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 #ifndef ASH_DEFAULT_ACCESSIBILITY_DELEGATE_H_ 6 #define ASH_DEFAULT_ACCESSIBILITY_DELEGATE_H_ 7 8 #include "ash/accessibility_delegate.h" 9 #include "ash/ash_export.h" 10 #include "base/basictypes.h" 11 #include "base/compiler_specific.h" 12 13 namespace ash { 14 namespace internal { 15 16 class ASH_EXPORT DefaultAccessibilityDelegate : public AccessibilityDelegate { 17 public: 18 DefaultAccessibilityDelegate(); 19 virtual ~DefaultAccessibilityDelegate(); 20 21 virtual bool IsSpokenFeedbackEnabled() const OVERRIDE; 22 virtual void ToggleHighContrast() OVERRIDE; 23 virtual bool IsHighContrastEnabled() const OVERRIDE; 24 virtual void SetMagnifierEnabled(bool enabled) OVERRIDE; 25 virtual void SetMagnifierType(MagnifierType type) OVERRIDE; 26 virtual bool IsMagnifierEnabled() const OVERRIDE; 27 virtual MagnifierType GetMagnifierType() const OVERRIDE; 28 virtual void SetLargeCursorEnabled(bool enabled) OVERRIDE; 29 virtual bool IsLargeCursorEnabled() const OVERRIDE; 30 virtual void SetAutoclickEnabled(bool enabled) OVERRIDE; 31 virtual bool IsAutoclickEnabled() const OVERRIDE; 32 virtual bool ShouldShowAccessibilityMenu() const OVERRIDE; 33 virtual void SilenceSpokenFeedback() const OVERRIDE; 34 virtual void ToggleSpokenFeedback( 35 AccessibilityNotificationVisibility notify) OVERRIDE; 36 virtual void SaveScreenMagnifierScale(double scale) OVERRIDE; 37 virtual double GetSavedScreenMagnifierScale() OVERRIDE; 38 virtual void TriggerAccessibilityAlert(AccessibilityAlert alert) OVERRIDE; 39 virtual AccessibilityAlert GetLastAccessibilityAlert() OVERRIDE; 40 virtual base::TimeDelta PlayShutdownSound() const OVERRIDE; 41 42 private: 43 bool spoken_feedback_enabled_; 44 bool high_contrast_enabled_; 45 bool screen_magnifier_enabled_; 46 MagnifierType screen_magnifier_type_; 47 bool large_cursor_enabled_; 48 bool autoclick_enabled_; 49 AccessibilityAlert accessibility_alert_; 50 DISALLOW_COPY_AND_ASSIGN(DefaultAccessibilityDelegate); 51 }; 52 53 } // namespace internal 54 } // namespace ash 55 56 #endif // DEFAULT_ACCESSIBILITY_DELEGATE_H_ 57