gecko-dev/accessible/public/nsIAccessibleRetrieval.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): Kyle Yuan (kyle.yuan@sun.com)
*
* 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 nsIDOMNode;
interface nsIAccessible;
interface nsIWeakReference;
interface nsIPresShell;
interface nsIDOMWindow;
interface nsIDOMDOMStringList;
interface nsIAccessiblePivot;
/**
* An interface for in-process accessibility clients wishing to get an
* nsIAccessible for a given DOM node. More documentation at:
* http://www.mozilla.org/projects/ui/accessibility
*/
[scriptable, uuid(310ce77d-c92b-4761-82e8-77e1a728e8d4)]
interface nsIAccessibleRetrieval : nsISupports
{
/**
* Return application accessible.
*/
nsIAccessible getApplicationAccessible();
/**
* Return an nsIAccessible for a DOM node in pres shell 0.
* Create a new accessible of the appropriate type if necessary,
* or use one from the accessibility cache if it already exists.
* @param aNode The DOM node to get an accessible for.
* @return The nsIAccessible for the given DOM node.
*/
nsIAccessible getAccessibleFor(in nsIDOMNode aNode);
/**
* Returns accessible role as a string.
*
* @param aRole - the accessible role constants.
*/
AString getStringRole(in unsigned long aRole);
/**
* Returns list which contains accessible states as a strings.
*
* @param aStates - accessible states.
* @param aExtraStates - accessible extra states.
*/
nsIDOMDOMStringList getStringStates(in unsigned long aStates,
in unsigned long aExtraStates);
/**
* Get the type of accessible event as a string.
*
* @param aEventType - the accessible event type constant
* @return - accessible event type presented as human readable string
*/
AString getStringEventType(in unsigned long aEventType);
/**
* Get the type of accessible relation as a string.
*
* @param aRelationType - the accessible relation type constant
* @return - accessible relation type presented as human readable string
*/
AString getStringRelationType(in unsigned long aRelationType);
/**
* Return an accessible for the given DOM node from the cache.
* @note the method is intended for testing purposes
*
* @param aNode [in] the DOM node to get an accessible for
*
* @return cached accessible for the given DOM node if any
*/
nsIAccessible getAccessibleFromCache(in nsIDOMNode aNode);
/**
* Create a new pivot for tracking a position and traversing a subtree.
*
* @param aRoot [in] the accessible root for the pivot
* @return a new pivot
*/
nsIAccessiblePivot createAccessiblePivot(in nsIAccessible aRoot);
};
%{ C++
// for component registration
// {663CA4A8-D219-4000-925D-D8F66406B626}
#define NS_ACCESSIBLE_RETRIEVAL_CID \
{ 0x663ca4a8, 0xd219, 0x4000, { 0x92, 0x5d, 0xd8, 0xf6, 0x64, 0x6, 0xb6, 0x26 } }
%}