Clipboard.cs

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using System;
using System.Threading;
using ReLogic.OS.Base;
 
namespace ReLogic.OS.Windows;
 
internal class Clipboard : ReLogic.OS.Base.Clipboard
{
    protected override string GetClipboard()
    {
        return TryToGetClipboardText();
    }
 
    protected override void SetClipboard(string text)
    {
        if (string.IsNullOrEmpty(text))
        {
            return;
        }
        try
        {
            InvokeInStaThread(delegate
            {
                NativeClipboard.SetText(text);
            });
        }
        catch
        {
            Console.WriteLine("Failed to set clipboard contents!");
        }
    }
 
    private string TryToGetClipboardText()
    {
        try
        {
            string text;
            return InvokeInStaThread(() => (!NativeClipboard.TryGetText(out text)) ? "" : text);
        }
        catch
        {
            Console.WriteLine("Failed to get clipboard contents!");
            return "";
        }
    }
 
    private static T InvokeInStaThread<T>(Func<T> callback)
    {
        if (GetApartmentStateSafely() == ApartmentState.STA)
        {
            return callback();
        }
        T result = default(T);
        Thread thread = new Thread((ThreadStart)delegate
        {
            result = callback();
        });
        thread.SetApartmentState(ApartmentState.STA);
        thread.Start();
        thread.Join();
        return result;
    }
 
    private static void InvokeInStaThread(Action callback)
    {
        if (GetApartmentStateSafely() == ApartmentState.STA)
        {
            callback();
            return;
        }
        Thread thread = new Thread((ThreadStart)delegate
        {
            callback();
        });
        thread.SetApartmentState(ApartmentState.STA);
        thread.Start();
        thread.Join();
    }
 
    private static ApartmentState GetApartmentStateSafely()
    {
        try
        {
            return Thread.CurrentThread.GetApartmentState();
        }
        catch
        {
            return ApartmentState.MTA;
        }
    }
}