| /******************************************************************************* |
| * Copyright (c) 2003, 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 |
| * Michael Fraenkel <fraenkel@us.ibm.com> - Fix for bug 60698 - |
| * [Progress] ConcurrentModificationException in NewProgressViewer. |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.progress; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.osgi.util.NLS; |
| |
| /** |
| * The GroupInfo is the object used to display group properties. |
| */ |
| |
| class GroupInfo extends JobTreeElement implements IProgressMonitor { |
| private List<JobInfo> infos = new ArrayList<>(); |
| private Object lock = new Object(); |
| private String taskName = ProgressMessages.SubTaskInfo_UndefinedTaskName; |
| boolean isActive; |
| double total = -1; |
| double currentWork; |
| |
| public GroupInfo() { |
| super(); |
| } |
| |
| @Override |
| boolean hasChildren() { |
| synchronized (lock) { |
| return !infos.isEmpty(); |
| } |
| } |
| |
| @Override |
| Object[] getChildren() { |
| synchronized (lock) { |
| return infos.toArray(); |
| } |
| } |
| |
| @Override |
| String getDisplayString() { |
| if (total < 0) { |
| return taskName; |
| } |
| String[] messageValues = new String[2]; |
| messageValues[0] = taskName; |
| messageValues[1] = String.valueOf(getPercentDone()); |
| return NLS.bind(ProgressMessages.JobInfo_NoTaskNameDoneMessage, messageValues); |
| } |
| |
| /** |
| * Returns an integer representing the amount of work completed. |
| * |
| * @return int |
| */ |
| int getPercentDone() { |
| return (int) (currentWork * 100 / total); |
| } |
| |
| @Override |
| boolean isJobInfo() { |
| return false; |
| } |
| |
| @Override |
| public void beginTask(String name, int totalWork) { |
| taskName = name != null && !name.isEmpty() ? name : ProgressMessages.SubTaskInfo_UndefinedTaskName; |
| total = totalWork; |
| synchronized (lock) { |
| isActive = true; |
| } |
| ProgressManager.getInstance().refreshGroup(this); |
| } |
| |
| @Override |
| public void done() { |
| synchronized (lock) { |
| isActive = false; |
| } |
| updateInProgressManager(); |
| } |
| |
| /** |
| * Updates the receiver in the progress manager. If all of the jobs are finished |
| * and the receiver is not being kept then remove it. |
| */ |
| private void updateInProgressManager() { |
| for (JobInfo info : infos) { |
| if (!(info.getJob().getState() == Job.NONE)) { |
| ProgressManager.getInstance().refreshGroup(this); |
| return; |
| } |
| } |
| |
| if (FinishedJobs.getInstance().isKept(this)) { |
| ProgressManager.getInstance().refreshGroup(this); |
| } else { |
| ProgressManager.getInstance().removeGroup(this); |
| } |
| } |
| |
| @Override |
| public void internalWorked(double work) { |
| synchronized (lock) { |
| currentWork += work; |
| } |
| } |
| |
| @Override |
| public boolean isCanceled() { |
| // Just a group so no cancel state. |
| return false; |
| } |
| |
| @Override |
| public void setCanceled(boolean value) { |
| cancel(); |
| } |
| |
| @Override |
| public void setTaskName(String name) { |
| synchronized (this) { |
| isActive = true; |
| } |
| if (name == null) { |
| taskName = ProgressMessages.SubTaskInfo_UndefinedTaskName; |
| } else { |
| taskName = name; |
| } |
| } |
| |
| @Override |
| public void subTask(String name) { |
| // Not interesting for this monitor. |
| } |
| |
| @Override |
| public void worked(int work) { |
| internalWorked(work); |
| } |
| |
| /** |
| * Removes the job from the list of jobs. |
| * |
| * @param job the job to remove from group |
| */ |
| void removeJobInfo(final JobInfo job) { |
| synchronized (lock) { |
| infos.remove(job); |
| if (infos.isEmpty()) { |
| done(); |
| } |
| } |
| } |
| |
| /** |
| * Removes the job from the list of jobs. |
| * |
| * @param job the job to add to group |
| */ |
| void addJobInfo(final JobInfo job) { |
| synchronized (lock) { |
| infos.add(job); |
| } |
| } |
| |
| @Override |
| boolean isActive() { |
| return isActive; |
| } |
| |
| @Override |
| public void cancel() { |
| for (Object jobInfo : getChildren()) { |
| ((JobInfo) jobInfo).cancel(); |
| } |
| // Call the refresh so that this is updated immediately |
| updateInProgressManager(); |
| } |
| |
| @Override |
| public boolean isCancellable() { |
| return true; |
| } |
| |
| /** |
| * Get the task name for the receiver. |
| * |
| * @return the task name |
| */ |
| String getTaskName() { |
| return taskName; |
| } |
| |
| } |