// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
// SPDX-License-Identifier: Apache-2.0

#ifndef SHAREDEVENTFILTER_P_H
#define SHAREDEVENTFILTER_P_H

//
//  W A R N I N G !!!
//  -----------------
//
// This file is not part of the QWindowKit API. It is used purely as an
// implementation detail. This header file may change from version to
// version without notice, or may even be removed.
//

#include <core/qwkglobal.h>

namespace QWK {

    class SharedEventFilter;

    class QWK_CORE_EXPORT SharedEventDispatcher {
    public:
        SharedEventDispatcher();
        virtual ~SharedEventDispatcher();

    public:
        virtual bool sharedDispatch(QObject *obj, QEvent *event);

    public:
        void installSharedEventFilter(SharedEventFilter *filter);
        void removeSharedEventFilter(SharedEventFilter *filter);

    protected:
        QList<SharedEventFilter *> m_sharedEventFilters;

        friend class SharedEventFilter;

        Q_DISABLE_COPY(SharedEventDispatcher)
    };

    class QWK_CORE_EXPORT SharedEventFilter {
    public:
        SharedEventFilter();
        virtual ~SharedEventFilter();

    public:
        virtual bool sharedEventFilter(QObject *obj, QEvent *event) = 0;

    protected:
        SharedEventDispatcher *m_sharedDispatcher;

        friend class SharedEventDispatcher;

        Q_DISABLE_COPY(SharedEventFilter)
    };

}

#endif // SHAREDEVENTFILTER_P_H
