org.eclipse.mylyn.commons.ui/src/org/eclipse/mylyn/commons/ui/dialogs/AbstractNotificationPopup.java - mylyn/org.eclipse.mylyn.commons - Git at Google

 /*******************************************************************************
  * Copyright (c) 2004, 2009 Tasktop Technologies 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:
  *     Benjamin Pasero - initial API and implementation
  *     Tasktop Technologies - initial API and implementation
  *******************************************************************************/

 package org.eclipse.mylyn.commons.ui.dialogs;

 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.core.runtime.jobs.Job;
 import org.eclipse.jface.resource.JFaceResources;
 import org.eclipse.jface.resource.LocalResourceManager;
 import org.eclipse.jface.window.Window;
 import org.eclipse.mylyn.commons.ui.CommonImages;
 import org.eclipse.mylyn.commons.ui.CommonUiUtil;
 import org.eclipse.mylyn.commons.ui.GradientColors;
 import org.eclipse.mylyn.commons.ui.compatibility.CommonFonts;
 import org.eclipse.mylyn.internal.commons.ui.AnimationUtil;
 import org.eclipse.mylyn.internal.commons.ui.AnimationUtil.FadeJob;
 import org.eclipse.mylyn.internal.commons.ui.AnimationUtil.IFadeListener;
 import org.eclipse.mylyn.internal.commons.ui.Messages;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ControlAdapter;
 import org.eclipse.swt.events.ControlEvent;
 import org.eclipse.swt.events.MouseAdapter;
 import org.eclipse.swt.events.MouseEvent;
 import org.eclipse.swt.events.MouseTrackAdapter;
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.GC;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.graphics.Region;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Monitor;
 import org.eclipse.swt.widgets.Shell;

 /**
  * A popup window with a title bar and message area for displaying notifications.
  *
  * @author Benjamin Pasero
  * @author Mik Kersten
  * @author Steffen Pingel
  * @since 3.7
  */
 public abstract class AbstractNotificationPopup extends Window {

 	private static final int TITLE_HEIGHT = 24;

 	private static final String LABEL_NOTIFICATION = Messages.AbstractNotificationPopup_Notification;

 	private static final String LABEL_JOB_CLOSE = Messages.AbstractNotificationPopup_Close_Notification_Job;

 	private static final int MAX_WIDTH = 400;

 	private static final int MIN_HEIGHT = 100;

 	private static final long DEFAULT_DELAY_CLOSE = 8 * 1000;

 	private static final int PADDING_EDGE = 5;

 	private long delayClose = DEFAULT_DELAY_CLOSE;

 	protected LocalResourceManager resources;

 	private GradientColors color;

 	private final Display display;

 	private Shell shell;

 	private Region lastUsedRegion;

 	private Image lastUsedBgImage;

 	private final Job closeJob = new Job(LABEL_JOB_CLOSE) {

 		@Override
 		protected IStatus run(IProgressMonitor monitor) {
 			if (!display.isDisposed()) {
 				display.asyncExec(new Runnable() {
 					public void run() {
 						Shell shell = AbstractNotificationPopup.this.getShell();
 						if (shell == null || shell.isDisposed()) {
 							return;
 						}

 						if (isMouseOver(shell)) {
 							scheduleAutoClose();
 							return;
 						}

 						AbstractNotificationPopup.this.closeFade();
 					}

 				});
 			}
 			if (monitor.isCanceled()) {
 				return Status.CANCEL_STATUS;
 			}

 			return Status.OK_STATUS;
 		}
 	};

 	private final boolean respectDisplayBounds = true;

 	private final boolean respectMonitorBounds = true;

 	private FadeJob fadeJob;

 	private boolean fadingEnabled;

 	public AbstractNotificationPopup(Display display) {
 		this(display, SWT.NO_TRIM | SWT.ON_TOP | SWT.NO_FOCUS | SWT.TOOL);
 	}

 	public AbstractNotificationPopup(Display display, int style) {
 		super(new Shell(display));
 		setShellStyle(style);

 		this.display = display;
 		resources = new LocalResourceManager(JFaceResources.getResources());
 		initResources();

 		closeJob.setSystem(true);
 	}

 	public boolean isFadingEnabled() {
 		return fadingEnabled;
 	}

 	public void setFadingEnabled(boolean fadingEnabled) {
 		this.fadingEnabled = fadingEnabled;
 	}

