Async core refactor

src/AppCommon/FileTime.App.Core/Tab/TabState.cs

@@ -65,9 +65,13 @@ namespace FileTime.App.Core.Tab
             return false;
         }
 
-        public IReadOnlyList<TabItem> GetCurrentSelectedItems() =>
+        public async Task<IReadOnlyList<TabItem>> GetCurrentSelectedItems()
-            SelectedItems.ContainsKey(Tab.CurrentLocation)
+        {
-            ? SelectedItems[Tab.CurrentLocation]
+            var currentLocation = await Tab.GetCurrentLocation();
+
+            return SelectedItems.ContainsKey(currentLocation)
+                ? SelectedItems[currentLocation]
                 : new List<TabItem>().AsReadOnly();
         }
     }
+}

src/AppCommon/FileTime.App.Style/Color/ColoredConsoleRenderer.cs

@@ -70,9 +70,13 @@ namespace FileTime.ConsoleUI.App.UI.Color
         }
 
         public void Clear()
+        {
+            try
             {
                 Console.SetCursorPosition(0, 0);
                 Write(new string(' ', Console.WindowHeight * Console.WindowWidth));
             }
+            catch { }
+        }
     }
 }

src/ConsoleApp/FileTime.ConsoleUI.App/Application.CommandHandlers.cs

@@ -8,12 +8,12 @@ namespace FileTime.ConsoleUI.App
     {
         private void CloseTab()
         {
-            var currentTabIndex = _panes.IndexOf(_selectedTab!);
+            var currentTabIndex = _tabs.IndexOf(_selectedTab!);
             RemoveTab(_selectedTab!);
 
-            if (_panes.Count > 0)
+            if (_tabs.Count > 0)
             {
-                _selectedTab = _panes[currentTabIndex == 0 ? 0 : currentTabIndex - 1];
+                _selectedTab = _tabs[currentTabIndex == 0 ? 0 : currentTabIndex - 1];
             }
             else
             {
@@ -22,34 +22,36 @@ namespace FileTime.ConsoleUI.App
             }
         }
 
-        private void MoveCursorUp() => _selectedTab!.SelectPreviousItem();
+        private async Task MoveCursorUp() => await _selectedTab!.SelectPreviousItem();
-        private void MoveCursorDown() => _selectedTab!.SelectNextItem();
+        private async Task MoveCursorDown() => await _selectedTab!.SelectNextItem();
-        private void GoUp() => _selectedTab!.GoUp();
+        private async Task GoUp() => await _selectedTab!.GoUp();
-        private void Open() => _selectedTab!.Open();
+        private async Task Open() => await _selectedTab!.Open();
 
-        private void MoveCursorUpPage() => _selectedTab!.SelectPreviousItem(_renderers[_selectedTab].PageSize);
+        private async Task MoveCursorUpPage() => await _selectedTab!.SelectPreviousItem(_renderers[_selectedTab].PageSize);
-        private void MoveCursorDownPage() => _selectedTab!.SelectNextItem(_renderers[_selectedTab].PageSize);
+        private async Task MoveCursorDownPage() => await _selectedTab!.SelectNextItem(_renderers[_selectedTab].PageSize);
-        private void MoveCursorToTop() => _selectedTab!.SelectFirstItem();
+        private async Task MoveCursorToTop() => await _selectedTab!.SelectFirstItem();
-        private void MoveCursorToBottom() => _selectedTab!.SelectLastItem();
+        private async Task MoveCursorToBottom() => await _selectedTab!.SelectLastItem();
 
-        private void ToggleHidden()
+        private async Task ToggleHidden()
         {
             const string hiddenFilterName = "filter_showhiddenelements";
 
-            IContainer containerToOpen = _selectedTab!.CurrentLocation;
+            var currentLocation = await _selectedTab!.GetCurrentLocation();
 
-            if (_selectedTab.CurrentLocation is VirtualContainer oldVirtualContainer)
+            IContainer containerToOpen = currentLocation;
+
+            if (currentLocation is VirtualContainer oldVirtualContainer)
             {
                 containerToOpen = oldVirtualContainer.HasWithName(hiddenFilterName)
                 ? oldVirtualContainer.ExceptWithName(hiddenFilterName)
-                : GenerateHiddenFilterVirtualContainer(_selectedTab.CurrentLocation);
+                : GenerateHiddenFilterVirtualContainer(currentLocation);
             }
             else
             {
-                containerToOpen = GenerateHiddenFilterVirtualContainer(_selectedTab.CurrentLocation);
+                containerToOpen = GenerateHiddenFilterVirtualContainer(currentLocation);
             }
 
-            _selectedTab.OpenContainer(containerToOpen);
+            await _selectedTab.OpenContainer(containerToOpen);
 
             static VirtualContainer GenerateHiddenFilterVirtualContainer(IContainer container)
             {
@@ -70,39 +72,42 @@ namespace FileTime.ConsoleUI.App
             }
         }
 
-        public void Select()
+        public async Task Select()
         {
-            if (_selectedTab!.CurrentSelectedItem != null)
+            var currentLocation = await _selectedTab!.GetCurrentLocation();
+            if (currentLocation != null)
             {
-                var currentSelectedItem = _selectedTab.CurrentSelectedItem;
+                var currentSelectedItem = await _selectedTab.GetCurrentSelectedItem()!;
-                if (_paneStates[_selectedTab].ContainsSelectedItem(currentSelectedItem.Provider, _selectedTab.CurrentLocation, currentSelectedItem.FullName!))
+                if (_paneStates[_selectedTab].ContainsSelectedItem(currentSelectedItem.Provider, currentLocation, currentSelectedItem.FullName!))
                 {
-                    _paneStates[_selectedTab].RemoveSelectedItem(currentSelectedItem.Provider, _selectedTab.CurrentLocation, currentSelectedItem.FullName!);
+                    _paneStates[_selectedTab].RemoveSelectedItem(currentSelectedItem.Provider, currentLocation, currentSelectedItem.FullName!);
                 }
                 else
                 {
-                    _paneStates[_selectedTab].AddSelectedItem(currentSelectedItem.Provider, _selectedTab.CurrentLocation, currentSelectedItem.FullName!);
+                    _paneStates[_selectedTab].AddSelectedItem(currentSelectedItem.Provider, currentLocation, currentSelectedItem.FullName!);
                 }
 
-                _selectedTab.SelectNextItem();
+                await _selectedTab.SelectNextItem();
             }
         }
 
-        public void Copy()
+        public async Task Copy()
         {
             _clipboard.Clear();
             _clipboard.SetCommand<CopyCommand>();
 
-            if (_paneStates[_selectedTab!].GetCurrentSelectedItems().Count > 0)
+            var currentSelectedItems = await _paneStates[_selectedTab!].GetCurrentSelectedItems();
+            if (currentSelectedItems.Count > 0)
             {
-                foreach (var selectedItem in _paneStates[_selectedTab!].GetCurrentSelectedItems())
+                foreach (var selectedItem in currentSelectedItems)
                 {
                     _clipboard.AddContent(selectedItem.ContentProvider, selectedItem.Path);
                 }
             }
             else
             {
-                _clipboard.AddContent(_selectedTab!.CurrentSelectedItem!.Provider, _selectedTab.CurrentSelectedItem.FullName!);
+                var currentSelectedItem = (await _selectedTab!.GetCurrentSelectedItem())!;
+                _clipboard.AddContent(currentSelectedItem.Provider, currentSelectedItem.FullName!);
             }
         }
 
@@ -112,21 +117,21 @@ namespace FileTime.ConsoleUI.App
             _clipboard.SetCommand<MoveCommand>();
         }
 
-        public void PasteMerge()
+        public async Task PasteMerge()
         {
-            Paste(TransportMode.Merge);
+            await Paste(TransportMode.Merge);
         }
-        public void PasteOverwrite()
+        public async Task PasteOverwrite()
         {
-            Paste(TransportMode.Overwrite);
+            await Paste(TransportMode.Overwrite);
         }
 
-        public void PasteSkip()
+        public async Task PasteSkip()
         {
-            Paste(TransportMode.Skip);
+            await Paste(TransportMode.Skip);
         }
 
-        private void Paste(TransportMode transportMode)
+        private async Task Paste(TransportMode transportMode)
         {
             if (_clipboard.CommandType != null)
             {
@@ -140,9 +145,10 @@ namespace FileTime.ConsoleUI.App
                     command.Sources.Add(item);
                 }
 
-                command.Target = _selectedTab.CurrentLocation is VirtualContainer virtualContainer
+                var currentLocation = await _selectedTab!.GetCurrentLocation();
+                command.Target = currentLocation is VirtualContainer virtualContainer
                     ? virtualContainer.BaseContainer
-                    : _selectedTab.CurrentLocation;
+                    : currentLocation;
 
                 _commandExecutor.ExecuteCommand(command);
 
@@ -150,24 +156,25 @@ namespace FileTime.ConsoleUI.App
             }
         }
 
-        private void CreateContainer()
+        private async Task CreateContainer()
         {
-            if (_selectedTab?.CurrentLocation != null)
+            var currentLocation = await _selectedTab?.GetCurrentLocation();
+            if (currentLocation != null)
             {
                 _coloredConsoleRenderer.ResetColor();
                 MoveToIOLine(2);
                 _coloredConsoleRenderer.Write("New container name: ");
-                var newContainerName = _consoleReader.ReadText(validator: Validator);
+                var newContainerName = await _consoleReader.ReadText(validator: Validator);
 
                 if (!string.IsNullOrWhiteSpace(newContainerName))
                 {
-                    _selectedTab.CurrentLocation.CreateContainer(newContainerName);
+                    await currentLocation.CreateContainer(newContainerName);
                 }
             }
 
-            void Validator(string newPath)
+            async Task Validator(string newPath)
             {
-                if (_selectedTab!.CurrentLocation.IsExists(newPath))
+                if (await currentLocation.IsExists(newPath))
                 {
                     _coloredConsoleRenderer.ForegroundColor = _styles.ErrorColor;
                 }
@@ -178,30 +185,33 @@ namespace FileTime.ConsoleUI.App
             }
         }
 
-        private void HardDelete()
+        private async Task HardDelete()
         {
-            IList<IAbsolutePath> itemsToDelete = null;
+            IList<IAbsolutePath>? itemsToDelete = null;
 
-            if (_paneStates[_selectedTab!].GetCurrentSelectedItems().Count > 0)
+            var currentSelectedItems = await _paneStates[_selectedTab!].GetCurrentSelectedItems();
+            var currentSelectedItem = await _selectedTab?.GetCurrentSelectedItem();
+            if (currentSelectedItems.Count > 0)
             {
                 var delete = true;
 
