Changed the AccessLevel of the classes in the network package and improved

the MessageBox system. Now it's threadsafe and multiple consumers are
possible.
- Added a message box when connecting fails.
- Change the version of the used purejavahidapi

pom.xml

@@ -119,7 +119,7 @@
 		<dependency>
 			<groupId>com.github.QuarkTheAwesome</groupId>
 			<artifactId>purejavahidapi</artifactId>
-			<version>94cdc9b</version>
+			<version>066842c</version>
 		</dependency>
 	</dependencies>
 </project>

src/net/ash/HIDToVPADNetworkClient/Main.java

@@ -26,6 +26,7 @@ import javax.swing.SwingUtilities;
 import net.ash.HIDToVPADNetworkClient.gui.GuiMain;
 import net.ash.HIDToVPADNetworkClient.manager.ActiveControllerManager;
 import net.ash.HIDToVPADNetworkClient.network.NetworkManager;
+import net.ash.HIDToVPADNetworkClient.util.MessageBoxManager;
 import net.ash.HIDToVPADNetworkClient.util.Settings;
 
 /* Ash's todo list
@@ -44,9 +45,13 @@ public class Main {
         }
         SwingUtilities.invokeLater(new Runnable() {
             public void run() {
-                GuiMain.createGUI();
+                GuiMain.getInstance();
+
             }
         });
+
+        MessageBoxManager.addMessageBoxListener(GuiMain.getInstance());
+
     }
 
     public static void fatal() {

src/net/ash/HIDToVPADNetworkClient/gui/GuiControllerListItem.java

@@ -34,6 +34,7 @@ import lombok.Getter;
 import net.ash.HIDToVPADNetworkClient.controller.Controller;
 import net.ash.HIDToVPADNetworkClient.network.NetworkManager;
 import net.ash.HIDToVPADNetworkClient.util.MessageBox;
+import net.ash.HIDToVPADNetworkClient.util.MessageBoxManager;
 
 public class GuiControllerListItem extends JPanel implements ActionListener {
     private static final long serialVersionUID = 1L;
@@ -78,7 +79,7 @@ public class GuiControllerListItem extends JPanel implements ActionListener {
 
     private void checkIfDisplayNoConfigMessage() {
         if (hasConfigCache == false) {
-            MessageBox.show(new MessageBox("No configuration for this controller found on the console.", MessageBox.MESSAGE_ERROR));
+            MessageBoxManager.addMessageBox("No configuration for this controller found on the console.", MessageBox.MESSAGE_ERROR);
         }
     }
 

src/net/ash/HIDToVPADNetworkClient/gui/GuiMain.java

@@ -23,34 +23,36 @@ package net.ash.HIDToVPADNetworkClient.gui;
 
 import java.awt.BorderLayout;
 import java.awt.Dimension;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
 
 import javax.swing.JComponent;
 import javax.swing.JFrame;
 import javax.swing.JOptionPane;
 import javax.swing.JPanel;
-import javax.swing.Timer;
 
+import lombok.extern.java.Log;
 import net.ash.HIDToVPADNetworkClient.Main;
 import net.ash.HIDToVPADNetworkClient.util.MessageBox;
+import net.ash.HIDToVPADNetworkClient.util.MessageBoxListener;
 
-public class GuiMain extends JPanel {
+@Log
+public class GuiMain extends JPanel implements MessageBoxListener {
     private static final long serialVersionUID = 1L;
     private static GuiMain instance;
 
-    public static void createGUI() {
+    private static GuiMain createGUI() {
         JFrame frame = new JFrame("HID To VPAD Network Client");
         frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
         frame.addWindowListener(new GuiCloseListener());
 
-        instance = new GuiMain();
+        GuiMain instance = new GuiMain();
+
         JComponent newContentPane = instance;
         newContentPane.setOpaque(true);
         frame.setContentPane(newContentPane);
 
         frame.pack();
         frame.setVisible(true);
+        return instance;
     }
 
     private GuiControllerList leftControllerList;
@@ -70,21 +72,22 @@ public class GuiMain extends JPanel {
             Main.fatal();
         }
         add(rightSideControls, BorderLayout.LINE_END);
-        
-        int delay = 100;
-        ActionListener messageBoxPerformer = new ActionListener() {
-        	public void actionPerformed(ActionEvent evt) {
-        		MessageBox msg = MessageBox.getNextMessage();
-        		if (msg != null) {
-        			JOptionPane.showMessageDialog(GuiMain.instance(), msg.getMessage(), "HID To VPAD Network Client", msg.getType());
-        			MessageBox.bumpQueue();
-        		}
-        	}
-        };
-        new Timer(delay, messageBoxPerformer).start();
     }
 
