78 lines
3.4 KiB
C++
78 lines
3.4 KiB
C++
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/*************************************************************************/
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/* signal_awaiter_utils.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "signal_awaiter_utils.h"
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#include "mono_gd/gd_mono_utils.h"
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namespace SignalAwaiterUtils {
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Error connect_signal_awaiter(Object *p_source, const String &p_signal, Object *p_target, MonoObject *p_awaiter) {
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ERR_FAIL_NULL_V(p_source, ERR_INVALID_DATA);
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ERR_FAIL_NULL_V(p_target, ERR_INVALID_DATA);
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uint32_t awaiter_handle = MonoGCHandle::make_strong_handle(p_awaiter);
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Ref<SignalAwaiterHandle> sa_con = memnew(SignalAwaiterHandle(awaiter_handle));
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Vector<Variant> binds;
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binds.push_back(sa_con);
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Error err = p_source->connect(p_signal, p_target, "_AwaitedSignalCallback", binds, Object::CONNECT_ONESHOT);
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if (err != OK) {
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// set it as completed to prevent it from calling the failure callback when deleted
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// the awaiter will be aware of the failure by checking the returned error
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sa_con->set_completed(true);
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}
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return err;
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}
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}
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SignalAwaiterHandle::SignalAwaiterHandle(uint32_t p_handle)
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: MonoGCHandle(p_handle) {
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}
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SignalAwaiterHandle::~SignalAwaiterHandle() {
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if (!completed) {
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GDMonoUtils::SignalAwaiter_FailureCallback thunk = CACHED_METHOD_THUNK(SignalAwaiter, FailureCallback);
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MonoObject *awaiter = get_target();
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if (awaiter) {
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MonoObject *ex = NULL;
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thunk(awaiter, &ex);
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if (ex) {
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mono_print_unhandled_exception(ex);
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ERR_FAIL_V();
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}
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}
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}
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}
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