ui/chromeos/accessibility_types.h

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