Add StateEvent

include/events/StateEvent.h

@@ -0,0 +1,67 @@
+/*
+ * nheko Copyright (C) 2017  Konstantinos Sideris <siderisk@auth.gr>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MATRIX_STATE_EVENT_H
+#define MATRIX_STATE_EVENT_H
+
+#include <QJsonValue>
+
+#include "RoomEvent.h"
+
+template <class Content>
+class StateEvent : public RoomEvent<Content>
+{
+public:
+	inline QString stateKey() const;
+	inline Content previousContent() const;
+
+	void deserialize(const QJsonValue &data);
+
+private:
+	QString state_key_;
+	Content prev_content_;
+};
+
+template <class Content>
+inline QString StateEvent<Content>::stateKey() const
+{
+	return state_key_;
+}
+
+template <class Content>
+inline Content StateEvent<Content>::previousContent() const
+{
+	return prev_content_;
+}
+
+template <class Content>
+void StateEvent<Content>::deserialize(const QJsonValue &data)
+{
+	RoomEvent<Content>::deserialize(data);
+
+	auto object = data.toObject();
+
+	if (!object.contains("state_key"))
+		throw DeserializationException("state_key key is missing");
+
+	state_key_ = object.value("state_key").toString();
+
+	if (object.contains("prev_content"))
+		prev_content_.deserialize(object.value("prev_content"));
+}
+
+#endif  // MATRIX_STATE_EVENT_H