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/****************************************************************************
**
** Copyright (C) 2017 Ford Motor Company
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtRemoteObjects module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QREMOTEOBJECTPENDINGCALL_H
#define QREMOTEOBJECTPENDINGCALL_H
#include <QtRemoteObjects/qtremoteobjectglobal.h>
#include <QVariant>
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 QConnectedReplicaPrivate;
};
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QRemoteObjectPendingCall)
QT_BEGIN_NAMESPACE
class Q_REMOTEOBJECTS_EXPORT QRemoteObjectPendingCallWatcher: public QObject, public QRemoteObjectPendingCall
{
Q_OBJECT
public:
QRemoteObjectPendingCallWatcher(const QRemoteObjectPendingCall &call, QObject *parent = nullptr);
~QRemoteObjectPendingCallWatcher();
bool isFinished() const;
void waitForFinished();
Q_SIGNALS:
void finished(QRemoteObjectPendingCallWatcher *self);
private:
Q_DECLARE_PRIVATE(QRemoteObjectPendingCallWatcher)
Q_PRIVATE_SLOT(d_func(), void _q_finished())
};
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
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