nsIAccessibleRole in Firefox 3.5

 Used when accessible hans't strong defined role.

const unsigned long ROLE_NOTHING = 0

 Represents a title or caption bar for a window. It is used by MSAA only,
 supported automatically by MS Windows.

const unsigned long ROLE_TITLEBAR = 1

 Represents the menu bar (positioned beneath the title bar of a window)
 from which menus are selected by the user. The role is used by
 xul:menubar or role="menubar".

const unsigned long ROLE_MENUBAR = 2

 Represents a vertical or horizontal scroll bar, which is part of the client
 area or used in a control.

const unsigned long ROLE_SCROLLBAR = 3

 Represents a special mouse pointer, which allows a user to manipulate user
 interface elements such as windows. For example, a user clicks and drags
 a sizing grip in the lower-right corner of a window to resize it.

const unsigned long ROLE_GRIP = 4

 Represents a system sound, which is associated with various system events.

const unsigned long ROLE_SOUND = 5

 Represents the system mouse pointer.

const unsigned long ROLE_CURSOR = 6

 Represents the system caret. The role is supported for caret.

const unsigned long ROLE_CARET = 7

 Represents an alert or a condition that a user should be notified about.
 Assistive Technologies typically respond to the role by reading the entire
 onscreen contents of containers advertising this role. Should be used for
 warning dialogs, etc. The role is used by xul:browsermessage,
 role="alert", xforms:message.

const unsigned long ROLE_ALERT = 8

 Represents the window frame, which contains child objects such as
 a title bar, client, and other objects contained in a window. The role
 is supported automatically by MS Windows.

const unsigned long ROLE_WINDOW = 9

 A sub-document (<frame> or <iframe>)

const unsigned long ROLE_INTERNAL_FRAME = 10

 Represents a menu, which presents a list of options from which the user can
 make a selection to perform an action. It is used for role="menu".

const unsigned long ROLE_MENUPOPUP = 11

 Represents a menu item, which is an entry in a menu that a user can choose
 to carry out a command, select an option. It is used for xul:menuitem,
 role="menuitem".

const unsigned long ROLE_MENUITEM = 12

 Represents a ToolTip that provides helpful hints.

const unsigned long ROLE_TOOLTIP = 13

 Represents a main window for an application. It is used for
 role="application". Also refer to ROLE_APP_ROOT

const unsigned long ROLE_APPLICATION = 14

 Represents a document window. A document window is always contained within
 an application window. It is used for role="document".

const unsigned long ROLE_DOCUMENT = 15

 Represents a pane within a frame or document window. Users can navigate
 between panes and within the contents of the current pane, but cannot
 navigate between items in different panes. Thus, panes represent a level
 of grouping lower than frame windows or documents, but above individual
 controls. It is used for the first child of a <frame> or <iframe>.

const unsigned long ROLE_PANE = 16

 Represents a graphical image used to represent data.

const unsigned long ROLE_CHART = 17

 Represents a dialog box or message box. It is used for xul:dialog, 
 role="dialog".

const unsigned long ROLE_DIALOG = 18

 Represents a window border.

const unsigned long ROLE_BORDER = 19

 Logically groups other objects. There is not always a parent-child
 relationship between the grouping object and the objects it contains. It
 is used for html:textfield, xul:groupbox, role="group".

const unsigned long ROLE_GROUPING = 20

 Used to visually divide a space into two regions, such as a separator menu
 item or a bar that divides split panes within a window. It is used for
 xul:separator, html:hr, role="separator".

const unsigned long ROLE_SEPARATOR = 21

 Represents a toolbar, which is a grouping of controls (push buttons or
 toggle buttons) that provides easy access to frequently used features. It
 is used for xul:toolbar, role="toolbar".

const unsigned long ROLE_TOOLBAR = 22

 Represents a status bar, which is an area at the bottom of a window that
 displays information about the current operation, state of the application,
 or selected object. The status bar has multiple fields, which display
 different kinds of information. It is used for xul:statusbar.

const unsigned long ROLE_STATUSBAR = 23

 Represents a table that contains rows and columns of cells, and optionally,
 row headers and column headers. It is used for html:table,
 role="grid". Also refer to the following roles: ROLE_COLUMNHEADER,
 ROLE_ROWHEADER, ROLE_COLUMN, ROLE_ROW, ROLE_CELL.

const unsigned long ROLE_TABLE = 24

 Represents a column header, providing a visual label for a column in
 a table. It is used for XUL tree column headers, html:th,
 role="colheader". Also refer to ROLE_TABLE.

const unsigned long ROLE_COLUMNHEADER = 25

 Represents a row header, which provides a visual label for a table row.
 It is used for role="rowheader". Also, see ROLE_TABLE.

const unsigned long ROLE_ROWHEADER = 26

 Represents a column of cells within a table. Also, see ROLE_TABLE.

