[client] Don't update server storage space too often if user is inactive

1 files changed, 21 insertions, 0 deletions

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/Gui.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/Gui.java
index 2421bad2..f7f99884 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/Gui.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/Gui.java
@@ -1,5 +1,6 @@
 package org.openslx.dozmod.gui;
 
+import java.awt.AWTEvent;
 import java.awt.Component;
 import java.awt.Dimension;
 import java.awt.Frame;
@@ -11,6 +12,7 @@ import java.awt.Point;
 import java.awt.Rectangle;
 import java.awt.Toolkit;
 import java.awt.Window;
+import java.awt.event.AWTEventListener;
 import java.lang.reflect.InvocationTargetException;
 import java.util.concurrent.atomic.AtomicReference;
 
@@ -29,6 +31,17 @@ import org.openslx.util.QuickTimer;
 public class Gui {
 
 	private static final Logger LOGGER = Logger.getLogger(Gui.class);
+	
+	private static long lastUserActivity = System.currentTimeMillis();
+	
+	static {
+		Toolkit.getDefaultToolkit().addAWTEventListener(new AWTEventListener() {
+			@Override
+			public void eventDispatched(AWTEvent event) {
+				lastUserActivity = System.currentTimeMillis();
+			}
+		}, AWTEvent.MOUSE_EVENT_MASK | AWTEvent.KEY_EVENT_MASK);
+	}
 
 	private static Rectangle clientArea(GraphicsDevice gd) {
 		Insets inset = Toolkit.getDefaultToolkit().getScreenInsets(gd.getDefaultConfiguration());
@@ -349,5 +362,13 @@ public class Gui {
 			}
 		});
 	}
+	
+	/**
+	 * Get last user activity timestamp.
+	 * This considers mouse clicks and key presses.
+	 */
+	public static long getLastUserActivityMillis() {
+		return lastUserActivity;
+	}
 
 }