| /**************************************************************************** |
| ** |
| ** Copyright (C) 2017 Ford Motor Company |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtRemoteObjects module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ** packaging of this file. Please review the following information to |
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| ** |
| ** 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 |
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| ****************************************************************************/ |
| |
| #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/qobject.h> |
| #include <QtCore/qmetaobject.h> |
| #include <QtCore/qvector.h> |
| #include <QtCore/qpointer.h> |
| #include "qremoteobjectsource.h" |
| #include "qremoteobjectpacket_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QRemoteObjectSourceIo; |
| class IoDeviceBase; |
| |
| 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) : m_sourceIo(io), isDynamic(false), root(root) {} |
| QRemoteObjectSourceIo *m_sourceIo; |
| QVector<IoDeviceBase*> m_listeners; |
| QRemoteObjectPackets::DataStreamPacket m_packet; |
| |
| // 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); |
| ~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(IoDeviceBase *io, bool dynamic = false); |
| int removeListener(IoDeviceBase *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)); } |
| QList<QByteArray> 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; |
| QList<QByteArray> 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; |
| QVector<int> m_properties; |
| QVector<int> m_signals; |
| QVector<int> m_methods; |
| QVector<int> m_propertyAssociatedWithSignal; |
| const QMetaObject *m_metaObject; |
| mutable QMetaMethod m_cachedMetamethod; |
| mutable int m_cachedMetamethodIndex; |
| QByteArray m_objectSignature; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |