Example usage for java.awt SystemTray getPropertyChangeListeners

Introduction

In this page you can find the example usage for java.awt SystemTray getPropertyChangeListeners.

Prototype

public synchronized PropertyChangeListener[] getPropertyChangeListeners(String propertyName) 

Source Link

Document

Returns an array of all the listeners that have been associated with the named property.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    if (!SystemTray.isSupported()) {
        return;//  ww  w  .  j a  v  a2 s .c o  m
    }
    SystemTray tray = SystemTray.getSystemTray();

    PropertyChangeListener pcl;
    pcl = new PropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent pce) {
            System.out.println("Property changed = " + pce.getPropertyName());
            TrayIcon[] tia = (TrayIcon[]) pce.getOldValue();
            if (tia != null) {
                for (int i = 0; i < tia.length; i++)
                    System.out.println(tia[i]);
            }

            tia = (TrayIcon[]) pce.getNewValue();
            if (tia != null) {
                for (int i = 0; i < tia.length; i++)
                    System.out.println(tia[i]);
            }
        }
    };
    tray.addPropertyChangeListener("trayIcons", pcl);
    PropertyChangeListener[] listeners = tray.getPropertyChangeListeners("trayIcons");

    Dimension size = tray.getTrayIconSize();
    BufferedImage bi = new BufferedImage(size.width, size.height, BufferedImage.TYPE_INT_RGB);
    Graphics g = bi.getGraphics();

    g.setColor(Color.blue);
    g.fillRect(0, 0, size.width, size.height);
    TrayIcon icon = null;
    tray.add(icon = new TrayIcon(bi));

    Thread.sleep(3000);
    tray.remove(icon);

    Thread.sleep(3000);
    System.exit(0);
}

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