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1 // Copyright 2014 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_ACCESSIBILITY_TYPES_H_ | |
6 #define ASH_ACCESSIBILITY_TYPES_H_ | |
7 | |
8 namespace ash { | |
9 | |
10 enum AccessibilityNotificationVisibility { | |
11 A11Y_NOTIFICATION_NONE, | |
12 A11Y_NOTIFICATION_SHOW, | |
13 }; | |
14 | |
15 enum AccessibilityAlert { | |
16 A11Y_ALERT_NONE, | |
17 A11Y_ALERT_CAPS_ON, | |
18 A11Y_ALERT_CAPS_OFF, | |
19 A11Y_ALERT_SCREEN_ON, | |
20 A11Y_ALERT_SCREEN_OFF, | |
21 A11Y_ALERT_WINDOW_NEEDED, | |
22 A11Y_ALERT_WINDOW_OVERVIEW_MODE_ENTERED | |
23 }; | |
24 | |
25 // Note: Do not change these values; UMA and prefs depend on them. | |
26 enum MagnifierType { | |
27 MAGNIFIER_FULL = 1, | |
28 MAGNIFIER_PARTIAL = 2, | |
29 }; | |
30 | |
31 const int kMaxMagnifierType = 2; | |
32 | |
33 const MagnifierType kDefaultMagnifierType = MAGNIFIER_FULL; | |
34 | |
35 // Factor of magnification scale. For example, when this value is 1.189, scale | |
36 // value will be changed x1.000, x1.189, x1.414, x1.681, x2.000, ... | |
37 // Note: this value is 2.0 ^ (1 / 4). | |
38 const float kMagnificationScaleFactor = 1.18920712f; | |
39 | |
40 } // namespace ash | |
41 | |
42 #endif // ASH_ACCESSIBILITY_TYPES_H_ | |
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