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      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_
    111