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Revert "Fixed theme service"

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This reverts commit 2de78f520c.
This commit is contained in:
Aleh Khantsevich
2024-07-14 15:37:34 +02:00
parent 2de78f520c
commit 592e5d899e
1 changed files with 363 additions and 351 deletions
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714
Wino.Core.UWP/Services/ThemeService.cs
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@@ -7,6 +7,7 @@ using System.Runtime.InteropServices.WindowsRuntime;
using System.Threading.Tasks;
using CommunityToolkit.Mvvm.Messaging;
using Newtonsoft.Json;
using Windows.Storage;
using Windows.UI.ViewManagement;
@@ -20,8 +21,6 @@ using Wino.Core.Messages.Shell;
using Wino.Core.UWP.Extensions;
using Wino.Core.UWP.Models.Personalization;
using Wino.Core.UWP.Services;
using System.Text.Json;
using Wino.Core.WinUI.Services;
#if NET8_0
using Microsoft.UI.Xaml.Controls;
@@ -39,419 +38,432 @@ using Windows.UI.Xaml;
using Windows.UI.Xaml.Markup;
#endif
namespace Wino.Services;
/// <summary>
/// Class providing functionality around switching and restoring theme settings
/// </summary>
public class ThemeService(IConfigurationService configurationService,
IUnderlyingThemeService underlyingThemeService,
IApplicationResourceManager<ResourceDictionary> applicationResourceManager,
IAppShellService appShellService) : IThemeService
namespace Wino.Services
{
public const string CustomThemeFolderName = "CustomThemes";
private const string MicaThemeId = "a160b1b0-2ab8-4e97-a803-f4050f036e25";
private const string AcrylicThemeId = "fc08e58c-36fd-46e2-a562-26cf277f1467";
private const string CloudsThemeId = "3b621cc2-e270-4a76-8477-737917cccda0";
private const string ForestThemeId = "8bc89b37-a7c5-4049-86e2-de1ae8858dbd";
private const string NightyThemeId = "5b65e04e-fd7e-4c2d-8221-068d3e02d23a";
private const string SnowflakeThemeId = "e143ddde-2e28-4846-9d98-dad63d6505f1";
private const string GardenThemeId = "698e4466-f88c-4799-9c61-f0ea1308ed49";
private Frame _mainApplicationFrame;
public event EventHandler<ApplicationElementTheme> ElementThemeChanged;
public event EventHandler<string> AccentColorChanged;
public event EventHandler<string> AccentColorChangedBySystem;
private const string AccentColorKey = nameof(AccentColorKey);
private const string CurrentApplicationThemeKey = nameof(CurrentApplicationThemeKey);
// Custom theme
public const string CustomThemeAccentColorKey = nameof(CustomThemeAccentColorKey);
// Keep reference so it does not get optimized/garbage collected
private readonly UISettings _uiSettings = new();
private readonly IConfigurationService _configurationService = configurationService;
private readonly IUnderlyingThemeService _underlyingThemeService = underlyingThemeService;
private readonly IApplicationResourceManager<ResourceDictionary> _applicationResourceManager = applicationResourceManager;
private readonly IAppShellService _appShellService = appShellService;
private List<AppThemeBase> _preDefinedThemes{ get; } =
[
new SystemAppTheme("Mica", Guid.Parse(MicaThemeId)),
new SystemAppTheme("Acrylic", Guid.Parse(AcrylicThemeId)),
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),
];
/// <summary>
/// Gets or sets (with LocalSettings persistence) the RequestedTheme of the root element.
