mirror of
https://github.com/wwiinnddyy/LanMountainDesktop.git
synced 2026-06-22 00:54:26 +08:00
1017 lines
35 KiB
C#
1017 lines
35 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Threading;
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using System.Threading.Tasks;
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Interactivity;
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using Avalonia.Media;
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using Avalonia.Media.Imaging;
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using Avalonia.Platform;
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using Avalonia.Styling;
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using Avalonia.Platform.Storage;
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using Avalonia.Threading;
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using LanMountainDesktop.Services;
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using LanMountainDesktop.Theme;
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using LibVLCSharp.Shared;
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namespace LanMountainDesktop.Views;
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public partial class SettingsWindow
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{
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private void OnNightModeChecked(object? sender, RoutedEventArgs e)
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{
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if (_suppressThemeToggleEvents)
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{
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return;
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}
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ApplyNightModeState(true, refreshPalettes: true);
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}
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private void OnNightModeUnchecked(object? sender, RoutedEventArgs e)
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{
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if (_suppressThemeToggleEvents)
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{
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return;
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}
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ApplyNightModeState(false, refreshPalettes: true);
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}
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private async void OnPickWallpaperClick(object? sender, RoutedEventArgs e)
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{
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if (StorageProvider is null)
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{
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_wallpaperStatus = L("settings.wallpaper.storage_unavailable", "Storage provider is unavailable.");
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UpdateWallpaperDisplay();
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return;
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}
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var options = new FilePickerOpenOptions
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{
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Title = L("filepicker.title", "Select wallpaper"),
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AllowMultiple = false,
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FileTypeFilter =
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[
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new FilePickerFileType(L("filepicker.image_files", "Image files")) { Patterns = ["*.png", "*.jpg", "*.jpeg", "*.bmp", "*.gif", "*.webp"] },
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new FilePickerFileType(L("filepicker.video_files", "Video files")) { Patterns = ["*.mp4", "*.mkv", "*.webm", "*.avi", "*.mov", "*.m4v"] }
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]
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};
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var files = await StorageProvider.OpenFilePickerAsync(options);
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if (files.Count == 0)
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{
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return;
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}
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try
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{
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var importedPath = await ImportWallpaperAssetAsync(files[0]);
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if (string.IsNullOrWhiteSpace(importedPath))
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{
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_wallpaperStatus = L("settings.wallpaper.import_failed", "Failed to import wallpaper file.");
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UpdateWallpaperDisplay();
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return;
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}
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_wallpaperPath = importedPath;
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var mediaType = DetectWallpaperMediaType(importedPath);
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switch (mediaType)
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{
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case WallpaperMediaType.Image:
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_wallpaperBitmap?.Dispose();
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_wallpaperBitmap = new Bitmap(importedPath);
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_wallpaperVideoPath = null;
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_wallpaperMediaType = WallpaperMediaType.Image;
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_wallpaperStatus = L("settings.wallpaper.image_applied", "Image wallpaper applied.");
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break;
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case WallpaperMediaType.Video:
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_wallpaperBitmap?.Dispose();
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_wallpaperBitmap = null;
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_wallpaperVideoPath = importedPath;
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_wallpaperMediaType = WallpaperMediaType.Video;
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_wallpaperStatus = L("settings.wallpaper.video_applied", "Video wallpaper applied.");
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break;
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default:
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_wallpaperStatus = L("settings.wallpaper.unsupported_file", "Selected file type is not supported.");
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UpdateWallpaperDisplay();
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return;
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}
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ApplyWallpaperBrush();
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UpdateWallpaperDisplay();
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RefreshColorPalettes();
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EnsureSelectedThemeColor();
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UpdateThemeColorSelectionState();
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ThemeColorStatusTextBlock.Text = _wallpaperMediaType == WallpaperMediaType.Video
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? L("settings.color.theme_updated_video", "Video wallpaper updated. Theme colors refreshed.")