-                if (_paneStates[_selectedTab!].GetCurrentSelectedItems().Count == 1
+                //FIXME: check 'is Container'
-                    && _paneStates[_selectedTab!].GetCurrentSelectedItems()[0] is IContainer container
+                if (currentSelectedItems.Count == 1
-                    && container.Items.Count > 0)
+                    && currentSelectedItems[0] is IContainer container
+                    && (await container.GetItems())?.Count > 0)
                 {
                     delete = AskForApprove($"The container '{container.Name}' is not empty.");
                 }
 
                 if (delete)
                 {
-                    itemsToDelete = _paneStates[_selectedTab].GetCurrentSelectedItems().Cast<IAbsolutePath>().ToList();
+                    itemsToDelete = currentSelectedItems.Cast<IAbsolutePath>().ToList();
                 }
             }
-            else if (_selectedTab?.CurrentSelectedItem != null)
+            else if (currentSelectedItem != null)
             {
                 bool delete = true;
-                if (_selectedTab?.CurrentSelectedItem is IContainer container && container.Items.Count > 0)
+                if (currentSelectedItem is IContainer container && (await container.GetItems())?.Count > 0)
                 {
                     delete = AskForApprove($"The container '{container.Name}' is not empty.");
                 }
@@ -210,7 +220,7 @@ namespace FileTime.ConsoleUI.App
                 {
                     itemsToDelete = new List<IAbsolutePath>()
                     {
-                        new AbsolutePath(_selectedTab.CurrentSelectedItem.Provider, _selectedTab.CurrentSelectedItem.FullName!)
+                        new AbsolutePath(currentSelectedItem.Provider, currentSelectedItem.FullName!)
                     };
                 }
             }

src/ConsoleApp/FileTime.ConsoleUI.App/Application.cs

@@ -15,7 +15,7 @@ namespace FileTime.ConsoleUI.App
 {
     public partial class Application
     {
-        private readonly List<Tab> _panes = new();
+        private readonly List<Tab> _tabs = new();
         private readonly Dictionary<Tab, Render> _renderers = new();
         private readonly Dictionary<Tab, TabState> _paneStates = new();
         private Tab? _selectedTab;
@@ -48,29 +48,30 @@ namespace FileTime.ConsoleUI.App
             InitCommandBindings();
         }
 
-        public void SetContainer(IContainer currentPath)
+        public async Task SetContainer(IContainer currentPath)
         {
-            _selectedTab = CreateTab(currentPath);
+            _selectedTab = await CreateTab(currentPath);
         }
 
-        private Tab CreateTab(IContainer container)
+        private async Task<Tab> CreateTab(IContainer container)
         {
-            var pane = new Tab(container);
+            var tab = new Tab();
-            _panes.Add(pane);
+            await tab.Init(container);
+            _tabs.Add(tab);
 
-            var paneState = new TabState(pane);
+            var paneState = new TabState(tab);
-            _paneStates.Add(pane, paneState);
+            _paneStates.Add(tab, paneState);
 
             var renderer = _serviceProvider.GetService<Render>()!;
-            renderer.Init(pane, paneState);
+            renderer.Init(tab, paneState);
-            _renderers.Add(pane, renderer);
+            _renderers.Add(tab, renderer);
 
-            return pane;
+            return tab;
         }
 
         private void RemoveTab(Tab pane)
         {
-            _panes.Remove(pane);
+            _tabs.Remove(pane);
             _renderers.Remove(pane);
             _paneStates.Remove(pane);
         }
@@ -181,15 +182,15 @@ namespace FileTime.ConsoleUI.App
             _commandBindings.AddRange(commandBindings);
         }
 
-        public void PrintUI()
+        public async Task PrintUI(CancellationToken token = default)
         {
             if (_selectedTab != null)
             {
-                _renderers[_selectedTab].PrintUI();
+                await _renderers[_selectedTab].PrintUI(token);
             }
         }
 
-        public bool ProcessKey(ConsoleKeyInfo keyinfo)
+        public async Task<bool> ProcessKey(ConsoleKeyInfo keyinfo)
         {
             var key = keyinfo.Key;
             _previousKeys.Add(keyinfo);
@@ -208,7 +209,7 @@ namespace FileTime.ConsoleUI.App
             }
             else if (selectedCommandBinding != null)
             {
-                selectedCommandBinding.Invoke();
+                await selectedCommandBinding.InvokeAsync();
                 _previousKeys.Clear();
             }
             else

src/ConsoleApp/FileTime.ConsoleUI.App/Command/CommandBinding.cs

@@ -4,14 +4,14 @@ namespace FileTime.ConsoleUI.App.Command
 {
     public class CommandBinding
     {
-        private readonly Action _commandHandler;
+        private readonly Func<Task> _commandHandler;
 
         public string Name { get; }
 
         public ConsoleKeyInfo[] Keys { get; }
         public Commands Command { get; }
 
-        public CommandBinding(string name, Commands command, ConsoleKeyInfo[] keys, Action commandHandler)
+        public CommandBinding(string name, Commands command, ConsoleKeyInfo[] keys, Func<Task> commandHandler)
         {
             Name = name;
             Command = command;
@@ -19,6 +19,11 @@ namespace FileTime.ConsoleUI.App.Command
             _commandHandler = commandHandler;
         }
 
-        public void Invoke() => _commandHandler();
+        public CommandBinding(string name, Commands command, ConsoleKeyInfo[] keys, Action commandHandler)
+            : this(name, command, keys, () => { commandHandler(); return Task.CompletedTask; })
+        {
+        }
+
+        public async Task InvokeAsync() => await _commandHandler();
     }
 }

src/ConsoleApp/FileTime.ConsoleUI.App/UI/ConsoleInputInterface.cs

@@ -15,7 +15,7 @@ namespace FileTime.ConsoleUI.App.UI
             _coloredConsoleRenderer = coloredConsoleRenderer;
             _consoleReader = consoleReader;
         }
-        public string?[] ReadInputs(IEnumerable<InputElement> fields)
+        public async Task<string?[]> ReadInputs(IEnumerable<InputElement> fields)
         {
             var results = new List<string?>();
 
@@ -26,7 +26,7 @@ namespace FileTime.ConsoleUI.App.UI
                 _application.MoveToIOLine();
                 _coloredConsoleRenderer.Write(input.Text + ": ");
 
-                results.Add(_consoleReader.ReadText(placeHolder: input.InputType == InputType.Password ? '*' : null));
+                results.Add(await _consoleReader.ReadText(placeHolder: input.InputType == InputType.Password ? '*' : null));
             }
 
             return results.ToArray();

src/ConsoleApp/FileTime.ConsoleUI.App/UI/ConsoleReader.cs

@@ -10,7 +10,7 @@ namespace FileTime.ConsoleUI.App.UI
         {
             _coloredConsoleRenderer = coloredConsoleRenderer;
         }
-        public string? ReadText(int? maxLength = null, Action<string>? validator = null, char? placeHolder = null)
+        public async Task<string?> ReadText(int? maxLength = null, Func<string, Task>? validator = null, char? placeHolder = null)
         {
             var cursorVisible = false;
             try
@@ -73,7 +73,7 @@ namespace FileTime.ConsoleUI.App.UI
 
                     position++;
                 }
-                validator?.Invoke(input);
+                await validator?.Invoke(input);
 
                 Console.SetCursorPosition(currentConsoleLeft, currentConsoleTop);
                 _coloredConsoleRenderer.Write($"{{0,-{maxLength}}}", placeHolder == null ? input : new string((char)placeHolder, input.Length));

src/ConsoleApp/FileTime.ConsoleUI.App/UI/Render.cs

@@ -48,33 +48,37 @@ namespace FileTime.ConsoleUI.App.UI
             TabState = paneState;
         }
 
-        public void PrintUI()
+        public async Task PrintUI(CancellationToken token = default)
         {
             if (Tab != null)
             {
-                PrintPrompt();
+                await PrintPrompt(token);
-                PrintTabs();
+                await PrintTabs(token);
             }
         }
 
-        private void PrintTabs()
+        private async Task PrintTabs(CancellationToken token = default)
         {
             var previousColumnWidth = (int)Math.Floor(Console.WindowWidth * 0.15) - 1;
             var currentColumnWidth = (int)Math.Floor(Console.WindowWidth * 0.4) - 1;
             var nextColumnWidth = Console.WindowWidth - currentColumnWidth - previousColumnWidth - 2;
-            var currentVirtualContainer = Tab!.CurrentLocation as VirtualContainer;
 
-            if (Tab.CurrentLocation.GetParent() is var parentContainer && parentContainer is not null)
+            var currentLocation = (await Tab!.GetCurrentLocation())!;
+            var currentSelectedItem = (await Tab!.GetCurrentSelectedItem())!;
+
+            var currentVirtualContainer = currentLocation as VirtualContainer;
+
+            if (currentLocation.GetParent() is var parentContainer && parentContainer is not null)
             {
-                parentContainer.Refresh();
+                await parentContainer.Refresh();
 
-                PrintColumn(
+                await PrintColumn(
                     currentVirtualContainer != null
                         ? currentVirtualContainer.CloneVirtualChainFor(parentContainer, v => v.IsTransitive)
                         : parentContainer,
                     currentVirtualContainer != null
                         ? currentVirtualContainer.GetRealContainer()
-                        : Tab.CurrentLocation,
+                        : currentLocation,
                     PrintMode.Previous,
                     0,
                     _contentPaddingTop,
@@ -90,29 +94,35 @@ namespace FileTime.ConsoleUI.App.UI
                     _contentRowCount);
             }
 
-            Tab.CurrentLocation.Refresh();
+            if (token.IsCancellationRequested) return;
 
-            CheckAndSetCurrentDisplayStartY();
+            await currentLocation.Refresh();
-            PrintColumn(
+
-                Tab.CurrentLocation,
+            await CheckAndSetCurrentDisplayStartY();
-                Tab.CurrentSelectedItem,
+            await PrintColumn(
+                currentLocation,
+                currentSelectedItem,
                 PrintMode.Current,
                 previousColumnWidth + 1,
                 _contentPaddingTop,
                 currentColumnWidth,
                 _contentRowCount);
 
-            if (Tab.CurrentSelectedItem is IContainer selectedContainer)
+            if (token.IsCancellationRequested) return;
+
+            if (currentSelectedItem is IContainer selectedContainer)
             {
-                selectedContainer.Refresh();
+                await selectedContainer.Refresh();
 
                 selectedContainer = currentVirtualContainer != null
                     ? currentVirtualContainer.CloneVirtualChainFor(selectedContainer, v => v.IsTransitive)
                     : selectedContainer;
 
-                PrintColumn(
+                var selectedContainerItems = (await selectedContainer.GetItems())!;
+
+                await PrintColumn(
                     selectedContainer,
-                    selectedContainer.Items.Count > 0 ? selectedContainer.Items[0] : null,
+                    selectedContainerItems.Count > 0 ? selectedContainerItems[0] : null,
                     PrintMode.Next,
                     previousColumnWidth + currentColumnWidth + 2,
                     _contentPaddingTop,
@@ -129,8 +139,11 @@ namespace FileTime.ConsoleUI.App.UI
             }
         }
 
-        private void PrintPrompt()
+        private async Task PrintPrompt(CancellationToken token = default)
         {
+            var currentLocation = await Tab!.GetCurrentLocation();
+            var currentSelectedItem = await Tab!.GetCurrentSelectedItem();
+
             Console.SetCursorPosition(0, 0);
             _coloredRenderer.ResetColor();
             _coloredRenderer.ForegroundColor = _appStyle.AccentForeground;
@@ -140,24 +153,24 @@ namespace FileTime.ConsoleUI.App.UI
             _coloredRenderer.Write(' ');
 
             _coloredRenderer.ForegroundColor = _appStyle.ContainerForeground;
-            var path = Tab!.CurrentLocation.FullName + "/";
+            var path = currentLocation.FullName + "/";
             _coloredRenderer.Write(path);
 
