0.6.6

滑动优化

LanMountainDesktop/App.axaml.cs

@@ -510,6 +510,8 @@ public partial class App : Application
 
             if (languageChanged)
             {
+                // 清除本地化缓存，强制重新加载语言文件
+                _localizationService.ClearCache();
                 ApplyCurrentCultureFromSettings();
                 if (_trayIcons is not null)
                 {

LanMountainDesktop/Localization/zh-CN.json

@@ -892,6 +892,6 @@
     "single_instance.notice.title":  "应用已经运行",
     "single_instance.notice.description":  "应用已经运行，无需多次点击打开。",
     "single_instance.notice.button":  "确定",
-    "market.status.install_success_restart_format":  "✓ 插件"{0}"安装成功！请重启应用以激活它。",
-    "market.dialog.restart_message_format":  "插件"{0}"已成功安装。\n\n要使用此插件，您需要立即重启应用。\n\n是否立即重启？"
+    "market.status.install_success_restart_format":  "✓ 插件'{0}'安装成功！请重启应用以激活它。",
+    "market.dialog.restart_message_format":  "插件'{0}'已成功安装。\n\n要使用此插件，您需要立即重启应用。\n\n是否立即重启？"
   }

LanMountainDesktop/Services/LocalizationService.cs

@@ -17,6 +17,23 @@ public sealed class LocalizationService
     private readonly Dictionary<string, Dictionary<string, string>> _cache =
         new(StringComparer.OrdinalIgnoreCase);
 
+    /// <summary>
+    /// 清除指定语言代码的缓存，强制下次重新加载。
+    /// 在语言切换时调用此方法以确保加载最新的语言文件。
+    /// </summary>
+    public void ClearCache(string? languageCode = null)
+    {
+        if (string.IsNullOrWhiteSpace(languageCode))
+        {
+            _cache.Clear();
+        }
+        else
+        {
+            var normalizedCode = NormalizeLanguageCode(languageCode);
+            _cache.Remove(normalizedCode);
+        }
+    }
+
     public string NormalizeLanguageCode(string? languageCode)
     {
         return string.Equals(languageCode, "en-US", StringComparison.OrdinalIgnoreCase)
@@ -53,7 +70,7 @@ public sealed class LocalizationService
             {
                 json = json.TrimStart('\uFEFF');
                 var data = JsonSerializer.Deserialize<Dictionary<string, string>>(json, JsonOptions);
-                if (data is not null)
+                if (data is not null && data.Count > 0)
                 {
                     result = new Dictionary<string, string>(data, StringComparer.OrdinalIgnoreCase);
                 }
@@ -64,7 +81,11 @@ public sealed class LocalizationService
             // Keep empty table for resilience.
         }
 
-        _cache[languageCode] = result;
+        // 只有当语言表非空时才缓存，这样如果加载失败可以下次重试
+        if (result.Count > 0)
+        {
+            _cache[languageCode] = result;
+        }
         return result;
     }
 

LanMountainDesktop/Services/Settings/SettingsWindowService.cs

@@ -294,6 +294,8 @@ internal sealed class SettingsWindowService : ISettingsWindowService
             if (languageChanged)
             {
                 var regionState = _settingsFacade.Region.Get();
+                // 清除本地化缓存，强制重新加载语言文件
+                _localizationService.ClearCache();
                 _viewModel.RefreshLanguage(regionState.LanguageCode);
                 _pageRegistry.Rebuild();
                 _window.ReloadPages(_viewModel.CurrentPageId);

LanMountainDesktop/Views/MainWindow.ComponentSystem.cs

@@ -964,6 +964,7 @@ public partial class MainWindow
         DisposeComponentIfNeeded(host);
         contentHost.Child = component;
         ApplyDesktopEditStateToHost(host, _isComponentLibraryOpen);
+        InvalidateDesktopPageAwareComponentContextCache();
         UpdateDesktopPageAwareComponentContext();
         if (_selectedDesktopComponentHost == host)
         {
@@ -1102,6 +1103,7 @@ public partial class MainWindow
 
         ClearTimeZoneServiceBindings(pageGrid.Children.OfType<Control>().ToList());
         pageGrid.Children.Clear();
+        InvalidateDesktopPageAwareComponentContextCache();
 
         var maxColumns = pageGrid.ColumnDefinitions.Count;
         var maxRows = pageGrid.RowDefinitions.Count;
@@ -1204,6 +1206,7 @@ public partial class MainWindow
         pageGrid.Children.Add(host);
 