 	/**
 	 * Override to return a customized name. Default is to return the name of the product, specified by the -name (e.g.
 	 * "Eclipse SDK") command line parameter that's associated with the product ID (e.g. "org.eclipse.sdk.ide"). Strips
 	 * the trailing "SDK" for any name, since this part of the label is considered visual noise.
 	 *
 	 * @return the name to be used in the title of the popup.
 	 */
 	protected String getPopupShellTitle() {
 		String productName = CommonUiUtil.getProductName();
 		if (productName != null) {
 			return productName + " " + LABEL_NOTIFICATION; //$NON-NLS-1$
 		} else {
 			return LABEL_NOTIFICATION;
 		}
 	}

 	protected Image getPopupShellImage(int maximumHeight) {
 		return null;
 	}

 	/**
 	 * Override to populate with notifications.
 	 *
 	 * @param parent
 	 */
 	protected void createContentArea(Composite parent) {
 		// empty by default
 	}

 	/**
 	 * Override to customize the title bar
 	 */
 	protected void createTitleArea(Composite parent) {
 		((GridData) parent.getLayoutData()).heightHint = TITLE_HEIGHT;

 		Label titleImageLabel = new Label(parent, SWT.NONE);
 		titleImageLabel.setImage(getPopupShellImage(TITLE_HEIGHT));

 		Label titleTextLabel = new Label(parent, SWT.NONE);
 		titleTextLabel.setText(getPopupShellTitle());
 		titleTextLabel.setFont(CommonFonts.BOLD);
 		titleTextLabel.setForeground(getTitleForeground());
 //		titleTextLabel.setForeground(color.getTitleText());
 		titleTextLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, true));
 		titleTextLabel.setCursor(parent.getDisplay().getSystemCursor(SWT.CURSOR_HAND));

 		final Label button = new Label(parent, SWT.NONE);
 		button.setImage(CommonImages.getImage(CommonImages.NOTIFICATION_CLOSE));
 		button.addMouseTrackListener(new MouseTrackAdapter() {
 			@Override
 			public void mouseEnter(MouseEvent e) {
 				button.setImage(CommonImages.getImage(CommonImages.NOTIFICATION_CLOSE_HOVER));
 			}

 			@Override
 			public void mouseExit(MouseEvent e) {
 				button.setImage(CommonImages.getImage(CommonImages.NOTIFICATION_CLOSE));
 			}
 		});
 		button.addMouseListener(new MouseAdapter() {

 			@Override
 			public void mouseUp(MouseEvent e) {
 				close();
 				setReturnCode(CANCEL);
 			}

 		});
 	}

 	protected Color getTitleForeground() {
 		return color.getTitleText();
 	}

 	private void initResources() {
 		color = new GradientColors(display, resources);
 	}

 	@Override
 	protected void configureShell(Shell newShell) {
 		super.configureShell(newShell);

 		shell = newShell;
 		newShell.setBackground(color.getBorder());
 	}

 	@Override
 	public void create() {
 		super.create();
 		addRegion(shell);
 	}

 	private void addRegion(Shell shell) {
 		Region region = new Region();
 		Point s = shell.getSize();

 		/* Add entire Shell */
 		region.add(0, 0, s.x, s.y);

 		/* Subtract Top-Left Corner */
 		region.subtract(0, 0, 5, 1);
 		region.subtract(0, 1, 3, 1);
 		region.subtract(0, 2, 2, 1);
 		region.subtract(0, 3, 1, 1);
 		region.subtract(0, 4, 1, 1);

 		/* Subtract Top-Right Corner */
 		region.subtract(s.x - 5, 0, 5, 1);
 		region.subtract(s.x - 3, 1, 3, 1);
 		region.subtract(s.x - 2, 2, 2, 1);
 		region.subtract(s.x - 1, 3, 1, 1);
 		region.subtract(s.x - 1, 4, 1, 1);

 		/* Subtract Bottom-Left Corner */
 		region.subtract(0, s.y, 5, 1);
 		region.subtract(0, s.y - 1, 3, 1);
 		region.subtract(0, s.y - 2, 2, 1);
 		region.subtract(0, s.y - 3, 1, 1);
 		region.subtract(0, s.y - 4, 1, 1);

 		/* Subtract Bottom-Right Corner */
 		region.subtract(s.x - 5, s.y - 0, 5, 1);
 		region.subtract(s.x - 3, s.y - 1, 3, 1);
 		region.subtract(s.x - 2, s.y - 2, 2, 1);
 		region.subtract(s.x - 1, s.y - 3, 1, 1);
 		region.subtract(s.x - 1, s.y - 4, 1, 1);

 		/* Dispose old first */
 		if (shell.getRegion() != null) {
 			shell.getRegion().dispose();
 		}

 		/* Apply Region */
 		shell.setRegion(region);

