Fix environment exit & Wait image cache save before restarting & Add settings saving lock & Do not crash when caught exception saving

Flow.Launcher.Core/Configuration/Portable.cs

@@ -22,7 +22,7 @@ public class Portable : IPortable
         /// As at Squirrel.Windows version 1.5.2, UpdateManager needs to be disposed after finish
         /// </summary>
         /// <returns></returns>
-        private UpdateManager NewUpdateManager()
+        private static UpdateManager NewUpdateManager()
         {
             var applicationFolderName = Constant.ApplicationDirectory
                                             .Split(new[] { Path.DirectorySeparatorChar }, StringSplitOptions.None)
@@ -81,20 +81,16 @@ public void EnablePortableMode()
 
         public void RemoveShortcuts()
         {
-            using (var portabilityUpdater = NewUpdateManager())
-            {
-                portabilityUpdater.RemoveShortcutsForExecutable(Constant.ApplicationFileName, ShortcutLocation.StartMenu);
-                portabilityUpdater.RemoveShortcutsForExecutable(Constant.ApplicationFileName, ShortcutLocation.Desktop);
-                portabilityUpdater.RemoveShortcutsForExecutable(Constant.ApplicationFileName, ShortcutLocation.Startup);
-            }
+            using var portabilityUpdater = NewUpdateManager();
+            portabilityUpdater.RemoveShortcutsForExecutable(Constant.ApplicationFileName, ShortcutLocation.StartMenu);
+            portabilityUpdater.RemoveShortcutsForExecutable(Constant.ApplicationFileName, ShortcutLocation.Desktop);
+            portabilityUpdater.RemoveShortcutsForExecutable(Constant.ApplicationFileName, ShortcutLocation.Startup);
         }
 
         public void RemoveUninstallerEntry()
         {
-            using (var portabilityUpdater = NewUpdateManager())
-            {
-                portabilityUpdater.RemoveUninstallerRegistryEntry();
-            }
+            using var portabilityUpdater = NewUpdateManager();
+            portabilityUpdater.RemoveUninstallerRegistryEntry();
         }
 
         public void MoveUserDataFolder(string fromLocation, string toLocation)
@@ -110,12 +106,10 @@ public void VerifyUserDataAfterMove(string fromLocation, string toLocation)
 
         public void CreateShortcuts()
         {
-            using (var portabilityUpdater = NewUpdateManager())
-            {
-                portabilityUpdater.CreateShortcutsForExecutable(Constant.ApplicationFileName, ShortcutLocation.StartMenu, false);
-                portabilityUpdater.CreateShortcutsForExecutable(Constant.ApplicationFileName, ShortcutLocation.Desktop, false);
-                portabilityUpdater.CreateShortcutsForExecutable(Constant.ApplicationFileName, ShortcutLocation.Startup, false);
-            }
+            using var portabilityUpdater = NewUpdateManager();
+            portabilityUpdater.CreateShortcutsForExecutable(Constant.ApplicationFileName, ShortcutLocation.StartMenu, false);
+            portabilityUpdater.CreateShortcutsForExecutable(Constant.ApplicationFileName, ShortcutLocation.Desktop, false);
+            portabilityUpdater.CreateShortcutsForExecutable(Constant.ApplicationFileName, ShortcutLocation.Startup, false);
         }
 
         public void CreateUninstallerEntry()
@@ -129,18 +123,14 @@ public void CreateUninstallerEntry()
                 subKey2.SetValue("DisplayIcon", Path.Combine(Constant.ApplicationDirectory, "app.ico"), RegistryValueKind.String);
             }
 
-            using (var portabilityUpdater = NewUpdateManager())
-            {
-                _ = portabilityUpdater.CreateUninstallerRegistryEntry();
-            }
+            using var portabilityUpdater = NewUpdateManager();
+            _ = portabilityUpdater.CreateUninstallerRegistryEntry();
         }
 
