gecko/accessible/public/nsPIAccessible.idl

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2003
* the Initial Developer. All Rights Reserved.
*
* Original Author: Aaron Leventhal (aaronl@netscape.com)
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
interface nsIAccessible;
interface nsIAccessibleEvent;
[uuid(af05f83c-6fd2-48c1-b1c3-811857472421)]
interface nsPIAccessible : nsISupports
{
/**
* Set accessible parent.
*/
void setParent(in nsIAccessible aAccParent);
/**
* Set first accessible child.
*/
void setFirstChild(in nsIAccessible aAccFirstChild);
/**
* Set next sibling accessible.
*/
void setNextSibling(in nsIAccessible aAccNextSibling);
/**
* Return parent accessible only if cached.
*/
void getCachedParent(out nsIAccessible aAccParent);
/**
* Return first child accessible only if cached.
*/
void getCachedFirstChild(out nsIAccessible aAccFirstChild);
/**
* Set the child count to -1 (unknown) and null out cached child pointers
*/
void invalidateChildren();
/**
* Fire accessible event.
*
* @param aEvent - DOM event
* @param aTarget - target of DOM event
* @param aData - additional information for accessible event.
*
* XXX: eventually this method will be removed (see bug 377022)
*/
void fireToolkitEvent(in unsigned long aEvent, in nsIAccessible aTarget,
in voidPtr aData);
/**
* Fire accessible event.
*/
void fireAccessibleEvent(in nsIAccessibleEvent aAccEvent);
/**
* Return true if there are accessible children in anonymous content
*/
readonly attribute boolean allowsAnonChildAccessibles;
/**
* Assert if child not in parent's cache.
*/
void testChildCache(in nsIAccessible aCachedChild);
/**
* Returns text of accessible if accessible has text role otherwise empty
* string.
*/
void appendTextTo(out AString aString, in unsigned long aStartOffset,
in unsigned long aLength);
};