Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 130 insertions, 0 deletions

diff --git a/toolkit/test/accessibility/AccessibleTreeHandler.java b/toolkit/test/accessibility/AccessibleTreeHandler.java
new file mode 100644
index 000000000..e022dbae8
--- /dev/null
+++ b/toolkit/test/accessibility/AccessibleTreeHandler.java
@@ -0,0 +1,130 @@
+/*
+ * 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.XAccessible;
+import com.sun.star.accessibility.XAccessibleContext;
+import com.sun.star.lang.IndexOutOfBoundsException;
+
+
+/**
+ * Map the tree of accessibility objects into their
+ * AccessibilityTreeModel counterparts.
+ */
+class AccessibleTreeHandler
+    extends NodeHandler
+{
+    private XAccessibleContext mxContext;
+
+    @Override
+    public NodeHandler createHandler (XAccessibleContext xContext)
+    {
+        if (xContext != null)
+            return new AccessibleTreeHandler (xContext);
+        else
+            return null;
+    }
+
+    public AccessibleTreeHandler ()
+    {
+        super();
+        mxContext = null;
+    }
+
+    private AccessibleTreeHandler (XAccessibleContext xContext)
+    {
+        super();
+        mxContext = xContext;
+        if (mxContext != null)
+            // Add one to the number of children to include the string node
+            // that tells you how many children there are.
+            synchronized (maChildList)
+            {
+                maChildList.setSize (1 + mxContext.getAccessibleChildCount());
+            }
+    }
+
+    @Override
+    public AccessibleTreeNode createChild (AccessibleTreeNode aParent, int nIndex)
+    {
+        AccessibleTreeNode aChild = null;
+        if (mxContext != null)
+        {
+            if (nIndex == 0)
+                aChild = new StringNode ("Child count: " + mxContext.getAccessibleChildCount(),
+                    aParent);
+            else
+            {
+                // Lower index to skip the string node.
+                nIndex -= 1;
+                try
+                {
+                    XAccessible xChild = mxContext.getAccessibleChild (nIndex);
+                    aChild = NodeFactory.Instance().createDefaultNode (
+                        xChild, aParent);
+                }
+                catch( IndexOutOfBoundsException e )
+                {
+                    aChild = new StringNode ("ERROR: no child with index " + nIndex, aParent);
+                }
+            }
+        }
+        else
+            aChild = new StringNode ("XAccessibleContext interface not supported", aParent);
+        return aChild;
+    }
+
+    /** Try to add the specified accessible child into the lists of
+        children.  The insertion position is determined from the
+        getIndexInParent method of the child.
+    */
+    public AccessibleTreeNode addAccessibleChild (AccessibleTreeNode aParent, XAccessible xChild)
+    {
+        AccessibleTreeNode aChild = null;
+
+        if (xChild != null)
+        {
+            XAccessibleContext xContext = xChild.getAccessibleContext();
+            if (xContext != null)
+            {
+                int nIndex = xContext.getAccessibleIndexInParent() + 1;
+                synchronized (maChildList)
+                {
+                    if ((nIndex >= 0) || (nIndex <= maChildList.size()))
+                    {
+                        aChild = NodeFactory.Instance().createDefaultNode (xChild, aParent);
+                        maChildList.add (nIndex, aChild);
+                    }
+                }
+            }
+        }
+        return aChild;
+    }
+
+
+    /** Update only the child count node.  Trust on other ways to update the
+        accessible children.
+    */
+    @Override
+    public void update (AccessibleTreeNode aNode)
+    {
+        synchronized (maChildList)
+        {
+            maChildList.set (0, null);
+        }
+    }
+}