qdbuspendingcall.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QDBUSPENDINGCALL_H
#define QDBUSPENDINGCALL_H
 
#include <QtDBus/qtdbusglobal.h>
#include <QtDBus/qdbusmessage.h>
#include <QtCore/qobject.h>
#include <QtCore/qshareddata.h>
 
#ifndef QT_NO_DBUS
 
QT_BEGIN_NAMESPACE
 
 
class QDBusConnection;
class QDBusError;
class QDBusPendingCallWatcher;
 
class QDBusPendingCallPrivate;
class Q_DBUS_EXPORT QDBusPendingCall
{
public:
    QDBusPendingCall(const QDBusPendingCall &other);
    ~QDBusPendingCall();
    QDBusPendingCall &operator=(QDBusPendingCall &&other) noexcept { swap(other); return *this; }
    QDBusPendingCall &operator=(const QDBusPendingCall &other);
 
    void swap(QDBusPendingCall &other) noexcept { d.swap(other.d); }
 
#ifndef Q_QDOC
    // pretend that they aren't here
    bool isFinished() const;
    void waitForFinished();
 
    bool isError() const;
    bool isValid() const;
    QDBusError error() const;
    QDBusMessage reply() const;
#endif
 
    static QDBusPendingCall fromError(const QDBusError &error);
    static QDBusPendingCall fromCompletedCall(const QDBusMessage &message);
 
protected:
    QExplicitlySharedDataPointer<QDBusPendingCallPrivate> d;
    friend class QDBusPendingCallPrivate;
    friend class QDBusPendingCallWatcher;
    friend class QDBusConnection;
 
    QDBusPendingCall(QDBusPendingCallPrivate *dd);
 
private:
    QDBusPendingCall();         // not defined
};
 
Q_DECLARE_SHARED(QDBusPendingCall)
 
class QDBusPendingCallWatcherPrivate;
class Q_DBUS_EXPORT QDBusPendingCallWatcher: public QObject, public QDBusPendingCall
{
    Q_OBJECT
public:
    explicit QDBusPendingCallWatcher(const QDBusPendingCall &call, QObject *parent = nullptr);
    ~QDBusPendingCallWatcher();
 
#ifdef Q_QDOC
    // trick qdoc into thinking this method is here
    bool isFinished() const;
#endif
    void waitForFinished();     // non-virtual override
 
Q_SIGNALS:
    void finished(QDBusPendingCallWatcher *self = nullptr);
 
private:
    Q_DECLARE_PRIVATE(QDBusPendingCallWatcher)
    Q_PRIVATE_SLOT(d_func(), void _q_finished())
};
 
QT_END_NAMESPACE
 
#endif // QT_NO_DBUS
#endif