/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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import com.sun.star.accessibility.XAccessible;
import com.sun.star.accessibility.AccessibleEventObject;
import com.sun.star.accessibility.AccessibleEventId;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.AnyConverter;

import java.io.PrintStream;

import tools.NameProvider;

class ContextEventHandler
    extends EventHandler
{
    public ContextEventHandler (AccessibleEventObject aEvent, AccessibilityTreeModel aTreeModel)
    {
        super (aEvent, aTreeModel);
    }

    public void PrintOldAndNew (PrintStream out)
    {
        switch (mnEventId)
        {
            case AccessibleEventId.STATE_CHANGED:
                try
                {
                    int nOldValue = AnyConverter.toInt (maEvent.OldValue);
                    out.println ("    turning off state " + nOldValue + " ("
                        + NameProvider.getStateName (nOldValue) + ")");
                }
                catch (com.sun.star.lang.IllegalArgumentException e)
                {}
                try
                {
                    int nNewValue = AnyConverter.toInt (maEvent.NewValue);
                    out.println ("    turning on state " + nNewValue + " ("
                        + NameProvider.getStateName (nNewValue) + ")");
                }
                catch (com.sun.star.lang.IllegalArgumentException e)
                {}
                break;

            default:
                super.PrintOldAndNew (out);
        }

    }

    public void Process ()
    {
        maTreeModel.updateNode (mxEventSource, AccessibleContextHandler.class);
    }
}