 		/* Remember to dispose later */
 		lastUsedRegion = region;
 	}

 	private boolean isMouseOver(Shell shell) {
 		if (display.isDisposed()) {
 			return false;
 		}
 		return shell.getBounds().contains(display.getCursorLocation());
 	}

 	@Override
 	public int open() {
 		if (shell == null || shell.isDisposed()) {
 			shell = null;
 			create();
 		}

 		constrainShellSize();
 		shell.setLocation(fixupDisplayBounds(shell.getSize(), shell.getLocation()));

 		if (isFadingEnabled()) {
 			shell.setAlpha(0);
 		}
 		shell.setVisible(true);
 		fadeJob = AnimationUtil.fadeIn(shell, new IFadeListener() {
 			public void faded(Shell shell, int alpha) {
 				if (shell.isDisposed()) {
 					return;
 				}

 				if (alpha == 255) {
 					scheduleAutoClose();
 				}
 			}
 		});

 		return Window.OK;
 	}

 	protected void scheduleAutoClose() {
 		if (delayClose > 0) {
 			closeJob.schedule(delayClose);
 		}
 	}

 	@Override
 	protected Control createContents(Composite parent) {
 		((GridLayout) parent.getLayout()).marginWidth = 1;
 		((GridLayout) parent.getLayout()).marginHeight = 1;

 		/* Outer Composite holding the controls */
 		final Composite outerCircle = new Composite(parent, SWT.NO_FOCUS);
 		outerCircle.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 		outerCircle.setBackgroundMode(SWT.INHERIT_NONE);

 		outerCircle.addControlListener(new ControlAdapter() {

 			@Override
 			public void controlResized(ControlEvent e) {
 				Rectangle clArea = outerCircle.getClientArea();
 				lastUsedBgImage = new Image(outerCircle.getDisplay(), clArea.width, clArea.height);
 				GC gc = new GC(lastUsedBgImage);

 				/* Gradient */
 				drawGradient(gc, clArea);

 				/* Fix Region Shape */
 				fixRegion(gc, clArea);

 				gc.dispose();

 				Image oldBGImage = outerCircle.getBackgroundImage();
 				outerCircle.setBackgroundImage(lastUsedBgImage);

 				if (oldBGImage != null) {
 					oldBGImage.dispose();
 				}
 			}

 			private void drawGradient(GC gc, Rectangle clArea) {
 				gc.setForeground(color.getGradientBegin());
 				gc.setBackground(color.getGradientEnd());
 				gc.fillGradientRectangle(clArea.x, clArea.y, clArea.width, clArea.height, true);
 			}

 			private void fixRegion(GC gc, Rectangle clArea) {
 				gc.setForeground(color.getBorder());

 				/* Fill Top Left */
 				gc.drawPoint(2, 0);
 				gc.drawPoint(3, 0);
 				gc.drawPoint(1, 1);
 				gc.drawPoint(0, 2);
 				gc.drawPoint(0, 3);

 				/* Fill Top Right */
 				gc.drawPoint(clArea.width - 4, 0);
 				gc.drawPoint(clArea.width - 3, 0);
 				gc.drawPoint(clArea.width - 2, 1);
 				gc.drawPoint(clArea.width - 1, 2);
 				gc.drawPoint(clArea.width - 1, 3);

 				/* Fill Bottom Left */
 				gc.drawPoint(2, clArea.height - 0);
 				gc.drawPoint(3, clArea.height - 0);
 				gc.drawPoint(1, clArea.height - 1);
 				gc.drawPoint(0, clArea.height - 2);
 				gc.drawPoint(0, clArea.height - 3);

 				/* Fill Bottom Right */
 				gc.drawPoint(clArea.width - 4, clArea.height - 0);
 				gc.drawPoint(clArea.width - 3, clArea.height - 0);
 				gc.drawPoint(clArea.width - 2, clArea.height - 1);
 				gc.drawPoint(clArea.width - 1, clArea.height - 2);
 				gc.drawPoint(clArea.width - 1, clArea.height - 3);
 			}
 		});

 		GridLayout layout = new GridLayout(1, false);
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		layout.verticalSpacing = 0;

 		outerCircle.setLayout(layout);

 		/* Title area containing label and close button */
 		final Composite titleCircle = new Composite(outerCircle, SWT.NO_FOCUS);
 		titleCircle.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
 		titleCircle.setBackgroundMode(SWT.INHERIT_FORCE);

 		layout = new GridLayout(4, false);
 		layout.marginWidth = 3;
 		layout.marginHeight = 0;
 		layout.verticalSpacing = 5;
 		layout.horizontalSpacing = 3;

 		titleCircle.setLayout(layout);

