ui/base/accessibility/accessibility_types.h

   1 // Copyright (c) 2012 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_BASE_ACCESSIBILITY_ACCESSIBILITY_TYPES_H_
   6 #define UI_BASE_ACCESSIBILITY_ACCESSIBILITY_TYPES_H_
   7
   8 #include "base/basictypes.h"
   9
  10 namespace ui {
  11
  12 ////////////////////////////////////////////////////////////////////////////////
  13 //
  14 // AccessibilityTypes
  15 //
  16 // Provides enumerations used to preserve platform-independence in
  17 // accessibility functions.
  18 //
  19 ////////////////////////////////////////////////////////////////////////////////
  20 class AccessibilityTypes {
  21  public:
  22
  23   // This defines states of the supported accessibility roles in our
  24   // Views (e.g. used in View::GetAccessibleState). Any interface using states
  25   // must provide a conversion to its own states (see e.g.
  26   // NativeViewAccessibilityWin::get_accState).
  27   typedef uint32 State;
  28   enum StateFlag {
  29     STATE_CHECKED     = 1 << 0,
  30     STATE_COLLAPSED   = 1 << 1,
  31     STATE_DEFAULT     = 1 << 2,
  32     STATE_EDITABLE    = 1 << 3,
  33     STATE_EXPANDED    = 1 << 4,
  34     STATE_FOCUSED     = 1 << 5,
  35     STATE_HASPOPUP    = 1 << 6,
  36     STATE_HOTTRACKED  = 1 << 7,
  37     STATE_INVISIBLE   = 1 << 8,
  38     STATE_LINKED      = 1 << 9,
  39     STATE_OFFSCREEN   = 1 << 10,
  40     STATE_PRESSED     = 1 << 11,
  41     STATE_PROTECTED   = 1 << 12,
  42     STATE_READONLY    = 1 << 13,
  43     STATE_SELECTED    = 1 << 14,
  44     STATE_UNAVAILABLE = 1 << 15
  45   };
  46
  47   // This defines an enumeration of the supported accessibility roles in our
  48   // Views (e.g. used in View::GetAccessibleRole). Any interface using roles
  49   // must provide a conversion to its own roles (see e.g.
  50   // NativeViewAccessibilityWin::get_accRole).
  51   enum Role {
  52     ROLE_ALERT,
  53     ROLE_APPLICATION,
  54     ROLE_BUTTONDROPDOWN,
  55     ROLE_BUTTONMENU,
  56     ROLE_CHECKBUTTON,
  57     ROLE_CLIENT,
  58     ROLE_COMBOBOX,
  59     ROLE_DIALOG,
  60     ROLE_GRAPHIC,
  61     ROLE_GROUPING,
  62     ROLE_LINK,
  63     ROLE_LOCATION_BAR,
  64     ROLE_MENUBAR,
  65     ROLE_MENUITEM,
  66     ROLE_MENUPOPUP,
  67     ROLE_OUTLINE,
  68     ROLE_OUTLINEITEM,
  69     ROLE_PAGETAB,
  70     ROLE_PAGETABLIST,
  71     ROLE_PANE,
  72     ROLE_PROGRESSBAR,
  73     ROLE_PUSHBUTTON,
  74     ROLE_RADIOBUTTON,
  75     ROLE_SCROLLBAR,
  76     ROLE_SEPARATOR,
  77     ROLE_SLIDER,
  78     ROLE_STATICTEXT,
  79     ROLE_TEXT,
  80     ROLE_TITLEBAR,
  81     ROLE_TOOLBAR,
  82     ROLE_WINDOW
  83   };
  84
  85   // This defines an enumeration of the supported accessibility events in our
  86   // Views (e.g. used in View::NotifyAccessibilityEvent). Any interface using
  87   // events must provide a conversion to its own events (see e.g.
  88   // ViewAccessibility::MSAAEvent).
  89   enum Event {
  90     EVENT_ALERT,
  91     EVENT_FOCUS,
  92     EVENT_MENUSTART,
  93     EVENT_MENUEND,
  94     EVENT_MENUPOPUPSTART,
  95     EVENT_MENUPOPUPEND,
  96     EVENT_NAME_CHANGED,
  97     EVENT_TEXT_CHANGED,
  98     EVENT_SELECTION_CHANGED,
  99     EVENT_VALUE_CHANGED
 100   };
 101
 102  private:
 103   // Do not instantiate this class.
 104   AccessibilityTypes() {}
 105   ~AccessibilityTypes() {}
 106 };
 107
 108 }  // namespace ui
 109
 110 #endif  // UI_BASE_ACCESSIBILITY_ACCESSIBILITY_TYPES_H_