Files
Wino-Mail/Wino.Mail.WinUI/Services/NewThemeService.cs
T
Burak Kaan Köse db5ecd60e4 New startup window.
2026-03-05 10:12:03 +01:00

697 lines
26 KiB
C#

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using System.Text.Json;
using System.Threading.Tasks;
using CommunityToolkit.Mvvm.Messaging;
using CommunityToolkit.WinUI;
using CommunityToolkit.WinUI.Helpers;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Markup;
using Microsoft.UI.Xaml.Media;
using Windows.Storage;
using Windows.UI;
using Windows.UI.ViewManagement;
using Wino.Core.Domain;
using Wino.Core.Domain.Enums;
using Wino.Core.Domain.Exceptions;
using Wino.Core.Domain.Interfaces;
using Wino.Core.Domain.Models;
using Wino.Core.Domain.Models.Personalization;
using Wino.Mail.WinUI;
using Wino.Mail.WinUI.Extensions;
using Wino.Mail.WinUI.Interfaces;
using Wino.Mail.WinUI.Models.Personalization;
using Wino.Mail.WinUI.Services;
using Wino.Messaging.Client.Shell;
using WinUIEx;
namespace Wino.Services;
/// <summary>
/// Next-generation theme service with enhanced WinUI support including backdrop management
/// </summary>
public class NewThemeService : INewThemeService
{
public const string CustomThemeFolderName = "CustomThemes";
private static string _defaultThemeId = "00000000-0000-0000-0000-000000000000";
private static string _cloudsThemeId = "3b621cc2-e270-4a76-8477-737917cccda0";
private static string _forestThemeId = "8bc89b37-a7c5-4049-86e2-de1ae8858dbd";
private static string _nightyThemeId = "5b65e04e-fd7e-4c2d-8221-068d3e02d23a";
private static string _snowflakeThemeId = "e143ddde-2e28-4846-9d98-dad63d6505f1";
private static string _gardenThemeId = "698e4466-f88c-4799-9c61-f0ea1308ed49";
public event EventHandler<ApplicationElementTheme>? ElementThemeChanged;
public event EventHandler<string>? AccentColorChanged;
public event EventHandler<WindowBackdropType>? BackdropChanged;
private const string AccentColorKey = nameof(AccentColorKey);
private const string CurrentApplicationThemeKey = nameof(CurrentApplicationThemeKey);
private const string WindowBackdropTypeKey = nameof(WindowBackdropTypeKey);
// Custom theme
public const string CustomThemeAccentColorKey = nameof(CustomThemeAccentColorKey);
// Keep reference so it does not get optimized/garbage collected
private readonly UISettings uiSettings = new UISettings();
private readonly IConfigurationService _configurationService;
private readonly IUnderlyingThemeService _underlyingThemeService;
private readonly IApplicationResourceManager<ResourceDictionary> _applicationResourceManager;
private readonly IWinoWindowManager _windowManager;
private List<AppThemeBase> preDefinedThemes { get; set; } = new List<AppThemeBase>()
{
new SystemAppTheme("Default", Guid.Parse(_defaultThemeId)),
new PreDefinedAppTheme("Nighty", Guid.Parse(_nightyThemeId), "#e1b12c", ApplicationElementTheme.Dark),
new PreDefinedAppTheme("Forest", Guid.Parse(_forestThemeId), "#16a085", ApplicationElementTheme.Dark),
new PreDefinedAppTheme("Clouds", Guid.Parse(_cloudsThemeId), "#0984e3", ApplicationElementTheme.Light),
new PreDefinedAppTheme("Snowflake", Guid.Parse(_snowflakeThemeId), "#4a69bd", ApplicationElementTheme.Light),
new PreDefinedAppTheme("Garden", Guid.Parse(_gardenThemeId), "#05c46b", ApplicationElementTheme.Light),
};
public NewThemeService(IConfigurationService configurationService,
IUnderlyingThemeService underlyingThemeService,
IApplicationResourceManager<ResourceDictionary> applicationResourceManager,
IWinoWindowManager windowManager)
{
_configurationService = configurationService;
_underlyingThemeService = underlyingThemeService;
_applicationResourceManager = applicationResourceManager;
_windowManager = windowManager;
}
/// <summary>
/// Gets or sets (with LocalSettings persistence) the RequestedTheme of the root element.
