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/*******************************************************************************
* Copyright (c) 2011 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.ui.swt;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.PlatformUI;
/**
* Utility providing convenience methods to use the SWT Display.
*/
public class DisplayUtil {
/**
* Does what Display does in syncExec, but ensures
* that the exec is not executed if the display is
* currently being disposed or already unset.
*
* @param exec the Runnable to be executed.
*
* @see Display#asyncExec(Runnable)
* @see Runnable#run()
*/
public static void safeSyncExec(Runnable exec){
try {
Display display = PlatformUI.getWorkbench().getDisplay();
display.syncExec(exec);
}
catch (Exception e) {
// if display is disposed, silently ignore.
}
}
/**
* Does what Display does in timerExec, but ensures
* that the exec is not executed if the display is
* currently being disposed or already unset.
*
* @param exec the Runnable to be executed.
* @param millisec time to wait.
*
* @see Display#timerExec(int, Runnable)
* @see Runnable#run()
*/
public static void safeTimerExec(Runnable exec, int millisec){
try {
Display display = PlatformUI.getWorkbench().getDisplay();
display.timerExec(millisec,exec);
}
catch (Exception e) {
// if display is disposed, silently ignore.
}
}
/**
* Does what Display does in asyncExec, but ensures
* that the exec is not executed if the display is
* currently being disposed or already unset.
*
* @param exec The Runnable to be executed.
*
* @see Display#asyncExec(Runnable)
* @see Runnable#run()
*/
public static void safeAsyncExec(Runnable exec){
try {
Display display = PlatformUI.getWorkbench().getDisplay();
display.asyncExec(exec);
}
catch (Exception e) {
// if display is disposed, silently ignore.
}
}
}
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