WpfLogUiDispatcher.cs

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using System;
using System.Windows;
using System.Windows.Threading;
 
namespace Dreamine.Logging.Wpf.Services
{
    public sealed class WpfLogUiDispatcher : ILogUiDispatcher
    {
        private readonly Dispatcher _dispatcher;

        public Dispatcher Dispatcher => _dispatcher;

        public WpfLogUiDispatcher()
            : this(Application.Current?.Dispatcher ?? Dispatcher.CurrentDispatcher)
        {
        }

        public WpfLogUiDispatcher(Dispatcher dispatcher)
        {
            _dispatcher = dispatcher ?? throw new ArgumentNullException(nameof(dispatcher));
        }

        public void Invoke(Action action)
        {
            ArgumentNullException.ThrowIfNull(action);
 
            if (_dispatcher.CheckAccess())
            {
                action();
                return;
            }
 
            _dispatcher.Invoke(action);
        }

        public void BeginInvoke(Action action)
        {
            ArgumentNullException.ThrowIfNull(action);
 
            if (_dispatcher.CheckAccess())
            {
                action();
                return;
            }
 
            _dispatcher.BeginInvoke(action, DispatcherPriority.Background);
        }
    }
}