/// </summary>
public ApplicationElementTheme RootTheme
{
get
{
var rootContent = TryGetShellRootContent();
if (rootContent == null)
return _configurationService.Get(UnderlyingThemeService.SelectedAppThemeKey, ApplicationElementTheme.Default);
return rootContent.RequestedTheme.ToWinoElementTheme();
}
set
{
var rootContent = TryGetShellRootContent();
if (rootContent != null)
rootContent.RequestedTheme = value.ToWindowsElementTheme();
_configurationService.Set(UnderlyingThemeService.SelectedAppThemeKey, value);
UpdateSystemCaptionButtonColors();
// PopupRoot usually needs to react to changes.
NotifyThemeUpdate();
}
}
private Guid? currentApplicationThemeId;
public Guid? CurrentApplicationThemeId
{
get { return currentApplicationThemeId; }
set
{
currentApplicationThemeId = value;
_configurationService.Set(CurrentApplicationThemeKey, value);
var window = GetThemeWindow();
if (window != null)
{
window.DispatcherQueue.TryEnqueue(async () =>
{
await ApplyCustomThemeAsync(false);
});
}
}
}
private string accentColor = string.Empty;
public string AccentColor
{
get { return accentColor; }
set
{
accentColor = value;
UpdateAccentColor(value);
_configurationService.Set(AccentColorKey, value);
AccentColorChanged?.Invoke(this, value);
}
}
private WindowBackdropType currentBackdropType;
public WindowBackdropType CurrentBackdropType
{
get { return currentBackdropType; }
set
{
// Only update if the backdrop type has actually changed
if (currentBackdropType == value) return;
currentBackdropType = value;
_configurationService.Set(WindowBackdropTypeKey, (int)value);
var window = GetThemeWindow();
if (window != null)
{
window.DispatcherQueue.TryEnqueue(() =>
{
ApplyBackdrop(value);
});
}
}
}
public bool IsCustomTheme
{
get
{
// If no theme is set, it's not a custom theme
if (currentApplicationThemeId == null) return false;
// Check if current theme is not in predefined themes (all themes now are custom or predefined, no system themes)
return !preDefinedThemes.Exists(a => a.Id == currentApplicationThemeId);
}
}
public FrameworkElement GetShellRootContent()
{
var window = GetThemeWindow();
if (window is IWinoShellWindow shellWindow)
return shellWindow.GetRootContent();
if (window?.Content is FrameworkElement frameworkElement)
return frameworkElement;
throw new Exception("No root content found");
}
private bool isInitialized = false;
public async Task InitializeAsync()
{
// Already initialized. There is no need.
if (isInitialized) return;
RootTheme = _configurationService.Get(UnderlyingThemeService.SelectedAppThemeKey, ApplicationElementTheme.Default);
AccentColor = _configurationService.Get(AccentColorKey, string.Empty);
// Set the current theme id. Don't set a default for backward compatibility.
var storedThemeId = _configurationService.Get<Guid?>(CurrentApplicationThemeKey, null);
currentApplicationThemeId = storedThemeId;
// Load backdrop setting, default to Mica
currentBackdropType = (WindowBackdropType)_configurationService.Get(WindowBackdropTypeKey, (int)WindowBackdropType.Mica);
// Apply backdrop first, then theme
ApplyBackdrop(currentBackdropType);
await ApplyCustomThemeAsync(true);
// Registering to color changes, thus we notice when user changes theme system wide
// TODO: WinUI: This event seems to be very unreliable. It causes a crash when the function runs under.
