maui-linux/Xamarin.Forms.Core/OnIdiom.cs

namespace Xamarin.Forms
{
	public class OnIdiom<T>
	{
		T _phone;
		T _tablet;
		T _desktop;
		T _tV;
		T _watch;
		T _default;
		bool _isPhoneSet;
		bool _isTabletSet;
		bool _isDesktopSet;
		bool _isTVSet;
		bool _isWatchSet;
		bool _isDefaultSet;

		public T Phone {
			get => _phone;
			set {
				_phone = value;
				_isPhoneSet = true;
			}
		}
		public T Tablet {
			get => _tablet;
			set {
				_tablet = value;
				_isTabletSet = true;
			}
		}
		public T Desktop {
			get => _desktop;
			set {
				_desktop = value;
				_isDesktopSet = true;
			}
		}
		public T TV {
			get => _tV;
			set {
				_tV = value;
				_isTVSet = true;
			}
		}
		public T Watch {
			get => _watch;
			set {
				_watch = value;
				_isWatchSet = true;
			}
		}
		public T Default {
			get => _default;
			set {
				_default = value;
				_isDefaultSet = true;
			}
		}

		public static implicit operator T(OnIdiom<T> onIdiom)
		{
			switch (Device.Idiom) {
			default:
			case TargetIdiom.Phone:
				return onIdiom._isPhoneSet ? onIdiom.Phone : (onIdiom._isDefaultSet ? onIdiom.Default : default(T));
			case TargetIdiom.Tablet:
				return onIdiom._isTabletSet ? onIdiom.Tablet : (onIdiom._isDefaultSet ? onIdiom.Default : default(T));
			case TargetIdiom.Desktop:
				return onIdiom._isDesktopSet ? onIdiom.Desktop : (onIdiom._isDefaultSet ? onIdiom.Default : default(T));
			case TargetIdiom.TV:
				return onIdiom._isTVSet ? onIdiom.TV : (onIdiom._isDefaultSet ? onIdiom.Default : default(T));
			case TargetIdiom.Watch:
				return onIdiom._isWatchSet ? onIdiom.Watch : (onIdiom._isDefaultSet ? onIdiom.Default : default(T));
			}
		}
	}
}