AFunctionQueue.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2024 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
#pragma once
 
#include <AUI/Thread/AMutex.h>
#include <AUI/Common/AQueue.h>
 
class AFunctionQueue {
public:
 
 
    void operator<<(std::function<void()> function) {
        std::unique_lock lock(mLock);
        mQueue << std::move(function);
    }
 
    void process() {
        std::unique_lock l(mLock);
        while (!mQueue.empty()) {
            auto f = std::move(mQueue.front());
            mQueue.pop();
            l.unlock();
            f();
            l.lock();
        }
    }
 
    [[nodiscard]]
    bool empty() noexcept {
        std::unique_lock l(mLock);
        return mQueue.empty();
    }
 
private:
    AMutex mLock;
    AQueue<std::function<void()>> mQueue;
};