intial source from http://www.sf.net/projects/wdte
[phpeclipse.git] / net.sourceforge.phpeclipse.webbrowser / src / org / eclipse / webbrowser / internal / BusyIndicator.java
diff --git a/net.sourceforge.phpeclipse.webbrowser/src/org/eclipse/webbrowser/internal/BusyIndicator.java b/net.sourceforge.phpeclipse.webbrowser/src/org/eclipse/webbrowser/internal/BusyIndicator.java
deleted file mode 100644 (file)
index 4f984bc..0000000
+++ /dev/null
@@ -1,157 +0,0 @@
-/**
- * Copyright (c) 2003 IBM Corporation and others.
- * All rights reserved.   This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- *    IBM - Initial API and implementation
- */
-package org.eclipse.webbrowser.internal;
-
-import org.eclipse.swt.widgets.*;
-import org.eclipse.swt.events.*;
-import org.eclipse.swt.graphics.*;
-/**
- * An animated image to show busy status of the Web browser.
- */
-public class BusyIndicator extends Canvas {
-       protected Image[] images;
-       protected Image image;
-
-       protected Thread busyThread;
-       protected boolean stop;
-
-       /**
-        * BusyWidget constructor comment.
-        * @param parent org.eclipse.swt.widgets.Composite
-        * @param style int
-        */
-       public BusyIndicator(Composite parent, int style) {
-               super(parent, style);
-       
-               images = ImageResource.getBusyImages();
-       
-               addPaintListener(new PaintListener() {
-                       public void paintControl(PaintEvent event) {
-                               onPaint(event);
-                       }
-               });
-       
-               image = images[0];
-       }
-       
-       public Point computeSize(int wHint, int hHint, boolean changed) {
-               return new Point(25, 25);
-       }
-       
-       /**
-        * Creates a thread to animate the image.
-        */
-       protected synchronized void createBusyThread() {
-               if (busyThread != null)
-                       return;
-       
-               stop = false;
-               busyThread = new Thread() {
-                       protected int count;
-                       public void run() {
-                               try {
-                                       count = 1;
-                                       while (!stop) {
-                                               Display.getDefault().syncExec(new Runnable() {
-                                                       public void run() {
-                                                               if (!stop) {
-                                                                       if (count < 13)
-                                                                               setImage(images[count]);
-                                                                       count++;
-                                                                       if (count > 12)
-                                                                               count = 1;
-                                                               }
-                                                       }
-                                               });
-                                               try {
-                                                       sleep(125);
-                                               } catch (Exception e) { }
-                                       }
-                                       if (busyThread == null)
-                                               Display.getDefault().syncExec(new Thread() {
-                                                       public void run() {
-                                                               setImage(images[0]);
-                                                       }
-                                               });
-                               } catch (Exception e) {
-                                       Trace.trace(Trace.WARNING, "Busy error", e);
-                               }
-                       }
-               };
-       
-               busyThread.setPriority(Thread.NORM_PRIORITY + 2);
-               busyThread.setDaemon(true);
-               busyThread.start();
-       }
-       
-       public void dispose() {
-               stop = true;
-               busyThread = null;
-               super.dispose();
-       }
-       
-       /**
-        * Return the image or <code>null</code>.
-        */
-       public Image getImage() {
-               return image;
-       }
-
-       /**
-        * Returns true if it is currently busy.
-        *
-        * @return boolean
-        */
-       public boolean isBusy() {
-               return (busyThread != null);
-       }
-
-       /* 
-        * Process the paint event
-        */
-       protected void onPaint(PaintEvent event) {
-               Rectangle rect = getClientArea();
-               if (rect.width == 0 || rect.height == 0)
-                       return;
-       
-               GC gc = event.gc;
-               if (image != null)
-                       gc.drawImage(image, 2, 2);
-       }
-
-       /**
-        * Sets the indicators busy count up (true) or down (false) one.
-        *
-        * @param busy boolean
-        */
-       public synchronized void setBusy(boolean busy) {
-               if (busy) {
-                       if (busyThread == null)
-                               createBusyThread();
-               } else {
-                       if (busyThread != null) {
-                               stop = true;
-                               busyThread = null;
-                       }
-               }
-       }
-
-       /**
-        * Set the image.
-        * The value <code>null</code> clears it.
-        */
-       public void setImage(Image image) {
-               if (image != this.image && !isDisposed()) {
-                       this.image = image;
-                       redraw();
-               }
-       }
-}
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