1 files changed, 15 insertions, 0 deletions
diff --git a/src/core/SourceInterfaces.vala b/src/core/SourceInterfaces.vala
index 91a8aca..6e0c149 100644
--- a/src/core/SourceInterfaces.vala
+++ b/src/core/SourceInterfaces.vala
@@ -42,3 +42,18 @@ public interface Indexable : DataSource {
     }
 }
 
+// Positionable DataSources provide a globally locatable point in longitude and latitude degrees
+
+public struct GpsCoords {
+    public int has_gps;
+    public double latitude;
+    public double longitude;
+    public bool equals(ref GpsCoords gps) {
+        return (has_gps == 0 && gps.has_gps == 0) || (latitude == gps.latitude && longitude == gps.longitude);
+    }
+}
+
+public interface Positionable : DataSource {
+    public abstract GpsCoords get_gps_coords();
+    public abstract void set_gps_coords(GpsCoords gps_coords);
+}