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: L("settings.color.theme_updated_wallpaper", "Wallpaper updated. Monet colors refreshed.");
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PersistSettings();
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}
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catch (Exception ex)
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{
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_wallpaperStatus = Lf("settings.wallpaper.apply_failed_format", "Failed to apply wallpaper: {0}", ex.Message);
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UpdateWallpaperDisplay();
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}
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}
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private void OnClearWallpaperClick(object? sender, RoutedEventArgs e)
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{
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StopVideoWallpaper();
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_wallpaperVideoPath = null;
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_wallpaperMediaType = WallpaperMediaType.None;
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_wallpaperBitmap?.Dispose();
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_wallpaperBitmap = null;
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_wallpaperPath = null;
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_wallpaperStatus = L("settings.wallpaper.cleared", "Background reset to solid color.");
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ApplyWallpaperBrush();
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UpdateWallpaperDisplay();
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RefreshColorPalettes();
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EnsureSelectedThemeColor();
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UpdateThemeColorSelectionState();
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ThemeColorStatusTextBlock.Text = L("settings.color.theme_cleared_wallpaper", "Wallpaper cleared. Monet colors refreshed.");
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PersistSettings();
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}
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private void OnWallpaperPlacementSelectionChanged(object? sender, SelectionChangedEventArgs e)
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{
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ApplyWallpaperBrush();
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if (_wallpaperMediaType == WallpaperMediaType.Image && _wallpaperBitmap is not null)
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{
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_wallpaperStatus = Lf("settings.wallpaper.mode_format", "Wallpaper mode: {0}.", GetLocalizedPlacementDisplayName(GetSelectedWallpaperPlacement()));
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}
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else if (_wallpaperMediaType == WallpaperMediaType.Video)
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{
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_wallpaperStatus = L("settings.wallpaper.video_mode", "Video wallpaper mode uses automatic fill mode.");
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}
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UpdateWallpaperDisplay();
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PersistSettings();
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}
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private void ApplyWallpaperBrush()
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{
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if (_wallpaperMediaType == WallpaperMediaType.Video && !string.IsNullOrWhiteSpace(_wallpaperVideoPath))
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{
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DesktopWallpaperLayer.Background = Brushes.Transparent;
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WallpaperPreviewViewport.Background = GetThemeDefaultDesktopBackground();
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SyncVideoWallpaperPreviewPlayback();
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return;
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}
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StopVideoWallpaper();
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if (_wallpaperBitmap is null)
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{
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var fallbackBackground = GetThemeDefaultDesktopBackground();
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DesktopWallpaperLayer.Background = fallbackBackground;
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WallpaperPreviewViewport.Background = fallbackBackground;
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return;
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}
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var placement = GetSelectedWallpaperPlacement();
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DesktopWallpaperLayer.Background = CreateWallpaperBrush(_wallpaperBitmap, placement, false);
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WallpaperPreviewViewport.Background = CreateWallpaperBrush(_wallpaperBitmap, placement, true);
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}
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private void SyncVideoWallpaperPreviewPlayback()
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{
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var shouldPlay =
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_wallpaperMediaType == WallpaperMediaType.Video &&
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!string.IsNullOrWhiteSpace(_wallpaperVideoPath) &&
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WallpaperSettingsPanel.IsVisible;
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if (!shouldPlay)
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{
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if (_previewVideoWallpaperPlayer?.IsPlaying == true)
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{
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StopPreviewVideoCapture(clearSnapshot: false);
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}
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WallpaperPreviewVideoImage.IsVisible = WallpaperPreviewVideoImage.Source is not null && WallpaperSettingsPanel.IsVisible;
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return;
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}
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if (WallpaperPreviewVideoImage.Source is not null)
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{
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WallpaperPreviewVideoImage.IsVisible = true;
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return;
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}
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if (_previewVideoWallpaperMedia is null || _previewVideoSnapshotPending)
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{
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PlayVideoWallpaper(_wallpaperVideoPath!);
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}
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}
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private void UpdateWallpaperDisplay()
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{
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WallpaperPathTextBlock.Text = string.IsNullOrWhiteSpace(_wallpaperPath)
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? L("settings.wallpaper.no_selection", "No wallpaper selected.")
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: Path.GetFileName(_wallpaperPath);
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WallpaperStatusTextBlock.Text = _wallpaperStatus;
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WallpaperPlacementComboBox.IsEnabled = _wallpaperMediaType != WallpaperMediaType.Video;
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if (_wallpaperMediaType == WallpaperMediaType.Video)
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{
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WallpaperPreviewViewport.Background = GetThemeDefaultDesktopBackground();
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return;
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}
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if (_wallpaperBitmap is null)
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{
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WallpaperPreviewViewport.Background = GetThemeDefaultDesktopBackground();
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return;
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}
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WallpaperPreviewViewport.Background = CreateWallpaperBrush(_wallpaperBitmap, GetSelectedWallpaperPlacement(), true);
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}
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private ImageBrush CreateWallpaperBrush(Bitmap bitmap, WallpaperPlacement placement, bool forPreview)
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{
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var brush = new ImageBrush
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{
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Source = bitmap,
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Stretch = Stretch.UniformToFill,
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AlignmentX = AlignmentX.Center,
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AlignmentY = AlignmentY.Center,
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TileMode = TileMode.None
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};
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if (forPreview && placement == WallpaperPlacement.Center)
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{
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const double nominalScreenWidth = 1920.0;
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const double previewWidth = 480.0;
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brush.Transform = new ScaleTransform(previewWidth / nominalScreenWidth, previewWidth / nominalScreenWidth);
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}
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switch (placement)
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{
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case WallpaperPlacement.Fit:
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brush.Stretch = Stretch.Uniform;
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break;
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case WallpaperPlacement.Stretch:
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brush.Stretch = Stretch.Fill;
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break;
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case WallpaperPlacement.Center:
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brush.Stretch = Stretch.None;
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break;
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case WallpaperPlacement.Tile:
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brush.Stretch = Stretch.None;
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brush.TileMode = TileMode.Tile;
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var tileSize = forPreview ? 96d : 220d;
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brush.DestinationRect = new RelativeRect(0, 0, tileSize, tileSize, RelativeUnit.Absolute);
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break;
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}
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return brush;
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}
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private WallpaperPlacement GetSelectedWallpaperPlacement()
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{
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return WallpaperPlacementComboBox.SelectedIndex switch
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{
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1 => WallpaperPlacement.Fit,
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2 => WallpaperPlacement.Stretch,
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3 => WallpaperPlacement.Center,
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4 => WallpaperPlacement.Tile,
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_ => WallpaperPlacement.Fill
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};
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}
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private static string GetPlacementDisplayName(WallpaperPlacement placement)
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{
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return placement switch
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{
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WallpaperPlacement.Fill => "Fill",
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WallpaperPlacement.Fit => "Fit",
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WallpaperPlacement.Stretch => "Stretch",
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WallpaperPlacement.Center => "Center",
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WallpaperPlacement.Tile => "Tile",
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_ => "Fill"
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};
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}
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private IBrush GetThemeDefaultDesktopBackground()
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{
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if (Resources.TryGetResource("AdaptiveSurfaceBaseBrush", ActualThemeVariant, out var resource) &&
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resource is IBrush themedBrush)
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{
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return themedBrush;
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}
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return _defaultDesktopBackground ??