/// Class providing functionality around switching and restoring theme settings
/// </summary>
public ApplicationElementTheme RootTheme
public class ThemeService : IThemeService
{
get => (_mainApplicationFrame?.RequestedTheme.ToWinoElementTheme()) ?? ApplicationElementTheme.Default;
set
public const string CustomThemeFolderName = "CustomThemes";
private static string _micaThemeId = "a160b1b0-2ab8-4e97-a803-f4050f036e25";
private static string _acrylicThemeId = "fc08e58c-36fd-46e2-a562-26cf277f1467";
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";
private Frame mainApplicationFrame = null;
public event EventHandler<ApplicationElementTheme> ElementThemeChanged;
public event EventHandler<string> AccentColorChanged;
public event EventHandler<string> AccentColorChangedBySystem;
private const string AccentColorKey = nameof(AccentColorKey);
private const string CurrentApplicationThemeKey = nameof(CurrentApplicationThemeKey);
// 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 List<AppThemeBase> preDefinedThemes { get; set; } = new List<AppThemeBase>()
{
if (_mainApplicationFrame == null)
return;
new SystemAppTheme("Mica", Guid.Parse(_micaThemeId)),
new SystemAppTheme("Acrylic", Guid.Parse(_acrylicThemeId)),
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),
};
_mainApplicationFrame.RequestedTheme = value.ToWindowsElementTheme();
_configurationService.Set(UnderlyingThemeService.SelectedAppThemeKey, value);
UpdateSystemCaptionButtonColors();
// PopupRoot usually needs to react to changes.
NotifyThemeUpdate();
public ThemeService(IConfigurationService configurationService,
IUnderlyingThemeService underlyingThemeService,
IApplicationResourceManager<ResourceDictionary> applicationResourceManager)
{
_configurationService = configurationService;
_underlyingThemeService = underlyingThemeService;
_applicationResourceManager = applicationResourceManager;
}
}
private Guid currentApplicationThemeId;
public Guid CurrentApplicationThemeId
{
get => currentApplicationThemeId;
set
/// <summary>
/// Gets or sets (with LocalSettings persistence) the RequestedTheme of the root element.
/// </summary>
public ApplicationElementTheme RootTheme
{
currentApplicationThemeId = value;
_configurationService.Set(CurrentApplicationThemeKey, value);
_ = _mainApplicationFrame.DispatcherQueue.TryEnqueue(Microsoft.UI.Dispatching.DispatcherQueuePriority.High, async () => await ApplyCustomThemeAsync(false));
}
}
private string accentColor;
public string AccentColor
{
get => accentColor;
set
{
accentColor = value;
UpdateAccentColor(value);
_configurationService.Set(AccentColorKey, value);
AccentColorChanged?.Invoke(this, value);
}
}
public async Task InitializeAsync()
{
// Already initialized. There is no need.
if (_mainApplicationFrame != null)
return;
// Save reference as this might be null when the user is in another app
#if NET8_0
_mainApplicationFrame = _appShellService.AppWindow.Content as Frame;
#else
mainApplicationFrame = Window.Current.Content as Frame;
#endif
if (_mainApplicationFrame == null) return;
RootTheme = _configurationService.Get(UnderlyingThemeService.SelectedAppThemeKey, ApplicationElementTheme.Default);
AccentColor = _configurationService.Get(AccentColorKey, string.Empty);
// Set the current theme id. Default to Mica.