         _desktopComponentPlacements.Add(placement);
+        InvalidateDesktopPageAwareComponentContextCache();
         UpdateDesktopPageAwareComponentContext();
         PersistSettings();
 
@@ -1577,14 +1580,86 @@ public partial class MainWindow
         }
     }
 
+    private void InvalidateDesktopPageAwareComponentContextCache()
+    {
+        _desktopPageContextInitialized = false;
+        _desktopPageContextActiveMask = 0;
+    }
+
+    private int BuildDesktopPageAwareComponentActiveMask()
+    {
+        if (_isSettingsOpen)
+        {
+            return 0;
+        }
+
+        var activeMask = 0;
+        if (_desktopSurfacePageWidth > 1 &&
+            _desktopPagesHostTransform is not null &&
+            (_isDesktopSwipeActive ||
+             _desktopPageContextSettlingSourceIndex is not null ||
+             _desktopPageContextSettlingTargetIndex is not null))
+        {
+            var viewportLeft = -_desktopPagesHostTransform.X;
+            var viewportRight = viewportLeft + _desktopSurfacePageWidth;
+            for (var pageIndex = 0; pageIndex < _desktopPageCount; pageIndex++)
+            {
+                var pageLeft = pageIndex * _desktopSurfacePageWidth;
+                var pageRight = pageLeft + _desktopSurfacePageWidth;
+                if (pageRight > viewportLeft + 0.5d && pageLeft < viewportRight - 0.5d)
+                {
+                    activeMask |= 1 << pageIndex;
+                }
+            }
+        }
+
+        if (_currentDesktopSurfaceIndex >= 0 && _currentDesktopSurfaceIndex < _desktopPageCount)
+        {
+            activeMask |= 1 << _currentDesktopSurfaceIndex;
+        }
+
+        if (_desktopPageContextSettlingSourceIndex is int sourceIndex &&
+            sourceIndex >= 0 &&
+            sourceIndex < _desktopPageCount)
+        {
+            activeMask |= 1 << sourceIndex;
+        }
+
+        if (_desktopPageContextSettlingTargetIndex is int targetIndex &&
+            targetIndex >= 0 &&
+            targetIndex < _desktopPageCount)
+        {
+            activeMask |= 1 << targetIndex;
+        }
+
+        return activeMask;
+    }
+
     private void UpdateDesktopPageAwareComponentContext()
     {
-        var activeDesktopPageIndex = _isSettingsOpen ? -1 : _currentDesktopSurfaceIndex;
         var isEditMode = _isComponentLibraryOpen || _isSettingsOpen;
+        var activeMask = BuildDesktopPageAwareComponentActiveMask();
+        var pageUpdateMask = !_desktopPageContextInitialized || isEditMode != _desktopPageContextEditMode
+            ? _desktopPageComponentGrids.Keys.Aggregate(0, (mask, pageIndex) => mask | (1 << pageIndex))
+            : activeMask ^ _desktopPageContextActiveMask;
+
+        if (_desktopPageContextInitialized &&
+            pageUpdateMask == 0 &&
+            isEditMode == _desktopPageContextEditMode &&
+            activeMask == _desktopPageContextActiveMask)
+        {
+            return;
+        }
 
         foreach (var pair in _desktopPageComponentGrids)
         {
-            var isOnActivePage = pair.Key == activeDesktopPageIndex;
+            var pageBit = 1 << pair.Key;
+            if ((pageUpdateMask & pageBit) == 0)
+            {
+                continue;
+            }
+
+            var isOnActivePage = (activeMask & pageBit) != 0;
             foreach (var host in pair.Value.Children.OfType<Border>())
             {
                 if (!host.Classes.Contains(DesktopComponentHostClass))
@@ -1598,6 +1673,10 @@ public partial class MainWindow
                 }
             }
         }
+
+        _desktopPageContextInitialized = true;
+        _desktopPageContextEditMode = isEditMode;
+        _desktopPageContextActiveMask = activeMask;
     }
 
     private static void ApplyDesktopPageContext(Control root, bool isOnActivePage, bool isEditMode)

