source: psi/trunk/cutestuff/util/safedelete.h@ 12

#ifndef SAFEDELETE_H
#define SAFEDELETE_H

#include<qobject.h>
#include<qobjectlist.h>

class SafeDelete;
class SafeDeleteLock
{
public:
        SafeDeleteLock(SafeDelete *sd);
        ~SafeDeleteLock();

private:
        SafeDelete *_sd;
        bool own;
        friend class SafeDelete;
        void dying();
};

class SafeDelete
{
public:
        SafeDelete();
        ~SafeDelete();

        void deleteLater(QObject *o);

        // same as QObject::deleteLater()
        static void deleteSingle(QObject *o);

private:
        QObjectList list;
        void deleteAll();

        friend class SafeDeleteLock;
        SafeDeleteLock *lock;
        void unlock();
};

class SafeDeleteLater : public QObject
{
        Q_OBJECT
public:
        static SafeDeleteLater *ensureExists();
        void deleteItLater(QObject *o);

private slots:
        void explode();

private:
        SafeDeleteLater();
        ~SafeDeleteLater();

        QObjectList list;
        friend class SafeDelete;
        static SafeDeleteLater *self;
};

#endif