const unsigned long ROLE_COLUMN = 27

 Represents a row of cells within a table. Also, see ROLE_TABLE.

const unsigned long ROLE_ROW = 28

 Represents a cell within a table. Is is used for html:td,
 role="gridcell". Also, see ROLE_TABLE.

const unsigned long ROLE_CELL = 29

 Represents a link to something else. This object might look like text or
 a graphic, but it acts like a button. It is used for
 xul:label@class="text-link", html:a, html:area,
 xforms:trigger@appearance="minimal".

const unsigned long ROLE_LINK = 30

 Displays a Help topic in the form of a ToolTip or Help balloon.

const unsigned long ROLE_HELPBALLOON = 31

 Represents a cartoon-like graphic object, such as Microsoft Office
 Assistant, which is displayed to provide help to users of an application.

const unsigned long ROLE_CHARACTER = 32

 Represents a list box, allowing the user to select one or more items. It
 is used for xul:listbox, html:select@size, role="list". See also
 ROLE_LIST_ITEM.

const unsigned long ROLE_LIST = 33

 Represents an item in a list. See also ROLE_LIST.

const unsigned long ROLE_LISTITEM = 34

 Represents an outline or tree structure, such as a tree view control,
 that displays a hierarchical list and allows the user to expand and
 collapse branches. Is is used for role="tree".

const unsigned long ROLE_OUTLINE = 35

 Represents an item in an outline or tree structure. It is used for
 role="treeitem".

const unsigned long ROLE_OUTLINEITEM = 36

 Represents a page tab, it is a child of a page tab list. It is used for
 xul:tab, role="treeitem". Also refer to ROLE_PAGETABLIST.

const unsigned long ROLE_PAGETAB = 37

 Represents a property sheet. It is used for xul:tabpanel,
 role="tabpanel".

const unsigned long ROLE_PROPERTYPAGE = 38

 Represents an indicator, such as a pointer graphic, that points to the
 current item.

const unsigned long ROLE_INDICATOR = 39

 Represents a picture. Is is used for xul:image, html:img.

const unsigned long ROLE_GRAPHIC = 40

 Represents read-only text, such as labels for other controls or
 instructions in a dialog box. Static text cannot be modified or selected.
 Is is used for xul:label, xul:description, html:lablel,
 role="label" or role="description", xforms:output.

const unsigned long ROLE_STATICTEXT = 41

 Represents selectable text that allows edits or is designated read-only.

const unsigned long ROLE_TEXT_LEAF = 42

 Represents a push button control. It is used for xul:button, html:button,
 role="button", xforms:trigger, xforms:submit.

const unsigned long ROLE_PUSHBUTTON = 43

 Represents a check box control. It is used for xul:checkbox,
 html:input@type="checkbox", role="checkbox", boolean xforms:input.

const unsigned long ROLE_CHECKBUTTON = 44

 Represents an option button, also called a radio button. It is one of a
 group of mutually exclusive options. All objects sharing a single parent
 that have this attribute are assumed to be part of single mutually
 exclusive group. It is used for xul:radio, html:input@type="radio",
 role="radio".

const unsigned long ROLE_RADIOBUTTON = 45

 Represents a combo box; an edit control with an associated list box that
 provides a set of predefined choices. It is used for html:select,
 xul:menulist, role="combobox".

const unsigned long ROLE_COMBOBOX = 46

 Represents the calendar control. It is used for date xforms:input.

const unsigned long ROLE_DROPLIST = 47

 Represents a progress bar, dynamically showing the user the percent
 complete of an operation in progress. It is used for xul:progressmeter,
 role="progressbar".

const unsigned long ROLE_PROGRESSBAR = 48

 Represents a dial or knob whose purpose is to allow a user to set a value.

const unsigned long ROLE_DIAL = 49

 Represents a hot-key field that allows the user to enter a combination or
 sequence of keystrokes.

const unsigned long ROLE_HOTKEYFIELD = 50

 Represents a slider, which allows the user to adjust a setting in given
 increments between minimum and maximum values. It is used by xul:scale,
 role="slider", xforms:range.

const unsigned long ROLE_SLIDER = 51

 Represents a spin box, which is a control that allows the user to increment
 or decrement the value displayed in a separate "buddy" control associated
 with the spin box. It is used for xul:spinbuttons.

const unsigned long ROLE_SPINBUTTON = 52

 Represents a graphical image used to diagram data. It is used for svg:svg.

const unsigned long ROLE_DIAGRAM = 53

 Represents an animation control, which contains content that changes over
 time, such as a control that displays a series of bitmap frames.

const unsigned long ROLE_ANIMATION = 54

 Represents a mathematical equation. It is used by MATHML, where there is a
 rich DOM subtree for an equation. Use ROLE_FLAT_EQUATION for <img role="math" alt="[TeX]"/>

const unsigned long ROLE_EQUATION = 55

 Represents a button that drops down a list of items.

