| /******************************************************************************* |
| * Copyright (c) 2000, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal; |
| |
| import org.eclipse.core.commands.common.EventManager; |
| import org.eclipse.core.runtime.SafeRunner; |
| 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); |
| } |
| SafeRunner.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) { |
| for (Object listener : getListeners()) { |
| final IPerspectiveListener perspectiveListener = (IPerspectiveListener) listener; |
| fireEvent(new SafeRunnable() { |
| @Override |
| public void run() { |
| perspectiveListener.perspectiveActivated(page, perspective); |
| } |
| }, perspectiveListener, 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) { |
| for (Object listener : getListeners()) { |
| if (listener instanceof IPerspectiveListener4) { |
| final IPerspectiveListener4 perspectiveListener = (IPerspectiveListener4) listener; |
| fireEvent(new SafeRunnable() { |
| @Override |
| public void run() { |
| perspectiveListener.perspectivePreDeactivate(page, perspective); |
| } |
| }, perspectiveListener, 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) { |
| for (Object listener : getListeners()) { |
| if (listener instanceof IPerspectiveListener3) { |
| final IPerspectiveListener3 perspectiveListener = (IPerspectiveListener3) listener; |
| fireEvent(new SafeRunnable() { |
| @Override |
| public void run() { |
| perspectiveListener.perspectiveDeactivated(page, perspective); |
| } |
| }, perspectiveListener, 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) { |
| for (Object listener : getListeners()) { |
| final IPerspectiveListener perspectiveListener = (IPerspectiveListener) listener; |
| fireEvent(new SafeRunnable() { |
| @Override |
| public void run() { |
| perspectiveListener.perspectiveChanged(page, perspective, changeId); |
| } |
| }, perspectiveListener, 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) { |
| for (Object listener : getListeners()) { |
| if (listener instanceof IPerspectiveListener2) { |
| final IPerspectiveListener2 perspectiveListener = (IPerspectiveListener2) listener; |
| fireEvent(new SafeRunnable() { |
| @Override |
| public void run() { |
| perspectiveListener.perspectiveChanged(page, perspective, partRef, changeId); |
| } |
| }, perspectiveListener, 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) { |
| for (Object listener : getListeners()) { |
| if (listener instanceof IPerspectiveListener3) { |
| final IPerspectiveListener3 perspectiveListener = (IPerspectiveListener3) listener; |
| fireEvent(new SafeRunnable() { |
| @Override |
| public void run() { |
| perspectiveListener.perspectiveClosed(page, perspective); |
| } |
| }, perspectiveListener, 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) { |
| for (Object listener : getListeners()) { |
| if (listener instanceof IPerspectiveListener3) { |
| final IPerspectiveListener3 perspectiveListener = (IPerspectiveListener3) listener; |
| fireEvent(new SafeRunnable() { |
| @Override |
| public void run() { |
| perspectiveListener.perspectiveOpened(page, perspective); |
| } |
| }, perspectiveListener, 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) { |
| for (Object listener : getListeners()) { |
| if (listener instanceof IPerspectiveListener3) { |
| final IPerspectiveListener3 perspectiveListener = (IPerspectiveListener3) listener; |
| fireEvent(new SafeRunnable() { |
| @Override |
| public void run() { |
| perspectiveListener.perspectiveSavedAs(page, oldPerspective, newPerspective); |
| } |
| }, perspectiveListener, newPerspective, "saveAs::"); //$NON-NLS-1$ |
| } |
| } |
| } |
| |
| /** |
| * Removes an IPerspectiveListener from the perspective service. |
| */ |
| public void removePerspectiveListener(IPerspectiveListener l) { |
| removeListenerObject(l); |
| } |
| } |