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/*******************************************************************************
* Copyright (c) 2007 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.ui.internal;
import org.eclipse.core.runtime.ListenerList;
import org.eclipse.ui.IPageListener;
import org.eclipse.ui.IPageService;
import org.eclipse.ui.IPerspectiveListener;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.services.IDisposable;
/**
* @since 3.4
*
*/
public class SlavePageService implements IPageService, IDisposable {
private IPageService parent;
private ListenerList pageListeners = new ListenerList(ListenerList.IDENTITY);
private ListenerList perspectiveListeners = new ListenerList(
ListenerList.IDENTITY);
public SlavePageService(IPageService parent) {
if (parent == null) {
throw new IllegalArgumentException(
"Parent IPageService cannot be null"); //$NON-NLS-1$
}
this.parent = parent;
}
@Override
public void addPageListener(IPageListener listener) {
pageListeners.add(listener);
parent.addPageListener(listener);
}
@Override
public void addPerspectiveListener(IPerspectiveListener listener) {
perspectiveListeners.add(listener);
parent.addPerspectiveListener(listener);
}
@Override
public IWorkbenchPage getActivePage() {
return parent.getActivePage();
}
@Override
public void removePageListener(IPageListener listener) {
pageListeners.remove(listener);
parent.removePageListener(listener);
}
@Override
public void removePerspectiveListener(IPerspectiveListener listener) {
perspectiveListeners.remove(listener);
parent.removePerspectiveListener(listener);
}
@Override
public void dispose() {
Object[] listeners = pageListeners.getListeners();
for(int i = 0; i < listeners.length; i++) {
parent.removePageListener((IPageListener) listeners[i]);
}
pageListeners.clear();
listeners = perspectiveListeners.getListeners();
for(int i = 0; i < listeners.length; i++) {
parent.removePerspectiveListener((IPerspectiveListener) listeners[i]);
}
perspectiveListeners.clear();
}
}
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