gecko-dev/accessible/public/nsIAccessibleTreeCache.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) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Louie Zhao <Louie.Zhao@sun.com> (original author)
* Alexander Surkov <surkov.alexander@gmail.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
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* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
#include "nsITreeColumns.idl"
interface nsIAccessible;
/**
* A private interface to operate with tree accessible.
*
* @status UNDER_REVIEW
*/
[uuid(7e0f50b0-6444-4372-b00f-4ce81c6b058a)]
interface nsIAccessibleTreeCache : nsISupports
{
/**
* Get tree item from cache according to row and column, create if doesn't
* exist in cache.
*
* @param aRow the given row index
* @param aColumn the given column object. If is is nsnull then primary
* column is used. It makes sense for ATK only.
*/
nsIAccessible getCachedTreeitemAccessible(in long aRow,
in nsITreeColumn aColumn);
/**
* Invalidates the number of cached treeitem accessibles.
*
* @param aRow row index the invalidation starts from
* @param aCount the number of treeitem accessibles to invalidate,
* the number sign specifies whether rows have been
* inserted (plus) or removed (minus)
*/
void invalidateCache(in long aRow, in long aCount);
/**
* Fires name change events for invalidated area of tree.
*
* @param aStartRow row index invalidation starts from
* @param aEndRow row index invalidation ends, -1 means last row index
* @param aStartCol column index invalidation starts from
* @param aEndCol column index invalidation ends, -1 mens last column
* index
*/
void treeViewInvalidated(in long aStartRow, in long aEndRow,
in long aStartCol, in long aEndCol);
};
[uuid(b71532f9-53b2-4647-a5b2-1c5f57e9aed6)]
interface nsPIAccessibleTreeItem : nsISupports
{
/**
* Get/set cached name.
*/
attribute AString cachedName;
};