71 lines
2.6 KiB
Java
71 lines
2.6 KiB
Java
/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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import com.sun.star.accessibility.AccessibleEventObject;
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import java.io.PrintStream;
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import java.util.LinkedList;
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class GeometryEventHandler
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extends EventHandler
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{
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public GeometryEventHandler (AccessibleEventObject aEvent, AccessibilityTreeModel aTreeModel)
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{
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super (aEvent, aTreeModel);
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}
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@Override
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public void PrintOldAndNew (PrintStream out)
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{
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out.println (" children not relevant");
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}
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@Override
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public void Process ()
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{
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AccTreeNode aNode = maTreeModel.updateNode (mxEventSource,
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AccessibleComponentHandler.class,
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AccessibleExtendedComponentHandler.class);
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// Update the graphical representation of aNode in the Canvas.
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Canvas aCanvas = maTreeModel.getCanvas();
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if (aCanvas != null)
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{
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// Iterate over all nodes in the sub-tree rooted in aNode.
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LinkedList<Object> aShapeQueue = new LinkedList<Object>();
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aShapeQueue.addLast (aNode);
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while (aShapeQueue.size() > 0)
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{
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// Remove the first node from the queue and update its
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// graphical representation.
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AccTreeNode aShapeNode = (AccTreeNode) aShapeQueue.getFirst();
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aShapeQueue.removeFirst();
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aCanvas.updateNodeGeometry (aShapeNode);
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// Add the node's children to the queue.
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int nChildCount = maTreeModel.getChildCount (aShapeNode);
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for (int i=0; i<nChildCount; i++)
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{
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Object aTreeNode = maTreeModel.getChildNoCreate (aShapeNode, i);
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if (aTreeNode instanceof AccTreeNode)
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aShapeQueue.addLast (aTreeNode);
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}
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}
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aCanvas.repaint ();
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}
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}
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}
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