Example #1
0
  /** 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);
    }
  }
Example #2
0
 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();
     }
   }
 }
Example #3
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();
    }
  }