//uiSettings.ColorValuesChanged -= UISettingsColorChanged;
//uiSettings.ColorValuesChanged += UISettingsColorChanged;
isInitialized = true;
}
public void ApplyBackdrop(WindowBackdropType backdropType)
{
if (GetThemeWindow() is not WindowEx windowEx)
{
Debug.WriteLine("No active WindowEx found, cannot apply backdrop");
return;
}
try
{
Microsoft.UI.Xaml.Media.SystemBackdrop? backdrop = backdropType switch
{
WindowBackdropType.Mica => new MicaBackdrop() { Kind = Microsoft.UI.Composition.SystemBackdrops.MicaKind.Base },
WindowBackdropType.MicaAlt => new MicaBackdrop() { Kind = Microsoft.UI.Composition.SystemBackdrops.MicaKind.BaseAlt },
WindowBackdropType.DesktopAcrylic => new DesktopAcrylicBackdrop(),
WindowBackdropType.AcrylicBase => new DesktopAcrylicBackdrop(), // Using DesktopAcrylic as base
WindowBackdropType.AcrylicThin => new DesktopAcrylicBackdrop(), // Using DesktopAcrylic as thin
WindowBackdropType.None => null,
_ => new MicaBackdrop() { Kind = Microsoft.UI.Composition.SystemBackdrops.MicaKind.Base }
};
if (windowEx.SystemBackdrop != backdrop)
{
windowEx.SystemBackdrop = backdrop;
BackdropChanged?.Invoke(this, backdropType);
Debug.WriteLine($"Applied backdrop: {backdropType}");
}
}
catch (Exception ex)
{
Debug.WriteLine($"Failed to apply backdrop {backdropType}: {ex.Message}");
}
}
public async Task SetAccentColorAsync(string hexColor, bool preserveTheme = true)
{
if (string.IsNullOrEmpty(hexColor))
{
// Reset to system accent color
hexColor = GetSystemAccentColorHex();
}
if (preserveTheme)
{
// Just update accent color without changing theme
AccentColor = hexColor;
}
else
{
// This might trigger theme changes
AccentColor = hexColor;
await ApplyCustomThemeAsync(false);
}
}
private void NotifyThemeUpdate()
{
if (TryGetShellRootContent() is not UIElement rootContent) return;
_ = rootContent.DispatcherQueue.EnqueueAsync(() =>
{
ElementThemeChanged?.Invoke(this, RootTheme);
WeakReferenceMessenger.Default.Send(new ApplicationThemeChanged(_underlyingThemeService.IsUnderlyingThemeDark()));
}, Microsoft.UI.Dispatching.DispatcherQueuePriority.High);
}
private void UISettingsColorChanged(UISettings sender, object args)
{
NotifyThemeUpdate();
}
public void UpdateSystemCaptionButtonColors()
{
var rootContent = TryGetShellRootContent();
if (rootContent == null) return;
rootContent.DispatcherQueue.TryEnqueue(() =>
{
if (GetThemeWindow() is not WindowEx mainWindow) return;
var titleBar = mainWindow.AppWindow.TitleBar;
if (titleBar == null) return;
// Determine if current theme is dark
bool isDarkTheme = _underlyingThemeService.IsUnderlyingThemeDark();
// Set button colors based on theme
// Normal and inactive backgrounds are transparent, but hover/pressed have subtle backgrounds
titleBar.ButtonBackgroundColor = Color.FromArgb(0, 0, 0, 0); // Transparent
titleBar.ButtonInactiveBackgroundColor = Color.FromArgb(0, 0, 0, 0); // Transparent
if (isDarkTheme)
{
// Dark theme: use light text/icons for better contrast
titleBar.ButtonForegroundColor = Color.FromArgb(255, 255, 255, 255); // White
titleBar.ButtonInactiveForegroundColor = Color.FromArgb(128, 255, 255, 255); // Semi-transparent white
titleBar.ButtonHoverForegroundColor = Color.FromArgb(255, 255, 255, 255); // White
titleBar.ButtonPressedForegroundColor = Color.FromArgb(255, 255, 255, 255); // White
// Subtle hover and pressed backgrounds for dark theme
titleBar.ButtonHoverBackgroundColor = Color.FromArgb(20, 255, 255, 255); // Very subtle white overlay
titleBar.ButtonPressedBackgroundColor = Color.FromArgb(40, 255, 255, 255); // Slightly more visible white overlay
}
else
{
// Light theme: use dark text/icons for better contrast
titleBar.ButtonForegroundColor = Color.FromArgb(255, 0, 0, 0); // Black
titleBar.ButtonInactiveForegroundColor = Color.FromArgb(128, 0, 0, 0); // Semi-transparent black
titleBar.ButtonHoverForegroundColor = Color.FromArgb(255, 0, 0, 0); // Black
titleBar.ButtonPressedForegroundColor = Color.FromArgb(255, 0, 0, 0); // Black
// Subtle hover and pressed backgrounds for light theme
titleBar.ButtonHoverBackgroundColor = Color.FromArgb(20, 0, 0, 0); // Very subtle black overlay
titleBar.ButtonPressedBackgroundColor = Color.FromArgb(40, 0, 0, 0); // Slightly more visible black overlay
}
Debug.WriteLine($"Updated title bar button colors for {(isDarkTheme ? "dark" : "light")} theme");
});
}
public void UpdateAccentColor(string hex)
{
// Change accent color if specified.