 		/* Create Title Area */
 		createTitleArea(titleCircle);

 		/* Outer composite to hold content controlls */
 		Composite outerContentCircle = new Composite(outerCircle, SWT.NONE);
 		outerContentCircle.setBackgroundMode(SWT.INHERIT_FORCE);

 		layout = new GridLayout(1, false);
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;

 		outerContentCircle.setLayout(layout);
 		outerContentCircle.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 		outerContentCircle.setBackground(outerCircle.getBackground());

 		/* Middle composite to show a 1px black line around the content controls */
 		Composite middleContentCircle = new Composite(outerContentCircle, SWT.NO_FOCUS);
 		middleContentCircle.setBackgroundMode(SWT.INHERIT_FORCE);

 		layout = new GridLayout(1, false);
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		layout.marginTop = 1;

 		middleContentCircle.setLayout(layout);
 		middleContentCircle.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 		middleContentCircle.setBackground(color.getBorder());

 		/* Inner composite containing the content controls */
 		Composite innerContent = new Composite(middleContentCircle, SWT.NO_FOCUS);
 		innerContent.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 		innerContent.setBackgroundMode(SWT.INHERIT_FORCE);

 		layout = new GridLayout(1, false);
 		layout.marginWidth = 0;
 		layout.marginHeight = 5;
 		layout.marginLeft = 5;
 		layout.marginRight = 5;
 		innerContent.setLayout(layout);

 		innerContent.setBackground(shell.getDisplay().getSystemColor(SWT.COLOR_WHITE));

 		/* Content Area */
 		createContentArea(innerContent);

 		setNullBackground(outerCircle);

 		return outerCircle;
 	}

 	private void setNullBackground(final Composite outerCircle) {
 		for (Control c : outerCircle.getChildren()) {
 			c.setBackground(null);
 			if (c instanceof Composite) {
 				setNullBackground((Composite) c);
 			}
 		}
 	}

 	@Override
 	protected void initializeBounds() {
 		Rectangle clArea = getPrimaryClientArea();
 		Point initialSize = shell.computeSize(SWT.DEFAULT, SWT.DEFAULT);
 		int height = Math.max(initialSize.y, MIN_HEIGHT);
 		int width = Math.min(initialSize.x, MAX_WIDTH);

 		Point size = new Point(width, height);
 		shell.setLocation(clArea.width + clArea.x - size.x - PADDING_EDGE, clArea.height + clArea.y - size.y
 				- PADDING_EDGE);
 		shell.setSize(size);
 	}

 	private Rectangle getPrimaryClientArea() {
 		Monitor primaryMonitor = shell.getDisplay().getPrimaryMonitor();
 		return (primaryMonitor != null) ? primaryMonitor.getClientArea() : shell.getDisplay().getClientArea();
 	}

 	public void closeFade() {
 		if (fadeJob != null) {
 			fadeJob.cancelAndWait(false);
 		}
 		fadeJob = AnimationUtil.fadeOut(getShell(), new IFadeListener() {
 			public void faded(Shell shell, int alpha) {
 				if (!shell.isDisposed()) {
 					if (alpha == 0) {
 						shell.close();
 					} else if (isMouseOver(shell)) {
 						if (fadeJob != null) {
 							fadeJob.cancelAndWait(false);
 						}
 						fadeJob = AnimationUtil.fastFadeIn(shell, new IFadeListener() {
 							public void faded(Shell shell, int alpha) {
 								if (shell.isDisposed()) {
 									return;
 								}

 								if (alpha == 255) {
 									scheduleAutoClose();
 								}
 							}
 						});
 					}
 				}
 			}
 		});
 	}

 	@Override
 	public boolean close() {
 		resources.dispose();
 		if (lastUsedRegion != null) {
 			lastUsedRegion.dispose();
 		}
 		if (lastUsedBgImage != null && !lastUsedBgImage.isDisposed()) {
 			lastUsedBgImage.dispose();
 		}
 		return super.close();
 	}

 	public long getDelayClose() {
 		return delayClose;
 	}

 	public void setDelayClose(long delayClose) {
 		this.delayClose = delayClose;
 	}

 	private Point fixupDisplayBounds(Point tipSize, Point location) {
 		if (respectDisplayBounds) {
 			Rectangle bounds;
 			Point rightBounds = new Point(tipSize.x + location.x, tipSize.y + location.y);

 			if (respectMonitorBounds) {
 				bounds = shell.getDisplay().getPrimaryMonitor().getBounds();
 			} else {
 				bounds = getPrimaryClientArea();
 			}