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(_isNightMode
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? new SolidColorBrush(Color.Parse("#FF0B1220"))
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: new SolidColorBrush(Color.Parse("#FFF3F7FB")));
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}
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private static int GetPlacementIndexFromSetting(string? placement)
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{
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if (string.IsNullOrWhiteSpace(placement))
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{
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return 0;
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}
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return placement.Trim().ToLowerInvariant() switch
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{
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"fit" => 1,
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"stretch" => 2,
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"center" => 3,
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"tile" => 4,
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_ => 0
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};
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}
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private void TryRestoreWallpaper(string? savedWallpaperPath)
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{
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StopVideoWallpaper();
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_wallpaperMediaType = WallpaperMediaType.None;
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_wallpaperVideoPath = null;
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_wallpaperBitmap?.Dispose();
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_wallpaperBitmap = null;
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_wallpaperPath = null;
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if (string.IsNullOrWhiteSpace(savedWallpaperPath))
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{
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_wallpaperStatus = L("settings.wallpaper.default_status", "Current background uses solid color.");
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return;
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}
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if (!Path.IsPathRooted(savedWallpaperPath) || !File.Exists(savedWallpaperPath))
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{
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_wallpaperStatus = L("settings.wallpaper.saved_not_found", "Saved wallpaper file was not found. Using solid color background.");
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return;
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}
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try
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{
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var mediaType = DetectWallpaperMediaType(savedWallpaperPath);
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switch (mediaType)
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{
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case WallpaperMediaType.Image:
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_wallpaperBitmap = new Bitmap(savedWallpaperPath);
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_wallpaperPath = savedWallpaperPath;
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_wallpaperMediaType = WallpaperMediaType.Image;
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_wallpaperStatus = L("settings.wallpaper.restored", "Wallpaper restored from saved settings.");
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break;
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case WallpaperMediaType.Video:
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_wallpaperVideoPath = savedWallpaperPath;
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_wallpaperPath = savedWallpaperPath;
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_wallpaperMediaType = WallpaperMediaType.Video;
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_wallpaperStatus = L("settings.wallpaper.video_restored", "Video wallpaper restored from saved settings.");
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break;
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default:
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_wallpaperStatus = L("settings.wallpaper.unsupported_file", "Saved wallpaper type is not supported. Using solid color background.");
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break;
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}
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}
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catch
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{
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_wallpaperStatus = L("settings.wallpaper.restore_failed", "Failed to restore saved wallpaper. Using solid color background.");
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_wallpaperBitmap?.Dispose();
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_wallpaperBitmap = null;
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_wallpaperMediaType = WallpaperMediaType.None;
