From 164b6f9008169181d44b3c8f8e33fcb3f2a980cc Mon Sep 17 00:00:00 2001
From: kappa1 <one.kappa@googlemail.com>
Date: Thu, 22 May 2008 00:04:11 +0000
Subject: [PATCH] added support for displaying the current download speed

---
 .../org/lwjgl/util/applet/AppletLoader.java   | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/java/org/lwjgl/util/applet/AppletLoader.java b/src/java/org/lwjgl/util/applet/AppletLoader.java
index eba3eb5a..b6bd80b6 100644
--- a/src/java/org/lwjgl/util/applet/AppletLoader.java
+++ b/src/java/org/lwjgl/util/applet/AppletLoader.java
@@ -744,12 +744,34 @@ public class AppletLoader extends Applet implements Runnable, AppletStub {
 			
 
 			int bufferSize;
+			long downloadStartTime = System.currentTimeMillis();
+			int downloadedAmount = 0;
+			String downloadSpeedMessage = "";
+			
 			while ((bufferSize = inputstream.read(buffer, 0, buffer.length)) != -1) {
 				debug_sleep(10);
 				fos.write(buffer, 0, bufferSize);
 				currentSizeDownload += bufferSize;
 				percentage = initialPercentage + ((currentSizeDownload * 45) / totalSizeDownload);
 				subtaskMessage = "Retrieving: " + currentFile + " " + ((currentSizeDownload * 100) / totalSizeDownload) + "%";
+				
+				downloadedAmount += bufferSize;
+				long timeLapse = System.currentTimeMillis() - downloadStartTime;
+				// update only if a second or more has passed
+				if (timeLapse >= 1000) {
+					// get kb/s, nice that bytes/millis is same as kilobytes/seconds
+					float downloadSpeed = (float) bufferSize / timeLapse;
+					// round to two decimal places
+					downloadSpeed = ((int)(downloadSpeed*100))/100f;
+					// set current speed message
+					downloadSpeedMessage = " @ " + downloadSpeed + " KB/sec";
+					// reset downloaded amount
+					downloadedAmount = 0;
+					// reset start time
+					downloadStartTime = System.currentTimeMillis();
+				}
+				
+				subtaskMessage += downloadSpeedMessage;
 			}
 			
 			inputstream.close();