/**
* Copyright (c) 2003 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
+ * 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
*/
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
+
/**
* 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
+ *
+ * @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;
});
try {
sleep(125);
- } catch (Exception e) { }
+ } catch (Exception e) {
+ }
}
if (busyThread == null)
Display.getDefault().syncExec(new Thread() {
}
}
};
-
+
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>.
*/
/**
* 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
+ *
+ * @param busy
+ * boolean
*/
public synchronized void setBusy(boolean busy) {
if (busy) {
}
/**
- * Set the image.
- * The value <code>null</code> clears it.
+ * Set the image. The value <code>null</code> clears it.
*/
public void setImage(Image image) {
if (image != this.image && !isDisposed()) {