-        internal void IndicateDeletion(string filePathTodelete)
+        private static void IndicateDeletion(string filePathTodelete)
         {
             var deleteFilePath = Path.Combine(filePathTodelete, DataLocation.DeletionIndicatorFile);
-            using (var _ = File.CreateText(deleteFilePath))
-            {
-            }
+            using var _ = File.CreateText(deleteFilePath);
         }
 
         ///<summary>

Flow.Launcher.Core/Plugin/JsonRPCPluginSettings.cs

@@ -23,6 +23,8 @@ public class JsonRPCPluginSettings
         protected ConcurrentDictionary<string, object?> Settings { get; set; } = null!;
         public required IPublicAPI API { get; init; }
 
+        private static readonly string ClassName = nameof(JsonRPCPluginSettings);
+
         private JsonStorage<ConcurrentDictionary<string, object?>> _storage = null!;
 
         private static readonly Thickness SettingPanelMargin = (Thickness)Application.Current.FindResource("SettingPanelMargin");
@@ -122,12 +124,26 @@ public void UpdateSettings(IReadOnlyDictionary<string, object> settings)
 
         public async Task SaveAsync()
         {
-            await _storage.SaveAsync();
+            try
+            {
+                await _storage.SaveAsync();
+            }
+            catch (System.Exception e)
+            {
+                API.LogException(ClassName, $"Failed to save plugin settings to path: {SettingPath}", e);
+            }
         }
 
         public void Save()
         {
-            _storage.Save();
+            try
+            {
+                _storage.Save();
+            }
+            catch (System.Exception e)
+            {
+                API.LogException(ClassName, $"Failed to save plugin settings to path: {SettingPath}", e);
+            }
         }
 
         public bool NeedCreateSettingPanel()

Flow.Launcher.Core/Updater.cs

@@ -4,19 +4,20 @@
 using System.Net.Http;
 using System.Net.Sockets;
 using System.Linq;
+using System.Text.Json.Serialization;
+using System.Threading;
 using System.Threading.Tasks;
 using System.Windows;
-using JetBrains.Annotations;
-using Squirrel;
+using CommunityToolkit.Mvvm.DependencyInjection;
 using Flow.Launcher.Core.Resource;
 using Flow.Launcher.Plugin.SharedCommands;
 using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Http;
 using Flow.Launcher.Infrastructure.Logger;
 using Flow.Launcher.Infrastructure.UserSettings;
 using Flow.Launcher.Plugin;
-using System.Text.Json.Serialization;
-using System.Threading;
+using JetBrains.Annotations;
+using Squirrel;
 
 namespace Flow.Launcher.Core
 {
@@ -70,7 +71,7 @@ public async Task UpdateAppAsync(bool silentUpdate = true)
 
                 if (DataLocation.PortableDataLocationInUse())
                 {
-                    var targetDestination = updateManager.RootAppDirectory + $"\\app-{newReleaseVersion.ToString()}\\{DataLocation.PortableFolderName}";
+                    var targetDestination = updateManager.RootAppDirectory + $"\\app-{newReleaseVersion}\\{DataLocation.PortableFolderName}";
                     FilesFolders.CopyAll(DataLocation.PortableDataPath, targetDestination, (s) => _api.ShowMsgBox(s));
                     if (!FilesFolders.VerifyBothFolderFilesEqual(DataLocation.PortableDataPath, targetDestination, (s) => _api.ShowMsgBox(s)))
                         _api.ShowMsgBox(string.Format(_api.GetTranslation("update_flowlauncher_fail_moving_portable_user_profile_data"),
@@ -122,7 +123,7 @@ private class GithubRelease
         }
 
         // https://github.com/Squirrel/Squirrel.Windows/blob/master/src/Squirrel/UpdateManager.Factory.cs
-        private async Task<UpdateManager> GitHubUpdateManagerAsync(string repository)
+        private static async Task<UpdateManager> GitHubUpdateManagerAsync(string repository)
         {
             var uri = new Uri(repository);
             var api = $"https://api.github.com/repos{uri.AbsolutePath}/releases";
@@ -144,9 +145,9 @@ private async Task<UpdateManager> GitHubUpdateManagerAsync(string repository)
             return manager;
         }
 