-            if (Tab.CurrentSelectedItem?.Name != null)
+            if (currentSelectedItem?.Name != null)
             {
                 _coloredRenderer.ResetColor();
-                _coloredRenderer.Write($"{{0,-{300 - path.Length}}}", Tab.CurrentSelectedItem.Name);
+                _coloredRenderer.Write($"{{0,-{300 - path.Length}}}", currentSelectedItem.Name);
             }
         }
 
-        private void PrintColumn(IContainer currentContainer, IItem? currentItem, PrintMode printMode, int startX, int startY, int elementWidth, int availableRows)
+        private async Task PrintColumn(IContainer currentContainer, IItem? currentItem, PrintMode printMode, int startX, int startY, int elementWidth, int availableRows, CancellationToken token = default)
         {
-            var allItem = currentContainer.Containers.Cast<IItem>().Concat(currentContainer.Elements).ToList();
+            var allItem = (await currentContainer.GetItems())!.ToList();
             var printedItemsCount = 0;
             var currentY = 0;
             if (allItem.Count > 0)
             {
-                var currentIndex = allItem.FindIndex(i => i == currentItem);
+                var currentIndex = allItem.FindIndex(i => i.Name == currentItem?.Name);
 
                 var skipElements = printMode switch
                 {
@@ -169,7 +182,7 @@ namespace FileTime.ConsoleUI.App.UI
 
                 var maxTextWidth = elementWidth - ITEMPADDINGLEFT - ITEMPADDINGRIGHT;
 
-                var itemsToPrint = currentContainer.Items.Skip(skipElements).Take(availableRows).ToList();
+                var itemsToPrint = (await currentContainer.GetItems())!.Skip(skipElements).Take(availableRows).ToList();
                 printedItemsCount = itemsToPrint.Count;
                 foreach (var item in itemsToPrint)
                 {
@@ -182,7 +195,7 @@ namespace FileTime.ConsoleUI.App.UI
                     var container = item as IContainer;
                     var element = item as IElement;
 
-                    attributePart = container != null ? "" + container.Items.Count : element!.GetPrimaryAttributeText();
+                    attributePart = container != null ? "" + (await container.GetItems())!.Count : element!.GetPrimaryAttributeText();
 
                     IConsoleColor? backgroundColor = null;
                     IConsoleColor? foregroundColor = null;
@@ -213,7 +226,7 @@ namespace FileTime.ConsoleUI.App.UI
                         foregroundColor = _appStyle.SelectedItemForeground;
                     }
 
-                    if (item == currentItem)
+                    if (item.Name == currentItem?.Name)
                     {
                         (backgroundColor, foregroundColor) = (foregroundColor, backgroundColor);
                     }
@@ -224,6 +237,7 @@ namespace FileTime.ConsoleUI.App.UI
                     var text = string.Format($"{{0,-{elementWidth}}}", _paddingLeft + (isSelected ? " " : "") + namePart + _paddingRight);
                     text = string.Concat(text.AsSpan(0, text.Length - attributePart.Length - 1), " ", attributePart);
 
+                    if (token.IsCancellationRequested) return;
                     Console.SetCursorPosition(startX, startY + currentY++);
                     _coloredRenderer.Write(text);
 
@@ -262,7 +276,7 @@ namespace FileTime.ConsoleUI.App.UI
             }
         }
 
-        private void CheckAndSetCurrentDisplayStartY()
+        private async Task CheckAndSetCurrentDisplayStartY()
         {
             const int padding = 5;
 
@@ -273,7 +287,7 @@ namespace FileTime.ConsoleUI.App.UI
             }
 
             while (Tab.CurrentSelectedIndex > _currentDisplayStartY + _contentRowCount - padding
-                    && _currentDisplayStartY < Tab.CurrentLocation.Items.Count - _contentRowCount)
+                    && _currentDisplayStartY < (await (await Tab.GetCurrentLocation()).GetItems())!.Count - _contentRowCount)
             {
                 _currentDisplayStartY++;
             }

src/ConsoleApp/FileTime.ConsoleUI.App/UI/RenderSynchronizer.cs

@@ -0,0 +1,44 @@
+namespace FileTime.ConsoleUI.App.UI
+{
+    public class RenderSynchronizer
+    {
+        private readonly object renderLock = new();
+        private readonly Application _application;
+        private bool _needsRender;
+
+        private CancellationTokenSource renderCancellationSource = new();
+
+        public RenderSynchronizer(Application application)
+        {
+            _application = application;
+        }
+        public async void Start()
+        {
+            while (_application.IsRunning)
+            {
+                if (_needsRender)
+                {
+                    lock (renderLock)
+                    {
+                        _needsRender = false;
+                        renderCancellationSource = new();
+                    }
+
+                    await _application.PrintUI(renderCancellationSource.Token);
+                }
+            }
+        }
+
+        public void NeedsReRender()
+        {
+            lock (renderLock)
+            {
+                _needsRender = true;
+                if (renderCancellationSource.Token.CanBeCanceled)
+                {
+                    renderCancellationSource.Cancel();
+                }
+            }
+        }
+    }
+}

src/ConsoleApp/FileTime.ConsoleUI/Program.cs

@@ -15,49 +15,62 @@ namespace FileTime.ConsoleUI
     public class Program
     {
         static ILogger<Program>? _logger;
+        static Thread? _renderThread;
 
-        public static void Main()
+        public static async Task Main()
         {
             var serviceProvider = CreateServiceProvider();
             _logger = serviceProvider.GetService<ILogger<Program>>()!;
 
             var coloredConsoleRenderer = serviceProvider.GetService<IColoredConsoleRenderer>()!;
             var localContentProvider = serviceProvider.GetService<LocalContentProvider>()!;
+            var renderSynchronizer = serviceProvider.GetService<RenderSynchronizer>()!;
 
             var currentPath = Environment.CurrentDirectory.Replace(Path.DirectorySeparatorChar, Constants.SeparatorChar);
             _logger.LogInformation("Current directory: '{0}'", currentPath);
-            var currentPossibleDirectory = localContentProvider.GetByPath(currentPath);
+            var currentPossibleDirectory = await localContentProvider.GetByPath(currentPath);
 
             if (currentPossibleDirectory is IContainer container)
             {
                 serviceProvider.GetService<TopContainer>();
                 coloredConsoleRenderer.Clear();
+                try
+                {
                     Console.CursorVisible = false;
+                }
+                catch { }
 
                 var app = serviceProvider.GetService<Application>()!;
-                app.SetContainer(container);
+                await app.SetContainer(container);
-                app.PrintUI();
+                renderSynchronizer.NeedsReRender();
+
+                _renderThread = new Thread(new ThreadStart(renderSynchronizer.Start));
+                _renderThread.Start();
 
                 while (app.IsRunning)
                 {
-                    if (app.ProcessKey(Console.ReadKey(true)))
+                    if (await app.ProcessKey(Console.ReadKey(true)))
                     {
-                        app.PrintUI();
+                        renderSynchronizer.NeedsReRender();
                     }
                 }
 
+                renderSynchronizer.NeedsReRender();
+
                 Console.SetCursorPosition(0, Console.WindowHeight - 1);
 
                 Console.CursorVisible = true;
             }
             else
             {
-                Console.WriteLine("Current working directory is not a directory???");
+                Console.WriteLine("Current working directory is not a directory??? Possible directory's type is: '" + currentPossibleDirectory?.GetType() + "'");
                 Thread.Sleep(100);
             }
         }
 
         private static bool IsAnsiColorSupported()
+        {
+            try
             {
                 Console.CursorLeft = 0;
                 Console.CursorTop = 0;
@@ -66,12 +79,19 @@ namespace FileTime.ConsoleUI
 
                 return Console.CursorLeft == 1 && Console.CursorTop == 0;
             }
+            catch
+            {
+                return false;
+            }
+        }
 
         private static ServiceProvider CreateServiceProvider()
         {
             return DependencyInjection.RegisterDefaultServices()
-                .AddLogging(/* (builder) => builder.AddConsole().AddDebug() */)
+                //.AddLogging()
+                .AddLogging((builder) => builder.AddConsole().AddDebug())
                 .AddSingleton<Application>()
+                .AddSingleton<RenderSynchronizer>()
                 .AddSingleton<IStyles>(new Styles(IsAnsiColorSupported()))
                 .AddSingleton<IColoredConsoleRenderer, ColoredConsoleRenderer>()
                 .AddSingleton<ConsoleReader>()

src/Core/AsyncEvent/AsyncEvent.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

src/Core/AsyncEvent/AsyncEventArgs.cs

@@ -0,0 +1,7 @@
+namespace AsyncEvent
+{
+    public class AsyncEventArgs
+    {
+        public static AsyncEventArgs Empty = new AsyncEventArgs();
+    }
+}

src/Core/AsyncEvent/AsyncEventHandler.cs

@@ -0,0 +1,68 @@
+namespace AsyncEvent
+{
+    public class AsyncEventHandler<TSender, TArg> where TArg : AsyncEventArgs
+    {
+        private readonly List<Func<TSender, TArg, Task>> _handlers;
+        private readonly Action<Func<TSender, TArg, Task>> _add;
+        private readonly Action<Func<TSender, TArg, Task>> _remove;
+
+        public IReadOnlyList<Func<TSender, TArg, Task>> Handlers { get; }
+
+        public AsyncEventHandler(Action<Func<TSender, TArg, Task>>? add = null, Action<Func<TSender, TArg, Task>>? remove = null)
+        {
+            _handlers = new List<Func<TSender, TArg, Task>>();
+            Handlers = _handlers.AsReadOnly();
+            _add = add ?? AddInternal;
+            _remove = remove ?? RemoveInternal;
+        }
+
+        public void Add(Func<TSender, TArg, Task> handler)
+        {
+            _add.Invoke(handler);
+        }
+
+        public void Remove(Func<TSender, TArg, Task> handler)
+        {
+            _remove.Invoke(handler);
+        }
+
+        private void AddInternal(Func<TSender, TArg, Task> handler)
+        {
+            _handlers.Add(handler);
+        }
+
+        private void RemoveInternal(Func<TSender, TArg, Task> handler)
+        {
+            _handlers.Remove(handler);
+        }
+
+        public async Task InvokeAsync(TSender sender, TArg args)
+        {
+            foreach(var handler in _handlers)
+            {
+                await handler(sender, args);
+            }
+        }
+
+        public static AsyncEventHandler<TSender, TArg> operator +(AsyncEventHandler<TSender, TArg> obj, Func<TSender, TArg, Task> handler)
+        {
+            obj.Add(handler);
+            return obj;
+        }
+
+        public static AsyncEventHandler<TSender, TArg> operator -(AsyncEventHandler<TSender, TArg> obj, Func<TSender, TArg, Task> handler)
+        {
+            obj.Remove(handler);
+            return obj;
+        }
+    }
+    public class AsyncEventHandler<TArg> : AsyncEventHandler<object?, AsyncEventArgs> where TArg : AsyncEventArgs
+    {
+        public AsyncEventHandler(Action<Func<object?, TArg, Task>>? add = null, Action<Func<object?, TArg, Task>>? remove = null) : base(add, remove) { }
+    }
+
+    public class AsyncEventHandler : AsyncEventHandler<AsyncEventArgs>
+    {
+        public AsyncEventHandler(Action<Func<object?, AsyncEventArgs, Task>>? add = null, Action<Func<object?, AsyncEventArgs, Task>>? remove = null) : base(add, remove) { }
+    }
+}

src/Core/FileTime.Core/Command/CopyCommand.cs

@@ -16,38 +16,39 @@ namespace FileTime.Core.Command
             throw new NotImplementedException();
         }
 
