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71 lines
2.8 KiB
Plaintext
71 lines
2.8 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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#include "nsITreeColumns.idl"
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interface nsIAccessible;
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/**
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* A cross-platform interface that supports cache for tree item
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*
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* @status UNDER_REVIEW
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*/
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[uuid(7cdad914-948b-4bbc-9c47-ee5e1ae6b148)]
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interface nsIAccessibleTreeCache : nsISupports
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{
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/**
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* Get tree item from cache according to row and column, create if doesn't
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* exist in cache.
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*
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* @param aRow the given row index
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* @param aColumn the given column object. If is is nsnull then primary
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* column is used. It makes sense for ATK only.
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*/
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nsIAccessible getCachedTreeitemAccessible(in long aRow,
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in nsITreeColumn aColumn);
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/**
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* Invalidates the number of cached treeitem accessibles.
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*
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* @param aRow row index the invalidation starts from
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* @param aCount the number of treeitem accessibles to invalidate,
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* the number sign specifies whether rows have been
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* inserted (plus) or removed (minus)
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*/
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void invalidateCache(in long aRow, in long aCount);
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};
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