// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Windows.Win32.System.Variant;
using Windows.Win32.UI.Accessibility;
 
namespace System.Windows.Forms;
 
public partial class ColumnHeader
{
    internal sealed class ListViewColumnHeaderAccessibleObject : AccessibleObject
    {
        private readonly ColumnHeader _owningColumnHeader;
 
        public ListViewColumnHeaderAccessibleObject(ColumnHeader columnHeader)
        {
            _owningColumnHeader = columnHeader.OrThrowIfNull();
        }
 
        public override string? Name => _owningColumnHeader.Text;
 
        private protected override bool IsInternal => true;
 
        internal override bool CanGetNameInternal => false;
 
        internal override int[] RuntimeId => [RuntimeIDFirstItem, _owningColumnHeader.GetHashCode()];
 
        internal override VARIANT GetPropertyValue(UIA_PROPERTY_ID propertyID)
            => propertyID switch
            {
                UIA_PROPERTY_ID.UIA_ControlTypePropertyId => (VARIANT)(int)UIA_CONTROLTYPE_ID.UIA_HeaderItemControlTypeId,
                _ => base.GetPropertyValue(propertyID)
            };
    }
}