-        public string NewVersionTips(string version)
+        private static string NewVersionTips(string version)
         {
-            var translator = InternationalizationManager.Instance;
+            var translator = Ioc.Default.GetRequiredService<Internationalization>();
             var tips = string.Format(translator.GetTranslation("newVersionTips"), version);
 
             return tips;

Flow.Launcher.Infrastructure/Image/ImageLoader.cs

@@ -61,7 +61,7 @@ await Stopwatch.NormalAsync("|ImageLoader.Initialize|Preload images cost", async
             });
         }
 
-        public static async Task Save()
+        public static async Task SaveAsync()
         {
             await storageLock.WaitAsync();
 
@@ -71,12 +71,22 @@ await _storage.SaveAsync(ImageCache.EnumerateEntries()
                     .Select(x => x.Key)
                     .ToList());
             }
+            catch (System.Exception e)
+            {
+                Log.Exception($"|ImageLoader.SaveAsync|Failed to save image cache to file", e);
+            }
             finally
             {
                 storageLock.Release();
             }
         }
 
+        public static async Task WaitSaveAsync()
+        {
+            await storageLock.WaitAsync();
+            storageLock.Release();
+        }
+
         private static async Task<List<(string, bool)>> LoadStorageToConcurrentDictionaryAsync()
         {
             await storageLock.WaitAsync();

Flow.Launcher.Infrastructure/Storage/FlowLauncherJsonStorage.cs

@@ -1,10 +1,19 @@
 using System.IO;
+using System.Threading.Tasks;
+using CommunityToolkit.Mvvm.DependencyInjection;
 using Flow.Launcher.Infrastructure.UserSettings;
+using Flow.Launcher.Plugin;
 
 namespace Flow.Launcher.Infrastructure.Storage
 {
     public class FlowLauncherJsonStorage<T> : JsonStorage<T> where T : new()
     {
+        private static readonly string ClassName = "FlowLauncherJsonStorage";
+
+        // We should not initialize API in static constructor because it will create another API instance
+        private static IPublicAPI api = null;
+        private static IPublicAPI API => api ??= Ioc.Default.GetRequiredService<IPublicAPI>();
+
         public FlowLauncherJsonStorage()
         {
             var directoryPath = Path.Combine(DataLocation.DataDirectory(), DirectoryName);
@@ -13,5 +22,29 @@ public FlowLauncherJsonStorage()
             var filename = typeof(T).Name;
             FilePath = Path.Combine(directoryPath, $"{filename}{FileSuffix}");
         }
+
+        public new void Save()
+        {
+            try
+            {
+                base.Save();
+            }
+            catch (System.Exception e)
+            {
+                API.LogException(ClassName, $"Failed to save FL settings to path: {FilePath}", e);
+            }
+        }
+
+        public new async Task SaveAsync()
+        {
+            try
+            {
+                await base.SaveAsync();
+            }
+            catch (System.Exception e)
+            {
+                API.LogException(ClassName, $"Failed to save FL settings to path: {FilePath}", e);
+            }
+        }
     }
-}
+}

Flow.Launcher.Infrastructure/Storage/PluginJsonStorage.cs

@@ -1,5 +1,8 @@
 using System.IO;
+using System.Threading.Tasks;
+using CommunityToolkit.Mvvm.DependencyInjection;
 using Flow.Launcher.Infrastructure.UserSettings;
+using Flow.Launcher.Plugin;
 
 namespace Flow.Launcher.Infrastructure.Storage
 {
@@ -8,6 +11,12 @@ namespace Flow.Launcher.Infrastructure.Storage
         // Use assembly name to check which plugin is using this storage
         public readonly string AssemblyName;
 
