// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Drawing;
using Windows.Win32.System.Variant;
using Windows.Win32.UI.Accessibility;
 
namespace System.Windows.Forms;
 
public partial class ListViewItem
{
    internal sealed class ListViewItemImageAccessibleObject : AccessibleObject
    {
        private readonly ListViewItem _owningItem;
 
        public ListViewItemImageAccessibleObject(ListViewItem owner)
        {
            _owningItem = owner.OrThrowIfNull();
        }
 
        public override Rectangle Bounds
        {
            get
            {
                Rectangle imageRectangle = GetImageRectangle();
                return _owningItem.ListView!.RectangleToScreen(imageRectangle);
            }
        }
 
        public override string DefaultAction => string.Empty;
 
        internal override bool CanGetDefaultActionInternal => false;
 
        internal override IRawElementProviderFragmentRoot.Interface? FragmentRoot => _owningItem.ListView?.AccessibilityObject;
 
        public override AccessibleObject Parent => _owningItem.AccessibilityObject;
 
        private protected override bool IsInternal => true;
 
        internal override int[] RuntimeId
        {
            get
            {
                int[] id = Parent.RuntimeId;
 
                Debug.Assert(id.Length >= 4);
 
                return [id[0], id[1], id[2], id[3], GetHashCode()];
            }
        }
 
        public override int GetChildCount() => 0;
 
        internal Rectangle GetImageRectangle() => _owningItem.ListView!.GetItemRect(_owningItem.Index, ItemBoundsPortion.Icon);
 
        internal override VARIANT GetPropertyValue(UIA_PROPERTY_ID propertyID)
            => propertyID switch
            {
                UIA_PROPERTY_ID.UIA_ControlTypePropertyId => (VARIANT)(int)UIA_CONTROLTYPE_ID.UIA_ImageControlTypeId,
                UIA_PROPERTY_ID.UIA_HasKeyboardFocusPropertyId => VARIANT.False,
                UIA_PROPERTY_ID.UIA_IsKeyboardFocusablePropertyId => VARIANT.False,
                _ => base.GetPropertyValue(propertyID)
            };
 
        internal override IRawElementProviderFragment.Interface? FragmentNavigate(NavigateDirection direction)
            => direction switch
            {
                NavigateDirection.NavigateDirection_Parent => Parent,
                NavigateDirection.NavigateDirection_NextSibling => Parent.GetChild(1),
                NavigateDirection.NavigateDirection_PreviousSibling => null,
                _ => base.FragmentNavigate(direction)
            };
    }
}