-        public void Execute(Action<IAbsolutePath, IAbsolutePath> copy)
+        public async Task Execute(Action<IAbsolutePath, IAbsolutePath> copy)
         {
-            DoCopy(Sources, Target, TransportMode, copy);
+            await DoCopy(Sources, Target, TransportMode, copy);
         }
 
-        private void DoCopy(IEnumerable<IAbsolutePath> sources, IContainer target, TransportMode transportMode, Action<IAbsolutePath, IAbsolutePath> copy)
+        private async Task DoCopy(IEnumerable<IAbsolutePath> sources, IContainer target, TransportMode transportMode, Action<IAbsolutePath, IAbsolutePath> copy)
         {
             foreach (var source in sources)
             {
-                var item = source.ContentProvider.GetByPath(source.Path);
+                var item = await source.ContentProvider.GetByPath(source.Path);
 
                 if (item is IContainer container)
                 {
-                    var targetContainer = target.Containers.FirstOrDefault(d => d.Name == container.Name) ?? (target.CreateContainer(container.Name)!);
+                    var targetContainer = (await target.GetContainers())?.FirstOrDefault(d => d.Name == container.Name) ?? (await target.CreateContainer(container.Name)!);
 
-                    var childDirectories = container.Containers.Select(d => new AbsolutePath(item.Provider, d.FullName!));
+                    var childDirectories = (await container.GetContainers())!.Select(d => new AbsolutePath(item.Provider, d.FullName!));
-                    var childFiles = container.Elements.Select(f => new AbsolutePath(item.Provider, f.FullName!));
+                    var childFiles = (await container.GetElements())!.Select(f => new AbsolutePath(item.Provider, f.FullName!));
 
-                    DoCopy(childDirectories.Concat(childFiles), targetContainer, transportMode, copy);
+                    await DoCopy(childDirectories.Concat(childFiles), targetContainer, transportMode, copy);
                 }
                 else if (item is IElement element)
                 {
                     var targetName = element.Name;
 
+                    var targetNameExists = await target.IsExists(targetName);
                     if (transportMode == TransportMode.Merge)
                     {
-                        for (var i = 0; target.IsExists(targetName); i++)
+                        for (var i = 0; targetNameExists; i++)
                         {
                             targetName = element.Name + (i == 0 ? "_" : $"_{i}");
                         }
                     }
-                    else if (transportMode == TransportMode.Skip && target.IsExists(targetName))
+                    else if (transportMode == TransportMode.Skip && targetNameExists)
                     {
                         continue;
                     }

src/Core/FileTime.Core/Command/DeleteCommand.cs

@@ -12,29 +12,29 @@ namespace FileTime.Core.Command
             throw new NotImplementedException();
         }
 
-        public void Execute()
+        public async Task Execute()
         {
             foreach (var item in ItemsToDelete)
             {
-                DoDelete(item.ContentProvider.GetByPath(item.Path)!);
+                await DoDelete(await item.ContentProvider.GetByPath(item.Path)!);
             }
         }
 
-        private void DoDelete(IItem item)
+        private async Task DoDelete(IItem item)
         {
             if (item is IContainer container)
             {
-                foreach (var child in container.Items)
+                foreach (var child in await container.GetItems())
                 {
-                    DoDelete(child);
+                    await DoDelete(child);
-                    child.Delete();
+                    await child.Delete();
                 }
 
-                item.Delete();
+                await item.Delete();
             }
             else if(item is IElement element)
             {
-                element.Delete();
+                await element.Delete();
             }
         }
     }

src/Core/FileTime.Core/Command/IExecutableCommand.cs

@@ -2,6 +2,6 @@ namespace FileTime.Core.Command
 {
     public interface IExecutableCommand : ICommand
     {
-        void Execute();
+        Task Execute();
     }
 }

src/Core/FileTime.Core/Components/Tab.cs

@@ -1,3 +1,4 @@
+using AsyncEvent;
 using FileTime.Core.Models;
 
 namespace FileTime.Core.Components
@@ -7,7 +8,7 @@ namespace FileTime.Core.Components
         private IItem? _currentSelectedItem;
         private IContainer _currentLocation;
 
-        public IContainer CurrentLocation
+        /* public IContainer CurrentLocation
         {
             get => _currentLocation;
             private set
@@ -38,75 +39,122 @@ namespace FileTime.Core.Components
                     CurrentSelectedItemChanged?.Invoke(this, EventArgs.Empty);
                 }
             }
-        }
+        } */
         public int CurrentSelectedIndex { get; private set; }
 
         public event EventHandler CurrentLocationChanged;
         public event EventHandler CurrentSelectedItemChanged;
 
-        public Tab(IContainer currentPath)
+        public async Task Init(IContainer currentPath)
         {
-            CurrentLocation = currentPath;
+            await SetCurrentLocation(currentPath);
-            CurrentSelectedItem = CurrentLocation.Items.Count > 0 ? CurrentLocation.Items[0] : null;
         }
 
-        private void HandleCurrentLocationRefresh(object? sender, EventArgs e)
+        public Task<IContainer> GetCurrentLocation()
         {
-            var currentSelectedName = CurrentSelectedItem?.FullName;
+            return Task.FromResult(_currentLocation);
+        }
+
+        public async Task SetCurrentLocation(IContainer value)
+        {
+            if (_currentLocation != value)
+            {
+                if (_currentLocation != null)
+                {
+                    _currentLocation.Refreshed.Remove(HandleCurrentLocationRefresh);
+                }
+
+                _currentLocation = value;
+                CurrentLocationChanged?.Invoke(this, EventArgs.Empty);
+
+                var currentLocationItems = (await (await GetCurrentLocation()).GetItems())!;
+                await SetCurrentSelectedItem(currentLocationItems.Count > 0 ? currentLocationItems[0] : null);
+                _currentLocation.Refreshed.Add(HandleCurrentLocationRefresh);
+            }
+        }
+
+        public Task<IItem?> GetCurrentSelectedItem()
+        {
+            return Task.FromResult(_currentSelectedItem);
+        }
+
+        public async Task SetCurrentSelectedItem(IItem? value)
+        {
+            if (_currentSelectedItem != value)
+            {
+                var contains = (await _currentLocation.GetItems())?.Contains(value) ?? false;
+                if(value != null && !contains) throw new IndexOutOfRangeException("Provided item does not exists in the current container.");
+
+                _currentSelectedItem = value;
+                CurrentSelectedIndex = await GetItemIndex(value);
+                CurrentSelectedItemChanged?.Invoke(this, EventArgs.Empty);
+            }
+        }
+
+        private async Task HandleCurrentLocationRefresh(object? sender, AsyncEventArgs e)
+        {
+            var currentSelectedName = (await GetCurrentSelectedItem())?.FullName;
+            var currentLocationItems = (await (await GetCurrentLocation()).GetItems())!;
             if (currentSelectedName != null)
             {
-                CurrentSelectedItem = CurrentLocation.Items.FirstOrDefault(i => i.FullName == currentSelectedName) ?? _currentLocation.Items.FirstOrDefault();
+                await SetCurrentSelectedItem(currentLocationItems.FirstOrDefault(i => i.FullName == currentSelectedName) ?? currentLocationItems.FirstOrDefault());
             }
-            else if (CurrentLocation.Items.Count > 0)
+            else if (currentLocationItems.Count > 0)
             {
-                CurrentSelectedItem = CurrentLocation.Items[0];
+                await SetCurrentSelectedItem(currentLocationItems[0]);
             }
         }
 
-        public void SelectFirstItem()
+        public async Task SelectFirstItem()
         {
-            if (CurrentLocation.Items.Count > 0)
+            var currentLocationItems = (await (await GetCurrentLocation()).GetItems())!;
+            if (currentLocationItems.Count > 0)
             {
-                CurrentSelectedItem = CurrentLocation.Items[0];
+                await SetCurrentSelectedItem(currentLocationItems[0]);
             }
         }
 
-        public void SelectLastItem()
+        public async Task SelectLastItem()
         {
-            if (CurrentLocation.Items.Count > 0)
+            var currentLocationItems = (await (await GetCurrentLocation()).GetItems())!;
+            if (currentLocationItems.Count > 0)
             {
-                CurrentSelectedItem = CurrentLocation.Items[CurrentLocation.Items.Count - 1];
+                await SetCurrentSelectedItem(currentLocationItems[currentLocationItems.Count - 1]);
             }
         }
 
-        public void SelectPreviousItem(int skip = 0)
+        public async Task SelectPreviousItem(int skip = 0)
         {
-            var possibleItemsToSelect = CurrentLocation.Items.Take(CurrentSelectedIndex).Reverse().Skip(skip).ToList();
+            var currentLocationItems = (await (await GetCurrentLocation()).GetItems())!;
+            var possibleItemsToSelect = currentLocationItems.Take(CurrentSelectedIndex).Reverse().Skip(skip).ToList();
 
-            if (possibleItemsToSelect.Count == 0) possibleItemsToSelect = CurrentLocation.Items.ToList();
+            if (possibleItemsToSelect.Count == 0) possibleItemsToSelect = currentLocationItems.ToList();
-            SelectItem(possibleItemsToSelect);
+            await SelectItem(possibleItemsToSelect);
         }
 
-        public void SelectNextItem(int skip = 0)
+        public async Task SelectNextItem(int skip = 0)
         {
-            var possibleItemsToSelect = CurrentLocation.Items.Skip(CurrentSelectedIndex + 1 + skip).ToList();
+            var currentLocationItems = (await (await GetCurrentLocation()).GetItems())!;
+            var possibleItemsToSelect = currentLocationItems.Skip(CurrentSelectedIndex + 1 + skip).ToList();
 
-            if (possibleItemsToSelect.Count == 0) possibleItemsToSelect = CurrentLocation.Items.Reverse().ToList();
+            if (possibleItemsToSelect.Count == 0) possibleItemsToSelect = currentLocationItems.Reverse().ToList();
-            SelectItem(possibleItemsToSelect);
+            await SelectItem(possibleItemsToSelect);
         }
 
-        private void SelectItem(IEnumerable<IItem> currentPossibleItems)
+        private async Task SelectItem(IEnumerable<IItem> currentPossibleItems)
         {
             if (!currentPossibleItems.Any()) return;
 
-            if (CurrentSelectedItem != null)
+            var currentLocationItems = (await (await GetCurrentLocation()).GetItems())!;
+
+            if (await GetCurrentSelectedItem() != null)
             {
-                CurrentLocation.Refresh();
+                (await GetCurrentLocation())?.Refresh();
 
                 IItem? newSelectedItem = null;
                 foreach (var item in currentPossibleItems)
                 {
-                    if (CurrentLocation.Items.FirstOrDefault(i => i.Name == item.Name) is var possibleNewSelectedItem
+                    if (currentLocationItems.FirstOrDefault(i => i.Name == item.Name) is var possibleNewSelectedItem
                         && possibleNewSelectedItem is not null)
                     {
                         newSelectedItem = possibleNewSelectedItem;
@@ -114,78 +162,89 @@ namespace FileTime.Core.Components
                     }
                 }
 