if (!string.IsNullOrEmpty(hex))
{
var color = CommunityToolkit.WinUI.Helpers.ColorHelper.ToColor(hex);
var brush = new SolidColorBrush(color);
if (_applicationResourceManager.ContainsResourceKey("SystemAccentColor"))
_applicationResourceManager.ReplaceResource("SystemAccentColor", color);
if (_applicationResourceManager.ContainsResourceKey("NavigationViewSelectionIndicatorForeground"))
_applicationResourceManager.ReplaceResource("NavigationViewSelectionIndicatorForeground", brush);
if (_applicationResourceManager.ContainsResourceKey("SystemControlBackgroundAccentBrush"))
_applicationResourceManager.ReplaceResource("SystemControlBackgroundAccentBrush", brush);
if (_applicationResourceManager.ContainsResourceKey("SystemColorControlAccentBrush"))
_applicationResourceManager.ReplaceResource("SystemColorControlAccentBrush", brush);
RefreshThemeResource();
}
}
private void RefreshThemeResource()
{
var mainApplicationFrame = TryGetShellRootContent();
if (mainApplicationFrame == null) return;
if (mainApplicationFrame.RequestedTheme == ElementTheme.Dark)
{
mainApplicationFrame.RequestedTheme = ElementTheme.Light;
mainApplicationFrame.RequestedTheme = ElementTheme.Dark;
}
else if (mainApplicationFrame.RequestedTheme == ElementTheme.Light)
{
mainApplicationFrame.RequestedTheme = ElementTheme.Dark;
mainApplicationFrame.RequestedTheme = ElementTheme.Light;
}
else
{
var isUnderlyingDark = _underlyingThemeService.IsUnderlyingThemeDark();
mainApplicationFrame.RequestedTheme = isUnderlyingDark ? ElementTheme.Light : ElementTheme.Dark;
mainApplicationFrame.RequestedTheme = ElementTheme.Default;
}
}
public async Task ApplyCustomThemeAsync(bool isInitializing)
{
// If no theme ID is set, don't apply any theme (for backward compatibility)
if (currentApplicationThemeId == null)
{
Debug.WriteLine("No theme ID set, skipping theme application");
return;
}
AppThemeBase? applyingTheme = null;
var controlThemeList = new List<AppThemeBase>(preDefinedThemes);
// Don't search for custom themes if applying theme is already in pre-defined templates.
// This is important for startup performance because we won't be loading the custom themes on launch.
bool isApplyingPreDefinedTheme = preDefinedThemes.Exists(a => a.Id == currentApplicationThemeId);
if (isApplyingPreDefinedTheme)
{
applyingTheme = preDefinedThemes.Find(a => a.Id == currentApplicationThemeId);
}
else
{
// User applied custom theme. Load custom themes and find it there.
