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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
#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
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