ShrlAlgoToolkit/WPFluent/Services/ThemeService.cs

using WPFluent.Appearance;

namespace WPFluent;

/// <summary>
/// Lets you set the app theme.
/// </summary>
public partial class ThemeService : IThemeService
{
    /// <inheritdoc/>
    public virtual ApplicationTheme GetTheme() => ApplicationThemeManager.GetAppTheme();

    /// <inheritdoc/>
    public bool SetAccent(Color accentColor)
    {
        ApplicationAccentColorManager.Apply(accentColor);

        return true;
    }

    /// <inheritdoc/>
    public bool SetAccent(SolidColorBrush accentSolidBrush)
    {
        Color color = accentSolidBrush.Color;
        color.A = (byte)Math.Round(accentSolidBrush.Opacity * byte.MaxValue);

        ApplicationAccentColorManager.Apply(color);

        return true;
    }

    /// <inheritdoc/>
    public virtual bool SetTheme(ApplicationTheme applicationTheme)
    {
        if (ApplicationThemeManager.GetAppTheme() == applicationTheme)
        {
            return false;
        }

        ApplicationThemeManager.Apply(applicationTheme);

        return true;
    }
}