package com.onaro.sanscreen.client.view.refresh;

import com.onaro.sanscreen.server.interfaces.util.UpdateTimeData;

public interface RefreshDataListener {
    
    /**
     * Respond to a UpdateTimeData change.
     *  
     * @param oldData the previous UpdateTimeData that is used for comparison. 
     * @param newData the new UpdateTimeData that has been reported.
     * @return a flag to indicate whether the listener responded in some way to the refresh change
     */
    boolean refreshChange(UpdateTimeData oldData, UpdateTimeData newData);
}