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/*******************************************************************************
* Copyright (c) 2000, 2011 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.help.internal.base;
import java.lang.reflect.*;
import org.eclipse.core.runtime.*;
import org.osgi.framework.*;
/**
* Utility class to control SWT Display and event loop run in
* org.eclipse.help.ui plug-in
*/
public class DisplayUtils {
private static final String HELP_UI_PLUGIN_ID = "org.eclipse.help.ui"; //$NON-NLS-1$
private static final String LOOP_CLASS_NAME = "org.eclipse.help.ui.internal.HelpUIEventLoop"; //$NON-NLS-1$
static void runUI() {
invoke("run"); //$NON-NLS-1$
}
static void wakeupUI() {
invoke("wakeup"); //$NON-NLS-1$
}
static void waitForDisplay() {
invoke("waitFor"); //$NON-NLS-1$
}
private static void invoke(String method) {
try {
Bundle bundle = Platform.getBundle(HELP_UI_PLUGIN_ID);
if (bundle == null) {
return;
}
Class<?> c = bundle.loadClass(LOOP_CLASS_NAME);
Method m = c.getMethod(method, new Class[]{});
m.invoke(null, new Object[]{});
} catch (Exception e) {
}
}
}
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