-    public static GuiMain instance() {
+    public synchronized static GuiMain getInstance() {
+        if (instance == null) {
+            instance = createGUI();
+        }
         return instance;
     }
+
+    @Override
+    public void showMessageBox(MessageBox msg) {
+        if (msg == null || msg.getMessage() == null) {
+            log.info("Can't show the message box");
+        }
+        String real_title = "HID To VPAD Network Client";
+
+        JOptionPane.showMessageDialog(this, msg.getMessage(), real_title, msg.getType());
+    }
 }

src/net/ash/HIDToVPADNetworkClient/manager/ControllerManager.java

@@ -45,6 +45,7 @@ import net.ash.HIDToVPADNetworkClient.controller.XInput14Controller;
 import net.ash.HIDToVPADNetworkClient.controller.XInputController;
 import net.ash.HIDToVPADNetworkClient.exeption.ControllerInitializationFailedException;
 import net.ash.HIDToVPADNetworkClient.util.MessageBox;
+import net.ash.HIDToVPADNetworkClient.util.MessageBoxManager;
 import net.ash.HIDToVPADNetworkClient.util.PureJavaHidApiManager;
 import net.ash.HIDToVPADNetworkClient.util.Settings;
 import purejavahidapi.HidDeviceInfo;
@@ -149,11 +150,12 @@ public class ControllerManager {
     }
 
     private static boolean threwUnsatisfiedLinkError = false;
+
     private static Map<String, ControllerType> detectWindowsControllers() {
         Map<String, ControllerType> result = new HashMap<String, ControllerType>();
         ControllerType type = ControllerType.XINPUT13;
 
-        //Try and catch missing C++ redist
+        // Try and catch missing C++ redist
         try {
             XInputDevice.isAvailable();
         } catch (UnsatisfiedLinkError e) {
@@ -162,7 +164,9 @@ public class ControllerManager {
                 log.info("This error can be fixed! Please install the Visual C++ Redistributables:");
                 log.info("https://www.microsoft.com/en-us/download/details.aspx?id=48145");
                 log.info("If that doesn't help, create an issue on GitHub.");
-            	MessageBox.show(new MessageBox("There was a problem setting up XInput.\nTo fix this, try installing the Visual C++\nredistributables: https://tinyurl.com/vcredist2015.\n\nOther controller types should still work.", MessageBox.MESSAGE_ERROR));
+                MessageBoxManager.addMessageBox(
+                        "There was a problem setting up XInput.\nTo fix this, try installing the Visual C++\nredistributables: https://tinyurl.com/vcredist2015.\n\nOther controller types should still work.",
+                        MessageBox.MESSAGE_ERROR);
                 threwUnsatisfiedLinkError = true;
             }
         }

src/net/ash/HIDToVPADNetworkClient/network/AttachCommand.java

@@ -19,16 +19,15 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  *******************************************************************************/
-package net.ash.HIDToVPADNetworkClient.network.commands;
+package net.ash.HIDToVPADNetworkClient.network;
 
 import lombok.Getter;
-import net.ash.HIDToVPADNetworkClient.network.NetworkHIDDevice;
 
-public class AttachCommand extends DeviceCommand {
+class AttachCommand extends DeviceCommand {
     @Getter private final short vid;
     @Getter private final short pid;
 
-    public AttachCommand(int hidHandle, short vid, short pid, NetworkHIDDevice sender) {
+    protected AttachCommand(int hidHandle, short vid, short pid, NetworkHIDDevice sender) {
         super(hidHandle, sender);
         this.vid = vid;
         this.pid = pid;

src/net/ash/HIDToVPADNetworkClient/network/DetachCommand.java

@@ -19,12 +19,10 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  *******************************************************************************/
-package net.ash.HIDToVPADNetworkClient.network.commands;
+package net.ash.HIDToVPADNetworkClient.network;
 
