root/ash/default_accessibility_delegate.cc

DEFINITIONS

1. accessibility_alert_
2. IsSpokenFeedbackEnabled
3. ToggleHighContrast
4. IsHighContrastEnabled
5. SetMagnifierEnabled
6. SetMagnifierType
7. IsMagnifierEnabled
8. GetMagnifierType
9. SetLargeCursorEnabled
10. IsLargeCursorEnabled
11. SetAutoclickEnabled
12. IsAutoclickEnabled
13. SetVirtualKeyboardEnabled
14. IsVirtualKeyboardEnabled
15. ShouldShowAccessibilityMenu
16. IsBrailleDisplayConnected
17. SilenceSpokenFeedback
18. ToggleSpokenFeedback
19. SaveScreenMagnifierScale
20. GetSavedScreenMagnifierScale
21. TriggerAccessibilityAlert
22. GetLastAccessibilityAlert
23. PlayShutdownSound

// 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 {

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),
      virtual_keyboard_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_;
}

void DefaultAccessibilityDelegate::SetVirtualKeyboardEnabled(bool enabled) {
  virtual_keyboard_enabled_ = enabled;
}

bool DefaultAccessibilityDelegate::IsVirtualKeyboardEnabled() const {
  return virtual_keyboard_enabled_;
}

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

bool DefaultAccessibilityDelegate::IsBrailleDisplayConnected() const {
  return false;
}

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 ash