qdeclarativewatcher_p.h

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#ifndef QDECLARATIVEWATCHER_P_H
#define QDECLARATIVEWATCHER_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/qlist.h>
#include <QtCore/qpair.h>
#include <QtCore/qhash.h>
#include <QtCore/qset.h>
#include <QtCore/qpointer.h>

QT_BEGIN_NAMESPACE

class QDeclarativeWatchProxy;
class QDeclarativeExpression;
class QDeclarativeContext;
class QMetaProperty;

class QDeclarativeWatcher : public QObject
{
    Q_OBJECT
public:
    QDeclarativeWatcher(QObject * = 0);

    bool addWatch(int id, quint32 objectId);
    bool addWatch(int id, quint32 objectId, const QByteArray &property);
    bool addWatch(int id, quint32 objectId, const QString &expr);

    void removeWatch(int id);

Q_SIGNALS:
    void propertyChanged(int id, int objectId, const QMetaProperty &property, const QVariant &value);

private:
    friend class QDeclarativeWatchProxy;
    void addPropertyWatch(int id, QObject *object, quint32 objectId, const QMetaProperty &property);

    QHash<int, QList<QPointer<QDeclarativeWatchProxy> > > m_proxies;
};

QT_END_NAMESPACE

#endif // QDECLARATIVEWATCHER_P_H