100 lines
2.4 KiB
C++
100 lines
2.4 KiB
C++
// Copyright (C) 2017 Ford Motor Company
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
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#ifndef QREMOTEOBJECTPENDINGCALL_H
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#define QREMOTEOBJECTPENDINGCALL_H
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#include <QtRemoteObjects/qtremoteobjectglobal.h>
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#include <QtCore/qvariant.h>
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QT_BEGIN_NAMESPACE
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class QRemoteObjectPendingCallWatcherPrivate;
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class QRemoteObjectPendingCallData;
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class Q_REMOTEOBJECTS_EXPORT QRemoteObjectPendingCall
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{
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public:
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enum Error {
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NoError,
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InvalidMessage
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};
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QRemoteObjectPendingCall();
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QRemoteObjectPendingCall(const QRemoteObjectPendingCall &other);
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~QRemoteObjectPendingCall();
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QRemoteObjectPendingCall &operator=(const QRemoteObjectPendingCall &other);
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QVariant returnValue() const;
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QRemoteObjectPendingCall::Error error() const;
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bool isFinished() const;
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bool waitForFinished(int timeout = 30000);
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static QRemoteObjectPendingCall fromCompletedCall(const QVariant &returnValue);
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protected:
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QRemoteObjectPendingCall(QRemoteObjectPendingCallData *dd);
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/// Shared data, note: might be null
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QExplicitlySharedDataPointer<QRemoteObjectPendingCallData> d;
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private:
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friend class QConnectedReplicaImplementation;
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};
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QT_END_NAMESPACE
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QT_DECL_METATYPE_EXTERN(QRemoteObjectPendingCall, Q_REMOTEOBJECTS_EXPORT)
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QT_BEGIN_NAMESPACE
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class Q_REMOTEOBJECTS_EXPORT QRemoteObjectPendingCallWatcher: public QObject, public QRemoteObjectPendingCall
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{
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Q_OBJECT
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public:
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QRemoteObjectPendingCallWatcher(const QRemoteObjectPendingCall &call, QObject *parent = nullptr);
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~QRemoteObjectPendingCallWatcher() override;
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bool isFinished() const;
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void waitForFinished();
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Q_SIGNALS:
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void finished(QRemoteObjectPendingCallWatcher *self);
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private:
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Q_DECLARE_PRIVATE(QRemoteObjectPendingCallWatcher)
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};
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template<typename T>
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class QRemoteObjectPendingReply : public QRemoteObjectPendingCall
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{
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public:
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typedef T Type;
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QRemoteObjectPendingReply() = default;
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explicit QRemoteObjectPendingReply(const QRemoteObjectPendingCall &call)
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: QRemoteObjectPendingCall(call)
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{
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}
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QRemoteObjectPendingReply &operator=(const QRemoteObjectPendingCall &other)
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{
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QRemoteObjectPendingCall::operator=(other);
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return *this;
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}
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Type returnValue() const
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{
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return qvariant_cast<Type>(QRemoteObjectPendingCall::returnValue());
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}
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};
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QT_END_NAMESPACE
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#endif
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