| /******************************************************************************* |
| * Copyright (c) 2016 SSI Schaefer 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: |
| * SSI Schaefer - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.groups; |
| |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.debug.core.IStatusHandler; |
| import org.eclipse.debug.internal.core.groups.GroupLaunchConfigurationDelegate; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| |
| /** |
| * Handles the states whenever a group launch begins, and when one is done |
| * launching. |
| * <p> |
| * The implementation uses some static variables to keep track as |
| * IStatusHandlers are instantiated from scratch for each state change. |
| * |
| * @since 3.12 |
| */ |
| public class GroupLaunchHandler implements IStatusHandler { |
| |
| private static AtomicInteger launchCounter = new AtomicInteger(0); |
| private static boolean removeLaunchesState = false; |
| |
| @Override |
| public Object handleStatus(IStatus status, Object source) throws CoreException { |
| final IPreferenceStore prefStore = DebugUIPlugin.getDefault().getPreferenceStore(); |
| |
| switch (status.getCode()) { |
| case GroupLaunchConfigurationDelegate.CODE_GROUP_LAUNCH_START: |
| int prevCount = launchCounter.getAndIncrement(); |
| if (prevCount == 0) { |
| // Have to temporarily turn off the "remove terminated |
| // launches when new one created" preference because it does |
| // not work well for group launches |
| removeLaunchesState = prefStore.getBoolean(IDebugUIConstants.PREF_AUTO_REMOVE_OLD_LAUNCHES); |
| prefStore.setValue(IDebugUIConstants.PREF_AUTO_REMOVE_OLD_LAUNCHES, false); |
| } |
| break; |
| case GroupLaunchConfigurationDelegate.CODE_GROUP_LAUNCH_DONE: |
| int newCount = launchCounter.decrementAndGet(); |
| if (newCount == 0) { |
| prefStore.setValue(IDebugUIConstants.PREF_AUTO_REMOVE_OLD_LAUNCHES, removeLaunchesState); |
| } |
| break; |
| default: |
| // unknown state... |
| break; |
| } |
| return null; |
| } |
| |
| } |