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_wallpaperVideoPath = null;
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_wallpaperPath = null;
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}
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}
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private static bool TryParseColor(string? colorText, out Color color)
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{
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color = default;
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if (string.IsNullOrWhiteSpace(colorText))
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{
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return false;
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}
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try
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{
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color = Color.Parse(colorText);
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return true;
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}
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catch
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{
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return false;
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}
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}
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private static WallpaperMediaType DetectWallpaperMediaType(string path)
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{
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var extension = Path.GetExtension(path);
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if (string.IsNullOrWhiteSpace(extension))
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{
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return WallpaperMediaType.None;
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}
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if (SupportedImageExtensions.Contains(extension))
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{
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return WallpaperMediaType.Image;
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}
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if (SupportedVideoExtensions.Contains(extension))
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{
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return WallpaperMediaType.Video;
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}
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return WallpaperMediaType.None;
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}
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private static async Task<string?> ImportWallpaperAssetAsync(IStorageFile file)
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{
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try
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{
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var extension = Path.GetExtension(file.Name);
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if (string.IsNullOrWhiteSpace(extension))
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{
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extension = ".bin";
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}
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var appData = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
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var wallpaperDirectory = Path.Combine(appData, "LanMountainDesktop", "Wallpapers");
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Directory.CreateDirectory(wallpaperDirectory);
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var destinationPath = Path.Combine(wallpaperDirectory, $"{DateTime.Now:yyyyMMdd_HHmmss}_{Guid.NewGuid():N}{extension}");
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await using var sourceStream = await file.OpenReadAsync();
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await using var destinationStream = File.Create(destinationPath);
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await sourceStream.CopyToAsync(destinationStream);
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return destinationPath;
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}
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catch
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{
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return null;
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}
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}
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private void EnsureVideoWallpaperPlayers()
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{
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Core.Initialize();
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_libVlc ??= new LibVLC("--quiet");
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if (_previewVideoWallpaperPlayer is null)
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{
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_previewVideoWallpaperPlayer = new MediaPlayer(_libVlc)
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{
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EnableHardwareDecoding = false