-import net.ash.HIDToVPADNetworkClient.network.NetworkHIDDevice;
-
-public class DetachCommand extends DeviceCommand {
-    public DetachCommand(int hidHandle, NetworkHIDDevice sender) {
+class DetachCommand extends DeviceCommand {
+    protected DetachCommand(int hidHandle, NetworkHIDDevice sender) {
         super(hidHandle, sender);
     }
 

src/net/ash/HIDToVPADNetworkClient/network/DeviceCommand.java

@@ -19,13 +19,12 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  *******************************************************************************/
-package net.ash.HIDToVPADNetworkClient.network.commands;
+package net.ash.HIDToVPADNetworkClient.network;
 
 import lombok.Data;
-import net.ash.HIDToVPADNetworkClient.network.NetworkHIDDevice;
 
 @Data
-public abstract class DeviceCommand {
+abstract class DeviceCommand {
     private final int handle;
     private final NetworkHIDDevice sender;
     private final Class<? extends DeviceCommand> type;

src/net/ash/HIDToVPADNetworkClient/network/NetworkHIDDevice.java

@@ -30,10 +30,6 @@ import java.util.List;
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.Setter;
-import net.ash.HIDToVPADNetworkClient.network.commands.AttachCommand;
-import net.ash.HIDToVPADNetworkClient.network.commands.DetachCommand;
-import net.ash.HIDToVPADNetworkClient.network.commands.DeviceCommand;
-import net.ash.HIDToVPADNetworkClient.network.commands.ReadCommand;
 import net.ash.HIDToVPADNetworkClient.util.HandleFoundry;
 import net.ash.HIDToVPADNetworkClient.util.Settings;
 
@@ -88,7 +84,7 @@ public class NetworkHIDDevice {
         }
     }
 
-    public Collection<? extends DeviceCommand> getCommandList() {
+    protected Collection<? extends DeviceCommand> getCommandList() {
         List<DeviceCommand> commands = new ArrayList<DeviceCommand>();
         commands.addAll(getCommands());
         DeviceCommand lastRead;

src/net/ash/HIDToVPADNetworkClient/network/NetworkManager.java

@@ -31,11 +31,8 @@ import lombok.Synchronized;
 import lombok.extern.java.Log;
 import net.ash.HIDToVPADNetworkClient.controller.Controller;
 import net.ash.HIDToVPADNetworkClient.manager.ActiveControllerManager;
-import net.ash.HIDToVPADNetworkClient.network.commands.AttachCommand;
-import net.ash.HIDToVPADNetworkClient.network.commands.DetachCommand;
-import net.ash.HIDToVPADNetworkClient.network.commands.DeviceCommand;
-import net.ash.HIDToVPADNetworkClient.network.commands.PingCommand;
-import net.ash.HIDToVPADNetworkClient.network.commands.ReadCommand;
+import net.ash.HIDToVPADNetworkClient.util.MessageBox;
+import net.ash.HIDToVPADNetworkClient.util.MessageBoxManager;
 import net.ash.HIDToVPADNetworkClient.util.Settings;
 import net.ash.HIDToVPADNetworkClient.util.Utilities;
 
@@ -97,7 +94,7 @@ public class NetworkManager implements Runnable {
         if (isConnected() || tcpClient.isShouldRetry()) sendingCommand(new PingCommand());
     }
 
-    public void proccessCommands() {
+    private void proccessCommands() {
         List<DeviceCommand> commands = new ArrayList<DeviceCommand>();
         commands.addAll(ownCommands); // TODO: Does this need a synchronized
                                       // block? It _should_ be only access from
@@ -347,12 +344,14 @@ public class NetworkManager implements Runnable {
                 result = true;
             }
         } catch (Exception e) {
-            log.info("Error while connecting: " + e.getMessage());
+            String error = "Error while connecting: " + e.getMessage();
+            log.info(error);
+            MessageBoxManager.addMessageBox(error, MessageBox.MESSAGE_WARNING);
         }
         return result;
     }
 
-    public void addCommand(DeviceCommand command) {
+    private void addCommand(DeviceCommand command) {
         this.ownCommands.add(command);
     }
 

src/net/ash/HIDToVPADNetworkClient/network/PingCommand.java

@@ -19,16 +19,14 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  *******************************************************************************/
-package net.ash.HIDToVPADNetworkClient.network.commands;
+package net.ash.HIDToVPADNetworkClient.network;
 
