Use delegates + object storage instead of listener objects

1 files changed, 40 insertions, 0 deletions

diff --git a/xmpp-vala/src/module/util.vala b/xmpp-vala/src/module/util.vala
index 7051307a..7e1bb2b3 100644
--- a/xmpp-vala/src/module/util.vala
+++ b/xmpp-vala/src/module/util.vala
@@ -18,4 +18,44 @@ namespace Xmpp {
         UUID.unparse_upper(rand, str);
         return (string) str;
     }
+
+    public class Tuple<A,B> : Object {
+        public A a { get; private set; }
+        public B b { get; private set; }
+
+        public Tuple(A a, B b) {
+            this.a = a;
+            this.b = b;
+        }
+
+        public static Tuple<A,B> create<A,B>(A a, B b) {
+            return new Tuple<A,B>(a,b);
+        }
+    }
+
+    public class Triple<A,B,C> : Tuple<A,B> {
+        public C c { get; private set; }
+
+        public Triple(A a, B b, C c) {
+            base(a, b);
+            this.c = c;
+        }
+
+        public static new Triple<A,B,C> create<A,B,C>(A a, B b, C c) {
+            return new Triple<A,B,C>(a, b, c);
+        }
+    }
+
+    public class Quadruple<A,B,C,D> : Triple<A,B,C> {
+        public D d { get; private set; }
+
+        public Quadruple(A a, B b, C c, D d) {
+            base (a, b, c);
+            this.d = d;
+        }
+
+        public static new Quadruple<A,B,C,D> create<A,B,C,D>(A a, B b, C c, D d) {
+            return new Quadruple<A,B,C,D>(a, b, c, d);
+        }
+    }
 }
\ No newline at end of file