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};
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}
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}
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private void EnsurePreviewVideoFrameRefreshTimer()
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{
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if (_previewVideoFrameRefreshTimer is not null)
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{
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return;
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}
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_previewVideoFrameRefreshTimer = new DispatcherTimer
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{
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Interval = TimeSpan.FromMilliseconds(33)
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};
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_previewVideoFrameRefreshTimer.Tick += OnPreviewVideoFrameRefreshTimerTick;
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}
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private void StartPreviewVideoFrameRefreshTimer()
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{
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EnsurePreviewVideoFrameRefreshTimer();
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if (_previewVideoFrameRefreshTimer?.IsEnabled == false)
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{
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_previewVideoFrameRefreshTimer.Start();
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}
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}
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private void StopPreviewVideoFrameRefreshTimer()
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{
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if (_previewVideoFrameRefreshTimer?.IsEnabled == true)
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{
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_previewVideoFrameRefreshTimer.Stop();
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}
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}
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private void OnPreviewVideoFrameRefreshTimerTick(object? sender, EventArgs e)
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{
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PushPreviewVideoFrameToWallpaperImage();
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}
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private void StopPreviewVideoCapture(bool clearSnapshot)
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{
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WallpaperPreviewVideoImage.IsVisible = false;
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_previewVideoWallpaperPlayer?.Stop();
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StopPreviewVideoFrameRefreshTimer();
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_previewVideoWallpaperMedia?.Dispose();
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_previewVideoWallpaperMedia = null;
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_previewVideoSnapshotPending = false;
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if (clearSnapshot)
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{
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ReleasePreviewVideoRendererResources();
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}
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}
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private bool ConfigurePreviewVideoRenderer()
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{
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if (_previewVideoWallpaperPlayer is null)
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{
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return false;
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}
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var hostWidth = Math.Max(1, WallpaperPreviewViewport.Bounds.Width);
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var hostHeight = Math.Max(1, WallpaperPreviewViewport.Bounds.Height);
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var pixelWidth = Math.Max(1, (int)Math.Round(hostWidth * RenderScaling));
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var pixelHeight = Math.Max(1, (int)Math.Round(hostHeight * RenderScaling));
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const int maxPixelCount = 1280 * 720;
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var pixelCount = (long)pixelWidth * pixelHeight;
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if (pixelCount > maxPixelCount)
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{
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var scale = Math.Sqrt((double)maxPixelCount / pixelCount);
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pixelWidth = Math.Max(1, (int)Math.Round(pixelWidth * scale));
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pixelHeight = Math.Max(1, (int)Math.Round(pixelHeight * scale));
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}
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var pitch = pixelWidth * 4;
