// Copyright 2020-2022 The Defold Foundation
// Copyright 2014-2020 King
// Copyright 2009-2014 Ragnar Svensson, Christian Murray
// Licensed under the Defold License version 1.0 (the "License"); you may not use
// this file except in compliance with the License.
// 
// You may obtain a copy of the License, together with FAQs at
// https://www.defold.com/license
// 
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.

package com.defold.editor;

import java.util.ArrayList;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class Shutdown {
    private static Logger logger = LoggerFactory.getLogger(Start.class);
    private static ArrayList<Runnable> shutdownActions = new ArrayList<>(8);

    public static synchronized void addShutdownAction(Runnable runnable) {
        // Called from Clojure code to register shutdown callbacks.
        if (runnable == null) {
            throw new IllegalArgumentException("runnable cannot be null");
        }

        shutdownActions.add(runnable);
    }

    static synchronized void runShutdownActions() {
        // Execute shutdown actions in reverse add order.
        for (int i = shutdownActions.size() - 1; i >= 0; --i) {
            Runnable action = shutdownActions.get(i);

            try {
                action.run();
            } catch (Throwable error) {
                error.printStackTrace();
                logger.error("failed run shutdown action", error);
            }
        }

        shutdownActions.clear();
    }
}