-                CurrentSelectedItem = newSelectedItem ?? (CurrentLocation.Items.Count > 0 ? CurrentLocation.Items[0] : null);
+                if(newSelectedItem != null)
+                {
+                    newSelectedItem = (await (await GetCurrentLocation()).GetItems())?.FirstOrDefault(i => i.Name == newSelectedItem.Name);
+                }
+
+                await SetCurrentSelectedItem(newSelectedItem ?? (currentLocationItems.Count > 0 ? currentLocationItems[0] : null));
             }
             else
             {
-                CurrentSelectedItem = CurrentLocation.Items.Count > 0 ? CurrentLocation.Items[0] : null;
+                await SetCurrentSelectedItem(currentLocationItems.Count > 0 ? currentLocationItems[0] : null);
             }
         }
 
-        public void GoToProvider()
+        public async Task GoToProvider()
         {
-            if (CurrentLocation == null) return;
+            var currentLocatin = await GetCurrentLocation();
+            if (currentLocatin == null) return;
 
-            CurrentLocation = CurrentLocation.Provider;
+            await SetCurrentLocation(currentLocatin.Provider);
         }
 
-        public void GoToRoot()
+        public async Task GoToRoot()
         {
-            if (CurrentLocation == null) return;
+            var currentLocatin = await GetCurrentLocation();
+            if (currentLocatin == null) return;
 
-            var root = CurrentLocation;
+            var root = currentLocatin;
             while (root!.GetParent() != null)
             {
                 root = root.GetParent();
             }
 
-            CurrentLocation = root;
+            await SetCurrentLocation(root);
         }
 
-        public void GoUp()
+        public async Task GoUp()
         {
-            var lastCurrentLocation = CurrentLocation;
+            var currentLocationItems = (await (await GetCurrentLocation()).GetItems())!;
-            var parent = CurrentLocation.GetParent();
+            var lastCurrentLocation = await GetCurrentLocation();
+            var parent = (await GetCurrentLocation()).GetParent();
 
             if (parent is not null)
             {
                 if (lastCurrentLocation is VirtualContainer lastCurrentVirtualContainer)
                 {
-                    CurrentLocation = lastCurrentVirtualContainer.CloneVirtualChainFor(parent, v => v.IsPermanent);
+                    await SetCurrentLocation(lastCurrentVirtualContainer.CloneVirtualChainFor(parent, v => v.IsPermanent));
-                    CurrentSelectedItem = lastCurrentVirtualContainer.GetRealContainer();
+                    await SetCurrentSelectedItem(lastCurrentVirtualContainer.GetRealContainer());
                 }
                 else
                 {
-                    CurrentLocation = parent;
+                    await SetCurrentLocation(parent);
-                    CurrentSelectedItem = lastCurrentLocation;
+                    var newCurrentLocation = (await (await GetCurrentLocation()).GetItems())?.FirstOrDefault(i => i.Name == lastCurrentLocation.Name);
+                    await SetCurrentSelectedItem(newCurrentLocation);
                 }
             }
         }
 
-        public void Open()
+        public async Task Open()
         {
+            var currentLocationItems = (await (await GetCurrentLocation()).GetItems())!;
             if (_currentSelectedItem is IContainer childContainer)
             {
-                if (CurrentLocation is VirtualContainer currentVirtuakContainer)
+                if (await GetCurrentLocation() is VirtualContainer currentVirtuakContainer)
                 {
-                    CurrentLocation = currentVirtuakContainer.CloneVirtualChainFor(childContainer, v => v.IsPermanent);
+                    await SetCurrentLocation(currentVirtuakContainer.CloneVirtualChainFor(childContainer, v => v.IsPermanent));
                 }
                 else
                 {
-                    CurrentLocation = childContainer;
+                    await SetCurrentLocation(childContainer);
                 }
             }
         }
 
-        public void OpenContainer(IContainer container) => CurrentLocation = container;
+        public async Task OpenContainer(IContainer container) => await SetCurrentLocation(container);
 
-        private int GetItemIndex(IItem? item)
+        private async Task<int> GetItemIndex(IItem? item)
         {
             if (item == null) return -1;
+            var currentLocationItems = (await (await GetCurrentLocation()).GetItems())!;
 
-            for (var i = 0; i < CurrentLocation.Items.Count; i++)
+            for (var i = 0; i < currentLocationItems.Count; i++)
             {
-                if (CurrentLocation.Items[i] == item) return i;
+                if (currentLocationItems[i] == item) return i;
             }
 
             return -1;

src/Core/FileTime.Core/FileTime.Core.csproj

@@ -2,6 +2,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\AppCommon\FileTime.App.Style\FileTime.App.Style.csproj" />
+    <ProjectReference Include="..\AsyncEvent\AsyncEvent.csproj" />
   </ItemGroup>
 
   <PropertyGroup>

src/Core/FileTime.Core/Interactions/IInputInterface.cs

@@ -2,6 +2,6 @@ namespace FileTime.Core.Interactions
 {
     public interface IInputInterface
     {
-        string?[] ReadInputs(IEnumerable<InputElement> fields);
+        Task<string?[]> ReadInputs(IEnumerable<InputElement> fields);
     }
 }

src/Core/FileTime.Core/Models/IContainer.cs

@@ -1,19 +1,21 @@
+using AsyncEvent;
+
 namespace FileTime.Core.Models
 {
     public interface IContainer : IItem
     {
-        IReadOnlyList<IItem> Items { get; }
+        Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default);
-        IReadOnlyList<IContainer> Containers { get; }
+        Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default);
-        IReadOnlyList<IElement> Elements { get; }
+        Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default);
 
-        void Refresh();
+        Task Refresh();
         IContainer? GetParent();
-        IItem? GetByPath(string path);
+        Task<IItem?> GetByPath(string path);
-        IContainer CreateContainer(string name);
+        Task<IContainer> CreateContainer(string name);
-        IElement CreateElement(string name);
+        Task<IElement> CreateElement(string name);
 
-        bool IsExists(string name);
+        Task<bool> IsExists(string name);
 
-        event EventHandler? Refreshed;
+        AsyncEventHandler Refreshed { get; }
     }
 }

src/Core/FileTime.Core/Models/IItem.cs

@@ -8,6 +8,6 @@ namespace FileTime.Core.Models
         string? FullName { get; }
         bool IsHidden { get; }
         IContentProvider Provider { get; }
-        void Delete();
+        Task Delete();
     }
 }

src/Core/FileTime.Core/Models/VirtualContainer.cs

@@ -1,3 +1,4 @@
+using AsyncEvent;
 using FileTime.Core.Providers;
 
 namespace FileTime.Core.Models
@@ -12,11 +13,11 @@ namespace FileTime.Core.Models
         public bool IsPermanent { get; }
         public bool IsTransitive { get; }
         public string? VirtualContainerName { get; }
-        public IReadOnlyList<IItem> Items { get; private set; }
+        public IReadOnlyList<IItem>? Items { get; private set; }
 
-        public IReadOnlyList<IContainer> Containers { get; private set; }
+        public IReadOnlyList<IContainer>? Containers { get; private set; }
 
-        public IReadOnlyList<IElement> Elements { get; private set; }
+        public IReadOnlyList<IElement>? Elements { get; private set; }
 
         public string Name => BaseContainer.Name;
 
@@ -26,10 +27,15 @@ namespace FileTime.Core.Models
 
         public IContentProvider Provider => BaseContainer.Provider;
 
-        public event EventHandler? Refreshed
+        public AsyncEventHandler Refreshed { get; }
+
+        private void RefreshAddBase(Func<object?, AsyncEventArgs, Task> handler)
         {
-            add => BaseContainer.Refreshed += value;
+            BaseContainer.Refreshed.Add(handler);
-            remove => BaseContainer.Refreshed -= value;
+        }
+        private void RefreshRemoveBase(Func<object?, AsyncEventArgs, Task> handler)
+        {
+            BaseContainer.Refreshed.Add(handler);
         }
 
         public VirtualContainer(
@@ -40,32 +46,40 @@ namespace FileTime.Core.Models
             bool isTransitive = false,
             string? virtualContainerName = null)
         {
+            Refreshed = new (RefreshAddBase, RefreshRemoveBase);
             BaseContainer = baseContainer;
             _containerTransformators = containerTransformators;
             _elementTransformators = elementTransformators;
 
-            InitItems();
             IsPermanent = isPermanent;
             IsTransitive = isTransitive;
             VirtualContainerName = virtualContainerName;
         }
 
-        private void InitItems()
+        public async Task Init()
         {
-            Containers = _containerTransformators.Aggregate(BaseContainer.Containers.AsEnumerable(), (a, t) => t(a)).ToList().AsReadOnly();
+            await InitItems();
-            Elements = _elementTransformators.Aggregate(BaseContainer.Elements.AsEnumerable(), (a, t) => t(a)).ToList().AsReadOnly();
-
-            Items = Containers.Cast<IItem>().Concat(Elements).ToList().AsReadOnly();
         }
 
-        public IItem? GetByPath(string path) => BaseContainer.GetByPath(path);
+        private async Task InitItems()
+        {
+            Containers = _containerTransformators.Aggregate((await BaseContainer.GetContainers())?.AsEnumerable(), (a, t) => t(a!))?.ToList()?.AsReadOnly();
+            Elements = _elementTransformators.Aggregate((await BaseContainer.GetElements())?.AsEnumerable(), (a, t) => t(a!))?.ToList()?.AsReadOnly();
+
+            Items = (Elements != null
+                    ? Containers?.Cast<IItem>().Concat(Elements)
+                    : Containers?.Cast<IItem>())
+                ?.ToList().AsReadOnly();
+        }
+
+        public async Task<IItem?> GetByPath(string path) => await BaseContainer.GetByPath(path);
 
         public IContainer? GetParent() => BaseContainer.GetParent();
 
-        public void Refresh()
+        public async Task Refresh()
         {
-            BaseContainer.Refresh();
+            await BaseContainer.Refresh();
-            InitItems();
+            await InitItems();
         }
 
         public IContainer GetRealContainer() =>
@@ -113,10 +127,23 @@ namespace FileTime.Core.Models
                 : baseContainer;
         }
 
-        public IContainer CreateContainer(string name) => BaseContainer.CreateContainer(name);
+        public async Task<IContainer> CreateContainer(string name) => await BaseContainer.CreateContainer(name);
-        public IElement CreateElement(string name) => BaseContainer.CreateElement(name);
+        public async Task<IElement> CreateElement(string name) => await BaseContainer.CreateElement(name);
-        public bool IsExists(string name) => BaseContainer.IsExists(name);
+        public async Task<bool> IsExists(string name) => await BaseContainer.IsExists(name);
 