const unsigned long ROLE_BUTTONDROPDOWN = 56

 Represents a button that drops down a menu.

const unsigned long ROLE_BUTTONMENU = 57

 Represents a button that drops down a grid. It is used for xul:colorpicker.

const unsigned long ROLE_BUTTONDROPDOWNGRID = 58

 Represents blank space between other objects.

const unsigned long ROLE_WHITESPACE = 59

 Represents a container of page tab controls. Is it used for xul:tabs,
 DHTML: role="tabs". Also refer to ROLE_PAGETAB.

const unsigned long ROLE_PAGETABLIST = 60

 Represents a control that displays time.

const unsigned long ROLE_CLOCK = 61

 Represents a button on a toolbar that has a drop-down list icon directly
 adjacent to the button.

const unsigned long ROLE_SPLITBUTTON = 62

 Represents an edit control designed for an Internet Protocol (IP) address.
 The edit control is divided into sections for the different parts of the
 IP address.

const unsigned long ROLE_IPADDRESS = 63

 Represents a label control that has an accelerator.

const unsigned long ROLE_ACCEL_LABEL = 64

 Represents an arrow in one of the four cardinal directions.

const unsigned long ROLE_ARROW = 65

 Represents a control that can be drawn into and is used to trap events.
 It is used for html:canvas.

const unsigned long ROLE_CANVAS = 66

 Represents a menu item with a check box.

const unsigned long ROLE_CHECK_MENU_ITEM = 67

 Represents a specialized dialog that lets the user choose a color.

const unsigned long ROLE_COLOR_CHOOSER = 68

 Represents control whose purpose is to allow a user to edit a date.

const unsigned long ROLE_DATE_EDITOR = 69

 An iconified internal frame in an ROLE_DESKTOP_PANE. Also refer to
 ROLE_INTERNAL_FRAME.

const unsigned long ROLE_DESKTOP_ICON = 70

 A desktop pane. A pane that supports internal frames and iconified
 versions of those internal frames.

const unsigned long ROLE_DESKTOP_FRAME = 71

 A directory pane. A pane that allows the user to navigate through
 and select the contents of a directory. May be used by a file chooser.
 Also refer to ROLE_FILE_CHOOSER.

const unsigned long ROLE_DIRECTORY_PANE = 72

 A file chooser. A specialized dialog that displays the files in the
 directory and lets the user select a file, browse a different directory,
 or specify a filename. May use the directory pane to show the contents of
 a directory. Also refer to ROLE_DIRECTORY_PANE.

const unsigned long ROLE_FILE_CHOOSER = 73

 A font chooser. A font chooser is a component that lets the user pick
 various attributes for fonts.

const unsigned long ROLE_FONT_CHOOSER = 74

 Frame role. A top level window with a title bar, border, menu bar, etc.
 It is often used as the primary window for an application.

const unsigned long ROLE_CHROME_WINDOW = 75

  A glass pane. A pane that is guaranteed to be painted on top of all
 panes beneath it. Also refer to ROLE_ROOT_PANE.

const unsigned long ROLE_GLASS_PANE = 76

 A document container for HTML, whose children represent the document
 content.

const unsigned long ROLE_HTML_CONTAINER = 77

 A small fixed size picture, typically used to decorate components.

const unsigned long ROLE_ICON = 78

 Presents an icon or short string in an interface.

const unsigned long ROLE_LABEL = 79

 A layered pane. A specialized pane that allows its children to be drawn
 in layers, providing a form of stacking order. This is usually the pane
 that holds the menu bar as  well as the pane that contains most of the
 visual components in a window. Also refer to ROLE_GLASS_PANE and
 ROLE_ROOT_PANE.

const unsigned long ROLE_LAYERED_PANE = 80

 A specialized pane whose primary use is inside a dialog.

const unsigned long ROLE_OPTION_PANE = 81

 A text object uses for passwords, or other places where the text content
 is not shown visibly to the user.

const unsigned long ROLE_PASSWORD_TEXT = 82

 A temporary window that is usually used to offer the user a list of
 choices, and then hides when the user selects one of those choices.

const unsigned long ROLE_POPUP_MENU = 83

 A radio button that is a menu item.

const unsigned long ROLE_RADIO_MENU_ITEM = 84

 A root pane. A specialized pane that has a glass pane and a layered pane
 as its children. Also refer to ROLE_GLASS_PANE and ROLE_LAYERED_PANE.

const unsigned long ROLE_ROOT_PANE = 85

 A scroll pane. An object that allows a user to incrementally view a large
 amount of information.  Its children can include scroll bars and a
 viewport. Also refer to ROLE_VIEW_PORT.

