From 595d93412bffc9372fbb896f8af25716efb469db Mon Sep 17 00:00:00 2001
From: Gergely Polonkai <gergely@polonkai.eu>
Date: Thu, 10 Mar 2016 20:03:17 +0100
Subject: [PATCH] Add message handler for m.location

---
 .gitignore                       |  1 +
 src/Makefile.am                  |  1 +
 src/matrix-event-types.c         |  3 ++
 src/matrix-message-location.vala | 86 ++++++++++++++++++++++++++++++++
 4 files changed, 91 insertions(+)
 create mode 100644 src/matrix-message-location.vala

diff --git a/.gitignore b/.gitignore
index 8971915..570a7db 100644
--- a/.gitignore
+++ b/.gitignore
@@ -90,3 +90,4 @@ Makefile.in
 /src/matrix-message-image.c
 /src/matrix-message-audio.c
 /src/matrix-message-video.c
+/src/matrix-message-location.c
diff --git a/src/Makefile.am b/src/Makefile.am
index 892f4db..4c84a36 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -58,6 +58,7 @@ libmatrix_glib_0_0_la_VALA_SOURCES = \
 	matrix-message-image.vala \
 	matrix-message-audio.vala \
 	matrix-message-video.vala \
+	matrix-message-location.vala \
 	$(NULL)
 
 AM_CPPFLAGS += \
diff --git a/src/matrix-event-types.c b/src/matrix-event-types.c
index 704d7b0..3ae0327 100644
--- a/src/matrix-event-types.c
+++ b/src/matrix-event-types.c
@@ -243,6 +243,9 @@ matrix_event_types_ctor(void)
     matrix_message_register_type("m.video",
                                  MATRIX_MESSAGE_TYPE_VIDEO,
                                  NULL);
+    matrix_message_register_type("m.location",
+                                 MATRIX_MESSAGE_TYPE_LOCATION,
+                                 NULL);
 }
 
 void
diff --git a/src/matrix-message-location.vala b/src/matrix-message-location.vala
new file mode 100644
index 0000000..b5644a0
--- /dev/null
+++ b/src/matrix-message-location.vala
@@ -0,0 +1,86 @@
+/*
+ * 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 message represents a real-world location.
+ */
+public class Matrix.Message.Location : Matrix.Message.Base {
+    /**
+     * A geo URI representing this location.
+     */
+    public string? geo_uri { get; set; default = null; }
+
+    /**
+     * The URL to a thumbnail of the location being represented.
+     */
+    public string? thumbnail_url { get; set; default = null; }
+
+    /**
+     * Metadata about the location 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 root = json_data.get_object();
+        Json.Node? node;
+
+        if ((node = root.get_member("geo_uri")) != null) {
+            _geo_uri = node.get_string();
+        } else if (Config.DEBUG) {
+            warning("geo_uri is missing from a m.location message");
+        }
+
+        if ((node = root.get_member("thumbnail_url")) != null) {
+            _thumbnail_url = node.get_string();
+        }
+
+        if ((node = root.get_member("thumbnail_info")) != null) {
+            _thumbnail_info = ImageInfo();
+            _thumbnail_info.set_from_json(node);
+        }
+
+        base.from_json(json_data);
+    }
+
+    protected override void
+    to_json(Json.Node json_data)
+        throws Matrix.Error
+    {
+        if (_geo_uri == null) {
+            throw new Matrix.Error.INCOMPLETE(
+                    "Won't generate a m.location message without geo_uri");
+        }
+
+        var root = json_data.get_object();
+
+        root.set_string_member("geo_uri", _geo_uri);
+
+        if (_thumbnail_url != null) {
+            root.set_string_member("thumbnail_url", _thumbnail_url);
+        }
+
+        if (_thumbnail_info != null) {
+            root.set_member("thumbnail_info", _thumbnail_info.get_json_node());
+        }
+
+        base.to_json(json_data);
+    }
+}