org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/actions/context/SuspendResumeAdapter.java

/*******************************************************************************
 * Copyright (c) 2006 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.debug.internal.ui.actions.context;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.model.ISuspendResume;
import org.eclipse.debug.internal.ui.actions.provisional.IAsynchronousSuspendResumeAdapter;
import org.eclipse.debug.internal.ui.actions.provisional.IBooleanRequestMonitor;
import org.eclipse.debug.internal.ui.viewers.provisional.IAsynchronousRequestMonitor;
import org.eclipse.jface.util.Assert;

public class SuspendResumeAdapter implements IAsynchronousSuspendResumeAdapter {

    public void canResume(final Object element, final IBooleanRequestMonitor monitor) {
        Assert.isTrue(element instanceof ISuspendResume, "element must be an instance of ISuspendResume"); //$NON-NLS-1$
        Job job = new Job("canResume") { //$NON-NLS-1$
            protected IStatus run(IProgressMonitor pm) {
                if (!pm.isCanceled()) {
                    ISuspendResume suspendResume = (ISuspendResume) element;
                    monitor.setResult(suspendResume.canResume());
                    monitor.done();
                }
                return Status.OK_STATUS;
            }
        };
        job.setSystem(true);
        job.schedule();
    }

    public void canSuspend(final Object element, final IBooleanRequestMonitor monitor) {
        Assert.isTrue(element instanceof ISuspendResume, "element must be an instance of ISuspendResume"); //$NON-NLS-1$
        Job job = new Job("canSuspend") { //$NON-NLS-1$
            protected IStatus run(IProgressMonitor pm) {
                if (!pm.isCanceled()) {
                    ISuspendResume suspendResume = (ISuspendResume) element;
                    monitor.setResult(suspendResume.canSuspend());
                    monitor.done();
                }
                return Status.OK_STATUS;
            }
        };
        job.setSystem(true);
        job.schedule();
    }

    public void isSuspended(final Object element, final IBooleanRequestMonitor monitor) {
        Assert.isTrue(element instanceof ISuspendResume, "element must be an instance of ISuspendResume"); //$NON-NLS-1$
        Job job = new Job("isSuspended") { //$NON-NLS-1$
            protected IStatus run(IProgressMonitor pm) {
                if (!pm.isCanceled()) {
                    ISuspendResume suspendResume = (ISuspendResume) element;
                    monitor.setResult(suspendResume.isSuspended());
                    monitor.done();
                }
                return Status.OK_STATUS;
            }
        };
        job.setSystem(true);
        job.schedule();
    }

    public void resume(final Object element, final IAsynchronousRequestMonitor monitor) {
        Assert.isTrue(element instanceof ISuspendResume, "element must be an instance of ISuspendResume"); //$NON-NLS-1$
        Job job = new Job("resume") { //$NON-NLS-1$
            protected IStatus run(IProgressMonitor pm) {
                if (!pm.isCanceled()) {
                    ISuspendResume suspendResume = (ISuspendResume) element;
                    try {
                        suspendResume.resume();
                    } catch (DebugException e) {
                        monitor.setStatus(e.getStatus());
                    }  
                    monitor.done();
                }
                return Status.OK_STATUS;
            }
        };
        job.setSystem(true);
        job.schedule();
    }

    public void suspend(final Object element, final IAsynchronousRequestMonitor monitor) {
        Assert.isTrue(element instanceof ISuspendResume, "element must be an instance of ISuspendResume"); //$NON-NLS-1$
        Job job = new Job("suspend") { //$NON-NLS-1$
            protected IStatus run(IProgressMonitor pm) {
                if (!pm.isCanceled()) {
                    ISuspendResume suspendResume = (ISuspendResume) element;
                    try {
                        suspendResume.suspend();
                    } catch (DebugException e) {
                        monitor.setStatus(e.getStatus());
                    }  
                    monitor.done();
                }
                return Status.OK_STATUS;
            }
        };
        job.setSystem(true);
        job.schedule();
    }

}