LanMountainDesktop/Views/MainWindow.DesktopPaging.cs

@@ -5,6 +5,7 @@ using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 using Avalonia;
+using Avalonia.Animation;
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Interactivity;
@@ -16,6 +17,7 @@ using Avalonia.VisualTree;
 using FluentAvalonia.UI.Controls;
 using LanMountainDesktop.Models;
 using LanMountainDesktop.Services;
+using LanMountainDesktop.Theme;
 
 namespace LanMountainDesktop.Views;
 
@@ -54,6 +56,8 @@ public partial class MainWindow
     private int _currentDesktopSurfaceIndex;
     private double _desktopSurfacePageWidth;
     private TranslateTransform? _desktopPagesHostTransform;
+    private Transitions? _desktopPagesHostSnapTransitions;
+    private bool _desktopPagesHostTransitionsSuspended;
     private bool _isDesktopSwipeActive;
     private bool _isDesktopSwipeDirectionLocked;
     private Point _desktopSwipeStartPoint;
@@ -62,6 +66,12 @@ public partial class MainWindow
     private long _desktopSwipeLastTimestamp;
     private double _desktopSwipeVelocityX;
     private double _desktopSwipeBaseOffset;
+    private bool _desktopPageContextInitialized;
+    private bool _desktopPageContextEditMode;
+    private int _desktopPageContextActiveMask;
+    private int? _desktopPageContextSettlingSourceIndex;
+    private int? _desktopPageContextSettlingTargetIndex;
+    private int _desktopPageContextSettleRevision;
 
     private int LauncherSurfaceIndex => Math.Max(MinDesktopPageCount, _desktopPageCount);
 
@@ -164,6 +174,15 @@ public partial class MainWindow
             DesktopPagesHost.RenderTransform = _desktopPagesHostTransform;
         }
 
+        if (_desktopPagesHostTransitionsSuspended)
+        {
+            _desktopPagesHostTransform.Transitions = null;
+        }
+        else
+        {
+            _desktopPagesHostSnapTransitions ??= _desktopPagesHostTransform.Transitions;
+        }
+
         var viewportRow = gridMetrics.RowCount > 2 ? 1 : 0;
         var viewportRowSpan = gridMetrics.RowCount > 2 ? gridMetrics.RowCount - 2 : 1;
         var pageWidth = Math.Max(1, gridMetrics.GridWidthPx);
@@ -200,6 +219,7 @@ public partial class MainWindow
         DesktopPagesContainer.Width = pageWidth * _desktopPageCount;
         DesktopPagesContainer.Height = pageHeight;
         _desktopPageComponentGrids.Clear();
+        InvalidateDesktopPageAwareComponentContextCache();
         for (var index = 0; index < _desktopPageCount; index++)
         {
             DesktopPagesContainer.ColumnDefinitions.Add(new ColumnDefinition(new GridLength(pageWidth, GridUnitType.Pixel)));
@@ -354,6 +374,88 @@ public partial class MainWindow
         UpdateDesktopPageAwareComponentContext();
     }
 
+    private void SetDesktopPagesHostSnapAnimationEnabled(bool enabled)
+    {
+        if (_desktopPagesHostTransform is null)
+        {
+            return;
+        }
+
+        if (enabled)
+        {
+            if (!_desktopPagesHostTransitionsSuspended)
+            {
+                return;
+            }
+
+            _desktopPagesHostTransform.Transitions = _desktopPagesHostSnapTransitions;
+            _desktopPagesHostTransitionsSuspended = false;
+            return;
+        }
+
+        if (_desktopPagesHostTransitionsSuspended)
+        {
+            return;
+        }
+
+        _desktopPagesHostSnapTransitions ??= _desktopPagesHostTransform.Transitions;
+        _desktopPagesHostTransform.Transitions = null;
+        _desktopPagesHostTransitionsSuspended = true;
+    }
+
+    private void ClearDesktopPageContextSettle(bool refreshContext)
+    {
+        _desktopPageContextSettleRevision++;
+        _desktopPageContextSettlingSourceIndex = null;
+        _desktopPageContextSettlingTargetIndex = null;
+
+        if (refreshContext)
+        {
+            UpdateDesktopPageAwareComponentContext();
+        }
+    }
+
+    private void BeginDesktopPageContextSettle(int previousIndex, int targetIndex)
+    {
+        var sourceIndex = previousIndex >= 0 && previousIndex < _desktopPageCount
+            ? previousIndex
+            : (int?)null;
+        var destinationIndex = targetIndex >= 0 && targetIndex < _desktopPageCount
+            ? targetIndex
+            : (int?)null;
+
+        if (sourceIndex == destinationIndex && destinationIndex is not null)
+        {
+            ClearDesktopPageContextSettle(refreshContext: false);
+            return;
+        }
+
+        if (sourceIndex is null && destinationIndex is null)
+        {
+            ClearDesktopPageContextSettle(refreshContext: false);
+            return;
+        }
+
+        _desktopPageContextSettleRevision++;
+        var settleRevision = _desktopPageContextSettleRevision;
+        _desktopPageContextSettlingSourceIndex = sourceIndex;
+        _desktopPageContextSettlingTargetIndex = destinationIndex;
+
+        DispatcherTimer.RunOnce(
+            () =>
+            {
+                if (settleRevision != _desktopPageContextSettleRevision)
+                {
+                    return;
+                }
+
+                _desktopPageContextSettlingSourceIndex = null;
+                _desktopPageContextSettlingTargetIndex = null;
+                UpdateDesktopPageAwareComponentContext();
+            },
+            FluttermotionToken.Page + TimeSpan.FromMilliseconds(36));
+    }
+
     private void MoveSurfaceBy(int delta)
     {
         if (delta == 0)
@@ -373,9 +475,11 @@ public partial class MainWindow
             return;
         }
 
