| /******************************************************************************* |
| * 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.IPerspectiveDescriptor; |
| import org.eclipse.ui.IPerspectiveListener; |
| import org.eclipse.ui.IPerspectiveListener2; |
| import org.eclipse.ui.IPerspectiveListener3; |
| import org.eclipse.ui.IPerspectiveListener4; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPartReference; |
| import org.eclipse.ui.internal.misc.UIStats; |
| |
| /** |
| * Perspective listener list. |
| */ |
| public class PerspectiveListenerList extends EventManager { |
| |
| /** |
| * PerspectiveListenerList constructor comment. |
| */ |
| public PerspectiveListenerList() { |
| super(); |
| } |
| |
| /** |
| * Adds an IPerspectiveListener to the perspective service. |
| */ |
| public void addPerspectiveListener(IPerspectiveListener l) { |
| addListenerObject(l); |
| } |
| |
| /** |
| * Calls a perspective listener with associated performance event instrumentation |
| * |
| * @param runnable |
| * @param listener |
| * @param perspective |
| * @param description |
| */ |
| private void fireEvent(SafeRunnable runnable, IPerspectiveListener listener, IPerspectiveDescriptor perspective, String description) { |
| String label = null;//for debugging |
| if (UIStats.isDebugging(UIStats.NOTIFY_PERSPECTIVE_LISTENERS)) { |
| label = description + perspective.getId(); |
| UIStats.start(UIStats.NOTIFY_PERSPECTIVE_LISTENERS, label); |
| } |
| Platform.run(runnable); |
| if (UIStats.isDebugging(UIStats.NOTIFY_PERSPECTIVE_LISTENERS)) { |
| UIStats.end(UIStats.NOTIFY_PERSPECTIVE_LISTENERS, listener, label); |
| } |
| } |
| |
| /** |
| * Notifies the listener that a perspective has been activated. |
| */ |
| public void firePerspectiveActivated(final IWorkbenchPage page, |
| final IPerspectiveDescriptor perspective) { |
| Object[] array = getListeners(); |
| for (int nX = 0; nX < array.length; nX++) { |
| final IPerspectiveListener l = (IPerspectiveListener) array[nX]; |
| fireEvent(new SafeRunnable() { |
| public void run() { |
| l.perspectiveActivated(page, perspective); |
| } |
| }, l, perspective, "activated::"); //$NON-NLS-1$ |
| } |
| } |
| |
| /** |
| * Notifies the listener that a perspective has been deactivated. |
| * |
| * @since 3.2 |
| */ |
| public void firePerspectivePreDeactivate(final IWorkbenchPage page, |
| final IPerspectiveDescriptor perspective) { |
| Object[] array = getListeners(); |
| for (int nX = 0; nX < array.length; nX++) { |
| if (array[nX] instanceof IPerspectiveListener4) { |
| final IPerspectiveListener4 l4 = (IPerspectiveListener4) array[nX]; |
| fireEvent(new SafeRunnable() { |
| public void run() { |
| l4.perspectivePreDeactivate(page, perspective); |
| } |
| }, l4, perspective, "pre-deactivate::"); //$NON-NLS-1$ |
| } |
| } |
| } |
| |
| /** |
| * Notifies the listener that a perspective has been deactivated. |
| * |
| * @since 3.1 |
| */ |
| public void firePerspectiveDeactivated(final IWorkbenchPage page, |
| final IPerspectiveDescriptor perspective) { |
| Object[] array = getListeners(); |
| for (int nX = 0; nX < array.length; nX++) { |
| if (array[nX] instanceof IPerspectiveListener3) { |
| final IPerspectiveListener3 l3 = (IPerspectiveListener3) array[nX]; |
| fireEvent(new SafeRunnable() { |
| public void run() { |
| l3.perspectiveDeactivated(page, perspective); |
| } |
| }, l3, perspective, "deactivated::"); //$NON-NLS-1$ |