-import net.ash.HIDToVPADNetworkClient.network.NetworkHIDDevice;
-
-public class PingCommand extends DeviceCommand {
-    public PingCommand() {
+class PingCommand extends DeviceCommand {
+    protected PingCommand() {
         this((short) 0, null);
     }
 
-    private PingCommand(int hidHandle, NetworkHIDDevice sender) {
+    protected PingCommand(int hidHandle, NetworkHIDDevice sender) {
         super(hidHandle, sender);
     }
 

src/net/ash/HIDToVPADNetworkClient/network/Protocol.java

@@ -28,51 +28,47 @@ import java.nio.ByteBuffer;
 import java.util.List;
 
 import lombok.extern.java.Log;
-import net.ash.HIDToVPADNetworkClient.network.commands.AttachCommand;
-import net.ash.HIDToVPADNetworkClient.network.commands.DetachCommand;
-import net.ash.HIDToVPADNetworkClient.network.commands.PingCommand;
-import net.ash.HIDToVPADNetworkClient.network.commands.ReadCommand;
 
 @Log
-public class Protocol {
-    public static final int TCP_PORT = 8112;
-    public static final int UDP_PORT = 8113;
+class Protocol {
+    protected static final int TCP_PORT = 8112;
+    protected static final int UDP_PORT = 8113;
 
-    public static final byte TCP_HANDSHAKE = 0x12;
-    public static final byte TCP_SAME_CLIENT = 0x20;
-    public static final byte TCP_NEW_CLIENT = 0x21;
+    protected static final byte TCP_HANDSHAKE = 0x12;
+    protected static final byte TCP_SAME_CLIENT = 0x20;
+    protected static final byte TCP_NEW_CLIENT = 0x21;
 
-    public static final byte TCP_CMD_ATTACH = 0x01;
-    public static final byte TCP_CMD_DETACH = 0x02;
-    public static final byte TCP_CMD_PING = (byte) 0xF0;
+    protected static final byte TCP_CMD_ATTACH = 0x01;
+    protected static final byte TCP_CMD_DETACH = 0x02;
+    protected static final byte TCP_CMD_PING = (byte) 0xF0;
 
-    public static final byte UDP_CMD_DATA = 0x03;
+    protected static final byte UDP_CMD_DATA = 0x03;
 
-    public static final byte TCP_CMD_ATTACH_CONFIG_FOUND = (byte) 0xE0;
-    public static final byte TCP_CMD_ATTACH_CONFIG_NOT_FOUND = (byte) 0xE1;
-    public static final byte TCP_CMD_ATTACH_USERDATA_OKAY = (byte) 0xE8;
-    public static final byte TCP_CMD_ATTACH_USERDATA_BAD = (byte) 0xE9;
+    protected static final byte TCP_CMD_ATTACH_CONFIG_FOUND = (byte) 0xE0;
+    protected static final byte TCP_CMD_ATTACH_CONFIG_NOT_FOUND = (byte) 0xE1;
+    protected static final byte TCP_CMD_ATTACH_USERDATA_OKAY = (byte) 0xE8;
+    protected static final byte TCP_CMD_ATTACH_USERDATA_BAD = (byte) 0xE9;
 
     private Protocol() {
     }
 
-    public enum HandshakeReturnCode {
+    protected enum HandshakeReturnCode {
         GOOD_HANDSHAKE, BAD_HANDSHAKE
     }
 
-    public static byte[] getRawAttachDataToSend(AttachCommand command) throws IOException {
+    protected static byte[] getRawAttachDataToSend(AttachCommand command) throws IOException {
         return ByteBuffer.allocate(9).put(Protocol.TCP_CMD_ATTACH).putInt(command.getHandle()).putShort(command.getVid()).putShort(command.getPid()).array();
     }
 
-    public static byte[] getRawDetachDataToSend(DetachCommand command) throws IOException {
+    protected static byte[] getRawDetachDataToSend(DetachCommand command) throws IOException {
         return ByteBuffer.allocate(5).put(Protocol.TCP_CMD_DETACH).putInt(command.getHandle()).array();
     }
 
-    public static byte[] getRawPingDataToSend(PingCommand command) {
+    protected static byte[] getRawPingDataToSend(PingCommand command) {
         return new byte[] { Protocol.TCP_CMD_PING };
     }
 