var applicationThemeGuid = _configurationService.Get(CurrentApplicationThemeKey, MicaThemeId);
currentApplicationThemeId = Guid.Parse(applicationThemeGuid);
await ApplyCustomThemeAsync(true);
// Registering to color changes, thus we notice when user changes theme system wide
_uiSettings.ColorValuesChanged += UISettingsColorChanged;
}
private void NotifyThemeUpdate()
{
if (_mainApplicationFrame == null) return;
_ = _mainApplicationFrame.DispatcherQueue.TryEnqueue(Microsoft.UI.Dispatching.DispatcherQueuePriority.High, () =>
{
ElementThemeChanged?.Invoke(this, RootTheme);
WeakReferenceMessenger.Default.Send(new ApplicationThemeChanged(_underlyingThemeService.IsUnderlyingThemeDark()));
});
}
private void UISettingsColorChanged(UISettings sender, object args)
{
// Make sure we have a reference to our window so we dispatch a UI change
if (_mainApplicationFrame != null)
{
// Dispatch on UI thread so that we have a current appbar to access and change
_ = _mainApplicationFrame.DispatcherQueue.TryEnqueue(Microsoft.UI.Dispatching.DispatcherQueuePriority.High, () =>
get
{
if (mainApplicationFrame == null) return ApplicationElementTheme.Default;
return mainApplicationFrame.RequestedTheme.ToWinoElementTheme();
}
set
{
if (mainApplicationFrame == null)
return;
mainApplicationFrame.RequestedTheme = value.ToWindowsElementTheme();
_configurationService.Set(UnderlyingThemeService.SelectedAppThemeKey, value);
UpdateSystemCaptionButtonColors();
var accentColor = sender.GetColorValue(UIColorType.Accent);
//AccentColorChangedBySystem?.Invoke(this, accentColor.ToHex());
// PopupRoot usually needs to react to changes.
NotifyThemeUpdate();
}
}
private Guid currentApplicationThemeId;
public Guid CurrentApplicationThemeId
{
get { return currentApplicationThemeId; }
set
{
currentApplicationThemeId = value;
_configurationService.Set(CurrentApplicationThemeKey, value);
_ = mainApplicationFrame.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.High, async () =>
{
await ApplyCustomThemeAsync(false);
});
}
}
private string accentColor;
public string AccentColor
{
get { return accentColor; }
set
{
accentColor = value;
UpdateAccentColor(value);
_configurationService.Set(AccentColorKey, value);
AccentColorChanged?.Invoke(this, value);
}
}
public async Task InitializeAsync()
{
// Already initialized. There is no need.
if (mainApplicationFrame != null)
return;
// Save reference as this might be null when the user is in another app
#if NET8_0
// WinUI
#else
mainApplicationFrame = Window.Current.Content as Frame;
#endif
if (mainApplicationFrame == null) return;
RootTheme = _configurationService.Get(UnderlyingThemeService.SelectedAppThemeKey, ApplicationElementTheme.Default);
AccentColor = _configurationService.Get(AccentColorKey, string.Empty);
// Set the current theme id. Default to Mica.
var applicationThemeGuid = _configurationService.Get(CurrentApplicationThemeKey, _micaThemeId);
currentApplicationThemeId = Guid.Parse(applicationThemeGuid);
await ApplyCustomThemeAsync(true);
// Registering to color changes, thus we notice when user changes theme system wide
uiSettings.ColorValuesChanged += UISettingsColorChanged;
}
private void NotifyThemeUpdate()
{
if (mainApplicationFrame == null || mainApplicationFrame.Dispatcher == null) return;
_ = mainApplicationFrame.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.High, () =>
{
ElementThemeChanged?.Invoke(this, RootTheme);
WeakReferenceMessenger.Default.Send(new ApplicationThemeChanged(_underlyingThemeService.IsUnderlyingThemeDark()));
});
}
NotifyThemeUpdate();
}
public void UpdateSystemCaptionButtonColors()
{
if (_mainApplicationFrame == null) return;
_ = _mainApplicationFrame.DispatcherQueue.TryEnqueue(Microsoft.UI.Dispatching.DispatcherQueuePriority.Normal, () =>
private void UISettingsColorChanged(UISettings sender, object args)
{
ApplicationViewTitleBar titleBar = null;
try
// Make sure we have a reference to our window so we dispatch a UI change
if (mainApplicationFrame != null)
{
// TODO: Should be removed after migration to native titlebar.