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var bufferSize = pitch * pixelHeight;
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if (bufferSize <= 0)
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{
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return false;
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}
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if (pixelWidth == _previewVideoFrameWidth &&
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pixelHeight == _previewVideoFrameHeight &&
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_previewVideoFrameBufferPtr != IntPtr.Zero &&
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_previewVideoBitmap is not null)
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{
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return true;
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}
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ReleasePreviewVideoRendererResources();
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try
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{
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_previewVideoFrameWidth = pixelWidth;
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_previewVideoFrameHeight = pixelHeight;
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_previewVideoFramePitch = pitch;
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_previewVideoFrameBufferSize = bufferSize;
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_previewVideoFrameBufferPtr = Marshal.AllocHGlobal(_previewVideoFrameBufferSize);
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_previewVideoStagingBuffer = new byte[_previewVideoFrameBufferSize];
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_previewVideoBitmap = new WriteableBitmap(
|
|
new PixelSize(_previewVideoFrameWidth, _previewVideoFrameHeight),
|
|
new Vector(96, 96),
|
|
PixelFormat.Bgra8888,
|
|
AlphaFormat.Opaque);
|
|
EnsurePreviewVideoCallbacks();
|
|
_previewVideoWallpaperPlayer.SetVideoCallbacks(
|
|
_previewVideoLockCallback!,
|
|
_previewVideoUnlockCallback!,
|
|
_previewVideoDisplayCallback!);
|
|
_previewVideoWallpaperPlayer.SetVideoFormat(
|
|
"RV32",
|
|
(uint)_previewVideoFrameWidth,
|
|
(uint)_previewVideoFrameHeight,
|
|
(uint)_previewVideoFramePitch);
|
|
WallpaperPreviewVideoImage.Source = _previewVideoBitmap;
|
|
return true;
|
|
}
|
|
catch
|
|
{
|
|
ReleasePreviewVideoRendererResources();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
private void EnsurePreviewVideoCallbacks()
|
|
{
|
|
_previewVideoLockCallback ??= OnPreviewVideoFrameLock;
|
|
_previewVideoUnlockCallback ??= OnPreviewVideoFrameUnlock;
|
|
_previewVideoDisplayCallback ??= OnPreviewVideoFrameDisplay;
|
|
}
|
|
|
|
private IntPtr OnPreviewVideoFrameLock(IntPtr opaque, IntPtr planes)
|
|
{
|
|
Monitor.Enter(_previewVideoFrameSync);
|
|
if (_previewVideoFrameBufferPtr == IntPtr.Zero)
|
|
{
|
|
Marshal.WriteIntPtr(planes, IntPtr.Zero);
|
|
Monitor.Exit(_previewVideoFrameSync);
|
|
return IntPtr.Zero;
|
|
}
|
|
|
|
Marshal.WriteIntPtr(planes, _previewVideoFrameBufferPtr);
|
|
return IntPtr.Zero;
|
|
}
|
|
|
|
private void OnPreviewVideoFrameUnlock(IntPtr opaque, IntPtr picture, IntPtr planes)
|
|
{
|
|
if (Monitor.IsEntered(_previewVideoFrameSync))
|
|
{
|
|
Monitor.Exit(_previewVideoFrameSync);
|
|
}
|
|
}
|
|
|
|
private void OnPreviewVideoFrameDisplay(IntPtr opaque, IntPtr picture)
|
|
{
|
|
Interlocked.Exchange(ref _previewVideoFrameDirtyFlag, 1);
|
|
}
|
|
|
|
private void PushPreviewVideoFrameToWallpaperImage()
|
|
{
|
|
if (Interlocked.Exchange(ref _previewVideoFrameDirtyFlag, 0) == 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (_previewVideoBitmap is null ||
|
|
_previewVideoStagingBuffer is null ||
|
|
_previewVideoFrameBufferPtr == IntPtr.Zero ||
|
|
_previewVideoFrameBufferSize <= 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
lock (_previewVideoFrameSync)
|
|
{
|
|
if (_previewVideoFrameBufferPtr == IntPtr.Zero)
|
|
{
|
|
return;
|
|
}
|
|
|
|
Marshal.Copy(_previewVideoFrameBufferPtr, _previewVideoStagingBuffer, 0, _previewVideoFrameBufferSize);
|
|
}
|
|
|
|
using var framebuffer = _previewVideoBitmap.Lock();
|
|
var rows = Math.Min(framebuffer.Size.Height, _previewVideoFrameHeight);
|
|
var bytesPerRow = Math.Min(framebuffer.RowBytes, _previewVideoFramePitch);
|
|
for (var row = 0; row < rows; row++)
|
|
{
|
|
var sourceOffset = row * _previewVideoFramePitch;
|
|
var destinationPtr = IntPtr.Add(framebuffer.Address, row * framebuffer.RowBytes);
|
|
Marshal.Copy(_previewVideoStagingBuffer, sourceOffset, destinationPtr, bytesPerRow);
|
|
}
|
|
|
|
if (!ReferenceEquals(WallpaperPreviewVideoImage.Source, _previewVideoBitmap))
|
|
{
|
|
WallpaperPreviewVideoImage.Source = _previewVideoBitmap;
|
|
}
|
|
|
|
if (_previewVideoSnapshotPending)
|
|
{
|
|
_previewVideoSnapshotPending = false;
|
|
WallpaperPreviewVideoImage.IsVisible = WallpaperSettingsPanel.IsVisible;
|
|
StopPreviewVideoCapture(clearSnapshot: false);
|
|
WallpaperPreviewVideoImage.IsVisible = WallpaperSettingsPanel.IsVisible;
|
|
}
|
|
}
|
|
|
|
private void ReleasePreviewVideoRendererResources()
|
|
{
|
|
Interlocked.Exchange(ref _previewVideoFrameDirtyFlag, 0);
|
|
WallpaperPreviewVideoImage.Source = null;
|
|
_previewVideoBitmap?.Dispose();
|
|
_previewVideoBitmap = null;
|
|
_previewVideoStagingBuffer = null;
|
|
_previewVideoFrameWidth = 0;
