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/*************************************************************************/
/* signal_awaiter_utils.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 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 "signal_awaiter_utils.h"
#include "mono_gd/gd_mono_utils.h"
namespace SignalAwaiterUtils {
Error connect_signal_awaiter(Object *p_source, const String &p_signal, Object *p_target, MonoObject *p_awaiter) {
ERR_FAIL_NULL_V(p_source, ERR_INVALID_DATA);
ERR_FAIL_NULL_V(p_target, ERR_INVALID_DATA);
uint32_t awaiter_handle = MonoGCHandle::make_strong_handle(p_awaiter);
Ref<SignalAwaiterHandle> sa_con = memnew(SignalAwaiterHandle(awaiter_handle));
Vector<Variant> binds;
binds.push_back(sa_con);
Error err = p_source->connect(p_signal, p_target, "_AwaitedSignalCallback", binds, Object::CONNECT_ONESHOT);
if (err != OK) {
// set it as completed to prevent it from calling the failure callback when deleted
// the awaiter will be aware of the failure by checking the returned error
sa_con->set_completed(true);
}
return err;
}
}
SignalAwaiterHandle::SignalAwaiterHandle(uint32_t p_handle)
: MonoGCHandle(p_handle) {
}
SignalAwaiterHandle::~SignalAwaiterHandle() {
if (!completed) {
GDMonoUtils::SignalAwaiter_FailureCallback thunk = CACHED_METHOD_THUNK(SignalAwaiter, FailureCallback);
MonoObject *awaiter = get_target();
if (awaiter) {
MonoObject *ex = NULL;
thunk(awaiter, &ex);
if (ex) {
mono_print_unhandled_exception(ex);
ERR_FAIL_V();
}
}
}
}
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