From d2c155a2faa6034754d50023b8272a7dd6573b8e Mon Sep 17 00:00:00 2001
From: tonyhcj <mneoacme@gmail.com>
Date: Fri, 17 Jul 2026 21:49:04 -0300
Subject: [PATCH] =?UTF-8?q?Adiciona=20painel=20de=20usu=C3=A1rios=20online?=
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---
 pitiupi/src/pitiupi/GUI/MainWindow.java       | 16 +++++++
 pitiupi/src/pitiupi/GUI/OnlineUsersPanel.java | 42 +++++++++++++++++++
 2 files changed, 58 insertions(+)
 create mode 100644 pitiupi/src/pitiupi/GUI/OnlineUsersPanel.java

diff --git a/pitiupi/src/pitiupi/GUI/MainWindow.java b/pitiupi/src/pitiupi/GUI/MainWindow.java
index bcd03fe..009f66d 100644
--- a/pitiupi/src/pitiupi/GUI/MainWindow.java
+++ b/pitiupi/src/pitiupi/GUI/MainWindow.java
@@ -11,10 +11,12 @@ import java.util.List;
 import javax.swing.JMenu;
 import pitiupi.control.PluginLoader;
 import pitiupi.plugin.Plugin;
+import pitiupi.control.HeartbeatManager;
 
 /**
  *
  * @author flavio
+ * @author tony
  */
 public class MainWindow extends javax.swing.JFrame {
 
@@ -24,6 +26,10 @@ public class MainWindow extends javax.swing.JFrame {
     private javax.swing.JPanel statusPanel;
     private javax.swing.JTabbedPane tabbedPane;
 
+    private HeartbeatManager heartbeatManager;
+    private OnlineUsersPanel onlineUsersPanel;
+
+
     private Socket socket;
 
     private final String userName;
@@ -64,6 +70,12 @@ public class MainWindow extends javax.swing.JFrame {
         this.socket = new Socket(this);
         this.socket.start();
 
+        this.heartbeatManager = new HeartbeatManager(this);
+        this.onlineUsersPanel = new OnlineUsersPanel();
+        this.heartbeatManager.addPeerListener(this.onlineUsersPanel);
+        this.getContentPane().add(this.onlineUsersPanel, java.awt.BorderLayout.LINE_END);
+        this.heartbeatManager.start();
+
         this.setSize(new java.awt.Dimension(1024, 768));
         this.pluginManager = new PluginLoader(this);
         this.pluginManager.loadPlugins();
@@ -76,6 +88,10 @@ public class MainWindow extends javax.swing.JFrame {
         System.exit(0);
     }
 
+    public HeartbeatManager getHeartbeatManager() {
+        return heartbeatManager;
+    }
+
     public String getUserName(){
         return this.userName;
     }
diff --git a/pitiupi/src/pitiupi/GUI/OnlineUsersPanel.java b/pitiupi/src/pitiupi/GUI/OnlineUsersPanel.java
new file mode 100644
index 0000000..5821bbd
--- /dev/null
+++ b/pitiupi/src/pitiupi/GUI/OnlineUsersPanel.java
@@ -0,0 +1,42 @@
+package pitiupi.GUI;
+
+import java.awt.BorderLayout;
+import java.awt.Dimension;
+import java.util.List;
+import javax.swing.BorderFactory;
+import javax.swing.DefaultListModel;
+import javax.swing.JList;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.SwingUtilities;
+import pitiupi.control.PeerInfo;
+import pitiupi.control.PeerListener;
+/**
+ *
+ * @author tony
+ */
+public class OnlineUsersPanel extends JPanel implements PeerListener {
+
+    private final DefaultListModel<String> listModel;
+    private final JList<String> userList;
+
+    public OnlineUsersPanel() {
+        setLayout(new BorderLayout());
+        setBorder(BorderFactory.createTitledBorder("Online"));
+        setPreferredSize(new Dimension(160, 0));
+
+        listModel = new DefaultListModel<>();
+        userList = new JList<>(listModel);
+        add(new JScrollPane(userList), BorderLayout.CENTER);
+    }
+
+    @Override
+    public void onPeersChanged(List<PeerInfo> peers) {
+        SwingUtilities.invokeLater(() -> {
+            listModel.clear();
+            for (PeerInfo peer : peers) {
+                listModel.addElement(peer.toString());
+            }
+        });
+    }
+}
\ No newline at end of file