feat: Support for DataPackagePropertySet

src/Uno.UWP/ApplicationModel/DataTransfer/DataPackagePropertySet.cs

@@ -0,0 +1,240 @@
+#nullable enable
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Runtime.CompilerServices;
+using Windows.Storage.Streams;
+using Windows.UI;
+
+namespace Windows.ApplicationModel.DataTransfer
+{
+	/// <summary>
+	/// Defines a set of properties to use with a DataPackage object.
+	/// </summary>
+	public partial class DataPackagePropertySet : IDictionary<string, object>, IEnumerable<KeyValuePair<string, object>>
+	{
+		private readonly Dictionary<string, object> _values = new Dictionary<string, object>();
+
+		internal DataPackagePropertySet()
+		{
+		}
+
+		/// <summary>
+		/// Gets or sets the text that displays as a title for the contents of the DataPackage object.
+		/// </summary>
+		public string Title
+		{
+			get => GetValue<string?>() ?? string.Empty;
+			set => SetValue(value, false);
+		}
+
+		/// <summary>
+		/// Gets or sets a thumbnail image for the DataPackage.
+		/// </summary>
+		public IRandomAccessStreamReference? Thumbnail
+		{
+			get => GetValue<IRandomAccessStreamReference?>();
+			set => SetValue(value);
+		}
+
+		/// <summary>
+		/// Gets or sets text that describes the contents of the DataPackage.
+		/// </summary>
+		public string Description
+		{
+			get => GetValue<string?>() ?? string.Empty;
+			set => SetValue(value, false);
+		}
+
+		/// <summary>
+		/// Gets or sets the name of the app that created the DataPackage object.
+		/// </summary>
+		public string ApplicationName
+		{
+			get => GetValue<string?>() ?? string.Empty;
+			set => SetValue(value, false);
+		}
+
+		/// <summary>
+		/// Gets or sets the Uniform Resource Identifier (URI) of the app's location in the store.
+		/// </summary>
+		public Uri? ApplicationListingUri
+		{
+			get => GetValue<Uri?>();
+			set => SetValue(value);
+		}
+
+		/// <summary>
+		/// Specifies a vector object that contains the types of files stored in the DataPackage object.
+		/// </summary>
+		public IList<string> FileTypes { get; } = new List<string>();
+
+		/// <summary>
+		/// Gets or sets the source app's logo.
+		/// </summary>
+		public IRandomAccessStreamReference? Square30x30Logo
+		{
+			get => GetValue<IRandomAccessStreamReference?>();
+			set => SetValue(value);
+		}
+
+		/// <summary>
+		/// Gets or sets the package family name of the source app.
+		/// </summary>
+		public string PackageFamilyName
+		{
+			get => GetValue<string?>() ?? string.Empty;
+			set => SetValue(value, false);
+		}
+
+		/// <summary>
+		/// Gets or sets a background color for the sharing app's Square30x30Logo.
+		/// </summary>
+		public Color LogoBackgroundColor
+		{
+			get => GetValue<Color?>() ?? Colors.Black;
+			set => SetValue(value);
+		}
+
+		/// <summary>
+		/// Provides a web link to shared content that's currently displayed in the app.
+		/// </summary>
+		public Uri? ContentSourceWebLink
+		{
+			get => GetValue<Uri?>();
+			set => SetValue(value);
+		}
+
+		/// <summary>
+		/// Gets or sets the application link to the content from the source app.
+		/// </summary>
+		public Uri? ContentSourceApplicationLink
+		{
+			get => GetValue<Uri?>();
+			set => SetValue(value);
+		}
+
+		/// <summary>
+		/// Gets or sets the enterprise identity (see Enterprise data protection).
+		/// </summary>
+		public string EnterpriseId
+		{
+			get => GetValue<string?>() ?? string.Empty;
+			set => SetValue(value, false);
+		}
+
+		/// <summary>
+		/// Gets or sets the UserActivity in serialized JSON format to be shared with another app.
+		/// </summary>
+		public string ContentSourceUserActivityJson
+		{
+			get => GetValue<string?>() ?? string.Empty;
+			set => SetValue(value, false);
+		}
+
+		/// <summary>
+		/// Gets the number of items that are contained in the property set.
+		/// </summary>
+		public uint Size => (uint)_values.Count;
+
+		public void Add(string key, object value) => _values.Add(key, value);
+
+		public bool ContainsKey(string key) => _values.ContainsKey(key);
+
+		public bool Remove(string key) => _values.Remove(key);
+
+		public bool TryGetValue(string key, out object value) => _values.TryGetValue(key, out value);
+
+		public object this[string key]
+		{
+			get => _values[key];
+			set => _values[key] = value;
+		}
+
+		public ICollection<string> Keys
+		{
+			get => _values.Keys;
+			set => throw new InvalidOperationException("Setting Keys is not allowed.");
+		}
+
+		public ICollection<object> Values
+		{
+			get => _values.Values;
+			set => throw new InvalidOperationException("Setting Values is not allowed.");
+		}
+
+		public void Add(KeyValuePair<string, object> item) => _values.Add(item.Key, item.Value);
+
+		/// <summary>
+		/// Removes all items from the property set.
+		/// </summary>
+		public void Clear() => _values.Clear();
+
+		public bool Contains(KeyValuePair<string, object> item) => _values.TryGetValue(item.Key, out var value) && value == item.Value;
+
+		public void CopyTo(KeyValuePair<string, object>[] array, int arrayIndex)
+		{
+			if (array == null)
+			{
+				throw new ArgumentNullException(nameof(array));
+			}
+
+			if (arrayIndex + _values.Count > array.Length)
+			{
+				throw new ArgumentOutOfRangeException(nameof(arrayIndex));
+			}
+
+			var currentIndex = arrayIndex;
+			foreach (var item in _values)
+			{
+				array[currentIndex] = item;
+				currentIndex++;
+			}
+		}
+
+		public bool Remove(KeyValuePair<string, object> item) => _values.Remove(item.Key);
+
+		public int Count
+		{
+			get => _values.Count;
+			set => throw new InvalidOperationException("Setting Count is not allowed.");
+		}
+
+		public bool IsReadOnly
+		{
+			get => false;
+			set => throw new InvalidOperationException("Setting IsReadOnly is not allowed");
+		}
+
+		public IEnumerator<KeyValuePair<string, object>> GetEnumerator() => _values.GetEnumerator();
+
+		IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
+
+		private T GetValue<T>([CallerMemberName] string key = "")
+		{
+			if (_values.TryGetValue(key, out var value))
+			{
+				return (T)value;
+			}
+			return default!;
+		}
+
+		private void SetValue(object? value, bool allowNull = true, [CallerMemberName] string key = "")
+		{
+			if (!allowNull && value == null)
+			{
+				throw new ArgumentNullException(nameof(value));
+			}
+
+			if (value != null)
+			{
+				_values[key] = value;
+			}
+			else
+			{
+				_values.Remove(key);
+			}
+		}
+	}
+}