gecko/accessible/public/nsIAccessibleRole.idl

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 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 *
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 * for the specific language governing rights and limitations under the
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 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2007
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  Alexander Surkov <surkov.alexander@gmail.com>
 *
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 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#include "nsISupports.idl"

/**
 * Defines cross platform (Gecko) roles.
 *
 * @note - When adding a new role, be sure to also add it to nsRoleMap.h for
 *         each platform.
 */
[scriptable, uuid(d6d73bc4-0fe9-46a1-a8dd-6d93b041e54b)]
interface nsIAccessibleRole : nsISupports
{
  /**
   * 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="wairole: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="wairole: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;

  /**
   * XXX: document this.
   */
  const unsigned long ROLE_CLIENT = 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="wairole: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="wairole: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="wairole: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="wairole: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="wairole: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="wairole: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="wairole: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="wairole: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="wairole: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="wairole: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="wairole: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="wairole: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="wairole: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="wairole:tree".
   */
  const unsigned long ROLE_OUTLINE = 35;

  /**
   * Represents an item in an outline or tree structure. It is used for
   * role="wairole: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="wairole:treeitem". Also refer to ROLE_PAGETABLIST.
   */
  const unsigned long ROLE_PAGETAB = 37;

  /**
   * Represents a property sheet. It is used for xul:tabpanel,
   * role="wairole: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="wairole:label" or role="wairole: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="wairole: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="wairole: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="wairole: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="wairole: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="wairole: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="wairole: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.
   */
  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="wairole: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_LISTITEM = 115;

  /**
   * It's not role actually. This contanst is important to help ensure
   * nsRoleMap's are synchronized.
   */
  const unsigned long ROLE_LAST_ENTRY = 116;
};