 			if (!(bounds.contains(location) && bounds.contains(rightBounds))) {
 				if (rightBounds.x > bounds.x + bounds.width) {
 					location.x -= rightBounds.x - (bounds.x + bounds.width);
 				}

 				if (rightBounds.y > bounds.y + bounds.height) {
 					location.y -= rightBounds.y - (bounds.y + bounds.height);
 				}

 				if (location.x < bounds.x) {
 					location.x = bounds.x;
 				}

 				if (location.y < bounds.y) {
 					location.y = bounds.y;
 				}
 			}
 		}

 		return location;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2004, 2009 Tasktop Technologies 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:
	* Benjamin Pasero - initial API and implementation
	* Tasktop Technologies - initial API and implementation
	*******************************************************************************/

	package org.eclipse.mylyn.commons.ui.dialogs;

	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.core.runtime.jobs.Job;
	import org.eclipse.jface.resource.JFaceResources;
	import org.eclipse.jface.resource.LocalResourceManager;
	import org.eclipse.jface.window.Window;
	import org.eclipse.mylyn.commons.ui.CommonImages;
	import org.eclipse.mylyn.commons.ui.CommonUiUtil;
	import org.eclipse.mylyn.commons.ui.GradientColors;
	import org.eclipse.mylyn.commons.ui.compatibility.CommonFonts;
	import org.eclipse.mylyn.internal.commons.ui.AnimationUtil;
	import org.eclipse.mylyn.internal.commons.ui.AnimationUtil.FadeJob;
	import org.eclipse.mylyn.internal.commons.ui.AnimationUtil.IFadeListener;
	import org.eclipse.mylyn.internal.commons.ui.Messages;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ControlAdapter;
	import org.eclipse.swt.events.ControlEvent;
	import org.eclipse.swt.events.MouseAdapter;
	import org.eclipse.swt.events.MouseEvent;
	import org.eclipse.swt.events.MouseTrackAdapter;
	import org.eclipse.swt.graphics.Color;
	import org.eclipse.swt.graphics.GC;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.graphics.Point;
	import org.eclipse.swt.graphics.Rectangle;
	import org.eclipse.swt.graphics.Region;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Monitor;
	import org.eclipse.swt.widgets.Shell;

	/**
	* A popup window with a title bar and message area for displaying notifications.
	*
	* @author Benjamin Pasero
	* @author Mik Kersten
	* @author Steffen Pingel
	* @since 3.7
	*/
	public abstract class AbstractNotificationPopup extends Window {

	private static final int TITLE_HEIGHT = 24;

	private static final String LABEL_NOTIFICATION = Messages.AbstractNotificationPopup_Notification;

	private static final String LABEL_JOB_CLOSE = Messages.AbstractNotificationPopup_Close_Notification_Job;

	private static final int MAX_WIDTH = 400;

	private static final int MIN_HEIGHT = 100;

	private static final long DEFAULT_DELAY_CLOSE = 8 * 1000;

	private static final int PADDING_EDGE = 5;

	private long delayClose = DEFAULT_DELAY_CLOSE;

	protected LocalResourceManager resources;

	private GradientColors color;

	private final Display display;

	private Shell shell;

	private Region lastUsedRegion;

	private Image lastUsedBgImage;

	private final Job closeJob = new Job(LABEL_JOB_CLOSE) {

	@Override
	protected IStatus run(IProgressMonitor monitor) {
	if (!display.isDisposed()) {
	display.asyncExec(new Runnable() {
	public void run() {
	Shell shell = AbstractNotificationPopup.this.getShell();
	if (shell == null \|\| shell.isDisposed()) {
	return;
	}

	if (isMouseOver(shell)) {
	scheduleAutoClose();
	return;
	}

	AbstractNotificationPopup.this.closeFade();
	}

	});
	}
	if (monitor.isCanceled()) {
	return Status.CANCEL_STATUS;
	}

	return Status.OK_STATUS;
	}
	};

	private final boolean respectDisplayBounds = true;

	private final boolean respectMonitorBounds = true;

	private FadeJob fadeJob;

	private boolean fadingEnabled;

	public AbstractNotificationPopup(Display display) {
	this(display, SWT.NO_TRIM \| SWT.ON_TOP \| SWT.NO_FOCUS \| SWT.TOOL);
	}

	public AbstractNotificationPopup(Display display, int style) {
	super(new Shell(display));
	setShellStyle(style);

	this.display = display;
	resources = new LocalResourceManager(JFaceResources.getResources());
	initResources();

	closeJob.setSystem(true);
	}

	public boolean isFadingEnabled() {
	return fadingEnabled;
	}

	public void setFadingEnabled(boolean fadingEnabled) {
	this.fadingEnabled = fadingEnabled;
	}

