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Side by Side Diff: ash/accessibility_delegate.h

Issue 682943002: Make chrome/browser/chromeos/accessibility compile on Athena with use_ash=0 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@athena_do_not_use_ash41_scroll_end_effect
Patch Set: Created 6 years, 1 month ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef ASH_ACCESSIBILITY_DELEGATE_H_ 5 #ifndef ASH_ACCESSIBILITY_DELEGATE_H_
6 #define ASH_ACCESSIBILITY_DELEGATE_H_ 6 #define ASH_ACCESSIBILITY_DELEGATE_H_
7 7
8 #include "ash/ash_export.h" 8 #include "ash/ash_export.h"
9 #include "ash/magnifier/magnifier_constants.h"
10 #include "base/time/time.h" 9 #include "base/time/time.h"
10 #include "ui/chromeos/accessibility_types.h"
11 11
12 namespace ash { 12 namespace ash {
13 13
14 enum AccessibilityNotificationVisibility {
15 A11Y_NOTIFICATION_NONE,
16 A11Y_NOTIFICATION_SHOW,
17 };
18
19 enum AccessibilityAlert {
20 A11Y_ALERT_NONE,
21 A11Y_ALERT_WINDOW_NEEDED,
22 A11Y_ALERT_WINDOW_OVERVIEW_MODE_ENTERED
23 };
24
25 // A delegate class to control and query accessibility features. 14 // A delegate class to control and query accessibility features.
26 class ASH_EXPORT AccessibilityDelegate { 15 class ASH_EXPORT AccessibilityDelegate {
27 public: 16 public:
28 virtual ~AccessibilityDelegate() {} 17 virtual ~AccessibilityDelegate() {}
29 18
30 // Invoked to toggle spoken feedback for accessibility 19 // Invoked to toggle spoken feedback for accessibility
31 virtual void ToggleSpokenFeedback( 20 virtual void ToggleSpokenFeedback(
32 AccessibilityNotificationVisibility notify) = 0; 21 ui::AccessibilityNotificationVisibility notify) = 0;
33 22
34 // Returns true if spoken feedback is enabled. 23 // Returns true if spoken feedback is enabled.
35 virtual bool IsSpokenFeedbackEnabled() const = 0; 24 virtual bool IsSpokenFeedbackEnabled() const = 0;
36 25
37 // Invoked to toggle high contrast mode for accessibility. 26 // Invoked to toggle high contrast mode for accessibility.
38 virtual void ToggleHighContrast() = 0; 27 virtual void ToggleHighContrast() = 0;
39 28
40 // Returns true if high contrast mode is enabled. 29 // Returns true if high contrast mode is enabled.
41 virtual bool IsHighContrastEnabled() const = 0; 30 virtual bool IsHighContrastEnabled() const = 0;
42 31
43 // Invoked to enable the screen magnifier. 32 // Invoked to enable the screen magnifier.
44 virtual void SetMagnifierEnabled(bool enabled) = 0; 33 virtual void SetMagnifierEnabled(bool enabled) = 0;
45 34
46 // Invoked to change the type of the screen magnifier. 35 // Invoked to change the type of the screen magnifier.
47 virtual void SetMagnifierType(MagnifierType type) = 0; 36 virtual void SetMagnifierType(ui::MagnifierType type) = 0;
48 37
49 // Returns true if the screen magnifier is enabled. 38 // Returns true if the screen magnifier is enabled.
50 virtual bool IsMagnifierEnabled() const = 0; 39 virtual bool IsMagnifierEnabled() const = 0;
51 40
52 // Returns the current screen magnifier mode. 41 // Returns the current screen magnifier mode.
53 virtual MagnifierType GetMagnifierType() const = 0; 42 virtual ui::MagnifierType GetMagnifierType() const = 0;
54 43
55 // Invoked to enable Large Cursor. 44 // Invoked to enable Large Cursor.
56 virtual void SetLargeCursorEnabled(bool enabled) = 0; 45 virtual void SetLargeCursorEnabled(bool enabled) = 0;
57 46
58 // Returns ture if Large Cursor is enabled. 47 // Returns ture if Large Cursor is enabled.
59 virtual bool IsLargeCursorEnabled() const = 0; 48 virtual bool IsLargeCursorEnabled() const = 0;
60 49
61 // Invoked to enable autoclick. 50 // Invoked to enable autoclick.
62 virtual void SetAutoclickEnabled(bool enabled) = 0; 51 virtual void SetAutoclickEnabled(bool enabled) = 0;
63 52
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80 virtual void SilenceSpokenFeedback() const = 0; 69 virtual void SilenceSpokenFeedback() const = 0;
81 70
82 // Saves the zoom scale of the full screen magnifier. 71 // Saves the zoom scale of the full screen magnifier.
83 virtual void SaveScreenMagnifierScale(double scale) = 0; 72 virtual void SaveScreenMagnifierScale(double scale) = 0;
84 73
85 // Gets a saved value of the zoom scale of full screen magnifier. If a value 74 // Gets a saved value of the zoom scale of full screen magnifier. If a value
86 // is not saved, return a negative value. 75 // is not saved, return a negative value.
87 virtual double GetSavedScreenMagnifierScale() = 0; 76 virtual double GetSavedScreenMagnifierScale() = 0;
88 77
89 // Triggers an accessibility alert to give the user feedback. 78 // Triggers an accessibility alert to give the user feedback.
90 virtual void TriggerAccessibilityAlert(AccessibilityAlert alert) = 0; 79 virtual void TriggerAccessibilityAlert(ui::AccessibilityAlert alert) = 0;
91 80
92 // Gets the last accessibility alert that was triggered. 81 // Gets the last accessibility alert that was triggered.
93 virtual AccessibilityAlert GetLastAccessibilityAlert() = 0; 82 virtual ui::AccessibilityAlert GetLastAccessibilityAlert() = 0;
94 83
95 // Plays an earcon. Earcons are brief and distinctive sounds that indicate 84 // Plays an earcon. Earcons are brief and distinctive sounds that indicate
96 // when their mapped event has occurred. The sound key enums can be found in 85 // when their mapped event has occurred. The sound key enums can be found in
97 // chromeos/audio/chromeos_sounds.h. 86 // chromeos/audio/chromeos_sounds.h.
98 virtual void PlayEarcon(int sound_key) = 0; 87 virtual void PlayEarcon(int sound_key) = 0;
99 88
100 // Initiates play of shutdown sound and returns it's duration. 89 // Initiates play of shutdown sound and returns it's duration.
101 virtual base::TimeDelta PlayShutdownSound() const = 0; 90 virtual base::TimeDelta PlayShutdownSound() const = 0;
102 }; 91 };
103 92
104 } // namespace ash 93 } // namespace ash
105 94
106 #endif // ASH_ACCESSIBILITY_DELEGATE_H_ 95 #endif // ASH_ACCESSIBILITY_DELEGATE_H_
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