virtualx-engine/modules/webrtc/webrtc_peer_connection.cpp

/*************************************************************************/
/*  webrtc_peer_connection.cpp                                           */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#include "webrtc_peer_connection.h"

#ifdef JAVASCRIPT_ENABLED
#include "webrtc_peer_connection_js.h"
#else
#include "webrtc_peer_connection_extension.h"
#endif

StringName WebRTCPeerConnection::default_extension;

void WebRTCPeerConnection::set_default_extension(const StringName &p_extension) {
	default_extension = p_extension;
}

WebRTCPeerConnection *WebRTCPeerConnection::create() {
#ifdef JAVASCRIPT_ENABLED
	return memnew(WebRTCPeerConnectionJS);
#else
	if (default_extension == String()) {
		WARN_PRINT_ONCE("No default WebRTC extension configured.");
		return memnew(WebRTCPeerConnectionExtension);
	}
	Object *obj = ClassDB::instantiate(default_extension);
	return Object::cast_to<WebRTCPeerConnectionExtension>(obj);
#endif
}

void WebRTCPeerConnection::_bind_methods() {
	ClassDB::bind_method(D_METHOD("initialize", "configuration"), &WebRTCPeerConnection::initialize, DEFVAL(Dictionary()));
	ClassDB::bind_method(D_METHOD("create_data_channel", "label", "options"), &WebRTCPeerConnection::create_data_channel, DEFVAL(Dictionary()));
	ClassDB::bind_method(D_METHOD("create_offer"), &WebRTCPeerConnection::create_offer);
	ClassDB::bind_method(D_METHOD("set_local_description", "type", "sdp"), &WebRTCPeerConnection::set_local_description);
	ClassDB::bind_method(D_METHOD("set_remote_description", "type", "sdp"), &WebRTCPeerConnection::set_remote_description);
	ClassDB::bind_method(D_METHOD("add_ice_candidate", "media", "index", "name"), &WebRTCPeerConnection::add_ice_candidate);
	ClassDB::bind_method(D_METHOD("poll"), &WebRTCPeerConnection::poll);
	ClassDB::bind_method(D_METHOD("close"), &WebRTCPeerConnection::close);

	ClassDB::bind_method(D_METHOD("get_connection_state"), &WebRTCPeerConnection::get_connection_state);

	ADD_SIGNAL(MethodInfo("session_description_created", PropertyInfo(Variant::STRING, "type"), PropertyInfo(Variant::STRING, "sdp")));
	ADD_SIGNAL(MethodInfo("ice_candidate_created", PropertyInfo(Variant::STRING, "media"), PropertyInfo(Variant::INT, "index"), PropertyInfo(Variant::STRING, "name")));
	ADD_SIGNAL(MethodInfo("data_channel_received", PropertyInfo(Variant::OBJECT, "channel")));

	BIND_ENUM_CONSTANT(STATE_NEW);
	BIND_ENUM_CONSTANT(STATE_CONNECTING);
	BIND_ENUM_CONSTANT(STATE_CONNECTED);
	BIND_ENUM_CONSTANT(STATE_DISCONNECTED);
	BIND_ENUM_CONSTANT(STATE_FAILED);
	BIND_ENUM_CONSTANT(STATE_CLOSED);
}

WebRTCPeerConnection::WebRTCPeerConnection() {
}

WebRTCPeerConnection::~WebRTCPeerConnection() {
}