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, 108 insertions, 0 deletions

diff --git a/toolkit/test/accessibility/EventListener.java b/toolkit/test/accessibility/EventListener.java
new file mode 100644
index 000000000..5d9141953
--- /dev/null
+++ b/toolkit/test/accessibility/EventListener.java
@@ -0,0 +1,108 @@
+/*
+ * 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.*;
+
+/** Objects of this class (usually one, singleton?) listen to accessible
+    events of all objects in all trees.
+*/
+public class EventListener
+{
+    private boolean mbVerbose = false;
+
+    public EventListener (AccessibilityTreeModel aTreeModel)
+    {
+        maTreeModel = aTreeModel;
+    }
+
+
+    /** This method handles accessibility objects that are being disposed.
+     */
+    public void disposing (XAccessibleContext xContext)
+    {
+        if (mbVerbose)
+            System.out.println("disposing " + xContext);
+        maTreeModel.removeNode (xContext);
+    }
+
+    /** This method is called from accessible objects that broadcast
+        modifications of themselves or from their children.  The event is
+        processed only, except printing some messages, if the tree is not
+        locked.  It should be locked during changes to its internal
+        structure like expanding nodes.
+    */
+    public void notifyEvent (AccessibleEventObject aEvent)
+    {
+        EventHandler aHandler;
+
+        switch (aEvent.EventId)
+        {
+            case AccessibleEventId.CHILD:
+                aHandler = new ChildEventHandler (aEvent, maTreeModel);
+                break;
+
+            case AccessibleEventId.BOUNDRECT_CHANGED:
+            case AccessibleEventId.VISIBLE_DATA_CHANGED:
+                aHandler = new GeometryEventHandler (aEvent, maTreeModel);
+                break;
+
+
+            case AccessibleEventId.NAME_CHANGED:
+            case AccessibleEventId.DESCRIPTION_CHANGED:
+            case AccessibleEventId.STATE_CHANGED:
+            case AccessibleEventId.SELECTION_CHANGED:
+                aHandler = new ContextEventHandler (aEvent, maTreeModel);
+                break;
+
+            case AccessibleEventId.TABLE_MODEL_CHANGED:
+            case AccessibleEventId.TABLE_CAPTION_CHANGED:
+            case AccessibleEventId.TABLE_COLUMN_DESCRIPTION_CHANGED:
+            case AccessibleEventId.TABLE_COLUMN_HEADER_CHANGED:
+            case AccessibleEventId.TABLE_ROW_DESCRIPTION_CHANGED:
+            case AccessibleEventId.TABLE_ROW_HEADER_CHANGED:
+            case AccessibleEventId.TABLE_SUMMARY_CHANGED:
+                aHandler = new TableEventHandler (aEvent, maTreeModel);
+                break;
+
+            case AccessibleEventId.ACTION_CHANGED:
+            case AccessibleEventId.HYPERTEXT_CHANGED:
+            case AccessibleEventId.ACTIVE_DESCENDANT_CHANGED:
+            case AccessibleEventId.CARET_CHANGED:
+            case AccessibleEventId.TEXT_CHANGED:
+            case AccessibleEventId.VALUE_CHANGED:
+                aHandler = new EventHandler (aEvent, maTreeModel);
+                break;
+
+            default:
+                aHandler = null;
+                break;
+        }
+
+        if (aHandler == null)
+            System.out.println ("    unhandled event");
+        else
+        {
+            if (mbVerbose)
+                aHandler.Print (System.out);
+            aHandler.Process ();
+        }
+    }
+
+
+    private final AccessibilityTreeModel maTreeModel;
+}