/*
* Copyright (c) 2011, grossmann
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the jo-widgets.org nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL jo-widgets.org BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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*/
package org.jowidgets.examples.swt;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public final class UiThreadAccessRuntimeExamplePlainSwt {
private UiThreadAccessRuntimeExamplePlainSwt() {}
public static void main(final String[] args) throws Exception {
final Display display = new Display();
final Shell shell = new Shell(display);
shell.setText("AsyncExecutionRuntimeExample");
final Runnable runnable = new Runnable() {
@Override
public void run() {
while (true) {
if (!display.isDisposed()) {
final long timeBeforeAsyncExec = System.currentTimeMillis();
display.asyncExec(new Runnable() {
@Override
public void run() {
if (!shell.isDisposed()) {
shell.setText(shell.getText());
}
}
});
final long timeAfterAsyncExec = System.currentTimeMillis();
final long asyncExcecDuration = timeAfterAsyncExec - timeBeforeAsyncExec;
if (asyncExcecDuration > 100) {
//CHECKSTYLE:OFF
System.out.println("Duration of async exec is: " + asyncExcecDuration);
//CHECKSTYLE:ON
}
}
try {
Thread.sleep(10);
}
catch (final InterruptedException e) {
throw new RuntimeException(e);
}
}
}
};
final Thread worker = new Thread(runnable);
worker.setDaemon(true);
worker.start();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}