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Diffstat (limited to '')
-rw-r--r-- | toolkit/test/accessibility/GeometryEventHandler.java | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/toolkit/test/accessibility/GeometryEventHandler.java b/toolkit/test/accessibility/GeometryEventHandler.java new file mode 100644 index 000000000..c55ee3acc --- /dev/null +++ b/toolkit/test/accessibility/GeometryEventHandler.java @@ -0,0 +1,71 @@ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 . + */ + +import com.sun.star.accessibility.AccessibleEventObject; +import java.io.PrintStream; +import java.util.LinkedList; + +class GeometryEventHandler + extends EventHandler +{ + public GeometryEventHandler (AccessibleEventObject aEvent, AccessibilityTreeModel aTreeModel) + { + super (aEvent, aTreeModel); + } + + @Override + public void PrintOldAndNew (PrintStream out) + { + out.println (" children not relevant"); + } + + @Override + public void Process () + { + AccTreeNode aNode = maTreeModel.updateNode (mxEventSource, + AccessibleComponentHandler.class, + AccessibleExtendedComponentHandler.class); + + // Update the graphical representation of aNode in the Canvas. + Canvas aCanvas = maTreeModel.getCanvas(); + if (aCanvas != null) + { + // Iterate over all nodes in the sub-tree rooted in aNode. + LinkedList<Object> aShapeQueue = new LinkedList<Object>(); + aShapeQueue.addLast (aNode); + while (aShapeQueue.size() > 0) + { + // Remove the first node from the queue and update its + // graphical representation. + AccTreeNode aShapeNode = (AccTreeNode) aShapeQueue.getFirst(); + aShapeQueue.removeFirst(); + aCanvas.updateNodeGeometry (aShapeNode); + + // Add the node's children to the queue. + int nChildCount = maTreeModel.getChildCount (aShapeNode); + for (int i=0; i<nChildCount; i++) + { + Object aTreeNode = maTreeModel.getChildNoCreate (aShapeNode, i); + if (aTreeNode instanceof AccTreeNode) + aShapeQueue.addLast (aTreeNode); + } + } + aCanvas.repaint (); + } + } +} |