-    public static byte[] getRawReadDataToSend(List<ReadCommand> readCommands) throws IOException {
+    protected static byte[] getRawReadDataToSend(List<ReadCommand> readCommands) throws IOException {
         ByteArrayOutputStream bos = new ByteArrayOutputStream();
         DataOutputStream dos = new DataOutputStream(bos);
         dos.writeByte(Protocol.UDP_CMD_DATA);

src/net/ash/HIDToVPADNetworkClient/network/ReadCommand.java

@@ -19,15 +19,14 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  *******************************************************************************/
-package net.ash.HIDToVPADNetworkClient.network.commands;
+package net.ash.HIDToVPADNetworkClient.network;
 
 import lombok.Getter;
-import net.ash.HIDToVPADNetworkClient.network.NetworkHIDDevice;
 
-public class ReadCommand extends DeviceCommand {
+class ReadCommand extends DeviceCommand {
     @Getter private final byte[] data;
 
-    public ReadCommand(int hidHandle, byte[] data, NetworkHIDDevice sender) {
+    protected ReadCommand(int hidHandle, byte[] data, NetworkHIDDevice sender) {
         super(hidHandle, sender);
         this.data = data;
     }

src/net/ash/HIDToVPADNetworkClient/network/TCPClient.java

@@ -37,7 +37,7 @@ import net.ash.HIDToVPADNetworkClient.network.Protocol.HandshakeReturnCode;
 import net.ash.HIDToVPADNetworkClient.util.Settings;
 
 @Log
-public class TCPClient {
+class TCPClient {
     private Socket sock;
     private DataInputStream in;
     private DataOutputStream out;
@@ -46,10 +46,10 @@ public class TCPClient {
 
     private String ip;
 
-    public TCPClient() {
+    protected TCPClient() {
     }
 
-    public synchronized void connect(String ip) throws Exception {
+    protected synchronized void connect(String ip) throws Exception {
         sock = new Socket();
         sock.connect(new InetSocketAddress(ip, Protocol.TCP_PORT), 2000);
         in = new DataInputStream(sock.getInputStream());
@@ -68,7 +68,7 @@ public class TCPClient {
         }
     }
 
-    public synchronized boolean abort() {
+    protected synchronized boolean abort() {
         try {
             shouldRetry = Settings.MAXIMUM_TRIES_FOR_RECONNECTING;
             sock.close();
@@ -79,7 +79,7 @@ public class TCPClient {
         return true;
     }
 
-    public synchronized void send(byte[] rawCommand) throws IOException {
+    protected synchronized void send(byte[] rawCommand) throws IOException {
         try {
             out.write(rawCommand);
             out.flush();
@@ -98,15 +98,15 @@ public class TCPClient {
         }
     }
 
-    public synchronized void send(int value) throws IOException {
+    protected synchronized void send(int value) throws IOException {
         send(ByteBuffer.allocate(4).putInt(value).array());
     }
 
-    public synchronized byte recvByte() throws IOException {
+    protected synchronized byte recvByte() throws IOException {
         return in.readByte();
     }
 
-    public synchronized short recvShort() throws IOException {
+    protected synchronized short recvShort() throws IOException {
         try {
             return in.readShort();
         } catch (IOException e) {
@@ -115,11 +115,11 @@ public class TCPClient {
         }
     }
 
-    public synchronized boolean isConnected() {
+    protected synchronized boolean isConnected() {
         return (sock != null && sock.isConnected() && !sock.isClosed());
     }
 
-    public boolean isShouldRetry() {
+    protected boolean isShouldRetry() {
         return this.shouldRetry < Settings.MAXIMUM_TRIES_FOR_RECONNECTING;
     }
 }

src/net/ash/HIDToVPADNetworkClient/network/UDPClient.java

@@ -28,7 +28,7 @@ import java.net.InetAddress;
 import java.net.SocketException;
 import java.net.UnknownHostException;
 
-public class UDPClient {
+class UDPClient {
     private final DatagramSocket sock;
     private final InetAddress host;
 
@@ -37,7 +37,7 @@ public class UDPClient {
         host = InetAddress.getByName(ip);
     }
 
-    public static UDPClient createUDPClient(String ip) {
+    protected static UDPClient createUDPClient(String ip) {
         UDPClient result = null;
         try {
             result = new UDPClient(ip);
@@ -47,7 +47,7 @@ public class UDPClient {
         return result;
     }
 
