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/*
bindingnode.h
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2017 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Anton Kreuzkamp <anton.kreuzkamp@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#ifndef GAMMARAY_BINDINGNODE_H
#define GAMMARAY_BINDINGNODE_H
// Own
#include "gammaray_core_export.h"
#include <common/sourcelocation.h>
// Qt
#include <QVariant>
// Std
#include <memory>
#include <vector>
class MockBindingProvider;
namespace GammaRay {
class GAMMARAY_CORE_EXPORT BindingNode
{
public:
BindingNode(QObject *object, int propertyIndex, BindingNode *parent = nullptr);
bool operator==(const BindingNode &other) const;
BindingNode *parent() const;
QObject *object() const;
int propertyIndex() const;
QMetaProperty property() const;
const QString &canonicalName() const;
/**
* This function returns true, if checkForLoops() found a loop.
* It usually only returns true for one node in a binding loop.
*
* \sa isPartOfBindingLoop()
*/
bool hasFoundBindingLoop() const;
bool isPartOfBindingLoop() const;
SourceLocation sourceLocation() const;
uint depth() const;
QVariant cachedValue() const;
QVariant readValue() const;
std::vector<std::unique_ptr<BindingNode>> &dependencies();
const std::vector<std::unique_ptr<BindingNode>> &dependencies() const;
void refreshValue();
void checkForLoops();
void setParent(BindingNode *newParent);
void setSourceLocation(const SourceLocation &location);
void setCanonicalName(const QString &name);
private:
Q_DISABLE_COPY(BindingNode)
BindingNode *m_parent;
QObject *m_object;
int m_propertyIndex;
QString m_canonicalName;
QVariant m_value;
bool m_foundBindingLoop = false;
SourceLocation m_sourceLocation;
std::vector<std::unique_ptr<BindingNode>> m_dependencies;
friend class ::MockBindingProvider;
};
}
#endif // GAMMARAY_BINDINGNODE_H
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