Add event handler for m.room.history_visibility

.gitignore

@@ -63,3 +63,4 @@ Makefile.in
 /src/matrix-event-typing.c
 /src/matrix-event-room-aliases.c
 /src/matrix-event-receipt.c
+/src/matrix-event-room-history-visibility.c

src/Makefile.am

@@ -33,6 +33,7 @@ libmatrix_glib_0_0_la_VALA_SOURCES = \
 	matrix-event-typing.vala \
 	matrix-event-room-aliases.vala \
 	matrix-event-receipt.vala \
+	matrix-event-room-history-visibility.vala \
 	$(NULL)
 
 AM_CPPFLAGS += \

src/matrix-enums.vala

@@ -216,6 +216,14 @@ namespace Matrix {
         SENDER
     }
 
+    public enum HistoryVisibility {
+        UNKNOWN,
+        INVITED,
+        JOINED,
+        SHARE,
+        WORLD_READABLE;
+    }
+
     private int?
     _g_enum_nick_to_value(Type enum_type, string nick)
     {

src/matrix-event-room-history-visibility.vala

@@ -0,0 +1,77 @@
+/*
+ * 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/>.
+ */
+
+/**
+ * Class to hold a m.room.history_visibility event.
+ *
+ * This event controls whether a user can see the events that happened
+ * in a room from before they joined.
+ */
+public class Matrix.Event.RoomHistoryVisibility : Matrix.Event.State {
+    /**
+     * Who can see the room history.
+     */
+    public Matrix.HistoryVisibility visibility {
+        get; set;
+
+        default = Matrix.HistoryVisibility.UNKNOWN;
+    }
+
+    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("history_visibility")) != null) {
+            Matrix.HistoryVisibility? vis = (Matrix.HistoryVisibility?)_g_enum_nick_to_value(
+                    typeof(Matrix.HistoryVisibility),
+                    node.get_string());
+
+            if (vis != null) {
+                _visibility = vis;
+            } else {
+                _visibility = Matrix.HistoryVisibility.UNKNOWN;
+            }
+        }
+
+        base.from_json(json_data);
+    }
+
+    protected override void
+    to_json(Json.Node json_data)
+        throws Matrix.Error
+    {
+        var content_root = json_data.get_object()
+            .get_member("content").get_object();
+
+        if (visibility == Matrix.HistoryVisibility.UNKNOWN) {
+            throw new Matrix.Error.UNKNOWN_VALUE(
+                    "Won't send m.room.history_visibility event with unknown visibility value");
+        }
+
+        content_root.set_string_member("history_visibility",
+                                       _g_enum_value_to_nick(
+                                               typeof(Matrix.HistoryVisibility),
+                                               visibility));
+
+        base.to_json(json_data);
+    }
+}

src/matrix-event-types.c

@@ -173,6 +173,9 @@ matrix_event_types_ctor(void)
     matrix_event_register_type("m.receipt",
                                MATRIX_EVENT_TYPE_RECEIPT,
                                NULL);
+    matrix_event_register_type("m.room.history_visibility",
+                               MATRIX_EVENT_TYPE_ROOM_HISTORY_VISIBILITY,
+                               NULL);
 }
 
 void