Initial import

1 files changed, 78 insertions, 0 deletions

diff --git a/Xamarin.Forms.Maps/Distance.cs b/Xamarin.Forms.Maps/Distance.cs
new file mode 100644
index 00000000..7125f086
--- /dev/null
+++ b/Xamarin.Forms.Maps/Distance.cs
@@ -0,0 +1,78 @@
+using System.Diagnostics;
+
+namespace Xamarin.Forms.Maps
+{
+	public struct Distance
+	{
+		const double MetersPerMile = 1609.344;
+		const double MetersPerKilometer = 1000.0;
+
+		public Distance(double meters)
+		{
+			Meters = meters;
+		}
+
+		public double Meters { get; }
+
+		public double Miles => Meters / MetersPerMile;
+
+		public double Kilometers => Meters / MetersPerKilometer;
+
+		public static Distance FromMiles(double miles)
+		{
+			if (miles < 0)
+			{
+				Debug.WriteLine("Negative values for distance not supported");
+				miles = 0;
+			}
+			return new Distance(miles * MetersPerMile);
+		}
+
+		public static Distance FromMeters(double meters)
+		{
+			if (meters < 0)
+			{
+				Debug.WriteLine("Negative values for distance not supported");
+				meters = 0;
+			}
+			return new Distance(meters);
+		}
+
+		public static Distance FromKilometers(double kilometers)
+		{
+			if (kilometers < 0)
+			{
+				Debug.WriteLine("Negative values for distance not supported");
+				kilometers = 0;
+			}
+			return new Distance(kilometers * MetersPerKilometer);
+		}
+
+		public bool Equals(Distance other)
+		{
+			return Meters.Equals(other.Meters);
+		}
+
+		public override bool Equals(object obj)
+		{
+			if (ReferenceEquals(null, obj))
+				return false;
+			return obj is Distance && Equals((Distance)obj);
+		}
+
+		public override int GetHashCode()
+		{
+			return Meters.GetHashCode();
+		}
+
+		public static bool operator ==(Distance left, Distance right)
+		{
+			return left.Equals(right);
+		}
+
+		public static bool operator !=(Distance left, Distance right)
+		{
+			return !left.Equals(right);
+		}
+	}
+}
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