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 /*************************************************************************

  *

  *  File Name (AccessibleEventID.idl)

  * 

  *  IAccessible2 IDL Specification 

  * 

  *  Copyright (c) 2007, 2010 Linux Foundation 

  *  Copyright (c) 2006 IBM Corporation 

  *  Copyright (c) 2000, 2006 Sun Microsystems, Inc. 

  *  All rights reserved. 

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  *  Redistribution and use in source and binary forms, with or without 

  *  modification, are permitted provided that the following conditions 

  *  are met: 

  *   

  *   1. Redistributions of source code must retain the above copyright 

  *      notice, this list of conditions and the following disclaimer. 

  *   

  *   2. Redistributions in binary form must reproduce the above 

  *      copyright notice, this list of conditions and the following 

  *      disclaimer in the documentation and/or other materials 

  *      provided with the distribution. 

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  *   3. Neither the name of the Linux Foundation nor the names of its 

  *      contributors may be used to endorse or promote products 

  *      derived from this software without specific prior written 

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  *   

  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 

  *  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 

  *  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 

  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 

  *  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 

  *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 

  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 

  *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 

  *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 

  *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 

  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 

  *  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 

  *  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

  *   

  *  This BSD License conforms to the Open Source Initiative "Simplified 

  *  BSD License" as published at: 

  *  http://www.opensource.org/licenses/bsd-license.php 

  *   

  *  IAccessible2 is a trademark of the Linux Foundation. The IAccessible2 

  *  mark may be used in accordance with the Linux Foundation Trademark 

  *  Policy to indicate compliance with the IAccessible2 specification. 

  * 

  ************************************************************************/ 

 /** %IAccessible2 specific event constants 

  This enum defines the event IDs fired by %IAccessible2 objects.  The event IDs

  are in addition to those used by MSAA.

 */

 enum IA2EventID {

   /** The change of the number or attributes of actions of an accessible

     object is signaled by events of this type. 

   */

   IA2_EVENT_ACTION_CHANGED = 0x101,

   /** <b>Deprecated.</b> The active descendant of a component has changed.

 	Note: This event constant is misspelled and thus is deprecated and will be

 	removed in a later version. Please use the correctly spelled version which

 	follows.

   */

   IA2_EVENT_ACTIVE_DECENDENT_CHANGED,

   /** The active descendant of a component has changed.  The active descendant 

     is used in objects with transient children.  

     Note: Due to the fact that MSAA's WinEvents don't allow the active child index

 	to be passed on the IA2_EVENT_ACTIVE_DESCENDANT_CHANGED event the manages

 	descendants	scheme can't be used.  Instead the active child object has to fire

 	MSAA's EVENT_OBJECT_FOCUS.  In a future release a new event mechanism may be

 	added to provide for event specific data to be passed with the event.  At that

 	time the IA2_EVENT_ACTIVE_DECENDENT_CHANGED event and

 	IA2_STATE_MANAGES_DESCENDANTS state would be useful.

   */

   IA2_EVENT_ACTIVE_DESCENDANT_CHANGED = IA2_EVENT_ACTIVE_DECENDENT_CHANGED,

   /** The document wide attributes of the document object have changed.

   */

   IA2_EVENT_DOCUMENT_ATTRIBUTE_CHANGED,

   /** The contents of the document have changed.

   */

   IA2_EVENT_DOCUMENT_CONTENT_CHANGED,

   /** The loading of the document has completed.

   */

   IA2_EVENT_DOCUMENT_LOAD_COMPLETE,

   /** The loading of the document was interrupted.

   */

   IA2_EVENT_DOCUMENT_LOAD_STOPPED,

   /** The document contents are being reloaded.

   */

   IA2_EVENT_DOCUMENT_RELOAD,

   /** The ending index of this link within the containing string has changed.

   */

   IA2_EVENT_HYPERLINK_END_INDEX_CHANGED,

   /** The number of anchors associated with this hyperlink object has changed.

   */

   IA2_EVENT_HYPERLINK_NUMBER_OF_ANCHORS_CHANGED,

   /** The hyperlink selected state changed from selected to unselected or

     from unselected to selected.

