// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System;
using System.Composition;
using System.Windows;
using System.Windows.Media;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.VisualStudio.PlatformUI;
using Microsoft.VisualStudio.Shell;
 
namespace Microsoft.VisualStudio.LanguageServices;
 
[Export(typeof(IWpfThemeService)), Shared]
internal class VSWpfThemeService : IWpfThemeService
{
    private readonly ResourceDictionary _themeDictionary = [];
 
    [ImportingConstructor]
    [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
    public VSWpfThemeService()
    {
        _themeDictionary.Source = new Uri("/Microsoft.VisualStudio.LanguageServices;component/VSThemeDictionary.xaml", UriKind.Relative);
    }
 
    public void ApplyThemeToElement(FrameworkElement frameworkElement)
    {
        frameworkElement.Resources.MergedDictionaries.Add(_themeDictionary);
    }
 
    public Color GetThemeColor(ThemeResourceKey themeResourceKey)
    {
        var color = VSColorTheme.GetThemedColor(themeResourceKey);
        return Color.FromArgb(color.A, color.R, color.G, color.B);
    }
}