/** invokes the given Runnable */
public void invoke(boolean wait, Runnable r) {
if (r == null) {
return;
}
if (NativeWindowFactory.isAWTAvailable()) {
initAWTReflection();
// handover to AWT MainThread ..
try {
if (((Boolean) ReflectionUtil.callMethod(null, mAWTIsDispatchThread, null))
.booleanValue()) {
r.run();
return;
}
if (wait) {
ReflectionUtil.callMethod(null, mAWTInvokeAndWait, new Object[] {r});
} else {
ReflectionUtil.callMethod(null, mAWTInvokeLater, new Object[] {r});
}
} catch (Exception e) {
throw new NativeWindowException(e);
}
return;
}
// if this main thread is not being used or
// if this is already the main thread .. just execute.
if (!isRunning() || mainThread == Thread.currentThread()) {
r.run();
return;
}
boolean doWait = wait && isRunning() && mainThread != Thread.currentThread();
Object lock = new Object();
RunnableTask rTask = new RunnableTask(r, doWait ? lock : null, true);
Throwable throwable = null;
synchronized (lock) {
invokeLater(rTask);
if (doWait) {
try {
lock.wait();
} catch (InterruptedException ie) {
throwable = ie;
}
}
}
if (null == throwable) {
throwable = rTask.getThrowable();
}
if (null != throwable) {
throw new RuntimeException(throwable);
}
}
public void stop() {
if (DEBUG)
System.err.println("MainThread.stop(): " + Thread.currentThread().getName() + " start");
synchronized (taskWorkerLock) {
if (isRunning) {
shouldStop = true;
}
taskWorkerLock.notifyAll();
}
if (DEBUG)
System.err.println("MainThread.stop(): " + Thread.currentThread().getName() + " end");
}
/** Your new java application main entry, which pipelines your application */
public static void main(String[] args) {
useMainThread = MAIN_THREAD_CRITERIA;
if (DEBUG)
System.err.println(
"MainThread.main(): "
+ Thread.currentThread().getName()
+ " useMainThread "
+ useMainThread);
if (args.length == 0) {
return;
}
String mainClassName = args[0];
String[] mainClassArgs = new String[args.length - 1];
if (args.length > 1) {
System.arraycopy(args, 1, mainClassArgs, 0, args.length - 1);
}
NEWTJNILibLoader.loadNEWT();
mainAction = new MainAction(mainClassName, mainClassArgs);
if (NativeWindowFactory.TYPE_MACOSX.equals(NativeWindowFactory.getNativeWindowType(false))) {
ReflectionUtil.callStaticMethod(
"com.jogamp.newt.impl.macosx.MacDisplay",
"initSingleton",
null,
null,
MainThread.class.getClassLoader());
}
if (useMainThread) {
shouldStop = false;
tasks = new ArrayList();
mainThread = Thread.currentThread();
// dispatch user's main thread ..
mainAction.start();
// do our main thread task scheduling
singletonMainThread.run();
} else {
// run user's main in this thread
mainAction.run();
}
}
public boolean isCurrentThreadEDT() {
if (NativeWindowFactory.isAWTAvailable()) {
initAWTReflection();
return ((Boolean) ReflectionUtil.callMethod(null, mAWTIsDispatchThread, null)).booleanValue();
}
return isRunning() && mainThread == Thread.currentThread();
}
private void invokeLater(Runnable task) {
synchronized (taskWorkerLock) {
if (isRunning() && mainThread != Thread.currentThread()) {
tasks.add(task);
taskWorkerLock.notifyAll();
} else {
// if !running or isEDTThread, do it right away
task.run();
}
}
}
public void run() {
if (useMainThread) {
// we have to start first to provide the service ..
singletonMainThread.waitUntilRunning();
}
// start user app ..
try {
Class mainClass = ReflectionUtil.getClass(mainClassName, true, getClass().getClassLoader());
if (null == mainClass) {
throw new RuntimeException(
new ClassNotFoundException("MainThread couldn't find main class " + mainClassName));
}
try {
mainClassMain = mainClass.getDeclaredMethod("main", new Class[] {String[].class});
mainClassMain.setAccessible(true);
} catch (Throwable t) {
throw new RuntimeException(t);
}
if (DEBUG)
System.err.println(
"MainAction.run(): " + Thread.currentThread().getName() + " invoke " + mainClassName);
mainClassMain.invoke(null, new Object[] {mainClassArgs});
} catch (InvocationTargetException ite) {
ite.getTargetException().printStackTrace();
} catch (Throwable t) {
t.printStackTrace();
}
if (DEBUG)
System.err.println(
"MainAction.run(): " + Thread.currentThread().getName() + " user app fin");
if (useMainThread) {
singletonMainThread.stop();
if (DEBUG)
System.err.println(
"MainAction.run(): " + Thread.currentThread().getName() + " MainThread fin - stop");
System.exit(0);
}
}
public void run() {
if (DEBUG) System.err.println("MainThread.run(): " + Thread.currentThread().getName());
synchronized (taskWorkerLock) {
isRunning = true;
taskWorkerLock.notifyAll();
}
while (!shouldStop) {
try {
// wait for something todo ..
synchronized (taskWorkerLock) {
while (!shouldStop && tasks.size() == 0) {
try {
taskWorkerLock.wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
// take over the tasks ..
if (!shouldStop && tasks.size() > 0) {
Runnable task = (Runnable) tasks.remove(0);
task.run(); // FIXME: could be run outside of lock
}
taskWorkerLock.notifyAll();
}
} catch (Throwable t) {
// handle errors ..
t.printStackTrace();
} finally {
// epilog - unlock locked stuff
}
}
if (DEBUG) System.err.println("MainThread.run(): " + Thread.currentThread().getName() + " fin");
synchronized (taskWorkerLock) {
isRunning = false;
isExit = true;
taskWorkerLock.notifyAll();
}
}
