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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 QREMOTEOBJECTSOURCE_P_H
#define QREMOTEOBJECTSOURCE_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 <QtCore/qlist.h>
#include <QtCore/qmetaobject.h>
#include <QtCore/qobject.h>
#include <QtCore/qpointer.h>
#include "qremoteobjectsource.h"
#include "qremoteobjectpacket_p.h"
QT_BEGIN_NAMESPACE
class QRemoteObjectSourceIo;
class QtROIoDeviceBase;
class QRemoteObjectSourceBase : public QObject
{
public:
~QRemoteObjectSourceBase() override;
void setConnections();
void resetObject(QObject *newObject);
int qt_metacall(QMetaObject::Call call, int methodId, void **a) final;
QObject *m_object, *m_adapter;
const SourceApiMap *m_api;
QVariantList m_marshalledArgs;
bool hasAdapter() const { return m_adapter; }
virtual QString name() const = 0;
virtual bool isRoot() const = 0;
QVariantList* marshalArgs(int index, void **a);
void handleMetaCall(int index, QMetaObject::Call call, void **a);
bool invoke(QMetaObject::Call c, int index, const QVariantList& args, QVariant* returnValue = nullptr);
QByteArray m_objectChecksum;
QMap<int, QPointer<QRemoteObjectSourceBase>> m_children;
struct Private {
Private(QRemoteObjectSourceIo *io, QRemoteObjectRootSource *root);
QRemoteObjectSourceIo *m_sourceIo;
QList<QtROIoDeviceBase*> m_listeners;
// Pointer to codec, not owned by Private. We can assume it is valid.
QRemoteObjectPackets::CodecBase *codec;
// Types needed during recursively sending a root to a new listener
QSet<QString> sentTypes;
bool isDynamic;
QRemoteObjectRootSource *root;
};
Private *d;
static const int qobjectPropertyOffset;
static const int qobjectMethodOffset;
protected:
explicit QRemoteObjectSourceBase(QObject *object, Private *d, const SourceApiMap *, QObject *adapter);
};
class QRemoteObjectSource : public QRemoteObjectSourceBase
{
public:
explicit QRemoteObjectSource(QObject *object, Private *d, const SourceApiMap *, QObject *adapter, const QString &parentName);
~QRemoteObjectSource() override;
bool isRoot() const override { return false; }
QString name() const override { return m_name; }
QString m_name;
};
class QRemoteObjectRootSource : public QRemoteObjectSourceBase
{
public:
explicit QRemoteObjectRootSource(QObject *object, const SourceApiMap *,
QObject *adapter, QRemoteObjectSourceIo *sourceIo);
~QRemoteObjectRootSource() override;
bool isRoot() const override { return true; }
QString name() const override { return m_name; }
void addListener(QtROIoDeviceBase *io, bool dynamic = false);
int removeListener(QtROIoDeviceBase *io, bool shouldSendRemove = false);
QString m_name;
};
class DynamicApiMap final : public SourceApiMap
{
public:
DynamicApiMap(QObject *object, const QMetaObject *metaObject, const QString &name, const QString &typeName);
~DynamicApiMap() override {}
QString name() const override { return m_name; }
QString typeName() const override { return m_typeName; }
QByteArray className() const override { return QByteArray(m_metaObject->className()); }
int enumCount() const override { return m_enumCount; }
int propertyCount() const override { return m_properties.size(); }
int signalCount() const override { return m_signals.size(); }
int methodCount() const override { return m_methods.size(); }
int sourceEnumIndex(int index) const override
{
if (index < 0 || index >= enumCount())
return -1;
return m_enumOffset + index;
}
int sourcePropertyIndex(int index) const override
{
if (index < 0 || index >= propertyCount())
return -1;
return m_properties.at(index);
}
int sourceSignalIndex(int index) const override
{
if (index < 0 || index >= signalCount())
return -1;
return m_signals.at(index);
}
int sourceMethodIndex(int index) const override
{
if (index < 0 || index >= methodCount())
return -1;
return m_methods.at(index);
}
int signalParameterCount(int index) const override { return parameterCount(m_signals.at(index)); }
int signalParameterType(int sigIndex, int paramIndex) const override { return parameterType(m_signals.at(sigIndex), paramIndex); }
const QByteArray signalSignature(int index) const override { return signature(m_signals.at(index)); }
QByteArrayList signalParameterNames(int index) const override;
int methodParameterCount(int index) const override { return parameterCount(m_methods.at(index)); }
int methodParameterType(int methodIndex, int paramIndex) const override { return parameterType(m_methods.at(methodIndex), paramIndex); }
const QByteArray methodSignature(int index) const override { return signature(m_methods.at(index)); }
QMetaMethod::MethodType methodType(int index) const override;
const QByteArray typeName(int index) const override;
QByteArrayList methodParameterNames(int index) const override;
int propertyIndexFromSignal(int index) const override
{
if (index >= 0 && index < m_propertyAssociatedWithSignal.size())
return m_properties.at(m_propertyAssociatedWithSignal.at(index));
return -1;
}
int propertyRawIndexFromSignal(int index) const override
{
if (index >= 0 && index < m_propertyAssociatedWithSignal.size())
return m_propertyAssociatedWithSignal.at(index);
return -1;
}
QByteArray objectSignature() const override { return m_objectSignature; }
bool isDynamic() const override { return true; }
int parameterCount(int objectIndex) const;
int parameterType(int objectIndex, int paramIndex) const;
const QByteArray signature(int objectIndex) const;
inline void checkCache(int objectIndex) const
{
if (objectIndex != m_cachedMetamethodIndex) {
m_cachedMetamethodIndex = objectIndex;
m_cachedMetamethod = m_metaObject->method(objectIndex);
}
}
QString m_name;
QString m_typeName;
int m_enumCount;
int m_enumOffset;
QList<int> m_properties;
QList<int> m_signals;
QList<int> m_methods;
QList<int> m_propertyAssociatedWithSignal;
const QMetaObject *m_metaObject;
mutable QMetaMethod m_cachedMetamethod;
mutable int m_cachedMetamethodIndex;
QByteArray m_objectSignature;
};
QT_END_NAMESPACE
#endif
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