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+/*
+ * 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.accessibility.AccessibleEventObject;
+import com.sun.star.uno.UnoRuntime;
+
+import java.io.PrintStream;
+
+import tools.NameProvider;
+
+/** Base class for handling of accessibility events.
+*/
+class EventHandler
+{
+ public EventHandler (AccessibleEventObject aEvent, AccessibilityTreeModel aTreeModel)
+ {
+ maEvent = aEvent;
+ maTreeModel = aTreeModel;
+
+ mnEventId = aEvent.EventId;
+
+ mxEventSource = UnoRuntime.queryInterface(
+ XAccessibleContext.class, aEvent.Source);
+ if (mxEventSource == null)
+ {
+ XAccessible xAccessible = UnoRuntime.queryInterface(
+ XAccessible.class, aEvent.Source);
+ if (xAccessible != null)
+ mxEventSource = xAccessible.getAccessibleContext();
+ }
+ }
+
+ public void Print (PrintStream out)
+ {
+ out.println ("Event id is " + mnEventId
+ + " (" + NameProvider.getEventName(mnEventId)+")"
+ + " for " + mxEventSource.getAccessibleName() + " / "
+ + NameProvider.getRoleName (mxEventSource.getAccessibleRole()));
+ PrintOldAndNew (out);
+ }
+
+ public void PrintOldAndNew (PrintStream out)
+ {
+ out.println (" old value is " + maEvent.OldValue);
+ out.println (" new value is " + maEvent.NewValue);
+ }
+
+ public void Process ()
+ {
+ System.out.println ("processing of event " + maEvent + " not implemented");
+ }
+
+ protected AccessibleEventObject maEvent;
+ protected AccessibilityTreeModel maTreeModel;
+
+ protected int mnEventId;
+ protected XAccessibleContext mxEventSource;
+}