Check program is updated

shadowsocks-csharp/Model/Configuration.cs

@@ -37,6 +37,10 @@ namespace Shadowsocks.Model
         public HotkeyConfig hotkey;
 
         private static readonly string CONFIG_FILE = "gui-config.json";
+
+        [JsonIgnore]
+        public bool updated = false;
+
         [JsonIgnore]
         public string localHost => GetLocalHost();
         private string GetLocalHost() {
@@ -78,6 +82,10 @@ namespace Shadowsocks.Model
                 string configContent = File.ReadAllText(CONFIG_FILE);
                 Configuration config = JsonConvert.DeserializeObject<Configuration>(configContent);
                 config.isDefault = false;
+                if (UpdateChecker.Asset.CompareVersion(UpdateChecker.Version, config.version) > 0)
+                {
+                    config.updated = true; 
+                }
 
                 if (config.configs == null)
                     config.configs = new List<Server>();

shadowsocks-csharp/View/MenuViewController.cs

@@ -30,6 +30,7 @@ namespace Shadowsocks.View
         private bool _isFirstRun;
         private bool _isStartupChecking;
         private string _urlToOpen;
+        private bool _updated;
 
         private ContextMenu contextMenu1;
         private MenuItem disableItem;
@@ -113,6 +114,18 @@ namespace Shadowsocks.View
                 _isStartupChecking = true;
                 updateChecker.CheckUpdate(config, 3000);
             }
+
+            if (config.updated)
+            {
+                ShowBalloonTip(
+                    I18N.GetString("Updated"),
+                    I18N.GetString("updated"),
+                    ToolTipIcon.Info,
+                    0
+                );
+                config.updated = false;
+                Configuration.Save(config);
+            }
         }
 
         private void controller_TrafficChanged(object sender, EventArgs e)
@@ -565,9 +578,24 @@ namespace Shadowsocks.View
             if (_isFirstRun)
             {
                 CheckUpdateForFirstRun();
-                ShowFirstTimeBalloon();
+                ShowBalloonTip(
+                    I18N.GetString("Shadowsocks is here"),
+                    I18N.GetString("You can turn on/off Shadowsocks in the context menu"),
+                    ToolTipIcon.Info,
+                    0
+                );
                 _isFirstRun = false;
             }
+            if (_updated)
+            {
+                ShowBalloonTip(
+                    I18N.GetString("Updated"),
+                    I18N.GetString("updated"),
+                    ToolTipIcon.Info,
+                    0
+                );
+                _updated = false;
+            }
         }
 
         void proxyForm_FormClosed(object sender, FormClosedEventArgs e)