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/****************************************************************************
**
** Copyright (C) 2019 Luxoft Sweden AB
** Copyright (C) 2018 Pelagicore AG
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtIvi module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL-QTAS$
** Commercial License Usage
** Licensees holding valid commercial Qt Automotive Suite licenses may use
** this file in accordance with the commercial license agreement provided
** with the Software or, alternatively, in accordance with the terms
** contained in a written agreement between you and The Qt Company. For
** licensing terms and conditions see https://www.qt.io/terms-conditions.
** For further information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
** SPDX-License-Identifier: LGPL-3.0
**
****************************************************************************/
#ifndef QIVIPENDINGREPLY_H
#define QIVIPENDINGREPLY_H
#include <QJSValue>
#include <QObject>
#include <QSharedPointer>
#include <QVariant>
#include <QtIviCore/qtiviglobal.h>
QT_BEGIN_NAMESPACE
class QIviPendingReplyWatcherPrivate;
class Q_QTIVICORE_EXPORT QIviPendingReplyWatcher : public QObject
{
Q_OBJECT
Q_PROPERTY(QVariant value READ value NOTIFY valueChanged)
Q_PROPERTY(bool valid READ isValid CONSTANT)
Q_PROPERTY(bool resultAvailable READ isResultAvailable NOTIFY valueChanged)
Q_PROPERTY(bool success READ isSuccessful NOTIFY valueChanged)
public:
QVariant value() const;
bool isValid() const;
bool isResultAvailable() const;
bool isSuccessful() const;
Q_INVOKABLE void setSuccess(const QVariant &value);
Q_INVOKABLE void setFailed();
Q_INVOKABLE void then(const QJSValue &success, const QJSValue &failed = QJSValue());
Q_SIGNALS:
void replyFailed();
void replySuccess();
void valueChanged(const QVariant &value);
private:
explicit QIviPendingReplyWatcher(int userType);
Q_DECLARE_PRIVATE(QIviPendingReplyWatcher)
friend class QIviPendingReplyBase;
};
class Q_QTIVICORE_EXPORT QIviPendingReplyBase
{
Q_GADGET
Q_PROPERTY(QIviPendingReplyWatcher* watcher READ watcher)
Q_PROPERTY(QVariant value READ value)
Q_PROPERTY(bool valid READ isValid)
Q_PROPERTY(bool resultAvailable READ isResultAvailable)
Q_PROPERTY(bool success READ isSuccessful)
public:
explicit QIviPendingReplyBase(int userType);
QIviPendingReplyBase() = default;
QIviPendingReplyBase(const QIviPendingReplyBase & other);
~QIviPendingReplyBase() = default;
QIviPendingReplyWatcher* watcher() const;
QVariant value() const;
bool isValid() const;
bool isResultAvailable() const;
bool isSuccessful() const;
Q_INVOKABLE void then(const QJSValue &success, const QJSValue &failed = QJSValue());
Q_INVOKABLE void setSuccess(const QVariant & value);
Q_INVOKABLE void setFailed();
protected:
void setSuccessNoCheck(const QVariant & value);
QSharedPointer<QIviPendingReplyWatcher> m_watcher;
};
template <typename T> class QIviPendingReply : public QIviPendingReplyBase
{
public:
QIviPendingReply()
: QIviPendingReplyBase(qMetaTypeId<T>())
{}
void setSuccess(const T &value)
{
setSuccessNoCheck(QVariant::fromValue(value));
}
T reply() const { return m_watcher->value().template value<T>(); }
static QIviPendingReply createFailedReply()
{
QIviPendingReply<T> reply;
reply.setFailed();
return reply;
}
};
template <> class QIviPendingReply <QVariant> : public QIviPendingReplyBase
{
public:
QIviPendingReply()
: QIviPendingReplyBase(qMetaTypeId<QVariant>())
{}
void setSuccess(const QVariant &value)
{
setSuccessNoCheck(value);
}
QVariant reply() const { return m_watcher->value(); }
static QIviPendingReply createFailedReply()
{
QIviPendingReply<QVariant> reply;
reply.setFailed();
return reply;
}
};
template <> class QIviPendingReply <void> : public QIviPendingReplyBase
{
public:
QIviPendingReply()
: QIviPendingReplyBase(qMetaTypeId<void>())
{}
void setSuccess()
{
setSuccessNoCheck(QVariant());
}
void reply() const { return; }
static QIviPendingReply createFailedReply()
{
QIviPendingReply<void> reply;
reply.setFailed();
return reply;
}
};
template <typename T> void qIviRegisterPendingReplyType(const char *name = nullptr)
{
qRegisterMetaType<T>();
const char* n = name ? name : QMetaType::typeName(qMetaTypeId<T>());
const QString t_name = QStringLiteral("QIviPendingReply<") + QLatin1String(n) + QStringLiteral(">");
qRegisterMetaType<QIviPendingReplyBase>(qPrintable(t_name));
}
QT_END_NAMESPACE
#endif // QIVIPENDINGREPLY_H
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