ladybird/Libraries/LibWeb/IndexedDB/Internal/ConnectionQueueHandler.h

/*
 * Copyright (c) 2024, stelar7 <dudedbz@gmail.com>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <AK/HashMap.h>
#include <LibJS/Heap/Handle.h>
#include <LibWeb/DOM/EventTarget.h>
#include <LibWeb/IndexedDB/IDBRequest.h>
#include <LibWeb/StorageAPI/StorageKey.h>

namespace Web::IndexedDB {

class ConnectionQueue : public AK::Vector<JS::Handle<IDBRequest>> {
public:
    bool all_previous_requests_processed(JS::NonnullGCPtr<IDBRequest> const& request) const
    {
        for (auto const& entry : *this) {
            if (entry == request)
                return true;
            if (!entry->processed())
                return false;
        }

        return true;
    }
};

using ConnectionMap = HashMap<StorageAPI::StorageKey, HashMap<String, ConnectionQueue>>;

// https://w3c.github.io/IndexedDB/#connection-queues
class ConnectionQueueHandler {
public:
    static ConnectionQueue& for_key_and_name(StorageAPI::StorageKey& key, String& name);
    static ConnectionQueueHandler& the()
    {
        static ConnectionQueueHandler s_instance;
        return s_instance;
    }

private:
    ConnectionMap m_open_requests;
};

}