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271 lines
7.8 KiB
JavaScript
271 lines
7.8 KiB
JavaScript
/* ***** 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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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alexander Surkov <surkov.alexander@gmail.com> (original author)
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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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/***************************************************************
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* AccessibleRelationsViewer --------------------------------------------
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* The viewer for the accessible relations for the inspected accessible.
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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* REQUIRED IMPORTS:
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* chrome://inspector/content/jsutil/xpcom/XPCU.js
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****************************************************************/
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///////////////////////////////////////////////////////////////////////////////
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//// Global Variables
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var viewer;
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var gAccService = null;
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///////////////////////////////////////////////////////////////////////////////
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//// Global Constants
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const kAccessibleRetrievalCID = "@mozilla.org/accessibleRetrieval;1";
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const nsIAccessibleRetrieval = Components.interfaces.nsIAccessibleRetrieval;
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const nsIAccessibleRelation = Components.interfaces.nsIAccessibleRelation;
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const nsIAccessNode = Components.interfaces.nsIAccessNode;
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const nsIAccessible = Components.interfaces.nsIAccessible;
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///////////////////////////////////////////////////////////////////////////////
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//// Initialization
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window.addEventListener("load", AccessibleRelationsViewer_initialize, false);
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function AccessibleRelationsViewer_initialize()
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{
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gAccService = XPCU.getService(kAccessibleRetrievalCID,
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nsIAccessibleRetrieval);
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viewer = new AccessibleRelationsViewer();
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viewer.initialize(parent.FrameExchange.receiveData(window));
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}
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///////////////////////////////////////////////////////////////////////////////
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//// class AccessibleRelationsViewer
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function AccessibleRelationsViewer()
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{
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this.mURL = window.location;
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this.mObsMan = new ObserverManager(this);
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this.mTree = document.getElementById("olAccessibleRelations");
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this.mTreeBox = this.mTree.treeBoxObject;
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this.mTargetsTree = document.getElementById("olAccessibleTargets");
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this.mTargetsTreeBox = this.mTargetsTree.treeBoxObject;
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}
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AccessibleRelationsViewer.prototype =
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{
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/////////////////////////
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//// initialization
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mSubject: null,
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mPane: null,
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mView: null,
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mTargetsView: null,
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/////////////////////////
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//// interface inIViewer
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get uid() { return "accessibleRelations"; },
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get pane() { return this.mPane; },
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get selection() { return this.mSelection; },
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get subject() { return this.mSubject; },
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set subject(aObject)
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{
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this.mView = new AccessibleRelationsView(aObject);
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this.mTreeBox.view = this.mView;
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this.mObsMan.dispatchEvent("subjectChange", { subject: aObject });
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},
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initialize: function initialize(aPane)
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{
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this.mPane = aPane;
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aPane.notifyViewerReady(this);
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},
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destroy: function destroy()
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{
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this.mTreeBox.view = null;
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this.mTargetsTreeBox.view = null;
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},
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isCommandEnabled: function isCommandEnabled(aCommand)
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{
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return false;
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},
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getCommand: function getCommand(aCommand)
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{
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return null;
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},
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/////////////////////////
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//// event dispatching
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addObserver: function addObserver(aEvent, aObserver)
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{
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this.mObsMan.addObserver(aEvent, aObserver);
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},
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removeObserver: function removeObserver(aEvent, aObserver)
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{
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this.mObsMan.removeObserver(aEvent, aObserver);
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},
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/////////////////////////
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//// utils
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onItemSelected: function onItemSelected()
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{
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var idx = this.mTree.currentIndex;
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var relation = this.mView.getRelationObject(idx);
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this.mTargetsView = new AccessibleTargetsView(relation);
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this.mTargetsTreeBox.view = this.mTargetsView;
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},
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cmdInspectInNewView: function cmdInspectInNewView()
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{
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var idx = this.mTargetsTree.currentIndex;
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if (idx >= 0) {
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var node = this.mTargetsView.getDOMNode(idx);
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if (node)
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inspectObject(node);
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}
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}
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};
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///////////////////////////////////////////////////////////////////////////////
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//// AccessibleRelationsView
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function AccessibleRelationsView(aNode)
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{
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this.mNode = aNode;
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this.mAccessible = aNode.getUserData("accessible");
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if (this.mAccessible)
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XPCU.QI(this.mAccessible, nsIAccessible);
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else
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this.mAccessible = gAccService.getAccessibleFor(aNode);
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this.mRelations = this.mAccessible.getRelations();
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}
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AccessibleRelationsView.prototype = new inBaseTreeView();
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AccessibleRelationsView.prototype.__defineGetter__("rowCount",
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function rowCount()
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{
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return this.mRelations.length;
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});
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AccessibleRelationsView.prototype.getRelationObject =
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function getRelationObject(aRow)
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{
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return this.mRelations.queryElementAt(aRow, nsIAccessibleRelation);
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}
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AccessibleRelationsView.prototype.getCellText =
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function getCellText(aRow, aCol)
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{
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if (aCol.id == "olcRelationType") {
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var relation = this.getRelationObject(aRow);
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if (relation)
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return gAccService.getStringRelationType(relation.relationType);
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}
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return "";
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}
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///////////////////////////////////////////////////////////////////////////////
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//// AccessibleTargetsView
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function AccessibleTargetsView(aRelation)
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{
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this.mRelation = aRelation;
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this.mTargets = this.mRelation.getTargets();
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}
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///////////////////////////////////////////////////////////////////////////////
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//// AccessibleTargetsView. nsITreeView
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AccessibleTargetsView.prototype = new inBaseTreeView();
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AccessibleTargetsView.prototype.__defineGetter__("rowCount",
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function rowCount()
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{
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return this.mTargets.length;
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});
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AccessibleTargetsView.prototype.getCellText =
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function getCellText(aRow, aCol)
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{
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if (aCol.id == "olcRole") {
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var accessible = this.getAccessible(aRow);
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if (accessible)
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return gAccService.getStringRole(accessible.finalRole);
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} else if (aCol.id == "olcNodeName") {
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var node = this.getDOMNode(aRow);
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if (node)
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return node.nodeName;
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}
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return "";
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}
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///////////////////////////////////////////////////////////////////////////////
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//// AccessibleTargetsView. Utils
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AccessibleTargetsView.prototype.getAccessible =
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function getAccessible(aRow)
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{
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return this.mTargets.queryElementAt(aRow, nsIAccessible);
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}
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AccessibleTargetsView.prototype.getDOMNode =
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function getDOMNode(aRow)
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{
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var accessNode = this.mTargets.queryElementAt(aRow, nsIAccessNode);
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if (!accessNode)
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return null;
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var DOMNode = accessNode.DOMNode;
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DOMNode.setUserData("accessible", accessNode, null);
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return DOMNode;
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}
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