	/**
	* Override to return a customized name. Default is to return the name of the product, specified by the -name (e.g.
	* "Eclipse SDK") command line parameter that's associated with the product ID (e.g. "org.eclipse.sdk.ide"). Strips
	* the trailing "SDK" for any name, since this part of the label is considered visual noise.
	*
	* @return the name to be used in the title of the popup.
	*/
	protected String getPopupShellTitle() {
	String productName = CommonUiUtil.getProductName();
	if (productName != null) {
	return productName + " " + LABEL_NOTIFICATION; //$NON-NLS-1$
	} else {
	return LABEL_NOTIFICATION;
	}
	}

	protected Image getPopupShellImage(int maximumHeight) {
	return null;
	}

	/**
	* Override to populate with notifications.
	*
	* @param parent
	*/
	protected void createContentArea(Composite parent) {
	// empty by default
	}

	/**
	* Override to customize the title bar
	*/
	protected void createTitleArea(Composite parent) {
	((GridData) parent.getLayoutData()).heightHint = TITLE_HEIGHT;

	Label titleImageLabel = new Label(parent, SWT.NONE);
	titleImageLabel.setImage(getPopupShellImage(TITLE_HEIGHT));

	Label titleTextLabel = new Label(parent, SWT.NONE);
	titleTextLabel.setText(getPopupShellTitle());
	titleTextLabel.setFont(CommonFonts.BOLD);
	titleTextLabel.setForeground(getTitleForeground());
	// titleTextLabel.setForeground(color.getTitleText());
	titleTextLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, true));
	titleTextLabel.setCursor(parent.getDisplay().getSystemCursor(SWT.CURSOR_HAND));

	final Label button = new Label(parent, SWT.NONE);
	button.setImage(CommonImages.getImage(CommonImages.NOTIFICATION_CLOSE));
	button.addMouseTrackListener(new MouseTrackAdapter() {
	@Override
	public void mouseEnter(MouseEvent e) {
	button.setImage(CommonImages.getImage(CommonImages.NOTIFICATION_CLOSE_HOVER));
	}

	@Override
	public void mouseExit(MouseEvent e) {
	button.setImage(CommonImages.getImage(CommonImages.NOTIFICATION_CLOSE));
	}
	});
	button.addMouseListener(new MouseAdapter() {

	@Override
	public void mouseUp(MouseEvent e) {
	close();
	setReturnCode(CANCEL);
	}

	});
	}

	protected Color getTitleForeground() {
	return color.getTitleText();
	}

	private void initResources() {
	color = new GradientColors(display, resources);
	}

	@Override
	protected void configureShell(Shell newShell) {
	super.configureShell(newShell);

	shell = newShell;
	newShell.setBackground(color.getBorder());
	}

	@Override
	public void create() {
	super.create();
	addRegion(shell);
	}

	private void addRegion(Shell shell) {
	Region region = new Region();
	Point s = shell.getSize();

	/* Add entire Shell */
	region.add(0, 0, s.x, s.y);

	/* Subtract Top-Left Corner */
	region.subtract(0, 0, 5, 1);
	region.subtract(0, 1, 3, 1);
	region.subtract(0, 2, 2, 1);
	region.subtract(0, 3, 1, 1);
	region.subtract(0, 4, 1, 1);

	/* Subtract Top-Right Corner */
	region.subtract(s.x - 5, 0, 5, 1);
	region.subtract(s.x - 3, 1, 3, 1);
	region.subtract(s.x - 2, 2, 2, 1);
	region.subtract(s.x - 1, 3, 1, 1);
	region.subtract(s.x - 1, 4, 1, 1);

	/* Subtract Bottom-Left Corner */
	region.subtract(0, s.y, 5, 1);
	region.subtract(0, s.y - 1, 3, 1);
	region.subtract(0, s.y - 2, 2, 1);
	region.subtract(0, s.y - 3, 1, 1);
	region.subtract(0, s.y - 4, 1, 1);

	/* Subtract Bottom-Right Corner */
	region.subtract(s.x - 5, s.y - 0, 5, 1);
	region.subtract(s.x - 3, s.y - 1, 3, 1);
	region.subtract(s.x - 2, s.y - 2, 2, 1);
	region.subtract(s.x - 1, s.y - 3, 1, 1);
	region.subtract(s.x - 1, s.y - 4, 1, 1);

	/* Dispose old first */
	if (shell.getRegion() != null) {
	shell.getRegion().dispose();
	}

	/* Apply Region */
	shell.setRegion(region);

