefaultAccessibilityDelegate::SaveScreenMagnifierScale(double scale) {
}

double DefaultAccessibilityDelegate::GetSavedScreenMagnifierScale() {
  return std::numeric_limits<double>::min();
}

void DefaultAccessibilityDelegate::TriggerAccessibilityAlert(
    AccessibilityAlert alert) {
  accessibility_alert_ = alert;
}

AccessibilityAlert DefaultAccessibilityDelegate::GetLastAccessibilityAlert() {
  return accessibility_alert_;
}

base::TimeDelta DefaultAccessibilityDelegate::PlayShutdownSound() const {
  return base::TimeDelta();
}

}  // namespace internal
}  // namespace ash