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** Copyright (C) 2015 The Qt Company Ltd.
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**
** This file is part of Qt Creator.
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** accordance with the commercial license agreement provided with the
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****************************************************************************/

#ifndef DESIGNERCUSTOMOBJECTDATA_H
#define DESIGNERCUSTOMOBJECTDATA_H

#include "nodeinstanceglobal.h"

#include <QHash>
#include <QObject>
#include <QVariant>

QT_BEGIN_NAMESPACE
class QQmlAbstractBinding;
class QQmlContext;
QT_END_NAMESPACE

namespace QmlDesigner {

namespace Internal {

namespace QmlPrivateGate {

class DesignerCustomObjectData
{
public:
    static void registerData(QObject *object);
    static DesignerCustomObjectData *get(QObject *object);
    static QVariant getResetValue(QObject *object, const PropertyName &propertyName);
    static void doResetProperty(QObject *object, QQmlContext *context, const PropertyName &propertyName);
    static bool hasValidResetBinding(QObject *object, const PropertyName &propertyName);
    static bool hasBindingForProperty(QObject *object, QQmlContext *context, const PropertyName &propertyName, bool *hasChanged);
    static void setPropertyBinding(QObject *object, QQmlContext *context, const PropertyName &propertyName, const QString &expression);

private:
    DesignerCustomObjectData(QObject *object);
    void populateResetHashes();
    QObject *object() const;
    QVariant getResetValue(const PropertyName &propertyName) const;
    void doResetProperty(QQmlContext *context, const PropertyName &propertyName);
    bool hasValidResetBinding(const PropertyName &propertyName) const;
    QQmlAbstractBinding *getResetBinding(const PropertyName &propertyName) const;
    bool hasBindingForProperty(QQmlContext *context, const PropertyName &propertyName, bool *hasChanged) const;
    void setPropertyBinding(QQmlContext *context, const PropertyName &propertyName, const QString &expression);

    QObject *m_object;
    QHash<PropertyName, QVariant> m_resetValueHash;
    QHash<PropertyName, QWeakPointer<QQmlAbstractBinding> > m_resetBindingHash;
    mutable QHash<PropertyName, bool> m_hasBindingHash;
};

} // namespace QmlPrivateGate
} // namespace Internal
} // namespace QmlDesigner

#endif // DESIGNERCUSTOMOBJECTDATA_H