titleBar = ApplicationView.GetForCurrentView().TitleBar;
}
catch { }
// Dispatch on UI thread so that we have a current appbar to access and change
if (titleBar == null) return;
_ = mainApplicationFrame.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.High, () =>
{
UpdateSystemCaptionButtonColors();
if (_underlyingThemeService.IsUnderlyingThemeDark())
{
titleBar.ButtonForegroundColor = Colors.White;
var accentColor = sender.GetColorValue(UIColorType.Accent);
//AccentColorChangedBySystem?.Invoke(this, accentColor.ToHex());
});
}
else
{
titleBar.ButtonForegroundColor = Colors.Black;
}
});
}
public void UpdateAccentColor(string hex)
{
// Change accent color if specified.
if (!string.IsNullOrEmpty(hex))
NotifyThemeUpdate();
}
public void UpdateSystemCaptionButtonColors()
{
if (mainApplicationFrame == null) return;
_ = mainApplicationFrame.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
ApplicationViewTitleBar titleBar = ApplicationView.GetForCurrentView().TitleBar;
if (titleBar == null) return;
if (_underlyingThemeService.IsUnderlyingThemeDark())
{
titleBar.ButtonForegroundColor = Colors.White;
}
else
{
titleBar.ButtonForegroundColor = Colors.Black;
}
});
}
public void UpdateAccentColor(string hex)
{
// Change accent color if specified.
if (!string.IsNullOrEmpty(hex))
{
#if NET8_0
var brush = new SolidColorBrush(hex.ToColor());
var brush = new SolidColorBrush(CommunityToolkit.WinUI.Helpers.ColorHelper.ToColor(hex));
#else
var brush = new SolidColorBrush(Microsoft.Toolkit.Uwp.Helpers.ColorHelper.ToColor(hex));
#endif
if (_applicationResourceManager.ContainsResourceKey("SystemAccentColor"))
_applicationResourceManager.ReplaceResource("SystemAccentColor", brush);
if (_applicationResourceManager.ContainsResourceKey("SystemAccentColor"))
_applicationResourceManager.ReplaceResource("SystemAccentColor", brush);
if (_applicationResourceManager.ContainsResourceKey("NavigationViewSelectionIndicatorForeground"))
_applicationResourceManager.ReplaceResource("NavigationViewSelectionIndicatorForeground", brush);
if (_applicationResourceManager.ContainsResourceKey("NavigationViewSelectionIndicatorForeground"))
_applicationResourceManager.ReplaceResource("NavigationViewSelectionIndicatorForeground", brush);
RefreshThemeResource();
}
}
private void RefreshThemeResource()
{
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)
{
AppThemeBase applyingTheme = null;
List<AppThemeBase> controlThemeList = [.. _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.
// Fallback to Mica if nothing found.
var customThemes = await GetCurrentCustomThemesAsync();
controlThemeList.AddRange(customThemes.Select(a => new CustomAppTheme(a)));
applyingTheme = controlThemeList.Find(a => a.Id == currentApplicationThemeId) ?? _preDefinedThemes.First(a => a.Id == Guid.Parse(MicaThemeId));
RefreshThemeResource();
}
}
try
private void RefreshThemeResource()
{
var existingThemeDictionary = _applicationResourceManager.GetLastResource();
if (mainApplicationFrame == null) return;
if (existingThemeDictionary == null || !existingThemeDictionary.TryGetValue("ThemeName", out object themeNameString)) return;
var themeName = themeNameString.ToString();
// Applying different theme.
if (themeName != applyingTheme.ThemeName)
if (mainApplicationFrame.RequestedTheme == ElementTheme.Dark)
{
var resourceDictionaryContent = await applyingTheme.GetThemeResourceDictionaryContentAsync();
var resourceDictionary = XamlReader.Load(resourceDictionaryContent) as ResourceDictionary;
// Custom themes require special attention for background image because
// they share the same base theme resource dictionary.
if (applyingTheme is CustomAppTheme)
{
resourceDictionary["ThemeBackgroundImage"] = $"ms-appdata:///local/{CustomThemeFolderName}/{applyingTheme.Id}.jpg";
}
_applicationResourceManager.RemoveResource(existingThemeDictionary);
_applicationResourceManager.AddResource(resourceDictionary);
bool isSystemTheme = applyingTheme is SystemAppTheme || applyingTheme is CustomAppTheme;
if (isSystemTheme)
{
// For system themes, set the RootElement theme from saved values.
