Add event handler for m.room.avatar

.gitignore

@@ -70,3 +70,4 @@ Makefile.in
 /src/matrix-event-room-canonical-alias.c
 /src/matrix-event-room-create.c
 /src/matrix-event-room-power-levels.c
+/src/matrix-event-room-avatar.c

src/Makefile.am

@@ -40,6 +40,7 @@ libmatrix_glib_0_0_la_VALA_SOURCES = \
 	matrix-event-room-canonical-alias.vala \
 	matrix-event-room-create.vala \
 	matrix-event-room-power-levels.vala \
+	matrix-event-room-avatar.vala \
 	$(NULL)
 
 AM_CPPFLAGS += \

src/matrix-event-room-avatar.vala

@@ -0,0 +1,154 @@
+/*
+ * 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.avatar event
+ *
+ * A picture that is associated with the room. This can be displayed
+ * alongside the room information.
+ */
+public class Matrix.Event.RoomAvatar : Matrix.Event.State {
+    /**
+     * The URL to the image.
+     */
+    public string? url { get; set; default = null; }
+
+    /**
+     * The URL to the thumbnail of the image.
+     */
+    public string? thumbnail_url { get; set; default = null; }
+
+    /**
+     * Metadata about the image referred to in url.
+     */
+    public ImageInfo? info { get; set; default = null; }
+
+    /**
+     * Metadata about the image referred to in thumbnail_url.
+     */
+    public ImageInfo? thumbnail_info { 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("url")) != null) {
+            _url = node.get_string();
+        } else {
+            warning("content.url is missing from a m.room.avatar event");
+        }
+
+        if ((node = content_root.get_member("thumbnail_url")) != null) {
+            _thumbnail_url = node.get_string();
+        }
+
+        if ((node = content_root.get_member("info")) != null) {
+            var info_obj = node.get_object();
+            _info = ImageInfo();
+
+            if ((node = info_obj.get_member("size")) != null) {
+                _info.size = (int)node.get_int();
+            } else {
+                warning("content.info.size is missing from a m.room.avatar event");
+            }
+
+            if ((node = info_obj.get_member("h")) != null) {
+                _info.height = (int)node.get_int();
+            } else {
+                warning("content.info.h is missing from a m.room.avatar event");
+            }
+
+            if ((node = info_obj.get_member("w")) != null) {
+                _info.width = (int)node.get_int();
+            } else {
+                warning("content.info.w is missing from a m.room.avatar event");
+            }
+
+            if ((node = info_obj.get_member("mimetype")) != null) {
+                _info.mimetype = node.get_string();
+            } else {
+                warning("content.info.mimetype is missing from a m.room.avatar event");
+            }
+        }
+
+        if ((node = content_root.get_member("thumbnail_info")) != null) {
+            var thumbnail_info_obj = node.get_object();
+            _thumbnail_info = ImageInfo();
+
+            if ((node = thumbnail_info_obj.get_member("size")) != null) {
+                _thumbnail_info.size = (int)node.get_int();
+            } else {
+                warning("content.thumbnail_info.size is missing from a m.room.avatar event");
+            }
+
+            if ((node = thumbnail_info_obj.get_member("h")) != null) {
+                _thumbnail_info.height = (int)node.get_int();
+            } else {
+                warning("content.thumbnail_info.h is missing from a m.room.avatar event");
+            }
+
+            if ((node = thumbnail_info_obj.get_member("w")) != null) {
+                _thumbnail_info.width = (int)node.get_int();
+            } else {
+                warning("content.thumbnail_info.w is missing from a m.room.avatar event");
+            }
+
+            if ((node = thumbnail_info_obj.get_member("mimetype")) != null) {
+                _thumbnail_info.mimetype = node.get_string();
+            } else {
+                warning("content.thumbnail_info.mimetype is missing from a m.room.avatar event");
+            }
+        }
+
+        base.from_json(json_data);
+    }
+
+    protected override void
+    to_json(Json.Node json_data)
+        throws Matrix.Error
+    {
+        if (_url == null) {
+            throw new Matrix.Error.INCOMPLETE(
+                    "Won't generate a m.room.avatar event without url");
+        }
+
+        var content_root = json_data.get_object()
+            .get_member("content").get_object();
+
+        content_root.set_string_member("url", _url);
+
+        if (_thumbnail_url != null) {
+            content_root.set_string_member("thumbnail_url", _thumbnail_url);
+        }
+
+        if (_info != null) {
+            content_root.set_member("info", _info.get_json_node());
+        }
+
+        if (_thumbnail_info != null) {
+            content_root.set_member("thumbnail_info",
+                                    _thumbnail_info.get_json_node());
+        }
+
+        base.to_json(json_data);
+    }
+}

src/matrix-event-types.c

@@ -194,6 +194,9 @@ matrix_event_types_ctor(void)
     matrix_event_register_type("m.room.power_levels",
                                MATRIX_EVENT_TYPE_ROOM_POWER_LEVELS,
                                NULL);
+    matrix_event_register_type("m.room.avatar",
+                               MATRIX_EVENT_TYPE_ROOM_AVATAR,
+                               NULL);
 }
 
 void