qremoteobjectpendingcall.h

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// Copyright (C) 2017 Ford Motor Company

// 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

#ifndef QREMOTEOBJECTPENDINGCALL_H

#define QREMOTEOBJECTPENDINGCALL_H

#include <QtRemoteObjects/qtremoteobjectglobal.h>

#include <QtCore/qvariant.h>

QT_BEGIN_NAMESPACE

class QRemoteObjectPendingCallWatcherPrivate;

class QRemoteObjectPendingCallData;

class Q_REMOTEOBJECTS_EXPORT QRemoteObjectPendingCall

public:

    enum Error {

        NoError,

        InvalidMessage

};

    QRemoteObjectPendingCall();

    QRemoteObjectPendingCall(const QRemoteObjectPendingCall &other);

    ~QRemoteObjectPendingCall();

    QRemoteObjectPendingCall &operator=(const QRemoteObjectPendingCall &other);

    QVariant returnValue() const;

    QRemoteObjectPendingCall::Error error() const;

    bool isFinished() const;

    bool waitForFinished(int timeout = 30000);

    static QRemoteObjectPendingCall fromCompletedCall(const QVariant &returnValue);

protected:

    QRemoteObjectPendingCall(QRemoteObjectPendingCallData *dd);

    /// Shared data, note: might be null

    QExplicitlySharedDataPointer<QRemoteObjectPendingCallData> d;

private:

    friend class QConnectedReplicaImplementation;

};

QT_END_NAMESPACE

QT_DECL_METATYPE_EXTERN(QRemoteObjectPendingCall, Q_REMOTEOBJECTS_EXPORT)

QT_BEGIN_NAMESPACE

class Q_REMOTEOBJECTS_EXPORT QRemoteObjectPendingCallWatcher: public QObject, public QRemoteObjectPendingCall

    Q_OBJECT

public:

    QRemoteObjectPendingCallWatcher(const QRemoteObjectPendingCall &call, QObject *parent = nullptr);

    ~QRemoteObjectPendingCallWatcher() override;

    bool isFinished() const;

    void waitForFinished();

Q_SIGNALS:

    void finished(QRemoteObjectPendingCallWatcher *self);

private:

    Q_DECLARE_PRIVATE(QRemoteObjectPendingCallWatcher)

};

template<typename T>

class QRemoteObjectPendingReply : public QRemoteObjectPendingCall

public:

    typedef T Type;

    QRemoteObjectPendingReply() = default;

    explicit QRemoteObjectPendingReply(const QRemoteObjectPendingCall &call)

        : QRemoteObjectPendingCall(call)

    QRemoteObjectPendingReply &operator=(const QRemoteObjectPendingCall &other)

        QRemoteObjectPendingCall::operator=(other);

        return *this;

    Type returnValue() const

        return qvariant_cast<Type>(QRemoteObjectPendingCall::returnValue());

};

QT_END_NAMESPACE

#endif