1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski import com.sun.star.accessibility.XAccessible; 23*b1cdbd2cSJim Jagielski import com.sun.star.accessibility.AccessibleEventObject; 24*b1cdbd2cSJim Jagielski import com.sun.star.uno.UnoRuntime; 25*b1cdbd2cSJim Jagielski 26*b1cdbd2cSJim Jagielski import java.io.PrintStream; 27*b1cdbd2cSJim Jagielski import java.util.LinkedList; 28*b1cdbd2cSJim Jagielski 29*b1cdbd2cSJim Jagielski class GeometryEventHandler 30*b1cdbd2cSJim Jagielski extends EventHandler 31*b1cdbd2cSJim Jagielski { GeometryEventHandler(AccessibleEventObject aEvent, AccessibilityTreeModel aTreeModel)32*b1cdbd2cSJim Jagielski public GeometryEventHandler (AccessibleEventObject aEvent, AccessibilityTreeModel aTreeModel) 33*b1cdbd2cSJim Jagielski { 34*b1cdbd2cSJim Jagielski super (aEvent, aTreeModel); 35*b1cdbd2cSJim Jagielski } 36*b1cdbd2cSJim Jagielski PrintOldAndNew(PrintStream out)37*b1cdbd2cSJim Jagielski public void PrintOldAndNew (PrintStream out) 38*b1cdbd2cSJim Jagielski { 39*b1cdbd2cSJim Jagielski out.println (" children not relevant"); 40*b1cdbd2cSJim Jagielski } 41*b1cdbd2cSJim Jagielski Process()42*b1cdbd2cSJim Jagielski public void Process () 43*b1cdbd2cSJim Jagielski { 44*b1cdbd2cSJim Jagielski AccTreeNode aNode = maTreeModel.updateNode (mxEventSource, 45*b1cdbd2cSJim Jagielski AccessibleComponentHandler.class, 46*b1cdbd2cSJim Jagielski AccessibleExtendedComponentHandler.class); 47*b1cdbd2cSJim Jagielski 48*b1cdbd2cSJim Jagielski // Update the graphical representation of aNode in the Canvas. 49*b1cdbd2cSJim Jagielski Canvas aCanvas = maTreeModel.getCanvas(); 50*b1cdbd2cSJim Jagielski if (aCanvas != null) 51*b1cdbd2cSJim Jagielski { 52*b1cdbd2cSJim Jagielski // Iterate over all nodes in the sub-tree rooted in aNode. 53*b1cdbd2cSJim Jagielski LinkedList aShapeQueue = new LinkedList(); 54*b1cdbd2cSJim Jagielski aShapeQueue.addLast (aNode); 55*b1cdbd2cSJim Jagielski while (aShapeQueue.size() > 0) 56*b1cdbd2cSJim Jagielski { 57*b1cdbd2cSJim Jagielski // Remove the first node from the queue and update its 58*b1cdbd2cSJim Jagielski // graphical representation. 59*b1cdbd2cSJim Jagielski AccTreeNode aShapeNode = (AccTreeNode) aShapeQueue.getFirst(); 60*b1cdbd2cSJim Jagielski aShapeQueue.removeFirst(); 61*b1cdbd2cSJim Jagielski aCanvas.updateNodeGeometry (aShapeNode); 62*b1cdbd2cSJim Jagielski 63*b1cdbd2cSJim Jagielski // Add the node's children to the queue. 64*b1cdbd2cSJim Jagielski int nChildCount = maTreeModel.getChildCount (aShapeNode); 65*b1cdbd2cSJim Jagielski for (int i=0; i<nChildCount; i++) 66*b1cdbd2cSJim Jagielski { 67*b1cdbd2cSJim Jagielski Object aTreeNode = maTreeModel.getChildNoCreate (aShapeNode, i); 68*b1cdbd2cSJim Jagielski if (aTreeNode instanceof AccTreeNode) 69*b1cdbd2cSJim Jagielski aShapeQueue.addLast (aTreeNode); 70*b1cdbd2cSJim Jagielski } 71*b1cdbd2cSJim Jagielski } 72*b1cdbd2cSJim Jagielski aCanvas.repaint (); 73*b1cdbd2cSJim Jagielski } 74*b1cdbd2cSJim Jagielski } 75*b1cdbd2cSJim Jagielski } 76