java类java.awt.event.WindowStateListener的实例源码

public static void main(String[] args) {
    Robot robot = Util.createRobot();

    Frame testFrame = new Frame("Test Frame");
    testFrame.setSize(200, 200);
    testFrame.addWindowStateListener(new WindowStateListener() {
        @Override
        public void windowStateChanged(WindowEvent e) {
            listenerNotified.set(true);
            synchronized (listenerNotified) {
                listenerNotified.notifyAll();
            }
        }
    });
    testFrame.setVisible(true);

    Frame mainFrame = new Frame("Main Frame");
    mainFrame.setSize(200, 200);
    mainFrame.setLocationRelativeTo(null);
    mainFrame.setVisible(true);

    Util.waitForIdle(robot);

    try {
        Util.clickOnComp(mainFrame, robot);
        Util.waitForIdle(robot);

        // NORMAL -> ICONIFIED
        listenerNotified.set(false);
        testFrame.setExtendedState(Frame.ICONIFIED);
        Util.waitForIdle(robot);

        Util.waitForCondition(listenerNotified, 2000);
        if (!listenerNotified.get()) {
            throw new RuntimeException("Test FAILED! Window state listener was not notified during NORMAL to" +
                    "ICONIFIED transition");
        }
        if (testFrame.getExtendedState() != Frame.ICONIFIED) {
            throw new RuntimeException("Test FAILED! Frame is not in ICONIFIED state");
        }

        // ICONIFIED -> NORMAL
        listenerNotified.set(false);
        testFrame.setExtendedState(Frame.NORMAL);
        Util.waitForIdle(robot);

        Util.waitForCondition(listenerNotified, 2000);
        if (!listenerNotified.get()) {
            throw new RuntimeException("Test FAILED! Window state listener was not notified during ICONIFIED to" +
                    "NORMAL transition");
        }
        if (testFrame.getExtendedState() != Frame.NORMAL) {
            throw new RuntimeException("Test FAILED! Frame is not in NORMAL state");
        }
    } finally {
        testFrame.dispose();
        mainFrame.dispose();
    }
}

public synchronized void addWindowStateListener(WindowStateListener l) {
    if (l == null) {
        return;
    }
    list.add(WindowStateListener.class, l);
}

public synchronized void removeWindowStateListener(WindowStateListener l) {
    if (l == null) {
        return;
    }
    list.remove(WindowStateListener.class, l);
}

public synchronized WindowStateListener[] getWindowStateListeners() {
    return getListeners(WindowStateListener.class);
}

public static WindowStateListener add(WindowStateListener a, WindowStateListener b) {
    return (WindowStateListener) addInternal(a, b);
}

public static WindowStateListener remove(WindowStateListener l, WindowStateListener oldl) {
    return (WindowStateListener) removeInternal(l, oldl);
}

public void addWindowStateListener(WindowStateListener l) {
    windowStateListeners.addUserListener(l);
}

public WindowStateListener[] getWindowStateListeners() {
    return windowStateListeners.getUserListeners(new WindowStateListener[0]);
}

public void removeWindowStateListener(WindowStateListener l) {
    windowStateListeners.removeUserListener(l);
}

public static WindowStateListener add(WindowStateListener a, WindowStateListener b) {
    return (WindowStateListener) addInternal(a, b);
}