var customThemes = await GetCurrentCustomThemesAsync();
controlThemeList.AddRange(customThemes.Select(a => new CustomAppTheme(a)));
applyingTheme = controlThemeList.Find(a => a.Id == currentApplicationThemeId);
// If theme ID is not found in available themes, don't apply any theme (backward compatibility)
if (applyingTheme == null)
{
Debug.WriteLine($"Theme with ID {currentApplicationThemeId} not found, skipping theme application");
return;
}
}
if (applyingTheme == null)
{
Debug.WriteLine($"Theme with ID {currentApplicationThemeId} not found, skipping theme application");
return;
}
try
{
var existingThemeDictionary = _applicationResourceManager.GetLastResource();
if (existingThemeDictionary != null && existingThemeDictionary.TryGetValue("ThemeName", out object? themeNameString))
{
var themeName = themeNameString?.ToString();
// Applying different theme.
if (themeName != applyingTheme.ThemeName)
{
var resourceDictionaryContent = await applyingTheme.GetThemeResourceDictionaryContentAsync();
var resourceDictionary = XamlReader.Load(resourceDictionaryContent) as ResourceDictionary;
if (resourceDictionary == null)
{
return;
}
// Custom themes require special attention for background image because
// they share the same base theme resource dictionary.
if (applyingTheme is CustomAppTheme)
{
resourceDictionary["ThemeBackgroundImage"] = $"ms-appdata:///local/{CustomThemeFolderName}/{applyingTheme.Id}.jpg";
}
_applicationResourceManager.RemoveResource(existingThemeDictionary);
_applicationResourceManager.AddResource(resourceDictionary);
bool isSystemTheme = applyingTheme is SystemAppTheme || applyingTheme is CustomAppTheme;
if (isSystemTheme)
{
// For system themes, set the RootElement theme from saved values.
// Potential bug: When we set it to system default, theme is not applied when system and
// app element theme is different :)
var savedElement = _configurationService.Get(UnderlyingThemeService.SelectedAppThemeKey, ApplicationElementTheme.Default);
RootTheme = savedElement;
// Quickly switch theme to apply theme resource changes.
RefreshThemeResource();
}
else
RootTheme = applyingTheme.ForceElementTheme;
// Theme has accent color. Override.
if (!isInitializing)
{
AccentColor = applyingTheme.AccentColor;
}
}
else
UpdateSystemCaptionButtonColors();
}
}
catch (Exception ex)
{
Debug.WriteLine($"Apply theme failed -> {ex.Message}");
}
}
public async Task<List<AppThemeBase>> GetAvailableThemesAsync()
{
var availableThemes = new List<AppThemeBase>(preDefinedThemes);
var customThemes = await GetCurrentCustomThemesAsync();
availableThemes.AddRange(customThemes.Select(a => new CustomAppTheme(a)));
return availableThemes;
}
public async Task<CustomThemeMetadata> CreateNewCustomThemeAsync(string themeName, string accentColor, byte[] wallpaperData)
{
if (wallpaperData == null || wallpaperData.Length == 0)
throw new CustomThemeCreationFailedException(Translator.Exception_CustomThemeMissingWallpaper);
if (string.IsNullOrEmpty(themeName))
throw new CustomThemeCreationFailedException(Translator.Exception_CustomThemeMissingName);
var themes = await GetCurrentCustomThemesAsync();
if (themes.Exists(a => a.Name == themeName))
throw new CustomThemeCreationFailedException(Translator.Exception_CustomThemeExists);
var newTheme = new CustomThemeMetadata()
{
Id = Guid.NewGuid(),
Name = themeName,
AccentColorHex = accentColor
};
// Save wallpaper.
// Filename would be the same as metadata id, in jpg format.
var themeFolder = await ApplicationData.Current.LocalFolder.CreateFolderAsync(CustomThemeFolderName, CreationCollisionOption.OpenIfExists);
var wallpaperFile = await themeFolder.CreateFileAsync($"{newTheme.Id}.jpg", CreationCollisionOption.ReplaceExisting);
await FileIO.WriteBytesAsync(wallpaperFile, wallpaperData);
// Generate thumbnail for settings page.
