1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "ash/default_accessibility_delegate.h" 6 7 #include <limits> 8 9 namespace ash { 10 DefaultAccessibilityDelegate()11DefaultAccessibilityDelegate::DefaultAccessibilityDelegate() 12 : spoken_feedback_enabled_(false), 13 high_contrast_enabled_(false), 14 screen_magnifier_enabled_(false), 15 screen_magnifier_type_(kDefaultMagnifierType), 16 large_cursor_enabled_(false), 17 autoclick_enabled_(false), 18 virtual_keyboard_enabled_(false), 19 accessibility_alert_(A11Y_ALERT_NONE) { 20 } 21 ~DefaultAccessibilityDelegate()22DefaultAccessibilityDelegate::~DefaultAccessibilityDelegate() {} 23 IsSpokenFeedbackEnabled() const24bool DefaultAccessibilityDelegate::IsSpokenFeedbackEnabled() const { 25 return spoken_feedback_enabled_; 26 } 27 ToggleHighContrast()28void DefaultAccessibilityDelegate::ToggleHighContrast() { 29 high_contrast_enabled_ = !high_contrast_enabled_; 30 } 31 IsHighContrastEnabled() const32bool DefaultAccessibilityDelegate::IsHighContrastEnabled() const { 33 return high_contrast_enabled_; 34 } 35 SetMagnifierEnabled(bool enabled)36void DefaultAccessibilityDelegate::SetMagnifierEnabled(bool enabled) { 37 screen_magnifier_enabled_ = enabled; 38 } 39 SetMagnifierType(MagnifierType type)40void DefaultAccessibilityDelegate::SetMagnifierType(MagnifierType type) { 41 screen_magnifier_type_ = type; 42 } 43 IsMagnifierEnabled() const44bool DefaultAccessibilityDelegate::IsMagnifierEnabled() const { 45 return screen_magnifier_enabled_; 46 } 47 GetMagnifierType() const48MagnifierType DefaultAccessibilityDelegate::GetMagnifierType() const { 49 return screen_magnifier_type_; 50 } 51 SetLargeCursorEnabled(bool enabled)52void DefaultAccessibilityDelegate::SetLargeCursorEnabled(bool enabled) { 53 large_cursor_enabled_ = enabled; 54 } 55 IsLargeCursorEnabled() const56bool DefaultAccessibilityDelegate::IsLargeCursorEnabled() const { 57 return large_cursor_enabled_; 58 } 59 SetAutoclickEnabled(bool enabled)60void DefaultAccessibilityDelegate::SetAutoclickEnabled(bool enabled) { 61 autoclick_enabled_ = enabled; 62 } 63 IsAutoclickEnabled() const64bool DefaultAccessibilityDelegate::IsAutoclickEnabled() const { 65 return autoclick_enabled_; 66 } 67 SetVirtualKeyboardEnabled(bool enabled)68void DefaultAccessibilityDelegate::SetVirtualKeyboardEnabled(bool enabled) { 69 virtual_keyboard_enabled_ = enabled; 70 } 71 IsVirtualKeyboardEnabled() const72bool DefaultAccessibilityDelegate::IsVirtualKeyboardEnabled() const { 73 return virtual_keyboard_enabled_; 74 } 75 ShouldShowAccessibilityMenu() const76bool DefaultAccessibilityDelegate::ShouldShowAccessibilityMenu() const { 77 return spoken_feedback_enabled_ || 78 high_contrast_enabled_ || 79 screen_magnifier_enabled_ || 80 large_cursor_enabled_ || 81 autoclick_enabled_ || 82 virtual_keyboard_enabled_; 83 } 84 IsBrailleDisplayConnected() const85bool DefaultAccessibilityDelegate::IsBrailleDisplayConnected() const { 86 return false; 87 } 88 SilenceSpokenFeedback() const89void DefaultAccessibilityDelegate::SilenceSpokenFeedback() const { 90 } 91 ToggleSpokenFeedback(AccessibilityNotificationVisibility notify)92void DefaultAccessibilityDelegate::ToggleSpokenFeedback( 93 AccessibilityNotificationVisibility notify) { 94 spoken_feedback_enabled_ = !spoken_feedback_enabled_; 95 } 96 SaveScreenMagnifierScale(double scale)97void DefaultAccessibilityDelegate::SaveScreenMagnifierScale(double scale) { 98 } 99 GetSavedScreenMagnifierScale()100double DefaultAccessibilityDelegate::GetSavedScreenMagnifierScale() { 101 return std::numeric_limits<double>::min(); 102 } 103 TriggerAccessibilityAlert(AccessibilityAlert alert)104void DefaultAccessibilityDelegate::TriggerAccessibilityAlert( 105 AccessibilityAlert alert) { 106 accessibility_alert_ = alert; 107 } 108 GetLastAccessibilityAlert()109AccessibilityAlert DefaultAccessibilityDelegate::GetLastAccessibilityAlert() { 110 return accessibility_alert_; 111 } 112 PlayEarcon(int sound_key)113void DefaultAccessibilityDelegate::PlayEarcon(int sound_key) { 114 } 115 PlayShutdownSound() const116base::TimeDelta DefaultAccessibilityDelegate::PlayShutdownSound() const { 117 return base::TimeDelta(); 118 } 119 120 } // namespace ash 121