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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.ui;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.operation.ModalContext;
import org.eclipse.swt.custom.BusyIndicator;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class TimeoutProgressMonitorDialog extends ProgressMonitorDialog {
// the timeout
private int timeout;
// the number of currently running runnables.
private int runningRunnables = 0;
/**
* Creates a progress monitor dialog under the given shell.
* The dialog has a standard title and no image.
* <code>open</code> is non-blocking.
*
* @param parent the parent shell
* @param timeout the delay after which the dialog will be opened during a run()
*/
public TimeoutProgressMonitorDialog(Shell parent, int timeout) {
super(parent);
this.timeout = timeout;
}
/* (non-Javadoc)
* Method declared on ITeamRunnableContext.
* Runs the given <code>IRunnableWithProgress</code> with the progress monitor for this
* progress dialog. The dialog is opened before it is run, and closed after it completes.
*/
public void run(final boolean fork, boolean cancelable, final IRunnableWithProgress runnable) throws InvocationTargetException, InterruptedException {
setCancelable(cancelable);
create(); // create the Shell but don't open it yet
try {
runningRunnables++;
final Display display = getShell().getDisplay();
display.timerExec(timeout, new Runnable() {
public void run() {
Shell shell = getShell();
if (shell != null && ! shell.isDisposed()) open();
}
});
final Exception[] holder = new Exception[1];
BusyIndicator.showWhile(display, new Runnable() {
public void run() {
try {
ModalContext.run(runnable, fork, getProgressMonitor(), display);
} catch (InvocationTargetException ite) {
holder[0] = ite;
} catch (InterruptedException ie) {
holder[0] = ie;
}
}
});
if (holder[0] != null) {
if (holder[0] instanceof InvocationTargetException) {
throw (InvocationTargetException) holder[0];
} else if (holder[0] instanceof InterruptedException) {
throw (InterruptedException) holder[0];
}
}
} finally {
runningRunnables--;
close();
}
}
public boolean close() {
if (runningRunnables <= 0) return super.close();
return false;
}
}
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