[folks] Add IMable interface

[Travis Reitter <treitter src gnome org>]

commit 46eaf12bde8c7d0676e6a78cdb950d1321c6e0ca
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Fri Jul 16 13:40:39 2010 +0100

    Add IMable interface

 folks/Makefile.am |    1 +
 folks/imable.vala |   42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 0 deletions(-)
---
diff --git a/folks/Makefile.am b/folks/Makefile.am
index 1340473..d0cd276 100644
--- a/folks/Makefile.am
+++ b/folks/Makefile.am
@@ -18,6 +18,7 @@ folks_valasources = \
 	backend-store.vala \
 	favourite.vala \
 	groups.vala \
+	imable.vala \
 	individual.vala \
 	individual-aggregator.vala \
 	persona.vala \
diff --git a/folks/imable.vala b/folks/imable.vala
new file mode 100644
index 0000000..db2b28f
--- /dev/null
+++ b/folks/imable.vala
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2010 Collabora Ltd.
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ *       Philip Withnall <philip withnall collabora co uk>
+ */
+
+using GLib;
+
+/**
+ * IM addresses exposed by an object implementing { link Presence}.
+ */
+public interface Folks.IMable : Object
+{
+  /* FIXME: We have to use GenericArray<string> here rather than string[] as
+   * null-terminated arrays aren't supported as generic types yet. */
+  /**
+   * A mapping of IM protocol to an ordered list of IM addresses.
+   *
+   * Each mapping is from an arbitrary protocol identifier to a list of IM
+   * addresses on that protocol for the contact, listed in preference order.
+   * The most-preferred IM address for each protocol comes first in that
+   * protocol's list.
+   */
+  public abstract HashTable<string, GenericArray<string>> im_addresses
+    {
+      get; set;
+    }
+}