|
|
_previewVideoFrameHeight = 0;
|
|
_previewVideoFramePitch = 0;
|
|
_previewVideoFrameBufferSize = 0;
|
|
|
|
lock (_previewVideoFrameSync)
|
|
{
|
|
if (_previewVideoFrameBufferPtr != IntPtr.Zero)
|
|
{
|
|
Marshal.FreeHGlobal(_previewVideoFrameBufferPtr);
|
|
_previewVideoFrameBufferPtr = IntPtr.Zero;
|
|
}
|
|
}
|
|
}
|
|
|
|
private void PlayVideoWallpaper(string videoPath)
|
|
{
|
|
if (!File.Exists(videoPath))
|
|
{
|
|
_wallpaperStatus = L("settings.wallpaper.video_not_found", "Video wallpaper file not found.");
|
|
StopVideoWallpaper();
|
|
return;
|
|
}
|
|
|
|
try
|
|
{
|
|
EnsureVideoWallpaperPlayers();
|
|
if (_previewVideoWallpaperPlayer is null || _libVlc is null)
|
|
{
|
|
_wallpaperStatus = L("settings.wallpaper.video_player_unavailable", "Video player is unavailable.");
|
|
StopVideoWallpaper();
|
|
return;
|
|
}
|
|
|
|
if (!ConfigurePreviewVideoRenderer())
|
|
{
|
|
_wallpaperStatus = L("settings.wallpaper.video_player_unavailable", "Video player is unavailable.");
|
|
StopVideoWallpaper();
|
|
return;
|
|
}
|
|
|
|
_previewVideoWallpaperMedia?.Dispose();
|
|
_previewVideoWallpaperMedia = new Media(_libVlc, new Uri(videoPath));
|
|
_previewVideoWallpaperMedia.AddOption(":input-repeat=65535");
|
|
_previewVideoSnapshotPending = true;
|
|
WallpaperPreviewVideoImage.IsVisible = false;
|
|
_previewVideoWallpaperPlayer.Play(_previewVideoWallpaperMedia);
|
|
StartPreviewVideoFrameRefreshTimer();
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
_wallpaperStatus = Lf("settings.wallpaper.video_play_failed_format", "Failed to play video wallpaper: {0}", ex.Message);
|
|
StopVideoWallpaper();
|
|
}
|
|
}
|
|
|
|
private void StopVideoWallpaper()
|
|
{
|
|
StopPreviewVideoCapture(clearSnapshot: true);
|
|
}
|
|
|
|
private void OnRecommendedColorClick(object? sender, RoutedEventArgs e)
|
|
{
|
|
ApplyThemeColorFromButton(sender as Button, L("common.recommended", "Recommended"));
|
|
}
|
|
|
|
private void OnMonetColorClick(object? sender, RoutedEventArgs e)
|
|
{
|
|
ApplyThemeColorFromButton(sender as Button, L("common.monet", "Monet"));
|
|
}
|
|
|
|
private void OnRefreshMonetColorsClick(object? sender, RoutedEventArgs e)
|
|
{
|
|
RefreshColorPalettes();
|
|
EnsureSelectedThemeColor();
|
|
UpdateThemeColorSelectionState();
|
|
ThemeColorStatusTextBlock.Text = L("settings.color.monet_refreshed", "Monet colors refreshed.");
|
|
UpdateAdaptiveTextSystem();
|
|
PersistSettings();
|
|
}
|
|
|
|
private void ApplyNightModeState(bool enabled, bool refreshPalettes)
|
|
{
|
|
_isNightMode = enabled;
|
|
RequestedThemeVariant = enabled ? ThemeVariant.Dark : ThemeVariant.Light;
|
|
UpdateThemeModeIcon();
|
|
|
|
_suppressThemeToggleEvents = true;
|
|
NightModeToggleSwitch.IsChecked = enabled;
|
|
_suppressThemeToggleEvents = false;
|
|
|
|
if (refreshPalettes)
|
|
{
|
|
RefreshColorPalettes();
|
|
EnsureSelectedThemeColor();
|
|
}
|
|
|
|
UpdateThemeColorSelectionState();
|
|
ThemeColorStatusTextBlock.Text = Lf("settings.color.mode_status_format", "Theme mode: {0}.", enabled ? L("common.night", "Night") : L("common.day", "Day"));
|
|
UpdateAdaptiveTextSystem();
|
|
ApplyWallpaperBrush();
|
|
PersistSettings();
|
|
}
|
|
|
|
private void RefreshColorPalettes()
|
|
{
|
|
var palette = _monetColorService.BuildPalette(_wallpaperBitmap, _isNightMode);
|
|
_recommendedColors = palette.RecommendedColors;
|
|
_monetColors = palette.MonetColors;
|
|
ApplyColorPaletteToButtons(_recommendedColors, GetRecommendedColorTargets());
|
|
ApplyColorPaletteToButtons(_monetColors, GetMonetColorTargets());
|
|
}
|
|
|
|
private void ApplyColorPaletteToButtons(IReadOnlyList<Color> colors, IReadOnlyList<(Button Button, Border Swatch)> targets)
|
|
{
|
|
for (var i = 0; i < targets.Count; i++)
|
|
{
|
|
var color = i < colors.Count ? colors[i] : Color.Parse("#00000000");
|
|
var (button, swatch) = targets[i];
|
|
button.Tag = color.ToString();
|
|
button.IsEnabled = i < colors.Count;
|
|
swatch.Background = i < colors.Count ? new SolidColorBrush(color) : new SolidColorBrush(Color.Parse("#00000000"));
|
|
}
|
|
}
|
|
|
|
private IReadOnlyList<(Button Button, Border Swatch)> GetRecommendedColorTargets()
|
|
{
|
|
return
|
|
[
|
|
(RecommendedColorButton1, RecommendedColorSwatch1),
|
|
(RecommendedColorButton2, RecommendedColorSwatch2),
|
|
(RecommendedColorButton3, RecommendedColorSwatch3),
|
|
(RecommendedColorButton4, RecommendedColorSwatch4),
|
|
(RecommendedColorButton5, RecommendedColorSwatch5),
|
|
(RecommendedColorButton6, RecommendedColorSwatch6)
|
|
];
|
|
}
|
|
|
|
private IReadOnlyList<(Button Button, Border Swatch)> GetMonetColorTargets()
|
|
{
|
|
return
|
|
[
|
|
(MonetColorButton1, MonetColorSwatch1),
|
|
(MonetColorButton2, MonetColorSwatch2),
|
|
(MonetColorButton3, MonetColorSwatch3),
|
|
(MonetColorButton4, MonetColorSwatch4),
|
|
(MonetColorButton5, MonetColorSwatch5),
|
|
(MonetColorButton6, MonetColorSwatch6)
|
|
];
|
|
}
|
|
|
|
private void EnsureSelectedThemeColor()
|
|
{
|
|
if (ContainsColor(_recommendedColors, _selectedThemeColor) || ContainsColor(_monetColors, _selectedThemeColor))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (_recommendedColors.Count > 0)
|
|
{
|
|
_selectedThemeColor = _recommendedColors[0];
|
|
return;
|
|
}
|
|
|
|
if (_monetColors.Count > 0)
|
|
{
|
|
_selectedThemeColor = _monetColors[0];
|
|
}
|
|
}
|
|
|
|
private void ApplyThemeColorFromButton(Button? button, string sourceLabel)
