activemutator.h

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// SPDX-FileCopyrightText: Copyright (C) 2017 swift Project Community / Contributors
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
 
 
#ifndef SWIFT_MISC_SHAREDSTATE_ACTIVEMUTATOR_H
#define SWIFT_MISC_SHAREDSTATE_ACTIVEMUTATOR_H
 
#include <functional>
 
#include <QFuture>
#include <QObject>
 
#include "misc/sharedstate/passivemutator.h"
#include "misc/swiftmiscexport.h"
#include "misc/variant.h"
 
namespace swift::misc::shared_state
{
    class SWIFT_MISC_EXPORT CActiveMutator final : public CPassiveMutator
    {
        Q_OBJECT
        friend QSharedPointer<CActiveMutator>;
 
        template <typename T, typename F>
        CActiveMutator(T *parent, F requestHandler)
            : CPassiveMutator(parent), m_requestHandler([=](const CVariant &param) {
                  return private_ns::invokeMethod(parent, requestHandler, param);
              })
        {}
 
    public:
        template <typename T, typename F>
        static auto create(T *parent, F requestHandler)
        {
            return QSharedPointer<CActiveMutator>::create(parent, requestHandler);
        }
 
        QFuture<CVariant> handleRequest(const CVariant &param) const;
 
        QWeakPointer<const CActiveMutator> weakRef() const
        {
            return qSharedPointerCast<const CActiveMutator>(CPassiveMutator::weakRef());
        }
 
    private:
        const std::function<QFuture<CVariant>(const CVariant &)> m_requestHandler;
    };
} // namespace swift::misc::shared_state
 
#endif // SWIFT_MISC_SHAREDSTATE_ACTIVEMUTATOR_H