// Potential bug: When we set it to system default, theme is not applied when system and
// app element theme is different :)
RootTheme = _configurationService.Get(UnderlyingThemeService.SelectedAppThemeKey, ApplicationElementTheme.Default);
// Quickly switch theme to apply theme resource changes.
RefreshThemeResource();
}
else
{
RootTheme = applyingTheme.ForceElementTheme;
}
// Theme has accent color. Override.
if (!isInitializing)
{
AccentColor = applyingTheme.AccentColor;
}
mainApplicationFrame.RequestedTheme = ElementTheme.Light;
mainApplicationFrame.RequestedTheme = ElementTheme.Dark;
}
else if (mainApplicationFrame.RequestedTheme == ElementTheme.Light)
{
mainApplicationFrame.RequestedTheme = ElementTheme.Dark;
mainApplicationFrame.RequestedTheme = ElementTheme.Light;
}
else
{
UpdateSystemCaptionButtonColors();
var isUnderlyingDark = _underlyingThemeService.IsUnderlyingThemeDark();
mainApplicationFrame.RequestedTheme = isUnderlyingDark ? ElementTheme.Light : ElementTheme.Dark;
mainApplicationFrame.RequestedTheme = ElementTheme.Default;
}
}
catch (Exception ex)
public async Task ApplyCustomThemeAsync(bool isInitializing)
{
Debug.WriteLine($"Apply theme failed -> {ex.Message}");
}
}
AppThemeBase applyingTheme = null;
public async Task<List<AppThemeBase>> GetAvailableThemesAsync()
{
List<AppThemeBase> availableThemes = [.. _preDefinedThemes];
var controlThemeList = new List<AppThemeBase>(preDefinedThemes);
var customThemes = await GetCurrentCustomThemesAsync();
// 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.
availableThemes.AddRange(customThemes.Select(a => new CustomAppTheme(a)));
bool isApplyingPreDefinedTheme = preDefinedThemes.Exists(a => a.Id == currentApplicationThemeId);
return availableThemes;
}
if (isApplyingPreDefinedTheme)
{
applyingTheme = preDefinedThemes.Find(a => a.Id == currentApplicationThemeId);
}
else
{
// User applied custom theme. Load custom themes and find it there.
// Fallback to Mica if nothing found.
public async Task<CustomThemeMetadata> CreateNewCustomThemeAsync(string themeName, string accentColor, byte[] wallpaperData)
{
if (wallpaperData == null || wallpaperData.Length == 0)
throw new CustomThemeCreationFailedException(Translator.Exception_CustomThemeMissingWallpaper);
var customThemes = await GetCurrentCustomThemesAsync();
if (string.IsNullOrEmpty(themeName))
throw new CustomThemeCreationFailedException(Translator.Exception_CustomThemeMissingName);
controlThemeList.AddRange(customThemes.Select(a => new CustomAppTheme(a)));
var themes = await GetCurrentCustomThemesAsync();
applyingTheme = controlThemeList.Find(a => a.Id == currentApplicationThemeId) ?? preDefinedThemes.First(a => a.Id == Guid.Parse(_micaThemeId));
}
if (themes.Exists(a => a.Name == themeName))
throw new CustomThemeCreationFailedException(Translator.Exception_CustomThemeExists);
try
{
var existingThemeDictionary = _applicationResourceManager.GetLastResource();
var newTheme = new CustomThemeMetadata()
{
Id = Guid.NewGuid(),
Name = themeName,
AccentColorHex = accentColor
};
if (existingThemeDictionary != null && existingThemeDictionary.TryGetValue("ThemeName", out object themeNameString))
{
var themeName = themeNameString.ToString();
// Save wallpaper.