+        var previousIndex = _currentDesktopSurfaceIndex;
         _currentDesktopSurfaceIndex = target;
+        BeginDesktopPageContextSettle(previousIndex, target);
         ApplyDesktopSurfaceOffset();
-        PersistSettings();
+        SchedulePersistSettings(delayMs: Math.Max(280, (int)FluttermotionToken.Page.TotalMilliseconds + 80));
     }
 
     private bool CanSwipeDesktopSurface()
@@ -426,6 +530,7 @@ public partial class MainWindow
             return;
         }
 
+        ClearDesktopPageContextSettle(refreshContext: false);
         _isDesktopSwipeActive = true;
         _isDesktopSwipeDirectionLocked = false;
         _desktopSwipeStartPoint = pointerInViewport;
@@ -603,6 +708,7 @@ public partial class MainWindow
             }
 
             _isDesktopSwipeDirectionLocked = true;
+            SetDesktopPagesHostSnapAnimationEnabled(enabled: false);
             if (e.Pointer.Captured != DesktopPagesViewport)
             {
                 e.Pointer.Capture(DesktopPagesViewport);
@@ -621,6 +727,7 @@ public partial class MainWindow
         }
 
         _desktopPagesHostTransform.X = tentative;
+        UpdateDesktopPageAwareComponentContext();
         e.Handled = true;
     }
 
@@ -656,6 +763,7 @@ public partial class MainWindow
         _desktopSwipeLastTimestamp = 0;
         if (wasDirectionLocked)
         {
+            SetDesktopPagesHostSnapAnimationEnabled(enabled: true);
             ApplyDesktopSurfaceOffset();
         }
     }
@@ -682,6 +790,8 @@ public partial class MainWindow
             return false;
         }
 
+        SetDesktopPagesHostSnapAnimationEnabled(enabled: true);
+
         var deltaX = _desktopSwipeCurrentPoint.X - _desktopSwipeStartPoint.X;
         var deltaY = _desktopSwipeCurrentPoint.Y - _desktopSwipeStartPoint.Y;
         var absDeltaX = Math.Abs(deltaX);

LanMountainDesktop/Views/MainWindow.SettingsHardCut.Stubs.cs

@@ -32,6 +32,11 @@ public partial class MainWindow
     {
         _ = sender;
 
+        if (_suppressOwnSettingsReloadCount > 0)
+        {
+            return;
+        }
+
         if (e.Scope == SettingsScope.App && e.ChangedKeys is { Count: > 0 })
         {
             var changedKeys = e.ChangedKeys.ToArray();
@@ -382,6 +387,7 @@ public partial class MainWindow
 
     private void PersistSettings()
     {
+        _persistSettingsRevision++;
         if (_suppressSettingsPersistence)
         {
             return;
@@ -389,6 +395,8 @@ public partial class MainWindow
 