   */

   IA2_EVENT_HYPERLINK_SELECTED_LINK_CHANGED,

   /** One of the links associated with the hypertext object has been activated.

   */

   IA2_EVENT_HYPERTEXT_LINK_ACTIVATED,

   /** One of the links associated with the hypertext object has been selected.

   */

   IA2_EVENT_HYPERTEXT_LINK_SELECTED,

   /** The starting index of this link within the containing string has changed.

   */

   IA2_EVENT_HYPERLINK_START_INDEX_CHANGED,

   /** Focus has changed from one hypertext object to another, or focus moved

    from a non-hypertext object to a hypertext object, or focus moved from a

    hypertext object to a non-hypertext object.

   */

   IA2_EVENT_HYPERTEXT_CHANGED,

   /** The number of hyperlinks associated with a hypertext object changed

   */

   IA2_EVENT_HYPERTEXT_NLINKS_CHANGED,

   /** An object's attributes changed.

   Also see ::IA2_EVENT_TEXT_ATTRIBUTE_CHANGED.

   */

   IA2_EVENT_OBJECT_ATTRIBUTE_CHANGED,

   /** A slide changed in a presentation document or a page boundary was 

    crossed in a word processing document.

   */

   IA2_EVENT_PAGE_CHANGED,  

   /** The caret moved from one section to the next.

   */

   IA2_EVENT_SECTION_CHANGED,

   /** A table caption changed.

   */

   IA2_EVENT_TABLE_CAPTION_CHANGED,

   /** A table's column description changed.

   */

   IA2_EVENT_TABLE_COLUMN_DESCRIPTION_CHANGED,

   /** A table's column header changed.

   */

   IA2_EVENT_TABLE_COLUMN_HEADER_CHANGED,

   /** A table's data changed.

   */

   IA2_EVENT_TABLE_MODEL_CHANGED,

   /** A table's row description changed.

   */

   IA2_EVENT_TABLE_ROW_DESCRIPTION_CHANGED,

   /** A table's row header changed.

   */

   IA2_EVENT_TABLE_ROW_HEADER_CHANGED,

   /** A table's summary changed.

   */

   IA2_EVENT_TABLE_SUMMARY_CHANGED,

   /** A text object's attributes changed.

   Also see ::IA2_EVENT_OBJECT_ATTRIBUTE_CHANGED.

   */

   IA2_EVENT_TEXT_ATTRIBUTE_CHANGED,

   /** The caret has moved to a new position.

   */

   IA2_EVENT_TEXT_CARET_MOVED,

   /** <b>Deprecated.</b>  This event is equivalent to ::IA2_EVENT_TEXT_UPDATED.

   */

   IA2_EVENT_TEXT_CHANGED,

   /** The caret moved from one column to the next.

   */

   IA2_EVENT_TEXT_COLUMN_CHANGED,

   /** Text was inserted.

   */

   IA2_EVENT_TEXT_INSERTED,

   /** Text was removed.

   */

   IA2_EVENT_TEXT_REMOVED,

   /** This event indicates general text changes, i.e. changes to text that are 

     exposed through the IAccessibleText interface.  For compatibility with ATK/AT-SPI

 	which does not have an equivalent event, servers can alternatively fire 

 	::IA2_EVENT_TEXT_REMOVED and ::IA2_EVENT_TEXT_INSERTED.

   */

   IA2_EVENT_TEXT_UPDATED,

   /** The text selection changed.  Later versions of Microsoft development environments 

    have an equivalent event identified, EVENT_OBJECT_TEXTSELECTIONCHANGED.  Servers 

    should use that if it is available and use IA2_EVENT_TEXT_SELECTION_CHANGED otherwise.  

    Clients should be prepared to respond to either event.

   */

   IA2_EVENT_TEXT_SELECTION_CHANGED,

   /** A visible data event indicates the change of the visual appearance

     of an accessible object.  This includes for example most of the

     attributes available via the IAccessibleComponent interface.

   */

   IA2_EVENT_VISIBLE_DATA_CHANGED

 };