| /******************************************************************************* |
| * Copyright (c) 2004, 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.progress; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * The ProgressAnimationProcessor is the processor for the animation using the |
| * system progress. |
| */ |
| class ProgressAnimationProcessor implements IAnimationProcessor { |
| |
| AnimationManager manager; |
| |
| /** |
| * Create a new instance of the receiver and listen to the animation |
| * manager. |
| * |
| * @param animationManager |
| */ |
| ProgressAnimationProcessor(AnimationManager animationManager) { |
| manager = animationManager; |
| } |
| |
| List items = Collections.synchronizedList(new ArrayList()); |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.progress.IAnimationProcessor#startAnimation(org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public void startAnimationLoop(IProgressMonitor monitor) { |
| |
| // Create an off-screen image to draw on, and a GC to draw with. |
| // Both are disposed after the animation. |
| if (items.size() == 0) { |
| return; |
| } |
| if (!PlatformUI.isWorkbenchRunning()) { |
| return; |
| } |
| |
| while (manager.isAnimated() && !monitor.isCanceled()) { |
| //Do nothing while animation is happening |
| } |
| |
| ProgressAnimationItem[] animationItems = getAnimationItems(); |
| for (int i = 0; i < animationItems.length; i++) { |
| animationItems[i].animationDone(); |
| } |
| |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.progress.IAnimationProcessor#addItem(org.eclipse.ui.internal.progress.AnimationItem) |
| */ |
| public void addItem(AnimationItem item) { |
| Assert.isTrue(item instanceof ProgressAnimationItem); |
| items.add(item); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.progress.IAnimationProcessor#removeItem(org.eclipse.ui.internal.progress.AnimationItem) |
| */ |
| public void removeItem(AnimationItem item) { |
| Assert.isTrue(item instanceof ProgressAnimationItem); |
| items.remove(item); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.progress.IAnimationProcessor#hasItems() |
| */ |
| public boolean hasItems() { |
| return items.size() > 0; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.progress.IAnimationProcessor#itemsInactiveRedraw() |
| */ |
| public void itemsInactiveRedraw() { |
| //Nothing to do here as SWT handles redraw |
| |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.progress.IAnimationProcessor#animationStarted(org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public void animationStarted() { |
| AnimationItem[] animationItems = getAnimationItems(); |
| for (int i = 0; i < animationItems.length; i++) { |
| animationItems[i].animationStart(); |
| } |
| |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.progress.IAnimationProcessor#getPreferredWidth() |
| */ |
| public int getPreferredWidth() { |
| return 30; |
| } |
| |
| /** |
| * Get the animation items currently registered for the receiver. |
| * |
| * @return ProgressAnimationItem[] |
| */ |
| private ProgressAnimationItem[] getAnimationItems() { |
| ProgressAnimationItem[] animationItems = new ProgressAnimationItem[items |
| .size()]; |
| items.toArray(animationItems); |
| return animationItems; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.progress.IAnimationProcessor#animationFinished() |
| */ |
| public void animationFinished() { |
| AnimationItem[] animationItems = getAnimationItems(); |
| for (int i = 0; i < animationItems.length; i++) { |
| animationItems[i].animationDone(); |
| } |
| |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.progress.IAnimationProcessor#isProcessorJob(org.eclipse.core.runtime.jobs.Job) |
| */ |
| public boolean isProcessorJob(Job job) { |
| // We have no jobs |
| return false; |
| } |
| |
| } |