using Android.Content;
using Android.Views;
using Microsoft.Maui.Controls.Platform;
using AView = Android.Views.View;
 
namespace Microsoft.Maui.Controls.Compatibility.Platform.Android
{
	[System.Obsolete]
	internal class ScrollViewContainer : ViewGroup
	{
		readonly ScrollView _parent;
		View _childView;
		bool _isDisposed;
 
		public ScrollViewContainer(ScrollView parent, Context context) : base(context)
		{
			_parent = parent;
		}
 
		public View ChildView
		{
			get { return _childView; }
			set
			{
				if (_childView == value)
					return;
 
				RemoveAllViews();
 
				_childView = value;
 
				if (_childView == null)
					return;
 
				IVisualElementRenderer renderer;
				if ((renderer = Platform.GetRenderer(_childView)) == null)
					Platform.SetRenderer(_childView, renderer = Platform.CreateRenderer(_childView, Context));
 
				if (renderer.View.Parent != null)
					renderer.View.RemoveFromParent();
 
				AddView(renderer.View);
			}
		}
 
		protected override void Dispose(bool disposing)
		{
			if (_isDisposed)
				return;
 
			_isDisposed = true;
 
			if (disposing)
			{
				while (ChildCount > 0)
				{
					AView child = GetChildAt(0);
					child.RemoveFromParent();
					child.Dispose();
				}
			}
 
			base.Dispose(disposing);
		}
 
		protected override void OnLayout(bool changed, int l, int t, int r, int b)
		{
			if (_childView == null)
				return;
 
			IVisualElementRenderer renderer = Platform.GetRenderer(_childView);
			renderer.UpdateLayout();
		}
 
		protected override void OnMeasure(int widthMeasureSpec, int heightMeasureSpec)
		{
			// we need to make sure we are big enough to be arranged at 0,0
			if (_childView != null)
			{
				SetMeasuredDimension((int)Context.ToPixels(_childView.Bounds.Right + _parent.Padding.Right), (int)Context.ToPixels(_childView.Bounds.Bottom + _parent.Padding.Bottom));
			}
			else
				SetMeasuredDimension((int)Context.ToPixels(_parent.Padding.Right), (int)Context.ToPixels(_parent.Padding.Bottom));
		}
	}
}