-        public void Delete() => BaseContainer.Delete();
+        public Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default)
+        {
+            return Task.FromResult(Items);
+        }
+        public Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default)
+        {
+            return Task.FromResult(Containers);
+        }
+        public Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default)
+        {
+            return Task.FromResult(Elements);
+        }
+
+        public async Task Delete() => await BaseContainer.Delete();
     }
 }

src/Core/FileTime.Core/Providers/IContentProvider.cs

@@ -4,7 +4,7 @@ namespace FileTime.Core.Providers
 {
     public interface IContentProvider : IContainer
     {
-        IReadOnlyList<IContainer> RootContainers { get; }
+        Task<IReadOnlyList<IContainer>> GetRootContainers(CancellationToken token = default);
 
         bool CanHandlePath(string path);
 

src/Core/FileTime.Core/Providers/TopContainer.cs

@@ -1,4 +1,5 @@
 
+using AsyncEvent;
 using FileTime.Core.Models;
 
 namespace FileTime.Core.Providers
@@ -6,12 +7,9 @@ namespace FileTime.Core.Providers
     public class TopContainer : IContainer
     {
         private readonly List<IContentProvider> _contentProviders;
-
+        private readonly IReadOnlyList<IContainer>? _containers;
-        public IReadOnlyList<IItem> Items => Containers;
+        private readonly IReadOnlyList<IItem>? _items;
-
+        private readonly IReadOnlyList<IElement>? _elements = new List<IElement>().AsReadOnly();
-        public IReadOnlyList<IContainer> Containers { get; }
-
-        public IReadOnlyList<IElement> Elements { get; } = new List<IElement>().AsReadOnly();
 
         public string Name => null;
 
@@ -21,12 +19,13 @@ namespace FileTime.Core.Providers
 
         public IContentProvider Provider => null;
 
-        public event EventHandler? Refreshed;
+        public AsyncEventHandler Refreshed { get; } = new();
 
         public TopContainer(IEnumerable<IContentProvider> contentProviders)
         {
             _contentProviders = new List<IContentProvider>(contentProviders);
-            Containers = _contentProviders.AsReadOnly();
+            _containers = _contentProviders.AsReadOnly();
+            _items = _containers.Cast<IItem>().ToList().AsReadOnly();
 
             foreach (var contentProvider in contentProviders)
             {
@@ -34,21 +33,34 @@ namespace FileTime.Core.Providers
             }
         }
 
-        public IContainer CreateContainer(string name) => throw new NotImplementedException();
+        public Task<IContainer> CreateContainer(string name) => throw new NotImplementedException();
 
-        public IElement CreateElement(string name) => throw new NotImplementedException();
+        public Task<IElement> CreateElement(string name) => throw new NotImplementedException();
 
-        public void Delete() => throw new NotImplementedException();
+        public Task Delete() => throw new NotImplementedException();
 
-        public IItem? GetByPath(string path) => throw new NotImplementedException();
+        public Task<IItem?> GetByPath(string path) => throw new NotImplementedException();
 
         public IContainer? GetParent() => null;
 
-        public bool IsExists(string name) => throw new NotImplementedException();
+        public Task<bool> IsExists(string name) => throw new NotImplementedException();
 
-        public void Refresh()
+        public Task Refresh()
         {
+            return Task.CompletedTask;
+        }
 
+        public Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default)
+        {
+            return Task.FromResult(_items);
+        }
+        public Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default)
+        {
+            return Task.FromResult(_containers);
+        }
+        public Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default)
+        {
+            return Task.FromResult(_elements);
         }
     }
 }

src/FileTime.sln

@@ -45,6 +45,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FileTime.Uno.Windows.Deskto
 EndProject
 Project("{C7167F0D-BC9F-4E6E-AFE1-012C56B48DB5}") = "FileTime.Uno.Windows.Package", "GuiApp\FileTime.Uno\FileTime.Uno.Windows.Package\FileTime.Uno.Windows.Package.wapproj", "{6BB770CB-B0C1-4A82-86B1-3C56F4393BE1}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AsyncEvent", "Core\AsyncEvent\AsyncEvent.csproj", "{9BDAC126-200F-4056-8D35-36EC059B40F3}"
+EndProject
 Global
 	GlobalSection(SharedMSBuildProjectFiles) = preSolution
 		GuiApp\FileTime.Uno\FileTime.Uno.Shared\FileTime.Uno.Shared.projitems*{02acef48-3be8-43e5-9358-a914bcbea7ca}*SharedItemsImports = 5
@@ -356,6 +358,26 @@ Global
 		{6BB770CB-B0C1-4A82-86B1-3C56F4393BE1}.Release|x86.ActiveCfg = Release|x86
 		{6BB770CB-B0C1-4A82-86B1-3C56F4393BE1}.Release|x86.Build.0 = Release|x86
 		{6BB770CB-B0C1-4A82-86B1-3C56F4393BE1}.Release|x86.Deploy.0 = Release|x86
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Debug|ARM.ActiveCfg = Debug|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Debug|ARM.Build.0 = Debug|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Debug|ARM64.ActiveCfg = Debug|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Debug|ARM64.Build.0 = Debug|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Debug|x64.Build.0 = Debug|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Debug|x86.Build.0 = Debug|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Release|ARM.ActiveCfg = Release|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Release|ARM.Build.0 = Release|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Release|ARM64.ActiveCfg = Release|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Release|ARM64.Build.0 = Release|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Release|x64.ActiveCfg = Release|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Release|x64.Build.0 = Release|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Release|x86.ActiveCfg = Release|Any CPU
+		{9BDAC126-200F-4056-8D35-36EC059B40F3}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -377,6 +399,7 @@ Global
 		{A7E1383B-E334-4CC2-AF34-D413213847B6} = {7CF1A80E-709A-4CB0-8434-7B2F0A4BC497}
 		{02ACEF48-3BE8-43E5-9358-A914BCBEA7CA} = {7CF1A80E-709A-4CB0-8434-7B2F0A4BC497}
 		{6BB770CB-B0C1-4A82-86B1-3C56F4393BE1} = {7CF1A80E-709A-4CB0-8434-7B2F0A4BC497}
+		{9BDAC126-200F-4056-8D35-36EC059B40F3} = {38B1B927-4201-4B7A-87EE-737B8C6D4090}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {8D679DCE-AC84-4A91-BFED-8F8D8E1D8183}

src/Providers/FileTime.Providers.Local/LocalContentProvider.cs

@@ -1,4 +1,5 @@
 using System.Runtime.InteropServices;
+using AsyncEvent;
 using FileTime.Core.Models;
 using FileTime.Core.Providers;
 using Microsoft.Extensions.Logging;
@@ -8,15 +9,19 @@ namespace FileTime.Providers.Local
     public class LocalContentProvider : IContentProvider
     {
         private readonly ILogger<LocalContentProvider> _logger;
-        private IContainer _parent = null;
+        private IContainer? _parent;
 
-        public IReadOnlyList<IContainer> RootContainers { get; }
+        private readonly IReadOnlyList<IContainer> _rootContainers;
+        private readonly IReadOnlyList<IItem>? _items;
+        private readonly IReadOnlyList<IElement>? _elements = new List<IElement>().AsReadOnly();
+
+        /* public IReadOnlyList<IContainer> RootContainers { get; }
 
         public IReadOnlyList<IItem> Items => RootContainers;
 
         public IReadOnlyList<IContainer> Containers => RootContainers;
 
-        public IReadOnlyList<IElement> Elements { get; } = new List<IElement>();
+        public IReadOnlyList<IElement> Elements { get; } = new List<IElement>(); */
 
         public string Name { get; } = "local";
 
@@ -25,7 +30,7 @@ namespace FileTime.Providers.Local
 
         public IContentProvider Provider => this;
 
-        public event EventHandler? Refreshed;
+        public AsyncEventHandler Refreshed { get; } = new();
 
         public bool IsCaseInsensitive { get; }
 
@@ -41,13 +46,14 @@ namespace FileTime.Providers.Local
 
             FullName = RuntimeInformation.IsOSPlatform(OSPlatform.Linux) ? "" : null;
 
-            RootContainers = rootDirectories.Select(d => new LocalFolder(d, this, this)).OrderBy(d => d.Name).ToList().AsReadOnly();
+            _rootContainers = rootDirectories.Select(d => new LocalFolder(d, this, this)).OrderBy(d => d.Name).ToList().AsReadOnly();
+            _items = _rootContainers.Cast<IItem>().ToList().AsReadOnly();
         }
 
-        public IItem? GetByPath(string path)
+        public async Task<IItem?> GetByPath(string path)
         {
             var pathParts = (IsCaseInsensitive ? path.ToLower() : path).TrimStart(Constants.SeparatorChar).Split(Constants.SeparatorChar);
-            var rootContainer = RootContainers.FirstOrDefault(c => NormalizePath(c.Name) == NormalizePath(pathParts[0]));
+            var rootContainer = _rootContainers.FirstOrDefault(c => NormalizePath(c.Name) == NormalizePath(pathParts[0]));
 
             if (rootContainer == null)
             {
@@ -55,27 +61,43 @@ namespace FileTime.Providers.Local
                 return null;
             }
 
-            return rootContainer.GetByPath(string.Join(Constants.SeparatorChar, pathParts.Skip(1)));
+            return await rootContainer.GetByPath(string.Join(Constants.SeparatorChar, pathParts.Skip(1)));
         }
 
-        public void Refresh()
+        public Task Refresh() => Task.CompletedTask;
-        {
+
-        }
 
         public IContainer? GetParent() => _parent;
-        public IContainer CreateContainer(string name) => throw new NotSupportedException();
+        public Task<IContainer> CreateContainer(string name) => throw new NotSupportedException();
-        public IElement CreateElement(string name) => throw new NotSupportedException();
+        public Task<IElement> CreateElement(string name) => throw new NotSupportedException();
-        public bool IsExists(string name) => Items.Any(i => i.Name == name);
+        public Task<bool> IsExists(string name) => Task.FromResult(_rootContainers.Any(i => i.Name == name));
 
-        public void Delete() => throw new NotSupportedException();
+        public Task Delete() => throw new NotSupportedException();
 
         internal string NormalizePath(string path) => IsCaseInsensitive ? path.ToLower() : path;
 
-        public bool CanHandlePath(string path) => RootContainers.Any(r => path.StartsWith(r.Name));
+        public bool CanHandlePath(string path) => _rootContainers.Any(r => path.StartsWith(r.Name));
 
         public void SetParent(IContainer container)
         {
             _parent = container;
         }
+        public Task<IReadOnlyList<IContainer>?> GetRootContainers(CancellationToken token = default)
+        {
+            return Task.FromResult(_rootContainers);
+        }
+
+        public Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default)
+        {
+            return Task.FromResult(_items);
+        }
+        public Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default)
+        {
+            return Task.FromResult(_rootContainers);
+        }
+        public Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default)
+        {
+            return Task.FromResult(_elements);
+        }
     }
 }

src/Providers/FileTime.Providers.Local/LocalFile.cs

@@ -34,9 +34,10 @@ namespace FileTime.Providers.Local
 
         public string GetPrimaryAttributeText() => _file.Length.ToSizeString();
 
-        public void Delete()
+        public Task Delete()
         {
             _file.Delete();
+            return Task.CompletedTask;
         }
     }
 }

src/Providers/FileTime.Providers.Local/LocalFolder.cs

@@ -1,3 +1,4 @@
+using AsyncEvent;
 using FileTime.Core.Models;
 using FileTime.Core.Providers;
 
@@ -15,44 +16,11 @@ namespace FileTime.Providers.Local
         public LocalContentProvider Provider { get; }
         IContentProvider IItem.Provider => Provider;
 