-    public void send(byte[] data) throws IOException {
+    protected void send(byte[] data) throws IOException {
         DatagramPacket packet = new DatagramPacket(data, data.length, host, Protocol.UDP_PORT);
         sock.send(packet);
     }

src/net/ash/HIDToVPADNetworkClient/util/MessageBox.java

@@ -1,7 +1,26 @@
-package net.ash.HIDToVPADNetworkClient.util;
+/*******************************************************************************
+ * Copyright (c) 2017 Ash (QuarkTheAwesome) & Maschell
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *******************************************************************************/
 
-import java.util.ArrayList;
-import java.util.List;
+package net.ash.HIDToVPADNetworkClient.util;
 
 import javax.swing.JOptionPane;
 
@@ -12,28 +31,15 @@ public class MessageBox {
     public static final int MESSAGE_WARNING = JOptionPane.WARNING_MESSAGE;
     public static final int MESSAGE_ERROR = JOptionPane.ERROR_MESSAGE;
 
-	@Getter
-	private String message;
-	@Getter
-	private int type;
+    @Getter private final String message;
+    @Getter private final int type;
+
+    public MessageBox(String message) {
+        this(message, MESSAGE_INFO);
+    }
 
     public MessageBox(String message, int type) {
         this.message = message;
         this.type = type;
     }
-	
-	private static List<MessageBox> messageBoxQueue = new ArrayList<MessageBox>();
-	public static void show(MessageBox box) {
-		messageBoxQueue.add(box);
-	}
-	public static MessageBox getNextMessage() {
-		if (messageBoxQueue.size() > 0) {
-			return messageBoxQueue.get(0);
-		} else return null;
-	}
-	public static void bumpQueue() {
-		if (messageBoxQueue.size() > 0) {
-			messageBoxQueue.remove(0);
-		}
-	}
 }

src/net/ash/HIDToVPADNetworkClient/util/MessageBoxListener.java

@@ -0,0 +1,27 @@
+/*******************************************************************************
+ * Copyright (c) 2017 Ash (QuarkTheAwesome) & Maschell
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *******************************************************************************/
+
+package net.ash.HIDToVPADNetworkClient.util;
+
+public interface MessageBoxListener {
+    public void showMessageBox(MessageBox msgBox);
+}

src/net/ash/HIDToVPADNetworkClient/util/MessageBoxManager.java

@@ -0,0 +1,81 @@
+/*******************************************************************************
+ * Copyright (c) 2017 Ash (QuarkTheAwesome) & Maschell
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *******************************************************************************/
+
+package net.ash.HIDToVPADNetworkClient.util;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Queue;
+import java.util.concurrent.ConcurrentLinkedQueue;
+
+public class MessageBoxManager implements Runnable {
+    private static final Queue<MessageBox> messageBoxQueue = new ConcurrentLinkedQueue<MessageBox>();
+    private static List<MessageBoxListener> newList = Collections.synchronizedList(new ArrayList<MessageBoxListener>());
+    private static Object listenerListLock = new Object();
+    private static boolean threadStarted = false;
+
+    private final static MessageBoxManager instance = new MessageBoxManager();
+
+    private MessageBoxManager() {
+
+    }
+
+    @Override
+    public void run() {
+        while (true) {
+            MessageBox msg = getNextMessage();
+            if (msg != null) {
+                synchronized (listenerListLock) {
+                    for (MessageBoxListener m : newList) {
+                        m.showMessageBox(msg);
+                    }
+                }
+            }
+            Utilities.sleep(500);
+        }
+    }
+
+    public static void addMessageBox(String message) {
+        addMessageBox(new MessageBox(message));
+    }
+
+    public static void addMessageBox(String message, int type) {
+        addMessageBox(new MessageBox(message, type));
+    }
+
+    public static void addMessageBox(MessageBox messagebox) {
+        messageBoxQueue.add(messagebox);
+    }
+
+    private static MessageBox getNextMessage() {
+        return messageBoxQueue.poll();
+    }
+
+    public static void addMessageBoxListener(MessageBoxListener msglistener) {
+        if (!threadStarted) {
+            new Thread(instance).start();
+            threadStarted = true;
+        }
+        newList.add(msglistener);
+    }
+}