From b038e10ee7818c21f66a40780cee78cba528b754 Mon Sep 17 00:00:00 2001
From: catbref <misc-github@talk2dom.com>
Date: Fri, 12 Jul 2019 09:41:31 +0100
Subject: [PATCH] Prevent multiple system tray icons

Added "synchronized" to SysTray.getInstance.

Also log launching of system tray icon.
---
 src/main/java/org/qora/gui/SysTray.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/qora/gui/SysTray.java b/src/main/java/org/qora/gui/SysTray.java
index affdf4bd..b53be3b3 100644
--- a/src/main/java/org/qora/gui/SysTray.java
+++ b/src/main/java/org/qora/gui/SysTray.java
@@ -39,6 +39,8 @@ public class SysTray {
 		if (!SystemTray.isSupported())
 			return;
 
+		LOGGER.info("Launching system tray icon");
+
 		this.popupMenu = createJPopupMenu();
 
 		// Build TrayIcon without AWT PopupMenu (which doesn't support Unicode)...
@@ -170,7 +172,7 @@ public class SysTray {
 		}
 	}
 
-	public static SysTray getInstance() {
+	public static synchronized SysTray getInstance() {
 		if (instance == null)
 			instance = new SysTray();