         try
         {
+            // Saving our own state should not trigger a full external reload cycle.
+            _suppressOwnSettingsReloadCount++;
             _settingsService.SaveSnapshot(SettingsScope.App, BuildAppSettingsSnapshot());
             _componentLayoutStore.SaveLayout(BuildDesktopLayoutSettingsSnapshot());
             _settingsService.SaveSnapshot(SettingsScope.Launcher, BuildLauncherSettingsSnapshot());
@@ -397,11 +405,29 @@ public partial class MainWindow
         {
             AppLogger.Warn("SettingsRuntime", "Failed to persist settings.", ex);
         }
+        finally
+        {
+            if (_suppressOwnSettingsReloadCount > 0)
+            {
+                _suppressOwnSettingsReloadCount--;
+            }
+        }
     }
 
     private void SchedulePersistSettings(int delayMs = 200)
     {
-        DispatcherTimer.RunOnce(PersistSettings, TimeSpan.FromMilliseconds(Math.Max(0, delayMs)));
+        var revision = ++_persistSettingsRevision;
+        DispatcherTimer.RunOnce(
+            () =>
+            {
+                if (revision != _persistSettingsRevision)
+                {
+                    return;
+                }
+
+                PersistSettings();
+            },
+            TimeSpan.FromMilliseconds(Math.Max(0, delayMs)));
     }
 
     internal void ReloadFromPersistedSettings()

LanMountainDesktop/Views/MainWindow.axaml

@@ -145,7 +145,9 @@
                                         <TranslateTransform>
                                             <TranslateTransform.Transitions>
                                                 <Transitions>
-                                                    <DoubleTransition Property="X" Duration="{StaticResource FluttermotionToken.Duration.Page}" />
+                                                    <DoubleTransition Property="X"
+                                                                      Duration="{StaticResource FluttermotionToken.Duration.Page}"
+                                                                      Easing="0.22,1,0.36,1" />
                                                 </Transitions>
                                             </TranslateTransform.Transitions>
                                         </TranslateTransform>

LanMountainDesktop/Views/MainWindow.axaml.cs

@@ -153,6 +153,8 @@ public partial class MainWindow : Window, ISettingsWindowAnchorProvider
     private bool _isWeatherPreviewInProgress;
     private ClockDisplayFormat _clockDisplayFormat = ClockDisplayFormat.HourMinuteSecond;
     private bool _externalSettingsReloadPending;
+    private int _persistSettingsRevision;
+    private int _suppressOwnSettingsReloadCount;
     private double CurrentDesktopPitch => _currentDesktopCellSize + _currentDesktopCellGap;
 
     public MainWindow()

LanMountainDesktop/Views/SettingsPages/UpdateSettingsPage.axaml

@@ -70,9 +70,11 @@
                     </Grid>
 
                     <Grid ColumnDefinitions="Auto,*"
+                          RowDefinitions="Auto,Auto"
                           ColumnSpacing="20"
                           RowSpacing="16">
-                        <StackPanel Grid.Column="0"
+                        <StackPanel Grid.Row="0"
+                                    Grid.Column="0"
                                     Spacing="4">
                             <TextBlock Classes="update-kv-label"
                                        Text="{Binding CurrentVersionLabel}" />
@@ -80,7 +82,8 @@
                                        Text="{Binding CurrentVersionText}" />
                         </StackPanel>
 
-                        <StackPanel Grid.Column="1"
+                        <StackPanel Grid.Row="0"
+                                    Grid.Column="1"
                                     Spacing="4"
                                     IsVisible="{Binding IsLatestVersionVisible}">
                             <TextBlock Classes="update-kv-label"
@@ -110,22 +113,26 @@
                         </StackPanel>
                     </Grid>
 
-                    <StackPanel Spacing="12">
+                    <StackPanel Spacing="12"
+                                HorizontalAlignment="Left">
                         <TextBlock Classes="settings-item-description"
                                    Text="{Binding UpdateStatus}"
                                    TextWrapping="Wrap"
+                                   HorizontalAlignment="Left"
                                    MaxWidth="500" />
 
                         <ProgressBar Minimum="0"
                                      Maximum="100"
                                      Value="{Binding DownloadProgressValue}"
                                      IsVisible="{Binding IsDownloadProgressVisible}"
+                                     HorizontalAlignment="Stretch"
                                      Margin="0,4,0,4" />
 
                         <TextBlock Classes="settings-item-description"
                                    IsVisible="{Binding IsDownloadProgressVisible}"
                                    Text="{Binding DownloadProgressText}"
                                    TextWrapping="Wrap"
+                                   HorizontalAlignment="Left"
                                    Margin="0,4,0,0" />
                     </StackPanel>