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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 QREMOTEOBJECTREPLICA_P_H
#define QREMOTEOBJECTREPLICA_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qremoteobjectreplica.h"
#include "qremoteobjectpendingcall.h"
#include "qremoteobjectpacket_p.h"
#include <QtCore/qcompilerdetection.h>
#include <QtCore/qdatastream.h>
#include <QtCore/qpointer.h>
#include <QtCore/qtimer.h>
QT_BEGIN_NAMESPACE
class QRemoteObjectReplica;
class QRemoteObjectSource;
class QtROIoDeviceBase;
class QReplicaImplementationInterface
{
public:
virtual ~QReplicaImplementationInterface() {}
virtual const QVariant getProperty(int i) const = 0;
virtual void setProperties(QVariantList &&) = 0;
virtual void setProperty(int i, const QVariant &) = 0;
virtual bool isInitialized() const = 0;
virtual QRemoteObjectReplica::State state() const = 0;
virtual bool waitForSource(int) = 0;
virtual QRemoteObjectNode *node() const = 0;
virtual void _q_send(QMetaObject::Call call, int index, const QVariantList &args) = 0;
virtual QRemoteObjectPendingCall _q_sendWithReply(QMetaObject::Call call, int index, const QVariantList &args) = 0;
};
class QStubReplicaImplementation final : public QReplicaImplementationInterface
{
public:
explicit QStubReplicaImplementation();
~QStubReplicaImplementation() override;
const QVariant getProperty(int i) const override;
void setProperties(QVariantList &&) override;
void setProperty(int i, const QVariant &) override;
bool isInitialized() const override { return false; }
QRemoteObjectReplica::State state() const override { return QRemoteObjectReplica::State::Uninitialized;}
bool waitForSource(int) override { return false; }
QRemoteObjectNode *node() const override { return nullptr; }
void _q_send(QMetaObject::Call call, int index, const QVariantList &args) override;
QRemoteObjectPendingCall _q_sendWithReply(QMetaObject::Call call, int index, const QVariantList &args) override;
QVariantList m_propertyStorage;
};
class QRemoteObjectReplicaImplementation : public QObject, public QReplicaImplementationInterface
{
public:
explicit QRemoteObjectReplicaImplementation(const QString &name, const QMetaObject *, QRemoteObjectNode *);
~QRemoteObjectReplicaImplementation() override;
bool needsDynamicInitialization() const;
const QVariant getProperty(int i) const override = 0;
void setProperties(QVariantList &&) override = 0;
void setProperty(int i, const QVariant &) override = 0;
virtual bool isShortCircuit() const = 0;
bool isInitialized() const override { return true; }
QRemoteObjectReplica::State state() const override { return QRemoteObjectReplica::State(m_state.loadRelaxed()); }
void setState(QRemoteObjectReplica::State state);
bool waitForSource(int) override { return true; }
virtual bool waitForFinished(const QRemoteObjectPendingCall &, int) { return true; }
virtual void notifyAboutReply(int, const QVariant &) {}
virtual void configurePrivate(QRemoteObjectReplica *);
void emitInitialized();
void emitNotified();
QRemoteObjectNode *node() const override { return m_node; }
void _q_send(QMetaObject::Call call, int index, const QVariantList &args) override = 0;
QRemoteObjectPendingCall _q_sendWithReply(QMetaObject::Call call, int index, const QVariantList &args) override = 0;
//Dynamic replica functions
virtual void setDynamicMetaObject(const QMetaObject *meta);
virtual void setDynamicProperties(QVariantList &&values);
QString m_objectName;
const QMetaObject *m_metaObject;
//Dynamic Replica data
int m_numSignals;//TODO maybe here too
int m_methodOffset;
int m_signalOffset;
int m_propertyOffset;
QRemoteObjectNode *m_node;
QByteArray m_objectSignature;
QAtomicInt m_state;
};
class QConnectedReplicaImplementation final : public QRemoteObjectReplicaImplementation
{
public:
explicit QConnectedReplicaImplementation(const QString &name, const QMetaObject *, QRemoteObjectNode *);
~QConnectedReplicaImplementation() override;
const QVariant getProperty(int i) const override;
void setProperties(QVariantList &&) override;
void setProperty(int i, const QVariant &) override;
bool isShortCircuit() const final { return false; }
bool isInitialized() const override;
bool waitForSource(int timeout) override;
QList<int> childIndices() const;
void initialize(QVariantList &&values);
void configurePrivate(QRemoteObjectReplica *) override;
void requestRemoteObjectSource();
bool sendCommand();
QRemoteObjectPendingCall sendCommandWithReply(int serialId);
bool waitForFinished(const QRemoteObjectPendingCall &call, int timeout) override;
void notifyAboutReply(int ackedSerialId, const QVariant &value) override;
void setConnection(QtROIoDeviceBase *conn);
void setDisconnected();
void _q_send(QMetaObject::Call call, int index, const QVariantList &args) override;
QRemoteObjectPendingCall _q_sendWithReply(QMetaObject::Call call, int index, const QVariantList& args) override;
void setDynamicMetaObject(const QMetaObject *meta) override;
void setDynamicProperties(QVariantList &&) override;
QList<QRemoteObjectReplica *> m_parentsNeedingConnect;
QVariantList m_propertyStorage;
QList<int> m_childIndices;
QPointer<QtROIoDeviceBase> connectionToSource;
// pending call data
int m_curSerialId = 1; // 0 is reserved for heartbeat signals
QHash<int, QRemoteObjectPendingCall> m_pendingCalls;
QTimer m_heartbeatTimer;
};
class QInProcessReplicaImplementation final : public QRemoteObjectReplicaImplementation
{
public:
explicit QInProcessReplicaImplementation(const QString &name, const QMetaObject *, QRemoteObjectNode *);
~QInProcessReplicaImplementation() override;
const QVariant getProperty(int i) const override;
void setProperties(QVariantList &&) override;
void setProperty(int i, const QVariant &) override;
bool isShortCircuit() const final { return true; }
void _q_send(QMetaObject::Call call, int index, const QVariantList &args) override;
QRemoteObjectPendingCall _q_sendWithReply(QMetaObject::Call call, int index, const QVariantList& args) override;
QPointer<QRemoteObjectSourceBase> connectionToSource;
};
QT_END_NAMESPACE
#endif
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