diff --git a/.gitignore b/.gitignore
index 6aefbc2..b1144f2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -76,3 +76,4 @@ Makefile.in
/src/matrix-event-room-redaction.c
/src/matrix-event-room-third-party-invite.c
/src/matrix-event-call-invite.c
+/src/matrix-event-call-candidates.c
diff --git a/src/Makefile.am b/src/Makefile.am
index 2ac2cbb..59908b8 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -46,6 +46,7 @@ libmatrix_glib_0_0_la_VALA_SOURCES = \
matrix-event-room-redaction.vala \
matrix-event-room-third-party-invite.vala \
matrix-event-call-invite.vala \
+ matrix-event-call-candidates.vala \
$(NULL)
AM_CPPFLAGS += \
diff --git a/src/matrix-event-call-candidates.vala b/src/matrix-event-call-candidates.vala
new file mode 100644
index 0000000..dd9016b
--- /dev/null
+++ b/src/matrix-event-call-candidates.vala
@@ -0,0 +1,174 @@
+/*
+ * 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
+ * .
+ */
+
+/**
+ * This event is sent by callers after sending an invite and by the
+ * callee after answering. Its purpose is to give the other party
+ * additional ICE candidates to try using to communicate.
+ */
+public class Matrix.Event.CallCandidates : Matrix.Event.Room {
+ public struct Candidate {
+ string? sdp_mid; /// The SDP media type this candidate is
+ /// intended for.
+ int? sdp_line_index; /// The index of the SDP 'm' line this
+ /// candidate is intended for.
+ string? candidate; /// The SDP 'a' line of the candidate.
+ }
+
+ /**
+ * The ID of the call this event relates to.
+ */
+ public string? call_id { get; set; default = null; }
+
+ /**
+ * The list of candidates.
+ */
+ public List? candidates {
+ get {
+ return _candidates;
+ }
+
+ set {
+ _candidates = value.copy();
+ }
+
+ default = null;
+ }
+
+ public int? version { get; set; default = null; }
+
+ private List? _candidates;
+
+ 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.candidates event");
+ }
+
+ if ((node = content_root.get_member("candidates")) != null) {
+ node.get_array().foreach_element((ary, idx, cand_node) => {
+ var cand_root = cand_node.get_object();
+ var cand = Candidate();
+
+ if ((node = cand_root.get_member("sdpMid")) != null) {
+ cand.sdp_mid = node.get_string();
+ } else {
+ warning("sdpMid is missing from a candidate of a m.call.candidates event");
+ }
+
+ if ((node = cand_root.get_member("sdpMLineIndex")) != null) {
+ cand.sdp_line_index = (int)node.get_int();
+ } else {
+ warning("sdpMLineIndex is missing from a candidate of a m.call.candidates event");
+ }
+
+ if ((node = cand_root.get_member("candidate")) != null) {
+ cand.candidate = node.get_string();
+ } else {
+ warning("candidate is missing from a candidate of a m.call.candidates event");
+ }
+
+ _candidates.prepend(cand);
+ });
+ } else {
+ warning("content.candidates is missing from a m.call.candidates event");
+ }
+
+ if ((node = content_root.get_member("version")) != null) {
+ _version = (int)node.get_int();
+ } else {
+ warning("content.version is missing from a m.call.candidates event");
+ }
+
+ base.from_json(json_data);
+ }
+
+ protected override void
+ to_json(Json.Node json_data)
+ throws Matrix.Error
+ {
+ if (_call_id == null) {
+ throw new Matrix.Error.INCOMPLETE(
+ "Won't generate a m.call.candidates event without call_id");
+ }
+
+ if (_version == null) {
+ throw new Matrix.Error.INCOMPLETE(
+ "Won't generate a m.call.candidates event without version");
+ }
+
+ if ((_candidates == null) || (_candidates.length() < 1)) {
+ throw new Matrix.Error.INCOMPLETE(
+ "Won't generate a m.call.candidates event without candidates");
+ }
+
+ var content_root = json_data.get_object()
+ .get_member("content").get_object();
+
+ content_root.set_string_member("call_id", _call_id);
+ content_root.set_int_member("version", _version);
+
+ var cands = new Json.Array();
+
+ foreach (var entry in _candidates) {
+ if (entry.sdp_mid == null) {
+ throw new Matrix.Error.INCOMPLETE(
+ "Won't generate a m.call.candidates event with a missing sdpMid for candidates");
+ }
+
+ if (entry.sdp_line_index == null) {
+ throw new Matrix.Error.INCOMPLETE(
+ "Won't generate a m.call.candidates event with a missing sdpMLineIndex for candidates");
+ }
+
+ if (entry.candidate == null) {
+ throw new Matrix.Error.INCOMPLETE(
+ "Won't generate a m.call.candidates event with a missing candidate for candidates");
+ }
+
+ var cand_obj = new Json.Object();
+ var cand_node = new Json.Node(Json.NodeType.OBJECT);
+ cand_node.set_object(cand_obj);
+
+ cand_obj.set_string_member("sdpMid", entry.sdp_mid);
+ cand_obj.set_int_member("sdpMLineIndex", entry.sdp_line_index);
+ cand_obj.set_string_member("candidate", entry.candidate);
+
+ cands.add_element(cand_node);
+ }
+
+ if (cands.get_length() < 1) {
+ throw new Matrix.Error.INCOMPLETE(
+ "Won't generate a m.call.candidates event with empty candidates list");
+ }
+
+ var cands_node = new Json.Node(Json.NodeType.ARRAY);
+ cands_node.set_array(cands);
+ content_root.set_member("candidates", cands_node);
+
+ base.to_json(json_data);
+ }
+}
diff --git a/src/matrix-event-types.c b/src/matrix-event-types.c
index c2a9449..04a65ae 100644
--- a/src/matrix-event-types.c
+++ b/src/matrix-event-types.c
@@ -212,6 +212,9 @@ matrix_event_types_ctor(void)
matrix_event_register_type("m.call.invite",
MATRIX_EVENT_TYPE_CALL_INVITE,
NULL);
+ matrix_event_register_type("m.call.candidates",
+ MATRIX_EVENT_TYPE_CALL_CANDIDATES,
+ NULL);
}
void