ash/default_accessibility_delegate.h

   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
  15 class ASH_EXPORT DefaultAccessibilityDelegate : public AccessibilityDelegate {
  16  public:
  17   DefaultAccessibilityDelegate();
  18   ~DefaultAccessibilityDelegate() override;
  19
  20   bool IsSpokenFeedbackEnabled() const override;
  21   void ToggleHighContrast() override;
  22   bool IsHighContrastEnabled() const override;
  23   void SetMagnifierEnabled(bool enabled) override;
  24   void SetMagnifierType(MagnifierType type) override;
  25   bool IsMagnifierEnabled() const override;
  26   MagnifierType GetMagnifierType() const override;
  27   void SetLargeCursorEnabled(bool enabled) override;
  28   bool IsLargeCursorEnabled() const override;
  29   void SetAutoclickEnabled(bool enabled) override;
  30   bool IsAutoclickEnabled() const override;
  31   void SetVirtualKeyboardEnabled(bool enabled) override;
  32   bool IsVirtualKeyboardEnabled() const override;
  33   bool ShouldShowAccessibilityMenu() const override;
  34   bool IsBrailleDisplayConnected() const override;
  35   void SilenceSpokenFeedback() const override;
  36   void ToggleSpokenFeedback(
  37       AccessibilityNotificationVisibility notify) override;
  38   void SaveScreenMagnifierScale(double scale) override;
  39   double GetSavedScreenMagnifierScale() override;
  40   void TriggerAccessibilityAlert(AccessibilityAlert alert) override;
  41   AccessibilityAlert GetLastAccessibilityAlert() override;
  42   void PlayEarcon(int sound_key) override;
  43   base::TimeDelta PlayShutdownSound() const override;
  44
  45  private:
  46   bool spoken_feedback_enabled_;
  47   bool high_contrast_enabled_;
  48   bool screen_magnifier_enabled_;
  49   MagnifierType screen_magnifier_type_;
  50   bool large_cursor_enabled_;
  51   bool autoclick_enabled_;
  52   bool virtual_keyboard_enabled_;
  53   AccessibilityAlert accessibility_alert_;
  54   DISALLOW_COPY_AND_ASSIGN(DefaultAccessibilityDelegate);
  55 };
  56
  57 }  // namespace ash
  58
  59 #endif  // DEFAULT_ACCESSIBILITY_DELEGATE_H_