+        private static readonly string ClassName = "PluginJsonStorage";
+
+        // We should not initialize API in static constructor because it will create another API instance
+        private static IPublicAPI api = null;
+        private static IPublicAPI API => api ??= Ioc.Default.GetRequiredService<IPublicAPI>();
+
         public PluginJsonStorage()
         {
             // C# related, add python related below
@@ -23,5 +32,29 @@ public PluginJsonStorage(T data) : this()
         {
             Data = data;
         }
+
+        public new void Save()
+        {
+            try
+            {
+                base.Save();
+            }
+            catch (System.Exception e)
+            {
+                API.LogException(ClassName, $"Failed to save plugin settings to path: {FilePath}", e);
+            }
+        }
+
+        public new async Task SaveAsync()
+        {
+            try
+            {
+                await base.SaveAsync();
+            }
+            catch (System.Exception e)
+            {
+                API.LogException(ClassName, $"Failed to save plugin settings to path: {FilePath}", e);
+            }
+        }
     }
 }

Flow.Launcher.Infrastructure/Win32Helper.cs

@@ -488,5 +488,16 @@ or PInvoke.LOCALE_TRANSIENT_KEYBOARD3
         }
 
         #endregion
+
+        #region Notification
+
+        public static bool IsNotificationSupported()
+        {
+            // Notifications only supported on Windows 10 19041+
+            return RuntimeInformation.IsOSPlatform(OSPlatform.Windows) &&
+                Environment.OSVersion.Version.Build >= 19041;
+        }
+
+        #endregion
     }
 }

Flow.Launcher/App.xaml.cs

@@ -304,6 +304,14 @@ protected virtual void Dispose(bool disposing)
                     return;
                 }
 
+                // If we call Environment.Exit(0), the application dispose will be called before _mainWindow.Close()
+                // Accessing _mainWindow?.Dispatcher will cause the application stuck
+                // So here we need to check it and just return so that we will not acees _mainWindow?.Dispatcher
+                if (!_mainWindow.CanClose)
+                {
+                    return;
+                }
+
                 _disposed = true;
             }
 

Flow.Launcher/MainWindow.xaml.cs

@@ -32,6 +32,13 @@ namespace Flow.Launcher
 {
     public partial class MainWindow : IDisposable
     {
+        #region Public Property
+
+        // Window Event: Close Event
+        public bool CanClose { get; set; } = false;
+
+        #endregion
+
         #region Private Fields
 
         // Dependency Injection
@@ -45,8 +52,6 @@ public partial class MainWindow : IDisposable
         private readonly ContextMenu _contextMenu = new();
         private readonly MainViewModel _viewModel;
 
-        // Window Event: Close Event
-        private bool _canClose = false;
         // Window Event: Key Event
         private bool _isArrowKeyPressed = false;
 
@@ -279,15 +284,15 @@ private async void OnLoaded(object sender, RoutedEventArgs _)
 
         private async void OnClosing(object sender, CancelEventArgs e)
         {
-            if (!_canClose)
+            if (!CanClose)
             {
                 _notifyIcon.Visible = false;
                 App.API.SaveAppAllSettings();
                 e.Cancel = true;
                 await PluginManager.DisposePluginsAsync();
                 Notification.Uninstall();
                 // After plugins are all disposed, we can close the main window
-                _canClose = true;
+                CanClose = true;
                 // Use this instead of Close() to avoid InvalidOperationException when calling Close() in OnClosing event
                 Application.Current.Shutdown();
             }

Flow.Launcher/Notification.cs

@@ -9,8 +9,8 @@ namespace Flow.Launcher
 {
     internal static class Notification
     {
-        internal static bool legacy = Environment.OSVersion.Version.Build < 19041;
-        [System.Diagnostics.CodeAnalysis.SuppressMessage("Interoperability", "CA1416:Validate platform compatibility", Justification = "<Pending>")]
+        internal static bool legacy = !Win32Helper.IsNotificationSupported();
+
         internal static void Uninstall()
         {
             if (!legacy)
@@ -25,7 +25,6 @@ public static void Show(string title, string subTitle, string iconPath = null)
             });
         }
 
-        [System.Diagnostics.CodeAnalysis.SuppressMessage("Interoperability", "CA1416:Validate platform compatibility", Justification = "<Pending>")]
         private static void ShowInternal(string title, string subTitle, string iconPath = null)
         {
             // Handle notification for win7/8/early win10