Don't preload rarely seen large images
[chromium-blink-merge.git] / ash / default_accessibility_delegate.h
blob5680fc01e16a036482eabf803634d2d6e789bae6
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.
5 #ifndef ASH_DEFAULT_ACCESSIBILITY_DELEGATE_H_
6 #define ASH_DEFAULT_ACCESSIBILITY_DELEGATE_H_
8 #include "ash/accessibility_delegate.h"
9 #include "ash/ash_export.h"
10 #include "base/basictypes.h"
11 #include "base/compiler_specific.h"
13 namespace ash {
15 class ASH_EXPORT DefaultAccessibilityDelegate : public AccessibilityDelegate {
16 public:
17 DefaultAccessibilityDelegate();
18 ~DefaultAccessibilityDelegate() override;
20 bool IsSpokenFeedbackEnabled() const override;
21 void ToggleHighContrast() override;
22 bool IsHighContrastEnabled() const override;
23 void SetMagnifierEnabled(bool enabled) override;
24 void SetMagnifierType(ui::MagnifierType type) override;
25 bool IsMagnifierEnabled() const override;
26 ui::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 ui::AccessibilityNotificationVisibility notify) override;
38 void SaveScreenMagnifierScale(double scale) override;
39 double GetSavedScreenMagnifierScale() override;
40 void TriggerAccessibilityAlert(ui::AccessibilityAlert alert) override;
41 ui::AccessibilityAlert GetLastAccessibilityAlert() override;
42 void PlayEarcon(int sound_key) override;
43 base::TimeDelta PlayShutdownSound() const override;
45 private:
46 bool spoken_feedback_enabled_;
47 bool high_contrast_enabled_;
48 bool screen_magnifier_enabled_;
49 ui::MagnifierType screen_magnifier_type_;
50 bool large_cursor_enabled_;
51 bool autoclick_enabled_;
52 bool virtual_keyboard_enabled_;
53 ui::AccessibilityAlert accessibility_alert_;
54 DISALLOW_COPY_AND_ASSIGN(DefaultAccessibilityDelegate);
57 } // namespace ash
59 #endif // DEFAULT_ACCESSIBILITY_DELEGATE_H_