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/**************************************************************************/
/*  signal_awaiter_utils.h                                                */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
/*                                                                        */
/* 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.                 */
/**************************************************************************/

#ifndef SIGNAL_AWAITER_UTILS_H
#define SIGNAL_AWAITER_UTILS_H

#include "core/reference.h"
#include "mono_gc_handle.h"

namespace SignalAwaiterUtils {

Error connect_signal_awaiter(Object *p_source, const String &p_signal, Object *p_target, MonoObject *p_awaiter);
}

class SignalAwaiterHandle : public MonoGCHandle {
	GDCLASS(SignalAwaiterHandle, MonoGCHandle);

	bool completed;

#ifdef DEBUG_ENABLED
	ObjectID conn_target_id;
#endif

	Variant _signal_callback(const Variant **p_args, int p_argcount, Variant::CallError &r_error);

protected:
	static void _bind_methods();

public:
	_FORCE_INLINE_ bool is_completed() { return completed; }
	_FORCE_INLINE_ void set_completed(bool p_completed) { completed = p_completed; }

#ifdef DEBUG_ENABLED
	_FORCE_INLINE_ void set_connection_target(Object *p_target) {
		conn_target_id = p_target->get_instance_id();
	}
#endif

	SignalAwaiterHandle(MonoObject *p_managed);
	~SignalAwaiterHandle();
};

#endif // SIGNAL_AWAITER_UTILS_H