| /******************************************************************************* |
| * Copyright (c) 2000, 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.ui.internal; |
| |
| import org.eclipse.core.commands.common.EventManager; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.jface.util.SafeRunnable; |
| import org.eclipse.ui.IPageListener; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.internal.misc.UIStats; |
| |
| /** |
| * Part listener list. |
| */ |
| public class PageListenerList extends EventManager { |
| |
| /** |
| * PartNotifier constructor comment. |
| */ |
| public PageListenerList() { |
| super(); |
| } |
| |
| /** |
| * Adds an IPartListener to the part service. |
| */ |
| public void addPageListener(IPageListener l) { |
| addListenerObject(l); |
| } |
| |
| /** |
| * Calls a page listener with associated performance event instrumentation |
| * |
| * @param runnable |
| * @param listener |
| * @param page |
| * @param description |
| */ |
| private void fireEvent(SafeRunnable runnable, IPageListener listener, IWorkbenchPage page, String description) { |
| String label = null;//for debugging |
| if (UIStats.isDebugging(UIStats.NOTIFY_PAGE_LISTENERS)) { |
| label = description + page.getLabel(); |
| UIStats.start(UIStats.NOTIFY_PAGE_LISTENERS, label); |
| } |
| Platform.run(runnable); |
| if (UIStats.isDebugging(UIStats.NOTIFY_PAGE_LISTENERS)) { |
| UIStats.end(UIStats.NOTIFY_PAGE_LISTENERS, listener, label); |
| } |
| } |
| |
| /** |
| * Notifies the listener that a part has been activated. |
| */ |
| public void firePageActivated(final IWorkbenchPage page) { |
| Object[] array = getListeners(); |
| for (int i = 0; i < array.length; i++) { |
| final IPageListener l = (IPageListener) array[i]; |
| fireEvent(new SafeRunnable() { |
| public void run() { |
| l.pageActivated(page); |
| } |
| }, l, page, "activated::"); //$NON-NLS-1$ |
| } |
| } |
| |
| /** |
| * Notifies the listener that a part has been closed |
| */ |
| public void firePageClosed(final IWorkbenchPage page) { |
| Object[] array = getListeners(); |
| for (int i = 0; i < array.length; i++) { |
| final IPageListener l = (IPageListener) array[i]; |
| fireEvent(new SafeRunnable() { |
| public void run() { |
| l.pageClosed(page); |
| } |
| }, l, page, "closed::"); //$NON-NLS-1$ |
| } |
| } |
| |
| /** |
| * Notifies the listener that a part has been opened. |
| */ |
| public void firePageOpened(final IWorkbenchPage page) { |
| Object[] listeners = getListeners(); |
| for (int i = 0; i < listeners.length; i++) { |
| final IPageListener l = (IPageListener) listeners[i]; |
| fireEvent(new SafeRunnable() { |
| public void run() { |
| l.pageOpened(page); |
| } |
| }, l, page, "opened::"); //$NON-NLS-1$ |
| } |
| } |
| |
| /** |
| * Removes an IPartListener from the part service. |
| */ |
| public void removePageListener(IPageListener l) { |
| removeListenerObject(l); |
| } |
| } |