| } |
| } |
| } |
| |
| /** |
| * Notifies the listener that a perspective has been changed. |
| */ |
| public void firePerspectiveChanged(final IWorkbenchPage page, |
| final IPerspectiveDescriptor perspective, final String changeId) { |
| Object[] array = getListeners(); |
| for (int nX = 0; nX < array.length; nX++) { |
| final IPerspectiveListener l = (IPerspectiveListener) array[nX]; |
| fireEvent(new SafeRunnable() { |
| public void run() { |
| l.perspectiveChanged(page, perspective, changeId); |
| } |
| }, l, perspective, "changed::"); //$NON-NLS-1$ |
| } |
| } |
| |
| /** |
| * Notifies the listener that a part has been affected |
| * in the given perspective. |
| * |
| * @since 3.0 |
| */ |
| public void firePerspectiveChanged(final IWorkbenchPage page, |
| final IPerspectiveDescriptor perspective, |
| final IWorkbenchPartReference partRef, final String changeId) { |
| Object[] array = getListeners(); |
| for (int nX = 0; nX < array.length; nX++) { |
| if (array[nX] instanceof IPerspectiveListener2) { |
| final IPerspectiveListener2 l2 = (IPerspectiveListener2) array[nX]; |
| fireEvent(new SafeRunnable() { |
| public void run() { |
| l2.perspectiveChanged(page, perspective, partRef, |
| changeId); |
| } |
| }, l2, perspective, "changed::"); //$NON-NLS-1$ |
| } |
| } |
| } |
| |
| /** |
| * Notifies the listener that a perspective has been closed. |
| * |
| * @since 3.1 |
| */ |
| public void firePerspectiveClosed(final IWorkbenchPage page, |
| final IPerspectiveDescriptor perspective) { |
| Object[] array = getListeners(); |
| for (int nX = 0; nX < array.length; nX++) { |
| if (array[nX] instanceof IPerspectiveListener3) { |
| final IPerspectiveListener3 l3 = (IPerspectiveListener3) array[nX]; |
| fireEvent(new SafeRunnable() { |
| public void run() { |
| l3.perspectiveClosed(page, perspective); |
| } |
| }, l3, perspective, "closed::"); //$NON-NLS-1$ |
| } |
| } |
| } |
| |
| /** |
| * Notifies the listener that a perspective has been opened. |
| * |
| * @since 3.1 |
| */ |
| public void firePerspectiveOpened(final IWorkbenchPage page, |
| final IPerspectiveDescriptor perspective) { |
| Object[] array = getListeners(); |
| for (int nX = 0; nX < array.length; nX++) { |
| if (array[nX] instanceof IPerspectiveListener3) { |
| final IPerspectiveListener3 l3 = (IPerspectiveListener3) array[nX]; |
| fireEvent(new SafeRunnable() { |
| public void run() { |
| l3.perspectiveOpened(page, perspective); |
| } |
| }, l3, perspective, "opened::"); //$NON-NLS-1$ |
| } |
| } |
| } |
| |
| /** |
| * Notifies the listener that a perspective has been deactivated. |
| * |
| * @since 3.1 |
| */ |
| public void firePerspectiveSavedAs(final IWorkbenchPage page, |
| final IPerspectiveDescriptor oldPerspective, |
| final IPerspectiveDescriptor newPerspective) { |
| Object[] array = getListeners(); |
| for (int nX = 0; nX < array.length; nX++) { |
| if (array[nX] instanceof IPerspectiveListener3) { |
| final IPerspectiveListener3 l3 = (IPerspectiveListener3) array[nX]; |
| fireEvent(new SafeRunnable() { |
| public void run() { |
| l3.perspectiveSavedAs(page, oldPerspective, newPerspective); |
| } |
| }, l3, newPerspective, "saveAs::"); //$NON-NLS-1$ |
| } |
| } |
| } |
| |
| /** |
| * Removes an IPerspectiveListener from the perspective service. |
| */ |
| public void removePerspectiveListener(IPerspectiveListener l) { |
| removeListenerObject(l); |
| } |
| } |