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 9namespace ash { 10 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 22DefaultAccessibilityDelegate::~DefaultAccessibilityDelegate() {} 23 24bool DefaultAccessibilityDelegate::IsSpokenFeedbackEnabled() const { 25 return spoken_feedback_enabled_; 26} 27 28void DefaultAccessibilityDelegate::ToggleHighContrast() { 29 high_contrast_enabled_ = !high_contrast_enabled_; 30} 31 32bool DefaultAccessibilityDelegate::IsHighContrastEnabled() const { 33 return high_contrast_enabled_; 34} 35 36void DefaultAccessibilityDelegate::SetMagnifierEnabled(bool enabled) { 37 screen_magnifier_enabled_ = enabled; 38} 39 40void DefaultAccessibilityDelegate::SetMagnifierType(MagnifierType type) { 41 screen_magnifier_type_ = type; 42} 43 44bool DefaultAccessibilityDelegate::IsMagnifierEnabled() const { 45 return screen_magnifier_enabled_; 46} 47 48MagnifierType DefaultAccessibilityDelegate::GetMagnifierType() const { 49 return screen_magnifier_type_; 50} 51 52void DefaultAccessibilityDelegate::SetLargeCursorEnabled(bool enabled) { 53 large_cursor_enabled_ = enabled; 54} 55 56bool DefaultAccessibilityDelegate::IsLargeCursorEnabled() const { 57 return large_cursor_enabled_; 58} 59 60void DefaultAccessibilityDelegate::SetAutoclickEnabled(bool enabled) { 61 autoclick_enabled_ = enabled; 62} 63 64bool DefaultAccessibilityDelegate::IsAutoclickEnabled() const { 65 return autoclick_enabled_; 66} 67 68void DefaultAccessibilityDelegate::SetVirtualKeyboardEnabled(bool enabled) { 69 virtual_keyboard_enabled_ = enabled; 70} 71 72bool DefaultAccessibilityDelegate::IsVirtualKeyboardEnabled() const { 73 return virtual_keyboard_enabled_; 74} 75 76bool 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 85bool DefaultAccessibilityDelegate::IsBrailleDisplayConnected() const { 86 return false; 87} 88 89void DefaultAccessibilityDelegate::SilenceSpokenFeedback() const { 90} 91 92void DefaultAccessibilityDelegate::ToggleSpokenFeedback( 93 AccessibilityNotificationVisibility notify) { 94 spoken_feedback_enabled_ = !spoken_feedback_enabled_; 95} 96 97void DefaultAccessibilityDelegate::SaveScreenMagnifierScale(double scale) { 98} 99 100double DefaultAccessibilityDelegate::GetSavedScreenMagnifierScale() { 101 return std::numeric_limits<double>::min(); 102} 103 104void DefaultAccessibilityDelegate::TriggerAccessibilityAlert( 105 AccessibilityAlert alert) { 106 accessibility_alert_ = alert; 107} 108 109AccessibilityAlert DefaultAccessibilityDelegate::GetLastAccessibilityAlert() { 110 return accessibility_alert_; 111} 112 113void DefaultAccessibilityDelegate::PlayEarcon(int sound_key) { 114} 115 116base::TimeDelta DefaultAccessibilityDelegate::PlayShutdownSound() const { 117 return base::TimeDelta(); 118} 119 120} // namespace ash 121