Create the MatrixRoomMessageEvent type

Currently it only handles msgtype and body; more complex types like
documents or images are to be implemented soon.

.gitignore

@@ -71,3 +71,4 @@ Makefile.in
 /src/matrix-room-event.c
 /src/matrix-room-member-event.c
 /src/matrix-state-event.c
+/src/matrix-room-message-event.c

src/Makefile.am

@@ -27,6 +27,7 @@ libmatrix_glib_0_0_la_VALA_SOURCES = \
 	matrix-state-event.vala \
 	matrix-room-event.vala \
 	matrix-room-member-event.vala \
+	matrix-room-message-event.vala \
 	$(NULL)
 
 AM_CPPFLAGS += \

src/matrix-event-types.c

@@ -158,6 +158,9 @@ matrix_event_types_ctor(void)
     matrix_event_register_type("m.presence",
                                MATRIX_TYPE_PRESENCE_EVENT,
                                NULL);
+    matrix_event_register_type("m.room.message",
+                               MATRIX_TYPE_ROOM_MESSAGE_EVENT,
+                               NULL);
 }
 
 void

src/matrix-room-message-event.vala

@@ -0,0 +1,53 @@
+/*
+ * 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/>.
+ */
+
+public class Matrix.RoomMessageEvent : Matrix.RoomEvent {
+    public string msg_type { get; set; }
+    public string body { get; set; }
+
+    protected override void
+    from_json(Json.Node json_data)
+        throws Matrix.Error
+    {
+        var root = json_data.get_object();
+
+        if (root.get_member("content") == null) {
+            throw new Matrix.Error.INCOMPLETE(
+                    "Message event without a content!");
+        }
+
+        var content_root = root.get_member("content").get_object();
+        Json.Node? node;
+
+        if ((node = content_root.get_member("msgtype")) == null) {
+            throw new Matrix.Error.INCOMPLETE(
+                    "Message event without a message type!");
+        }
+
+        _msg_type = node.get_string();
+
+        if ((node = content_root.get_member("body")) == null) {
+            throw new Matrix.Error.INCOMPLETE(
+                    "Message event without a body!");
+        }
+
+        _body = node.get_string();
+
+        base.from_json(json_data);
+    }
+}