var thumbnail = await wallpaperFile.GetThumbnailAsync(Windows.Storage.FileProperties.ThumbnailMode.PicturesView);
var thumbnailFile = await themeFolder.CreateFileAsync($"{newTheme.Id}_preview.jpg", CreationCollisionOption.ReplaceExisting);
using (var readerStream = thumbnail.AsStreamForRead())
{
byte[] bytes = new byte[readerStream.Length];
await readerStream.ReadExactlyAsync(bytes);
var buffer = bytes.AsBuffer();
await FileIO.WriteBufferAsync(thumbnailFile, buffer);
}
// Save metadata.
var metadataFile = await themeFolder.CreateFileAsync($"{newTheme.Id}.json", CreationCollisionOption.ReplaceExisting);
var serialized = JsonSerializer.Serialize(newTheme, DomainModelsJsonContext.Default.CustomThemeMetadata);
await FileIO.WriteTextAsync(metadataFile, serialized);
return newTheme;
}
public async Task<List<CustomThemeMetadata>> GetCurrentCustomThemesAsync()
{
var results = new List<CustomThemeMetadata>();
var themeFolder = await ApplicationData.Current.LocalFolder.CreateFolderAsync(CustomThemeFolderName, CreationCollisionOption.OpenIfExists);
var allFiles = await themeFolder.GetFilesAsync();
var themeMetadatas = allFiles.Where(a => a.FileType == ".json");
foreach (var theme in themeMetadatas)
{
var metadata = await GetCustomMetadataAsync(theme).ConfigureAwait(false);
if (metadata == null) continue;
results.Add(metadata);
}
return results;
}
private async Task<CustomThemeMetadata?> GetCustomMetadataAsync(IStorageFile file)
{
var fileContent = await FileIO.ReadTextAsync(file);
return JsonSerializer.Deserialize(fileContent, DomainModelsJsonContext.Default.CustomThemeMetadata);
}
public string GetSystemAccentColorHex()
=> uiSettings.GetColorValue(UIColorType.Accent).ToHex();
public List<string> GetAvailableAccountColors()
{
return new List<string>()
{
"#e74c3c",
"#c0392b",
"#e53935",
"#d81b60",
// Pinks
"#e91e63",
"#ec407a",
"#ff4081",
// Purples
"#9b59b6",
"#8e44ad",
"#673ab7",
// Blues
"#3498db",
"#2980b9",
"#2196f3",
"#03a9f4",
"#00bcd4",
// Teals
"#009688",
"#1abc9c",
"#16a085",
// Greens
"#2ecc71",
"#27ae60",
"#4caf50",
"#8bc34a",
// Yellows & Oranges
"#f1c40f",
"#f39c12",
"#ff9800",
"#ff5722",
// Browns
"#795548",
"#a0522d",
// Grays
"#9e9e9e",
"#607d8b",
"#34495e",
"#2c3e50",
};
}
public List<BackdropTypeWrapper> GetAvailableBackdropTypes()
{
return new List<BackdropTypeWrapper>
{
new BackdropTypeWrapper(WindowBackdropType.None, "None"),
new BackdropTypeWrapper(WindowBackdropType.Mica, "Mica"),
new BackdropTypeWrapper(WindowBackdropType.MicaAlt, "Mica Alt"),
new BackdropTypeWrapper(WindowBackdropType.DesktopAcrylic, "Desktop Acrylic"),
new BackdropTypeWrapper(WindowBackdropType.AcrylicBase, "Acrylic Base"),
new BackdropTypeWrapper(WindowBackdropType.AcrylicThin, "Acrylic Thin")
};
}
private WindowEx? GetThemeWindow() => _windowManager.ActiveWindow ?? WinoApplication.MainWindow;
private FrameworkElement? TryGetShellRootContent()
{
var window = GetThemeWindow();
if (window == null)
return null;
if (window is IWinoShellWindow shellWindow)
return shellWindow.GetRootContent();
return window.Content as FrameworkElement;
}
public async Task ApplyThemeToActiveWindowAsync()
{
ApplyBackdrop(currentBackdropType);
RootTheme = _configurationService.Get(UnderlyingThemeService.SelectedAppThemeKey, ApplicationElementTheme.Default);
await ApplyCustomThemeAsync(false);
UpdateSystemCaptionButtonColors();
}
}