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Diffstat (limited to 'accessibility/workben/org/openoffice/accessibility/awb/tree/DynamicAccessibilityModel.java')
-rw-r--r-- | accessibility/workben/org/openoffice/accessibility/awb/tree/DynamicAccessibilityModel.java | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/accessibility/workben/org/openoffice/accessibility/awb/tree/DynamicAccessibilityModel.java b/accessibility/workben/org/openoffice/accessibility/awb/tree/DynamicAccessibilityModel.java new file mode 100644 index 000000000000..f2b4c6f0e97f --- /dev/null +++ b/accessibility/workben/org/openoffice/accessibility/awb/tree/DynamicAccessibilityModel.java @@ -0,0 +1,123 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +package org.openoffice.accessibility.awb.tree; + +import javax.swing.tree.TreeNode; +import javax.swing.tree.MutableTreeNode; +import javax.swing.tree.DefaultMutableTreeNode; +import javax.swing.event.TreeExpansionListener; +import javax.swing.event.TreeWillExpandListener; + +import com.sun.star.accessibility.AccessibleRole; +import com.sun.star.accessibility.XAccessible; +import com.sun.star.accessibility.XAccessibleContext; + +/** + * + */ +public class DynamicAccessibilityModel extends AccessibilityModel implements TreeExpansionListener, TreeWillExpandListener { + + /* Creates a AccessibilityNode object for a window */ + protected AccessibilityNode createWindowNode(XAccessible xAccessible, + XAccessibleContext xAccessibleContext) { + if (xAccessible != null) { + // Some objects inherit XAccessible, but should not appear in + // the hierarchy as toplevels (like sub-menus), so they don't + // return an accessible context. + if (xAccessibleContext != null) { + AccessibilityNode node = new AccessibilityNode(this); + node.setUserObject(xAccessible); + node.setAccessibleContext(xAccessibleContext); + putNode(xAccessible, node); + return node; + } + } + return null; + } + + /* Creates a DynamicAccessibilityNode object */ + protected AccessibilityNode createNode(XAccessible xAccessible) { + if (xAccessible != null) { + try { + // Some objects inherit XAccessible, but should not appear in + // the hierarchy as toplevels (like sub-menus), so they don't + // return an accessible context. + XAccessibleContext xAccessibleContext = xAccessible.getAccessibleContext(); + if (xAccessibleContext != null) { + AccessibilityNode node = new DynamicAccessibilityNode(this); + node.setUserObject(xAccessible); + node.setAccessibleContext(xAccessibleContext); + putNode(xAccessible, node); + return node; + } + } catch (com.sun.star.uno.RuntimeException e) { + } + } + return null; + } + + public void treeCollapsed(javax.swing.event.TreeExpansionEvent treeExpansionEvent) { + TreeNode node = (TreeNode) treeExpansionEvent.getPath().getLastPathComponent(); + if (node instanceof DynamicAccessibilityNode) { + DynamicAccessibilityNode dynode = (DynamicAccessibilityNode) node; + dynode.clear(); + } + } + + public void treeExpanded(javax.swing.event.TreeExpansionEvent treeExpansionEvent) { + TreeNode node = (TreeNode) treeExpansionEvent.getPath().getLastPathComponent(); + if (node instanceof AccessibilityNode) { + // Calling oneway methods from an UNO thread may cause + // deadlocks, so adding the listeners here. + for (java.util.Enumeration e = node.children(); e.hasMoreElements(); ) { + ((AccessibilityNode) e.nextElement()).setAttached(true); + } + } + } + + public void treeWillCollapse(javax.swing.event.TreeExpansionEvent treeExpansionEvent) + throws javax.swing.tree.ExpandVetoException { + TreeNode node = (TreeNode) treeExpansionEvent.getPath().getLastPathComponent(); + if (node instanceof AccessibilityNode) { + // Calling oneway methods from an UNO thread may cause + // deadlocks, so adding the listeners here. + for (java.util.Enumeration e = node.children(); e.hasMoreElements(); ) { + ((AccessibilityNode) e.nextElement()).setAttached(false); + } + } + } + + public void treeWillExpand(javax.swing.event.TreeExpansionEvent treeExpansionEvent) + throws javax.swing.tree.ExpandVetoException { + TreeNode node = (TreeNode) treeExpansionEvent.getPath().getLastPathComponent(); + if (node instanceof DynamicAccessibilityNode) { + DynamicAccessibilityNode dynode = (DynamicAccessibilityNode) node; + dynode.populate(); + } + } +} |