// Filename would be the same as metadata id, in jpg format.
// Applying different theme.
if (themeName != applyingTheme.ThemeName)
{
var resourceDictionaryContent = await applyingTheme.GetThemeResourceDictionaryContentAsync();
var themeFolder = await ApplicationData.Current.LocalFolder.CreateFolderAsync(CustomThemeFolderName, CreationCollisionOption.OpenIfExists);
var resourceDictionary = XamlReader.Load(resourceDictionaryContent) as ResourceDictionary;
var wallpaperFile = await themeFolder.CreateFileAsync($"{newTheme.Id}.jpg", CreationCollisionOption.ReplaceExisting);
await FileIO.WriteBytesAsync(wallpaperFile, wallpaperData);
// Custom themes require special attention for background image because
// they share the same base theme resource dictionary.
// Generate thumbnail for settings page.
if (applyingTheme is CustomAppTheme)
{
resourceDictionary["ThemeBackgroundImage"] = $"ms-appdata:///local/{CustomThemeFolderName}/{applyingTheme.Id}.jpg";
}
var thumbnail = await wallpaperFile.GetThumbnailAsync(Windows.Storage.FileProperties.ThumbnailMode.PicturesView);
var thumbnailFile = await themeFolder.CreateFileAsync($"{newTheme.Id}_preview.jpg", CreationCollisionOption.ReplaceExisting);
_applicationResourceManager.RemoveResource(existingThemeDictionary);
_applicationResourceManager.AddResource(resourceDictionary);
await using (var readerStream = thumbnail.AsStreamForRead())
{
byte[] bytes = new byte[readerStream.Length];
bool isSystemTheme = applyingTheme is SystemAppTheme || applyingTheme is CustomAppTheme;
await readerStream.ReadAsync(bytes);
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 buffer = bytes.AsBuffer();
var savedElement = _configurationService.Get(UnderlyingThemeService.SelectedAppThemeKey, ApplicationElementTheme.Default);
RootTheme = savedElement;
await FileIO.WriteBufferAsync(thumbnailFile, buffer);
// 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($"Apply theme failed -> {ex.Message}");
}
}
// Save metadata.
var metadataFile = await themeFolder.CreateFileAsync($"{newTheme.Id}.json", CreationCollisionOption.ReplaceExisting);
var serialized = JsonSerializer.Serialize(newTheme);
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)
public async Task<List<AppThemeBase>> GetAvailableThemesAsync()
{
var metadata = await GetCustomMetadataAsync(theme).ConfigureAwait(false);
var availableThemes = new List<AppThemeBase>(preDefinedThemes);
if (metadata == null) continue;
var customThemes = await GetCurrentCustomThemesAsync();
results.Add(metadata);
availableThemes.AddRange(customThemes.Select(a => new CustomAppTheme(a)));
return availableThemes;
}
return results;
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.ReadAsync(bytes, 0, bytes.Length);
var buffer = bytes.AsBuffer();
await FileIO.WriteBufferAsync(thumbnailFile, buffer);
}
// Save metadata.
var metadataFile = await themeFolder.CreateFileAsync($"{newTheme.Id}.json", CreationCollisionOption.ReplaceExisting);
var serialized = JsonConvert.SerializeObject(newTheme);
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 JsonConvert.DeserializeObject<CustomThemeMetadata>(fileContent);
}
public string GetSystemAccentColorHex()
=> uiSettings.GetColorValue(UIColorType.Accent).ToHex();
}
private static async Task<CustomThemeMetadata> GetCustomMetadataAsync(IStorageFile file)
{
var fileContent = await FileIO.ReadTextAsync(file);
return JsonSerializer.Deserialize<CustomThemeMetadata>(fileContent);
}
public string GetSystemAccentColorHex()
=> _uiSettings.GetColorValue(UIColorType.Accent).ToHex();
}