-        public IReadOnlyList<IItem> Items
-        {
-            get
-            {
-                if (_items == null) Refresh();
-                return _items!;
-            }
-
-            private set => _items = value;
-        }
-
-        public IReadOnlyList<IContainer> Containers
-        {
-            get
-            {
-                if (_containers == null) Refresh();
-                return _containers!;
-            }
-
-            private set => _containers = value;
-        }
-
-        public IReadOnlyList<IElement> Elements
-        {
-            get
-            {
-                if (_elements == null) Refresh();
-                return _elements!;
-            }
-
-            private set => _elements = value;
-        }
-
         public string Name { get; }
 
         public string FullName { get; }
 
-        public event EventHandler? Refreshed;
+        public AsyncEventHandler Refreshed { get; } = new();
 
         public LocalFolder(DirectoryInfo directory, LocalContentProvider contentProvider, IContainer? parent)
         {
@@ -66,7 +34,7 @@ namespace FileTime.Providers.Local
 
         public IContainer? GetParent() => _parent;
 
-        public void Refresh()
+        public Task Refresh()
         {
             _containers = new List<IContainer>();
             _elements = new List<IElement>();
@@ -79,14 +47,32 @@ namespace FileTime.Providers.Local
             catch { }
 
             _items = _containers.Cast<IItem>().Concat(_elements).ToList().AsReadOnly();
-            Refreshed?.Invoke(this, EventArgs.Empty);
+            Refreshed?.InvokeAsync(this, AsyncEventArgs.Empty);
+
+            return Task.CompletedTask;
         }
 
-        public IItem? GetByPath(string path)
+        public async Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default)
+        {
+            if (_items == null) await Refresh();
+            return _items;
+        }
+        public async Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default)
+        {
+            if (_containers == null) await Refresh();
+            return _containers;
+        }
+        public async Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default)
+        {
+            if (_elements == null) await Refresh();
+            return _elements;
+        }
+
+        public async Task<IItem?> GetByPath(string path)
         {
             var paths = path.Split(Constants.SeparatorChar);
 
-            var item = Items.FirstOrDefault(i => Provider.NormalizePath(i.Name) == Provider.NormalizePath(paths[0]));
+            var item = (await GetItems())!.FirstOrDefault(i => Provider.NormalizePath(i.Name) == Provider.NormalizePath(paths[0]));
 
             if (paths.Length == 1)
             {
@@ -95,29 +81,33 @@ namespace FileTime.Providers.Local
 
             if (item is IContainer container)
             {
-                return container.GetByPath(string.Join(Constants.SeparatorChar, paths.Skip(1)));
+                return await container.GetByPath(string.Join(Constants.SeparatorChar, paths.Skip(1)));
             }
 
             return null;
         }
-        public IContainer CreateContainer(string name)
+        public async Task<IContainer> CreateContainer(string name)
         {
             Directory.CreateSubdirectory(name);
-            Refresh();
+            await Refresh();
 
             return _containers!.FirstOrDefault(c => Provider.NormalizePath(c.Name) == Provider.NormalizePath(name))!;
         }
 
-        public IElement CreateElement(string name)
+        public async Task<IElement> CreateElement(string name)
         {
             using (File.Create(Path.Combine(Directory.FullName, name))) { }
-            Refresh();
+            await Refresh();
 
             return _elements!.FirstOrDefault(e => Provider.NormalizePath(e.Name) == Provider.NormalizePath(name))!;
         }
 
-        public bool IsExists(string name) => Items.Any(i => Provider.NormalizePath(i.Name) == Provider.NormalizePath(name));
+        public async Task<bool> IsExists(string name) => (await GetItems())?.Any(i => Provider.NormalizePath(i.Name) == Provider.NormalizePath(name)) ?? false;
 
-        public void Delete() => Directory.Delete(true);
+        public Task Delete()
+        {
+            Directory.Delete(true);
+            return Task.CompletedTask;
+        }
     }
 }

src/Providers/FileTime.Providers.Smb/SmbContentProvider.cs

@@ -1,3 +1,4 @@
+using AsyncEvent;
 using FileTime.Core.Interactions;
 using FileTime.Core.Models;
 using FileTime.Core.Providers;
@@ -7,16 +8,11 @@ namespace FileTime.Providers.Smb
     public class SmbContentProvider : IContentProvider
     {
         private IContainer _parent;
-        private readonly List<IContainer> _rootContainers;
         private readonly IInputInterface _inputInterface;
-
+        private readonly List<IContainer> _rootContainers;
-        public IReadOnlyList<IContainer> RootContainers { get; }
+        private readonly IReadOnlyList<IContainer> _rootContainersReadOnly;
-
+        private readonly IReadOnlyList<IItem>? _items;
-        public IReadOnlyList<IItem> Items => RootContainers;
+        private readonly IReadOnlyList<IElement>? _elements = new List<IElement>().AsReadOnly();
-
-        public IReadOnlyList<IContainer> Containers => RootContainers;
-
-        public IReadOnlyList<IElement> Elements { get; } = new List<IElement>();
 
         public string Name { get; } = "smb";
 
@@ -26,16 +22,16 @@ namespace FileTime.Providers.Smb
 
         public IContentProvider Provider => this;
 
-        public event EventHandler? Refreshed;
+        public AsyncEventHandler Refreshed { get; } = new();
 
         public SmbContentProvider(IInputInterface inputInterface)
         {
             _rootContainers = new List<IContainer>();
-            RootContainers = _rootContainers.AsReadOnly();
+            _rootContainersReadOnly = _rootContainers.AsReadOnly();
             _inputInterface = inputInterface;
         }
 
-        public IContainer CreateContainer(string name)
+        public async Task<IContainer> CreateContainer(string name)
         {
             var fullName = "\\\\" + name;
             var container = _rootContainers.Find(c => c.Name == name);
@@ -46,37 +42,54 @@ namespace FileTime.Providers.Smb
                 _rootContainers.Add(container);
             }
 
-            Refresh();
+            await Refresh();
 
             return container;
         }
 
-        public IElement CreateElement(string name)
+        public Task<IElement> CreateElement(string name)
         {
             throw new NotSupportedException();
         }
 
-        public void Delete()
+        public Task Delete()
         {
             throw new NotSupportedException();
         }
 
-        public IItem? GetByPath(string path)
+        public Task<IItem?> GetByPath(string path)
         {
             throw new NotImplementedException();
         }
 
         public IContainer? GetParent() => _parent;
 
-        public bool IsExists(string name) => Items.Any(i => i.Name == name);
+        public async Task<bool> IsExists(string name) => (await GetItems()).Any(i => i.Name == name);
 
-        public void Refresh()
+        public async Task Refresh()
         {
-            Refreshed?.Invoke(this, EventArgs.Empty);
+            await Refreshed?.InvokeAsync(this, AsyncEventArgs.Empty);
         }
 
         public bool CanHandlePath(string path) => path.StartsWith("smb://") || path.StartsWith(@"\\");
 
         public void SetParent(IContainer container) => _parent = container;
+        public Task<IReadOnlyList<IContainer>?> GetRootContainers(CancellationToken token = default)
+        {
+            return Task.FromResult(_rootContainersReadOnly);
+        }
+
+        public Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default)
+        {
+            return Task.FromResult(_items);
+        }
+        public Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default)
+        {
+            return Task.FromResult(_rootContainersReadOnly);
+        }
+        public Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default)
+        {
+            return Task.FromResult(_elements);
+        }
     }
 }

src/Providers/FileTime.Providers.Smb/SmbFile.cs

@@ -16,18 +16,15 @@ namespace FileTime.Providers.Smb
 
         public IContentProvider Provider { get; }
 
-        private readonly Func<ISMBClient> _getSmbClient;
+        public SmbFile(string name, SmbContentProvider provider, IContainer parent)
-
-        public SmbFile(string name, SmbContentProvider provider, IContainer parent, Func<ISMBClient> getSmbClient)
         {
             Name = name;
             FullName = parent.FullName + Constants.SeparatorChar + Name;
 
             Provider = provider;
-            _getSmbClient = getSmbClient;
         }
 
-        public void Delete()
+        public Task Delete()
         {
             throw new NotImplementedException();
         }

src/Providers/FileTime.Providers.Smb/SmbFolder.cs

@@ -1,3 +1,4 @@
+using AsyncEvent;
 using FileTime.Core.Models;
 using FileTime.Core.Providers;
 using SMBLibrary;
@@ -10,43 +11,9 @@ namespace FileTime.Providers.Smb
         private IReadOnlyList<IItem>? _items;
         private IReadOnlyList<IContainer>? _containers;
         private IReadOnlyList<IElement>? _elements;
-        private Func<ISMBClient> _getSmbClient;
         private readonly SmbShare _smbShare;
         private readonly IContainer? _parent;
 
-        public IReadOnlyList<IItem> Items
-        {
-            get
-            {
-                if (_items == null) Refresh();
-                return _items!;
-            }
-
-            private set => _items = value;
-        }
-
-        public IReadOnlyList<IContainer> Containers
-        {
-            get
-            {
-                if (_containers == null) Refresh();
-                return _containers!;
-            }
-
-            private set => _containers = value;
-        }
-
-        public IReadOnlyList<IElement> Elements
-        {
-            get
-            {
-                if (_elements == null) Refresh();
-                return _elements!;
-            }
-
-            private set => _elements = value;
-        }
-
         public string Name { get; }
 
         public string? FullName { get; }
@@ -56,39 +23,33 @@ namespace FileTime.Providers.Smb
         public SmbContentProvider Provider { get; }
         IContentProvider IItem.Provider => Provider;
 
-        public event EventHandler? Refreshed;
+        public AsyncEventHandler Refreshed { get; } = new();
 
-        public SmbFolder(string name, SmbContentProvider contentProvider, SmbShare smbShare, IContainer parent, Func<ISMBClient> getSmbClient)
+        public SmbFolder(string name, SmbContentProvider contentProvider, SmbShare smbShare, IContainer parent)
         {
             _parent = parent;
-            _getSmbClient = getSmbClient;
+            _smbShare = smbShare;
 
             Name = name;
             FullName = parent?.FullName == null ? Name : parent.FullName + Constants.SeparatorChar + Name;
             Provider = contentProvider;
-            _smbShare = smbShare;
         }
 
-        public IContainer CreateContainer(string name)
+        public Task<IContainer> CreateContainer(string name)
         {
             throw new NotImplementedException();
         }
 
-        public IElement CreateElement(string name)
+        public Task<IElement> CreateElement(string name)
         {
             throw new NotImplementedException();
         }
 
-        public void Delete()
+        public async Task<IItem?> GetByPath(string path)
-        {
-            throw new NotImplementedException();
-        }
-
-        public IItem? GetByPath(string path)
         {
             var paths = path.Split(Constants.SeparatorChar);
 
-            var item = Items.FirstOrDefault(i => i.Name == paths[0]);
+            var item = (await GetItems())?.FirstOrDefault(i => i.Name == paths[0]);
 
             if (paths.Length == 1)
             {
@@ -97,7 +58,7 @@ namespace FileTime.Providers.Smb
 
             if (item is IContainer container)
             {
-                return container.GetByPath(string.Join(Constants.SeparatorChar, paths.Skip(1)));
+                return await container.GetByPath(string.Join(Constants.SeparatorChar, paths.Skip(1)));
             }
 
             return null;
@@ -105,12 +66,17 @@ namespace FileTime.Providers.Smb
 
         public IContainer? GetParent() => _parent;
 
