qdbusintegrator_p.h

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// Copyright (C) 2016 The Qt Company Ltd.

// Copyright (C) 2016 Intel Corporation.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

//

//  W A R N I N G

//  -------------

//

// This file is not part of the public API.  This header file may

// change from version to version without notice, or even be

// removed.

//

// We mean it.

//

//

#ifndef QDBUSINTEGRATOR_P_H

#define QDBUSINTEGRATOR_P_H

#include <QtDBus/private/qtdbusglobal_p.h>

#include "qdbus_symbols_p.h"

#include "qcoreevent.h"

#include "qeventloop.h"

#include "qobject.h"

#include "private/qobject_p.h"

#include "qlist.h"

#include "qpointer.h"

#include "qsemaphore.h"

#include "qdbusconnection.h"

#include "qdbusmessage.h"

#include "qdbusconnection_p.h"

#ifndef QT_NO_DBUS

QT_BEGIN_NAMESPACE

class QDBusConnectionPrivate;

class QDBusMessage;

// Really private structs used by qdbusintegrator.cpp

// Things that aren't used by any other file

struct QDBusSlotCache

    struct Data

        int slotIdx;

        QList<QMetaType> metaTypes;

        void swap(Data &other) noexcept

            std::swap(slotIdx, other.slotIdx);

            metaTypes.swap(other.metaTypes);

};

    struct Key

        QString memberWithSignature;

        QDBusConnection::RegisterOptions flags;

        friend bool operator==(const Key &lhs, const Key &rhs) noexcept

            return lhs.memberWithSignature == rhs.memberWithSignature && lhs.flags == rhs.flags;

        friend size_t qHash(const QDBusSlotCache::Key &key, size_t seed = 0) noexcept

            return qHashMulti(seed, key.memberWithSignature, key.flags);

};

    using Hash = QHash<Key, Data>;

    Hash hash;

    void swap(QDBusSlotCache &other) noexcept { hash.swap(other.hash); }

};

Q_DECLARE_SHARED(QDBusSlotCache::Data)

Q_DECLARE_SHARED(QDBusSlotCache)

class QDBusCallDeliveryEvent: public QAbstractMetaCallEvent

public:

    QDBusCallDeliveryEvent(const QDBusConnection &c, int id, QObject *sender,

                           const QDBusMessage &msg, const QList<QMetaType> &types)

        : QAbstractMetaCallEvent(sender, -1), connection(c), message(msg), metaTypes(types), id(id)

    void placeMetaCall(QObject *object) override

        QDBusConnectionPrivate::d(connection)->deliverCall(object, message, metaTypes, id);

private:

    QDBusConnection connection; // just for refcounting

    QDBusMessage message;

    QList<QMetaType> metaTypes;

    int id;

};

class QDBusActivateObjectEvent: public QAbstractMetaCallEvent

public:

    QDBusActivateObjectEvent(const QDBusConnection &c, QObject *sender,

                             const QDBusConnectionPrivate::ObjectTreeNode &n,

                             int p, const QDBusMessage &m, QLatch *l = nullptr)

        : QAbstractMetaCallEvent(sender, -1, l), connection(c), node(n),

          pathStartPos(p), message(m), handled(false)

{ }

    ~QDBusActivateObjectEvent() override;

    void placeMetaCall(QObject *) override;

private:

    QDBusConnection connection; // just for refcounting

    QDBusConnectionPrivate::ObjectTreeNode node;

    int pathStartPos;

    QDBusMessage message;

    bool handled;

};

class QDBusSpyCallEvent : public QAbstractMetaCallEvent

public:

    typedef void (*Hook)(const QDBusMessage&);

    QDBusSpyCallEvent(QDBusConnectionPrivate *cp, const QDBusConnection &c, const QDBusMessage &msg)

        : QAbstractMetaCallEvent(cp, 0), conn(c), msg(msg)

{}

    ~QDBusSpyCallEvent() override;

    void placeMetaCall(QObject *) override;

    static inline void invokeSpyHooks(const QDBusMessage &msg);

    QDBusConnection conn;   // keeps the refcount in QDBusConnectionPrivate up

    QDBusMessage msg;

};

QT_END_NAMESPACE

QT_DECL_METATYPE_EXTERN(QDBusSlotCache, Q_DBUS_EXPORT)

#endif // QT_NO_DBUS

#endif