From be8910b8be01b884145caf904a84cdda05306545 Mon Sep 17 00:00:00 2001
From: Gergely Polonkai <gergely@polonkai.eu>
Date: Wed, 9 Mar 2016 08:26:53 +0000
Subject: [PATCH] Add event handler for m.call.invite

---
 .gitignore                        |   1 +
 src/Makefile.am                   |   1 +
 src/matrix-event-call-invite.vala | 103 ++++++++++++++++++++++++++++++
 src/matrix-event-types.c          |   3 +
 src/matrix-types.vala             |   5 ++
 5 files changed, 113 insertions(+)
 create mode 100644 src/matrix-event-call-invite.vala

diff --git a/.gitignore b/.gitignore
index f8036f2..6aefbc2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -75,3 +75,4 @@ Makefile.in
 /src/matrix-event-room-guest-access.c
 /src/matrix-event-room-redaction.c
 /src/matrix-event-room-third-party-invite.c
+/src/matrix-event-call-invite.c
diff --git a/src/Makefile.am b/src/Makefile.am
index 7df85f7..2ac2cbb 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -45,6 +45,7 @@ libmatrix_glib_0_0_la_VALA_SOURCES = \
 	matrix-event-room-guest-access.vala \
 	matrix-event-room-redaction.vala \
 	matrix-event-room-third-party-invite.vala \
+	matrix-event-call-invite.vala \
 	$(NULL)
 
 AM_CPPFLAGS += \
diff --git a/src/matrix-event-call-invite.vala b/src/matrix-event-call-invite.vala
new file mode 100644
index 0000000..3d7fa3b
--- /dev/null
+++ b/src/matrix-event-call-invite.vala
@@ -0,0 +1,103 @@
+/*
+ * This file is part of matrix-glib-sdk
+ *
+ * matrix-glib-sdk 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 3 of the License, or (at your option) any later version.
+ *
+ * matrix-glib-sdk 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 matrix-glib-sdk. If not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * This event is sent by the caller when they wish to establish a
+ * call.
+ */
+public class Matrix.Event.CallInvite : Matrix.Event.Room {
+    /**
+     * A unique identifer for the call.
+     */
+    public string? call_id { get; set; default = null;}
+
+    /**
+     * The type of session description.
+     */
+    public CallOfferType? offer_type { get; set; default = null; }
+    /**
+     * The SDP text of the session description.
+     */
+    public string? sdp { get; set; default = null; }
+
+    /**
+     * The version of the VoIP specification this message adheres to.
+     */
+    public int? version { get; set; default = null; }
+
+    /**
+     * The time in milliseconds that the invite is valid for. Once the
+     * invite age exceeds this value, clients should discard it. They
+     * should also no longer show the call as awaiting an answer in
+     * the UI.
+     */
+    public int? lifetime { get; set; default = null; }
+
+    protected override void
+    from_json(Json.Node json_data)
+        throws Matrix.Error
+    {
+        var content_root = json_data.get_object()
+            .get_member("content").get_object();
+        Json.Node? node;
+
+        if ((node = content_root.get_member("call_id")) != null) {            _call_id = node.get_string();
+        } else {
+            warning("content.call_id is missing from a m.call.invite event");
+        }
+
+        if ((node = content_root.get_member("offer")) != null) {
+            var offer_node = node.get_object();
+
+            if ((node = offer_node.get_member("type")) != null) {
+                CallOfferType? typ = (CallOfferType?)_g_enum_nick_to_value(
+                        typeof(CallOfferType), node.get_string());
+
+                if (typ != null) {
+                    _offer_type = typ;
+                } else {
+                    _offer_type = CallOfferType.UNKNOWN;
+                    warning("Unknown value %s in content.offer.type of a m.call.invite event",
+                            node.get_string());
+                }
+            } else {
+                warning("content.offer.type is missing from a m.call.invite event");
+            }
+
+            if ((node = offer_node.get_member("sdp")) != null) {
+                _sdp = node.get_string();
+            } else {
+                warning("content.offer.sdp is missing from a m.call.invite event");
+            }
+        }
+
+        if ((node = content_root.get_member("version")) != null) {
+            _version = (int)node.get_int();
+        } else {
+            warning("content.version is missing from a m.call.invite event");
+        }
+
+        if ((node = content_root.get_member("lifetime")) != null) {
+            _lifetime = (int)node.get_int();
+        } else {
+            warning("content.lifetime is missing from a m.call.invite event");
+        }
+
+        base.from_json(json_data);
+    }
+}
diff --git a/src/matrix-event-types.c b/src/matrix-event-types.c
index 7b31a8a..c2a9449 100644
--- a/src/matrix-event-types.c
+++ b/src/matrix-event-types.c
@@ -209,6 +209,9 @@ matrix_event_types_ctor(void)
     matrix_event_register_type("m.room.third_party_invite",
                                MATRIX_EVENT_TYPE_ROOM_THIRD_PARTY_INVITE,
                                NULL);
+    matrix_event_register_type("m.call.invite",
+                               MATRIX_EVENT_TYPE_CALL_INVITE,
+                               NULL);
 }
 
 void
diff --git a/src/matrix-types.vala b/src/matrix-types.vala
index d8f6e8c..6f19979 100644
--- a/src/matrix-types.vala
+++ b/src/matrix-types.vala
@@ -276,6 +276,11 @@ namespace Matrix {
         FORBIDDEN; /// guest users are not allowed to access the room
     }
 
+    public enum CallOfferType {
+        UNKNOWN, /// represents a value unknown to this library
+        OFFER;   /// call offer
+    }
+
     public struct ImageInfo {
         int? size;
         int? height;