bundles/org.eclipse.rap.ui.workbench/Eclipse UI/org/eclipse/ui/internal/LegacyAnimationFeedback.java

// RAP [bm]: animations
///*******************************************************************************
// * Copyright (c) 2007, 2008 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 java.util.Iterator;
//
//import org.eclipse.jface.util.Geometry;
//import org.eclipse.swt.SWT;
//import org.eclipse.swt.graphics.Color;
//import org.eclipse.swt.graphics.Rectangle;
//import org.eclipse.swt.graphics.Region;
//import org.eclipse.swt.widgets.Shell;
//
///**
// * Creates an animation feedback that will morph the start rectangle to the end rectangle
// * for AnimationEngine.
// * 
// * @since 3.3
// *
// */
//public class LegacyAnimationFeedback extends RectangleAnimationFeedbackBase {
//	private static final int LINE_WIDTH = 1;
//
//	private Region shellRegion;
//
//	public LegacyAnimationFeedback(Shell parentShell, Rectangle start,
//			Rectangle end) {
//		super(parentShell, start, end);
//	}
//
//	public void renderStep(AnimationEngine engine) {
//		if (shellRegion != null) {
//			shellRegion.dispose();
//			shellRegion = new Region(getAnimationShell().getDisplay());
//		}
//
//		// Iterate across the set of start/end rects
//		Iterator currentRects = getCurrentRects(engine.amount()).iterator();
//		while (currentRects.hasNext()) {
//			Rectangle curRect = (Rectangle) currentRects.next();
//			Rectangle rect = Geometry.toControl(getAnimationShell(), curRect);
//			shellRegion.add(rect);
//			rect.x += LINE_WIDTH;
//			rect.y += LINE_WIDTH;
//			rect.width = Math.max(0, rect.width - 2 * LINE_WIDTH);
//			rect.height = Math.max(0, rect.height - 2 * LINE_WIDTH);
//
//			shellRegion.subtract(rect);
//		}
//
//		getAnimationShell().setRegion(shellRegion);
//		getAnimationShell().getDisplay().update();
//	}
//
//	/* (non-Javadoc)
//	 * @see org.eclipse.ui.internal.AnimationFeedbackBase#initialize(org.eclipse.ui.internal.AnimationEngine)
//	 */
//	public void initialize(AnimationEngine engine) {
//		Color color = getAnimationShell().getDisplay().getSystemColor(SWT.COLOR_WIDGET_DARK_SHADOW);
//		getAnimationShell().setBackground(color);
//
//		// Ensure that the background won't show on the initial display
//		shellRegion = new Region(getAnimationShell().getDisplay());
//		getAnimationShell().setRegion(shellRegion);
//	}
//
//	/* (non-Javadoc)
//	 * @see org.eclipse.ui.internal.AnimationFeedbackBase#dispose()
//	 */
//	public void dispose() {
//		super.dispose();
//		
//		if (!shellRegion.isDisposed())
//			shellRegion.dispose();
//	}
//
//	/**
//	 * Perform any initialization you want to have happen -before- the
//	 * amination starts
//	 */
//	public boolean jobInit(AnimationEngine engine) {
//		if (!super.jobInit(engine))
//			return false;
//		
//		// Compute the shell's bounds
//		Rectangle shellBounds = Geometry.copy((Rectangle) getStartRects()
//				.get(0));
//		Iterator startIter = getStartRects().iterator();
//		Iterator endIter = getEndRects().iterator();
//		while (startIter.hasNext()) {
//			shellBounds.add((Rectangle) startIter.next());
//			shellBounds.add((Rectangle) endIter.next());
//		}
//		getAnimationShell().setBounds(shellBounds);
//		// Making the shell visible will be slow on old video cards, so only start
//		// the timer once it is visible.
//		getAnimationShell().setVisible(true);
//		
//		return true;  // OK to go...
//	}
//
//}