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++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++ #ifndef QBINDINGSTORAGE_H
++ #define QBINDINGSTORAGE_H
++
++ #include <QtCore/qglobal.h>
++ #include <QtCore/qnamespace.h>
++
++ QT_BEGIN_NAMESPACE
++
++ template <typename Class, typename T, auto Offset, auto Setter, auto Signal, auto Getter>
++ class QObjectCompatProperty;
++ struct QPropertyDelayedNotifications;
++ class QUntypedPropertyData;
++
++ namespace QtPrivate {
++
++ class QPropertyBindingData;
++ struct BindingEvaluationState;
++ struct CompatPropertySafePoint;
++ }
++
++ struct QBindingStatus
++ {
++ QtPrivate::BindingEvaluationState *currentlyEvaluatingBinding = nullptr;
++ QtPrivate::CompatPropertySafePoint *currentCompatProperty = nullptr;
++ Qt::HANDLE threadId = nullptr;
++ QPropertyDelayedNotifications *groupUpdateData = nullptr;
++ };
++
++ namespace QtPrivate {
++ struct QBindingStatusAccessToken;
++ Q_AUTOTEST_EXPORT QBindingStatus *getBindingStatus(QBindingStatusAccessToken);
++ Q_AUTOTEST_EXPORT void setBindingStatus(QBindingStatus *, QBindingStatusAccessToken);
++ }
++
++
++ struct QBindingStorageData;
++ class Q_CORE_EXPORT QBindingStorage
++ {
++ mutable QBindingStorageData *d = nullptr;
++ QBindingStatus *bindingStatus = nullptr;
++
++ template<typename Class, typename T, auto Offset, auto Setter, auto Signal, auto Getter>
++ friend class QObjectCompatProperty;
++ friend class QObjectPrivate;
++ friend class QtPrivate::QPropertyBindingData;
++ public:
++ QBindingStorage();
++ ~QBindingStorage();
++
++ bool isEmpty() { return !d; }
++ bool isValid() const noexcept { return bindingStatus; }
++
++ const QBindingStatus *status(QtPrivate::QBindingStatusAccessToken) const;
++
++ void registerDependency(const QUntypedPropertyData *data) const
++ {
++ if (!bindingStatus || !bindingStatus->currentlyEvaluatingBinding)
++ return;
++ registerDependency_helper(data);
++ }
++ QtPrivate::QPropertyBindingData *bindingData(const QUntypedPropertyData *data) const
++ {
++ if (!d)
++ return nullptr;
++ return bindingData_helper(data);
++ }
++
++ #if QT_CORE_REMOVED_SINCE(6, 2)
++ void maybeUpdateBindingAndRegister(const QUntypedPropertyData *data) const { registerDependency(data); }
++ #endif
++
++ QtPrivate::QPropertyBindingData *bindingData(QUntypedPropertyData *data, bool create)
++ {
++ if (!d && !create)
++ return nullptr;
++ return bindingData_helper(data, create);
++ }
++ private:
++ void reinitAfterThreadMove();
++ void clear();
++ void registerDependency_helper(const QUntypedPropertyData *data) const;
++ #if QT_CORE_REMOVED_SINCE(6, 2)
++ // ### Unused, but keep for BC
++ void maybeUpdateBindingAndRegister_helper(const QUntypedPropertyData *data) const;
++ #endif
++ QtPrivate::QPropertyBindingData *bindingData_helper(const QUntypedPropertyData *data) const;
++ QtPrivate::QPropertyBindingData *bindingData_helper(QUntypedPropertyData *data, bool create);
++ };
++
++ QT_END_NAMESPACE
++
++ #endif // QBINDINGSTORAGE_H