|
|
{
|
|
if (!TryGetButtonColor(button, out var color))
|
|
{
|
|
return;
|
|
}
|
|
|
|
_selectedThemeColor = color;
|
|
UpdateThemeColorSelectionState();
|
|
ThemeColorStatusTextBlock.Text = Lf("settings.color.theme_applied_format", "{0} color applied: {1}.", sourceLabel, _selectedThemeColor);
|
|
UpdateAdaptiveTextSystem();
|
|
PersistSettings();
|
|
}
|
|
|
|
private void UpdateThemeColorSelectionState()
|
|
{
|
|
UpdateColorSelectionVisuals(GetRecommendedColorTargets());
|
|
UpdateColorSelectionVisuals(GetMonetColorTargets());
|
|
}
|
|
|
|
private void UpdateColorSelectionVisuals(IReadOnlyList<(Button Button, Border Swatch)> targets)
|
|
{
|
|
foreach (var (button, swatch) in targets)
|
|
{
|
|
var isSelected = TryGetButtonColor(button, out var color) && AreSameColor(color, _selectedThemeColor);
|
|
button.Classes.Set("swatch-button", true);
|
|
button.Classes.Set("swatch-selected", isSelected);
|
|
swatch.BorderThickness = new Thickness(0);
|
|
swatch.Opacity = isSelected ? 1 : 0.9;
|
|
}
|
|
}
|
|
|
|
private static bool TryGetButtonColor(Button? button, out Color color)
|
|
{
|
|
color = default;
|
|
if (button?.Tag is not string colorText || string.IsNullOrWhiteSpace(colorText))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
try
|
|
{
|
|
color = Color.Parse(colorText);
|
|
return true;
|
|
}
|
|
catch
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
private static bool ContainsColor(IReadOnlyList<Color> colors, Color target)
|
|
{
|
|
for (var i = 0; i < colors.Count; i++)
|
|
{
|
|
if (AreSameColor(colors[i], target))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
private static bool AreSameColor(Color left, Color right)
|
|
{
|
|
return left.R == right.R && left.G == right.G && left.B == right.B;
|
|
}
|
|
|
|
private void UpdateAdaptiveTextSystem()
|
|
{
|
|
var context = new ThemeColorContext(_selectedThemeColor, !_isNightMode, !_isNightMode, _isNightMode);
|
|
ThemeColorSystemService.ApplyThemeResources(Resources, context);
|
|
GlassEffectService.ApplyGlassResources(Resources, context);
|
|
if (_fluentAvaloniaTheme is not null)
|
|
{
|
|
_fluentAvaloniaTheme.CustomAccentColor = _selectedThemeColor;
|
|
}
|
|
}
|
|
|
|
private double CalculateCurrentBackgroundLuminance()
|
|
{
|
|
if (_wallpaperMediaType == WallpaperMediaType.Video)
|
|
{
|
|
return CalculateRelativeLuminance(Color.Parse("#FF0B1220"));
|
|
}
|
|
|
|
if (_wallpaperBitmap is not null)
|
|
{
|
|
return CalculateBitmapAverageLuminance(_wallpaperBitmap);
|
|
}
|
|
|
|
return CalculateBrushLuminance(DesktopWallpaperLayer.Background ?? _defaultDesktopBackground);
|
|
}
|
|
|
|
private static double CalculateBrushLuminance(IBrush? brush)
|
|
{
|
|
if (brush is ISolidColorBrush solidBrush)
|
|
{
|
|
return CalculateRelativeLuminance(solidBrush.Color);
|
|
}
|
|
|
|
return CalculateRelativeLuminance(Color.Parse("#FF020617"));
|
|
}
|
|
|
|
private static double CalculateBitmapAverageLuminance(Bitmap bitmap)
|
|
{
|
|
try
|
|
{
|
|
var sampleWidth = Math.Clamp(bitmap.PixelSize.Width, 1, 48);
|
|
var sampleHeight = Math.Clamp(bitmap.PixelSize.Height, 1, 48);
|
|
using var scaledBitmap = bitmap.CreateScaledBitmap(new PixelSize(sampleWidth, sampleHeight), BitmapInterpolationMode.MediumQuality);
|
|
using var writeable = new WriteableBitmap(scaledBitmap.PixelSize, new Vector(96, 96), PixelFormat.Bgra8888, AlphaFormat.Premul);
|
|
using var framebuffer = writeable.Lock();
|
|
scaledBitmap.CopyPixels(framebuffer, AlphaFormat.Premul);
|
|
|
|
var rowBytes = framebuffer.RowBytes;
|
|
var byteCount = rowBytes * framebuffer.Size.Height;
|
|
if (byteCount <= 0 || framebuffer.Address == IntPtr.Zero)
|
|
{
|
|
return CalculateRelativeLuminance(Color.Parse("#FF020617"));
|
|
}
|
|
|
|
var pixelBuffer = new byte[byteCount];
|
|
Marshal.Copy(framebuffer.Address, pixelBuffer, 0, byteCount);
|
|
|
|
double luminanceSum = 0;
|
|
var pixelCount = 0;
|
|
for (var y = 0; y < framebuffer.Size.Height; y++)
|
|
{
|
|
var rowOffset = y * rowBytes;
|
|
for (var x = 0; x < framebuffer.Size.Width; x++)
|
|
{
|
|
var index = rowOffset + (x * 4);
|
|
var alpha = pixelBuffer[index + 3] / 255d;
|
|
if (alpha <= 0.01)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
var blue = Math.Clamp((pixelBuffer[index] / 255d) / alpha, 0, 1);
|
|
var green = Math.Clamp((pixelBuffer[index + 1] / 255d) / alpha, 0, 1);
|
|
var red = Math.Clamp((pixelBuffer[index + 2] / 255d) / alpha, 0, 1);
|
|
luminanceSum += CalculateRelativeLuminance(red, green, blue);
|
|
pixelCount++;
|
|
}
|
|
}
|
|
|
|
return pixelCount > 0 ? luminanceSum / pixelCount : CalculateRelativeLuminance(Color.Parse("#FF020617"));
|
|
}
|
|
catch
|
|
{
|
|
return CalculateRelativeLuminance(Color.Parse("#FF020617"));
|
|
}
|
|
}
|
|
|
|
private static double CalculateRelativeLuminance(Color color)
|
|
{
|
|
return CalculateRelativeLuminance(color.R / 255d, color.G / 255d, color.B / 255d);
|
|
}
|
|
|
|
private static double CalculateRelativeLuminance(double red, double green, double blue)
|
|
{
|
|
var linearRed = ToLinearRgb(red);
|
|
var linearGreen = ToLinearRgb(green);
|
|
var linearBlue = ToLinearRgb(blue);
|
|
return (0.2126 * linearRed) + (0.7152 * linearGreen) + (0.0722 * linearBlue);
|
|
}
|
|
|
|
private static double ToLinearRgb(double value)
|
|
{
|
|
return value <= 0.04045 ? value / 12.92 : Math.Pow((value + 0.055) / 1.055, 2.4);
|
|
}
|
|
}
|