	/* Remember to dispose later */
	lastUsedRegion = region;
	}

	private boolean isMouseOver(Shell shell) {
	if (display.isDisposed()) {
	return false;
	}
	return shell.getBounds().contains(display.getCursorLocation());
	}

	@Override
	public int open() {
	if (shell == null \|\| shell.isDisposed()) {
	shell = null;
	create();
	}

	constrainShellSize();
	shell.setLocation(fixupDisplayBounds(shell.getSize(), shell.getLocation()));

	if (isFadingEnabled()) {
	shell.setAlpha(0);
	}
	shell.setVisible(true);
	fadeJob = AnimationUtil.fadeIn(shell, new IFadeListener() {
	public void faded(Shell shell, int alpha) {
	if (shell.isDisposed()) {
	return;
	}

	if (alpha == 255) {
	scheduleAutoClose();
	}
	}
	});

	return Window.OK;
	}

	protected void scheduleAutoClose() {
	if (delayClose > 0) {
	closeJob.schedule(delayClose);
	}
	}

	@Override
	protected Control createContents(Composite parent) {
	((GridLayout) parent.getLayout()).marginWidth = 1;
	((GridLayout) parent.getLayout()).marginHeight = 1;

	/* Outer Composite holding the controls */
	final Composite outerCircle = new Composite(parent, SWT.NO_FOCUS);
	outerCircle.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	outerCircle.setBackgroundMode(SWT.INHERIT_NONE);

	outerCircle.addControlListener(new ControlAdapter() {

	@Override
	public void controlResized(ControlEvent e) {
	Rectangle clArea = outerCircle.getClientArea();
	lastUsedBgImage = new Image(outerCircle.getDisplay(), clArea.width, clArea.height);
	GC gc = new GC(lastUsedBgImage);

	/* Gradient */
	drawGradient(gc, clArea);

	/* Fix Region Shape */
	fixRegion(gc, clArea);

	gc.dispose();

	Image oldBGImage = outerCircle.getBackgroundImage();
	outerCircle.setBackgroundImage(lastUsedBgImage);

	if (oldBGImage != null) {
	oldBGImage.dispose();
	}
	}

	private void drawGradient(GC gc, Rectangle clArea) {
	gc.setForeground(color.getGradientBegin());
	gc.setBackground(color.getGradientEnd());
	gc.fillGradientRectangle(clArea.x, clArea.y, clArea.width, clArea.height, true);
	}

	private void fixRegion(GC gc, Rectangle clArea) {
	gc.setForeground(color.getBorder());

	/* Fill Top Left */
	gc.drawPoint(2, 0);
	gc.drawPoint(3, 0);
	gc.drawPoint(1, 1);
	gc.drawPoint(0, 2);
	gc.drawPoint(0, 3);

	/* Fill Top Right */
	gc.drawPoint(clArea.width - 4, 0);
	gc.drawPoint(clArea.width - 3, 0);
	gc.drawPoint(clArea.width - 2, 1);
	gc.drawPoint(clArea.width - 1, 2);
	gc.drawPoint(clArea.width - 1, 3);

	/* Fill Bottom Left */
	gc.drawPoint(2, clArea.height - 0);
	gc.drawPoint(3, clArea.height - 0);
	gc.drawPoint(1, clArea.height - 1);
	gc.drawPoint(0, clArea.height - 2);
	gc.drawPoint(0, clArea.height - 3);

	/* Fill Bottom Right */
	gc.drawPoint(clArea.width - 4, clArea.height - 0);
	gc.drawPoint(clArea.width - 3, clArea.height - 0);
	gc.drawPoint(clArea.width - 2, clArea.height - 1);
	gc.drawPoint(clArea.width - 1, clArea.height - 2);
	gc.drawPoint(clArea.width - 1, clArea.height - 3);
	}
	});

	GridLayout layout = new GridLayout(1, false);
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	layout.verticalSpacing = 0;

	outerCircle.setLayout(layout);

	/* Title area containing label and close button */
	final Composite titleCircle = new Composite(outerCircle, SWT.NO_FOCUS);
	titleCircle.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
	titleCircle.setBackgroundMode(SWT.INHERIT_FORCE);

	layout = new GridLayout(4, false);
	layout.marginWidth = 3;
	layout.marginHeight = 0;
	layout.verticalSpacing = 5;
	layout.horizontalSpacing = 3;

	titleCircle.setLayout(layout);

	/* Create Title Area */
	createTitleArea(titleCircle);

