Examples of ae.java.awt.event.InvocationEvent

ae.java.awt.event.InvocationEvent
An event which executes the run() method on a Runnable when dispatched by the AWT event dispatcher thread. This class can be used as a reference implementation of ActiveEvent rather than declaring a new class and defining dispatch().
Instances of this class are placed on the EventQueue by calls to invokeLater and invokeAndWait. Client code can use this fact to write replacement functions for invokeLater and invokeAndWait without writing special-case code in any AWTEventListener objects.
An unspecified behavior will be caused if the {@code id} parameterof any particular {@code InvocationEvent} instance is notin the range from {@code INVOCATION_FIRST} to {@code INVOCATION_LAST}. @author Fred Ecks @author David Mendenhall @see ae.java.awt.ActiveEvent @see ae.java.awt.EventQueue#invokeLater @see ae.java.awt.EventQueue#invokeAndWait @see AWTEventListener @since 1.2

    /**
     * Should be called in response to a native mouse enter or native mouse
     * button released message. Should not be called during a mouse drag.
     */
    public void updateCursorLater(Component heavy) {
        nativeUpdater.postIfNotPending(heavy, new InvocationEvent
            (Toolkit.getDefaultToolkit(), nativeUpdater));
    }

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        }


        class AWTInvocationLock {}
        Object lock = new AWTInvocationLock();


        InvocationEvent event =
                new InvocationEvent(requester,
                                    new Runnable() {
                                        public void run() {
                                            showInputMethodMenu();
                                        }
                                    },
                                    lock,
                                    true);


        AppContext requesterAppContext = SunToolkit.targetToAppContext(requester);
        synchronized (lock) {
            SunToolkit.postEvent(requesterAppContext, event);
            lock.wait();
        }


        Throwable eventThrowable = event.getThrowable();
        if (eventThrowable != null) {
            throw new InvocationTargetException(eventThrowable);
        }
    }

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                }
            }
        };
        synchronized(notificationLock) {
            SunToolkit.postEvent(this,
                new InvocationEvent(Toolkit.getDefaultToolkit(), runnable));
            try {
                notificationLock.wait(DISPOSAL_TIMEOUT);
            } catch (InterruptedException e) { }
        }


        // Next, we post another InvocationEvent to the end of the
        // EventQueue.  When it's executed, we know we've executed all
        // events in the queue.


        runnable = new Runnable() { public void run() {
            synchronized(notificationLock) {
                notificationLock.notifyAll(); // Notify caller that we're done
            }
        } };
        synchronized(notificationLock) {
            SunToolkit.postEvent(this,
                new InvocationEvent(Toolkit.getDefaultToolkit(), runnable));
            try {
                notificationLock.wait(DISPOSAL_TIMEOUT);
            } catch (InterruptedException e) { }
        }

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Related Classes of ae.java.awt.event.InvocationEvent

ae.sun.awt.AppContext

ae.sun.awt.GlobalCursorManager

ae.sun.awt.im.ExecutableInputMethodManager

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