merge branch 'feature/session-timeout'

src/KeyKeeper/ViewModels/RepositoryWindowViewModel.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Threading.Tasks;
+using Avalonia.Threading;
 using KeyKeeper.PasswordStore;
 using static KeyKeeper.PasswordStore.FileFormatConstants;
 
@@ -7,8 +8,13 @@ namespace KeyKeeper.ViewModels;
 
 public partial class RepositoryWindowViewModel : ViewModelBase
 {
+    private static readonly TimeSpan LockTimeout = TimeSpan.FromMinutes(5);
+
     private object currentPage;
     private IPassStore passStore;
+    private DispatcherTimer? _lockTimer;
+    private DateTime _timerStart;
+    private string _lockTimerDisplay = string.Empty;
 
     public Func<string, Task> ShowErrorPopup;
 
@@ -18,6 +24,12 @@ public partial class RepositoryWindowViewModel : ViewModelBase
         set { currentPage = value; OnPropertyChanged(nameof(CurrentPage)); }
     }
 
+    public string LockTimerDisplay
+    {
+        get => _lockTimerDisplay;
+        private set { _lockTimerDisplay = value; OnPropertyChanged(nameof(LockTimerDisplay)); }
+    }
+
     public RepositoryWindowViewModel(IPassStore store)
     {
         passStore = store;
@@ -32,15 +44,72 @@ public partial class RepositoryWindowViewModel : ViewModelBase
             SwitchToLocked();
     }
 
+    /// <summary>
+    /// Сбрасывает таймер блокировки (вызывается при любой активности пользователя).
+    /// </summary>
+    public void ResetLockTimer()
+    {
+        if (_lockTimer != null && _lockTimer.IsEnabled)
+            _timerStart = DateTime.UtcNow;
+    }
+
     private void SwitchToUnlocked()
     {
         var directory = passStore.GetGroupByType(GROUP_TYPE_DEFAULT)
             ?? passStore.GetRootDirectory();
         CurrentPage = new UnlockedRepositoryViewModel(passStore, directory);
+        StartLockTimer();
     }
 
     private void SwitchToLocked()
     {
+        StopLockTimer();
         CurrentPage = new LockedRepositoryViewModel(passStore, this);
     }
+
+    public void StartLockTimer()
+    {
+        StopLockTimer();
+        _timerStart = DateTime.UtcNow;
+        _lockTimer = new DispatcherTimer
+        {
+            Interval = TimeSpan.FromSeconds(1)
+        };
+        _lockTimer.Tick += OnLockTimerTick;
+        _lockTimer.Start();
+        UpdateTimerDisplay();
+    }
+
+    public void StopLockTimer()
+    {
+        if (_lockTimer != null)
+        {
+            _lockTimer.Tick -= OnLockTimerTick;
+            _lockTimer.Stop();
+            _lockTimer = null;
+        }
+        LockTimerDisplay = string.Empty;
+    }
+
+    private void OnLockTimerTick(object? sender, EventArgs e)
+    {
+        var elapsed = DateTime.UtcNow - _timerStart;
+        var remaining = LockTimeout - elapsed;
+
+        if (remaining <= TimeSpan.Zero)
+        {
+            StopLockTimer();
+            passStore.Lock();
+            UpdateLockStatus();
+            return;
+        }
+
+        UpdateTimerDisplay(remaining);
+    }
+
+    private void UpdateTimerDisplay(TimeSpan? remaining = null)
+    {
+        var r = remaining ?? LockTimeout;
+        LockTimerDisplay = $"{r:mm\\:ss}";
+    }
 }

src/KeyKeeper/Views/RepositoryWindow.axaml

@@ -28,6 +28,29 @@
                                HorizontalAlignment="Left"
                                Margin="0,0,0,20"/>
 
+                        <!-- Таймер блокировки под надписью KeyKeeper -->
+                        <Border Background="#CC000000"
+                                CornerRadius="6"
+                                Padding="8,4"
+                                HorizontalAlignment="Left"
+                                Margin="0,0,0,12"
+                                IsVisible="{Binding $parent[Window].DataContext.LockTimerDisplay,
+                                            Converter={x:Static StringConverters.IsNotNullOrEmpty}}">
+                            <StackPanel Orientation="Horizontal" Spacing="6" VerticalAlignment="Center">
+                                <!-- Иконка замка (Material Design lock outline) -->
+                                <Path Fill="White"
+                                      VerticalAlignment="Center"
+                                      Width="13" Height="13"
+                                      Stretch="Uniform"
+                                      Data="M18 8h-1V6c0-2.76-2.24-5-5-5S7 3.24 7 6v2H6c-1.1 0-2 .9-2 2v10c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V10c0-1.1-.9-2-2-2zm-6 9c-1.1 0-2-.9-2-2s.9-2 2-2 2 .9 2 2-.9 2-2 2zm3.1-9H8.9V6c0-1.71 1.39-3.1 3.1-3.1 1.71 0 3.1 1.39 3.1 3.1v2z"/>
+                                <TextBlock Text="{Binding $parent[Window].DataContext.LockTimerDisplay}"
+                                           Foreground="White"
+                                           FontSize="13"
+                                           FontWeight="SemiBold"
+                                           VerticalAlignment="Center"/>
+                            </StackPanel>
+                        </Border>
+
                         <!-- Рамочка  -->
             <!-- <Border BorderBrush="Gray" 
                                 BorderThickness="1" 

src/KeyKeeper/Views/RepositoryWindow.axaml.cs

@@ -28,6 +28,15 @@ public partial class RepositoryWindow : Window
     protected override void OnOpened(EventArgs e)
     {
         base.OnOpened(e);
+        AddHandler(PointerMovedEvent, OnUserActivity, RoutingStrategies.Tunnel);
+        AddHandler(PointerPressedEvent, OnUserActivity, RoutingStrategies.Tunnel);
+        AddHandler(KeyDownEvent, OnUserActivity, RoutingStrategies.Tunnel);
+    }
+
+    private void OnUserActivity(object? sender, RoutedEventArgs e)
+    {
+        if (DataContext is RepositoryWindowViewModel vm)
+            vm.ResetLockTimer();
     }
 
     private async void RepositoryWindow_Closing(object? sender, WindowClosingEventArgs e)
@@ -77,8 +86,13 @@ public partial class RepositoryWindow : Window
         if (DataContext is RepositoryWindowViewModel vm_ && vm_.CurrentPage is UnlockedRepositoryViewModel vm)
         {
             EntryEditWindow dialog = new();
+
+            vm_.StopLockTimer();
+
             await dialog.ShowDialog(this);
 
+            vm_.StartLockTimer();
+
             if (dialog.EditedEntry != null)
                 vm.AddEntry(dialog.EditedEntry);
         }
@@ -104,8 +118,13 @@ public partial class RepositoryWindow : Window
 
             EntryEditWindow dialog = new();
             dialog.SetEntry(selectedEntry);
+
+            vm_.StopLockTimer();
+
             await dialog.ShowDialog(this);
 
+            vm_.StartLockTimer();
+
             if (dialog.EditedEntry != null)
             {
                 vm.UpdateEntry(dialog.EditedEntry);
@@ -151,7 +170,9 @@ public partial class RepositoryWindow : Window
                 {
                     EntryEditWindow dialog = new();
                     dialog.SetEntry(pwd);
+                    vm.StopLockTimer();
                     await dialog.ShowDialog(this);
+                    vm.StartLockTimer();
                     if (dialog.EditedEntry != null)
                     {
                         pageVm.UpdateEntry(dialog.EditedEntry);