	/* Outer composite to hold content controlls */
	Composite outerContentCircle = new Composite(outerCircle, SWT.NONE);
	outerContentCircle.setBackgroundMode(SWT.INHERIT_FORCE);

	layout = new GridLayout(1, false);
	layout.marginWidth = 0;
	layout.marginHeight = 0;

	outerContentCircle.setLayout(layout);
	outerContentCircle.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	outerContentCircle.setBackground(outerCircle.getBackground());

	/* Middle composite to show a 1px black line around the content controls */
	Composite middleContentCircle = new Composite(outerContentCircle, SWT.NO_FOCUS);
	middleContentCircle.setBackgroundMode(SWT.INHERIT_FORCE);

	layout = new GridLayout(1, false);
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	layout.marginTop = 1;

	middleContentCircle.setLayout(layout);
	middleContentCircle.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	middleContentCircle.setBackground(color.getBorder());

	/* Inner composite containing the content controls */
	Composite innerContent = new Composite(middleContentCircle, SWT.NO_FOCUS);
	innerContent.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	innerContent.setBackgroundMode(SWT.INHERIT_FORCE);

	layout = new GridLayout(1, false);
	layout.marginWidth = 0;
	layout.marginHeight = 5;
	layout.marginLeft = 5;
	layout.marginRight = 5;
	innerContent.setLayout(layout);

	innerContent.setBackground(shell.getDisplay().getSystemColor(SWT.COLOR_WHITE));

	/* Content Area */
	createContentArea(innerContent);

	setNullBackground(outerCircle);

	return outerCircle;
	}

	private void setNullBackground(final Composite outerCircle) {
	for (Control c : outerCircle.getChildren()) {
	c.setBackground(null);
	if (c instanceof Composite) {
	setNullBackground((Composite) c);
	}
	}
	}

	@Override
	protected void initializeBounds() {
	Rectangle clArea = getPrimaryClientArea();
	Point initialSize = shell.computeSize(SWT.DEFAULT, SWT.DEFAULT);
	int height = Math.max(initialSize.y, MIN_HEIGHT);
	int width = Math.min(initialSize.x, MAX_WIDTH);

	Point size = new Point(width, height);
	shell.setLocation(clArea.width + clArea.x - size.x - PADDING_EDGE, clArea.height + clArea.y - size.y
	- PADDING_EDGE);
	shell.setSize(size);
	}

	private Rectangle getPrimaryClientArea() {
	Monitor primaryMonitor = shell.getDisplay().getPrimaryMonitor();
	return (primaryMonitor != null) ? primaryMonitor.getClientArea() : shell.getDisplay().getClientArea();
	}

	public void closeFade() {
	if (fadeJob != null) {
	fadeJob.cancelAndWait(false);
	}
	fadeJob = AnimationUtil.fadeOut(getShell(), new IFadeListener() {
	public void faded(Shell shell, int alpha) {
	if (!shell.isDisposed()) {
	if (alpha == 0) {
	shell.close();
	} else if (isMouseOver(shell)) {
	if (fadeJob != null) {
	fadeJob.cancelAndWait(false);
	}
	fadeJob = AnimationUtil.fastFadeIn(shell, new IFadeListener() {
	public void faded(Shell shell, int alpha) {
	if (shell.isDisposed()) {
	return;
	}

	if (alpha == 255) {
	scheduleAutoClose();
	}
	}
	});
	}
	}
	}
	});
	}

	@Override
	public boolean close() {
	resources.dispose();
	if (lastUsedRegion != null) {
	lastUsedRegion.dispose();
	}
	if (lastUsedBgImage != null && !lastUsedBgImage.isDisposed()) {
	lastUsedBgImage.dispose();
	}
	return super.close();
	}

	public long getDelayClose() {
	return delayClose;
	}

	public void setDelayClose(long delayClose) {
	this.delayClose = delayClose;
	}

	private Point fixupDisplayBounds(Point tipSize, Point location) {
	if (respectDisplayBounds) {
	Rectangle bounds;
	Point rightBounds = new Point(tipSize.x + location.x, tipSize.y + location.y);

	if (respectMonitorBounds) {
	bounds = shell.getDisplay().getPrimaryMonitor().getBounds();
	} else {
	bounds = getPrimaryClientArea();
	}

	if (!(bounds.contains(location) && bounds.contains(rightBounds))) {
	if (rightBounds.x > bounds.x + bounds.width) {
	location.x -= rightBounds.x - (bounds.x + bounds.width);
	}

	if (rightBounds.y > bounds.y + bounds.height) {
	location.y -= rightBounds.y - (bounds.y + bounds.height);
	}

	if (location.x < bounds.x) {
	location.x = bounds.x;
	}

	if (location.y < bounds.y) {
	location.y = bounds.y;
	}
	}
	}

	return location;
	}

	}