const unsigned long ROLE_SCROLL_PANE = 86

 A split pane. A specialized panel that presents two other panels at the
 same time. Between the two panels is a divider the user can manipulate to
 make one panel larger and the other panel smaller.

const unsigned long ROLE_SPLIT_PANE = 87

 The header for a column of a table.
 XXX: it looks this role is dupe of ROLE_COLUMNHEADER.

const unsigned long ROLE_TABLE_COLUMN_HEADER = 88

 The header for a row of a table.
 XXX: it looks this role is dupe of ROLE_ROWHEADER

const unsigned long ROLE_TABLE_ROW_HEADER = 89

 A menu item used to tear off and reattach its menu.

const unsigned long ROLE_TEAR_OFF_MENU_ITEM = 90

 Represents an accessible terminal.

const unsigned long ROLE_TERMINAL = 91

 Collection of objects that constitute a logical text entity.

const unsigned long ROLE_TEXT_CONTAINER = 92

 A toggle button. A specialized push button that can be checked or
 unchecked, but does not provide a separate indicator for the current state.

const unsigned long ROLE_TOGGLE_BUTTON = 93

 Representas a control that is capable of expanding and collapsing rows as
 well as showing multiple columns of data.
 XXX: it looks like this role is dupe of ROLE_OUTLINE.

const unsigned long ROLE_TREE_TABLE = 94

 A viewport. An object usually used in a scroll pane. It represents the
 portion of the entire data that the user can see. As the user manipulates
 the scroll bars, the contents of the viewport can change. Also refer to
 ROLE_SCROLL_PANE.

const unsigned long ROLE_VIEWPORT = 95

 Header of a document page. Also refer to ROLE_FOOTER.

const unsigned long ROLE_HEADER = 96

 Footer of a document page. Also refer to ROLE_HEADER.

const unsigned long ROLE_FOOTER = 97

 A paragraph of text.

const unsigned long ROLE_PARAGRAPH = 98

 A ruler such as those used in word processors.

const unsigned long ROLE_RULER = 99

 A text entry having dialog or list containing items for insertion into
 an entry widget, for instance a list of words for completion of a
 text entry. It is used for xul:textbox@autocomplete

const unsigned long ROLE_AUTOCOMPLETE = 100

  An editable text object in a toolbar.

const unsigned long ROLE_EDITBAR = 101

 An control whose textual content may be entered or modified by the user.

const unsigned long ROLE_ENTRY = 102

 A caption describing another object.

const unsigned long ROLE_CAPTION = 103

 A visual frame or container which contains a view of document content.
 Document frames may occur within another Document instance, in which case
 the second document may be said to be embedded in the containing instance.
 HTML frames are often ROLE_DOCUMENT_FRAME. Either this object, or a
 singleton descendant, should implement the Document interface.

const unsigned long ROLE_DOCUMENT_FRAME = 104

 Heading.

const unsigned long ROLE_HEADING = 105

 An object representing a page of document content.  It is used in documents
 which are accessed by the user on a page by page basis.

const unsigned long ROLE_PAGE = 106

 A container of document content.  An example of the use of this role is to
 represent an html:div.

const unsigned long ROLE_SECTION = 107

 An object which is redundant with another object in the accessible
 hierarchy. ATs typically ignore objects with this role.

const unsigned long ROLE_REDUNDANT_OBJECT = 108

 A container of form controls. An example of the use of this role is to
 represent an html:form.

const unsigned long ROLE_FORM = 109

 An object which is used to allow input of characters not found on a
 keyboard, such as the input of Chinese characters on a Western keyboard.

const unsigned long ROLE_IME = 110

 XXX: document this.

const unsigned long ROLE_APP_ROOT = 111

 Represents a menu item, which is an entry in a menu that a user can choose
 to display another menu.

const unsigned long ROLE_PARENT_MENUITEM = 112

 A calendar that allows the user to select a date.

const unsigned long ROLE_CALENDAR = 113

 A list of items that is shown by combobox.

const unsigned long ROLE_COMBOBOX_LIST = 114

 A item of list that is shown by combobox;

const unsigned long ROLE_COMBOBOX_OPTION = 115

 An image map -- has child links representing the areas

const unsigned long ROLE_IMAGE_MAP = 116

 An option in a listbox

const unsigned long ROLE_OPTION = 117

 A rich option in a listbox, it can have other widgets as children

const unsigned long ROLE_RICH_OPTION = 118

 A list of options

const unsigned long ROLE_LISTBOX = 119

 Represents a mathematical equation in the accessible name

const unsigned long ROLE_FLAT_EQUATION = 120

 It's not role actually. This contanst is important to help ensure
 nsRoleMap's are synchronized.

const unsigned long ROLE_LAST_ENTRY = 121

nsIAccessibleRole in Firefox 3.5

Constants