-        public bool IsExists(string name)
+        public Task<bool> IsExists(string name)
         {
             throw new NotImplementedException();
         }
 
-        public void Refresh()
+        public Task Delete()
+        {
+            throw new NotImplementedException();
+        }
+
+        public async Task Refresh()
         {
             var containers = new List<IContainer>();
             var elements = new List<IElement>();
@@ -118,7 +84,7 @@ namespace FileTime.Providers.Smb
             try
             {
                 var path = FullName![(_smbShare.FullName!.Length + 1)..];
-                (containers, elements) = _smbShare.ListFolder(this, _smbShare.Name, path);
+                (containers, elements) = await _smbShare.ListFolder(this, _smbShare.Name, path);
             }
             catch { }
 
@@ -126,7 +92,23 @@ namespace FileTime.Providers.Smb
             _elements = elements.AsReadOnly();
 
             _items = _containers.Cast<IItem>().Concat(_elements).ToList().AsReadOnly();
-            Refreshed?.Invoke(this, EventArgs.Empty);
+            await Refreshed?.InvokeAsync(this, AsyncEventArgs.Empty);
+        }
+
+        public async Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default)
+        {
+            if (_items == null) await Refresh();
+            return _items;
+        }
+        public async Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default)
+        {
+            if (_containers == null) await Refresh();
+            return _containers;
+        }
+        public async Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default)
+        {
+            if (_elements == null) await Refresh();
+            return _elements;
         }
     }
 }

src/Providers/FileTime.Providers.Smb/SmbServer.cs

@@ -1,4 +1,5 @@
 using System.Net;
+using AsyncEvent;
 using FileTime.Core.Interactions;
 using FileTime.Core.Models;
 using FileTime.Core.Providers;
@@ -13,31 +14,11 @@ namespace FileTime.Providers.Smb
         private string? _password;
 
         private IReadOnlyList<IContainer>? _shares;
+        private IReadOnlyList<IItem>? _items;
+        private readonly IReadOnlyList<IElement>? _elements = new List<IElement>().AsReadOnly();
         private ISMBClient? _client;
         private readonly IInputInterface _inputInterface;
 
-        public IReadOnlyList<IItem> Items
-        {
-            get
-            {
-                if (_shares == null) Refresh();
-                return _shares!;
-            }
-        }
-
-        public IReadOnlyList<IContainer> Containers
-        {
-            get
-            {
-                if (_shares == null) Refresh();
-                return _shares!;
-            }
-
-            private set => _shares = value;
-        }
-
-        public IReadOnlyList<IElement> Elements { get; } = new List<IElement>().AsReadOnly();
-
         public string Name { get; }
 
         public string? FullName { get; }
@@ -48,7 +29,7 @@ namespace FileTime.Providers.Smb
 
         IContentProvider IItem.Provider => Provider;
 
-        public event EventHandler? Refreshed;
+        public AsyncEventHandler Refreshed { get; } = new();
 
         public SmbServer(string path, SmbContentProvider contentProvider, IInputInterface inputInterface)
         {
@@ -58,43 +39,60 @@ namespace FileTime.Providers.Smb
             FullName = Name = path;
         }
 
-        public IContainer CreateContainer(string name)
+        public async Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default)
+        {
+            if (_shares == null) await Refresh();
+            return _shares;
+        }
+        public async Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default)
+        {
+            if (_shares == null) await Refresh();
+            return _shares;
+        }
+        public Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default)
+        {
+            return Task.FromResult(_elements);
+        }
+
+        public Task<IContainer> CreateContainer(string name)
         {
             throw new NotSupportedException();
         }
 
-        public IElement CreateElement(string name)
+        public Task<IElement> CreateElement(string name)
         {
             throw new NotSupportedException();
         }
 
-        public void Delete()
+        public Task Delete()
         {
+            return Task.CompletedTask;
         }
 
-        public IItem? GetByPath(string path)
+        public Task<IItem?> GetByPath(string path)
         {
             throw new NotImplementedException();
         }
 
         public IContainer? GetParent() => Provider;
 
-        public bool IsExists(string name)
+        public Task<bool> IsExists(string name)
         {
             throw new NotImplementedException();
         }
 
-        public void Refresh()
+        public async Task Refresh()
         {
-            ISMBClient client = GetSmbClient();
+            ISMBClient client = await GetSmbClient();
 
             List<string> shares = client.ListShares(out var status);
 
             _shares = shares.ConvertAll(s => new SmbShare(s, Provider, this, GetSmbClient)).AsReadOnly();
-            Refreshed?.Invoke(this, EventArgs.Empty);
+            _items = _shares.Cast<IItem>().ToList().AsReadOnly();
+            await Refreshed?.InvokeAsync(this, AsyncEventArgs.Empty);
         }
 
-        private ISMBClient GetSmbClient()
+        private async Task<ISMBClient> GetSmbClient()
         {
             if (_client == null)
             {
@@ -108,7 +106,7 @@ namespace FileTime.Providers.Smb
                 {
                     if (_username == null && _password == null)
                     {
-                        var inputs = _inputInterface.ReadInputs(
+                        var inputs = await _inputInterface.ReadInputs(
                             new InputElement[]
                             {
                                 new InputElement($"Username for '{Name}'", InputType.Text),

src/Providers/FileTime.Providers.Smb/SmbShare.cs

@@ -1,3 +1,4 @@
+using AsyncEvent;
 using FileTime.Core.Interactions;
 using FileTime.Core.Models;
 using FileTime.Core.Providers;
@@ -11,42 +12,9 @@ namespace FileTime.Providers.Smb
         private IReadOnlyList<IItem>? _items;
         private IReadOnlyList<IContainer>? _containers;
         private IReadOnlyList<IElement>? _elements;
-        private Func<ISMBClient> _getSmbClient;
+        private Func<Task<ISMBClient>> _getSmbClient;
         private readonly IContainer? _parent;
 
-        public IReadOnlyList<IItem> Items
-        {
-            get
-            {
-                if (_items == null) Refresh();
-                return _items!;
-            }
-
-            private set => _items = value;
-        }
-
-        public IReadOnlyList<IContainer> Containers
-        {
-            get
-            {
-                if (_containers == null) Refresh();
-                return _containers!;
-            }
-
-            private set => _containers = value;
-        }
-
-        public IReadOnlyList<IElement> Elements
-        {
-            get
-            {
-                if (_elements == null) Refresh();
-                return _elements!;
-            }
-
-            private set => _elements = value;
-        }
-
         public string Name { get; }
 
         public string? FullName { get; }
@@ -56,9 +24,9 @@ namespace FileTime.Providers.Smb
         public SmbContentProvider Provider { get; }
         IContentProvider IItem.Provider => Provider;
 
-        public event EventHandler? Refreshed;
+        public AsyncEventHandler Refreshed { get; } = new();
 
-        public SmbShare(string name, SmbContentProvider contentProvider, IContainer parent, Func<ISMBClient> getSmbClient)
+        public SmbShare(string name, SmbContentProvider contentProvider, IContainer parent, Func<Task<ISMBClient>> getSmbClient)
         {
             _parent = parent;
             _getSmbClient = getSmbClient;
@@ -68,26 +36,42 @@ namespace FileTime.Providers.Smb
             Provider = contentProvider;
         }
 
-        public IContainer CreateContainer(string name)
+        public async Task<IReadOnlyList<IItem>?> GetItems(CancellationToken token = default)
+        {
+            if (_items == null) await Refresh();
+            return _items;
+        }
+        public async Task<IReadOnlyList<IContainer>?> GetContainers(CancellationToken token = default)
+        {
+            if (_containers == null) await Refresh();
+            return _containers;
+        }
+        public async Task<IReadOnlyList<IElement>?> GetElements(CancellationToken token = default)
+        {
+            if (_elements == null) await Refresh();
+            return _elements;
+        }
+
+        public Task<IContainer> CreateContainer(string name)
         {
             throw new NotImplementedException();
         }
 
-        public IElement CreateElement(string name)
+        public Task<IElement> CreateElement(string name)
         {
             throw new NotImplementedException();
         }
 
-        public void Delete()
+        public Task Delete()
         {
             throw new NotImplementedException();
         }
 
-        public IItem? GetByPath(string path)
+        public async Task<IItem?> GetByPath(string path)
         {
             var paths = path.Split(Constants.SeparatorChar);
 
-            var item = Items.FirstOrDefault(i => i.Name == paths[0]);
+            var item = (await GetItems())?.FirstOrDefault(i => i.Name == paths[0]);
 
             if (paths.Length == 1)
             {
@@ -96,7 +80,7 @@ namespace FileTime.Providers.Smb
 
             if (item is IContainer container)
             {
-                return container.GetByPath(string.Join(Constants.SeparatorChar, paths.Skip(1)));
+                return await container.GetByPath(string.Join(Constants.SeparatorChar, paths.Skip(1)));
             }
 
             return null;
@@ -104,19 +88,19 @@ namespace FileTime.Providers.Smb
 
         public IContainer? GetParent() => _parent;
 
-        public bool IsExists(string name)
+        public Task<bool> IsExists(string name)
         {
             throw new NotImplementedException();
         }
 
-        public void Refresh()
+        public async Task Refresh()
         {
             var containers = new List<IContainer>();
             var elements = new List<IElement>();
 
             try
             {
-                (containers, elements) = ListFolder(this, Name, string.Empty);
+                (containers, elements) = await ListFolder(this, Name, string.Empty);
             }
             catch { }
 
@@ -124,15 +108,15 @@ namespace FileTime.Providers.Smb
             _elements = elements.AsReadOnly();
 
             _items = _containers.Cast<IItem>().Concat(_elements).ToList().AsReadOnly();
-            Refreshed?.Invoke(this, EventArgs.Empty);
+            await Refreshed?.InvokeAsync(this, AsyncEventArgs.Empty);
         }
 
-        public (List<IContainer> containers, List<IElement> elements) ListFolder(IContainer parent, string shareName, string folderName)
+        public async Task<(List<IContainer> containers, List<IElement> elements)> ListFolder(IContainer parent, string shareName, string folderName)
         {
             var containers = new List<IContainer>();
             var elements = new List<IElement>();
 
-            var client = _getSmbClient();
+            var client = await _getSmbClient();
             ISMBFileStore fileStore = client.TreeConnect(shareName, out var status);
             if (status == NTStatus.STATUS_SUCCESS)
             {
@@ -148,11 +132,11 @@ namespace FileTime.Providers.Smb
                         {
                             if ((fileDirectoryInformation.FileAttributes & SMBLibrary.FileAttributes.Directory) == SMBLibrary.FileAttributes.Directory)
                             {
-                                containers.Add(new SmbFolder(fileDirectoryInformation.FileName, Provider, this, parent, _getSmbClient));
+                                containers.Add(new SmbFolder(fileDirectoryInformation.FileName, Provider, this, parent));
                             }
                             else
                             {
-                                elements.Add(new SmbFile(fileDirectoryInformation.FileName, Provider, parent, _getSmbClient));
+                                elements.Add(new SmbFile(fileDirectoryInformation.FileName, Provider, parent));
                             }
                         }
                     }