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#ifndef Q3PTRQUEUE_H

#define Q3PTRQUEUE_H

#include <Qt3Support/q3glist.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Qt3SupportLight)

template<class type>

class Q3PtrQueue : protected Q3GList

{

public:

    Q3PtrQueue()				{}

    Q3PtrQueue( const Q3PtrQueue<type> &q ) : Q3GList(q) {}

    ~Q3PtrQueue()			{ clear(); }

    Q3PtrQueue<type>& operator=(const Q3PtrQueue<type> &q)

			{ return (Q3PtrQueue<type>&)Q3GList::operator=(q); }

    bool  autoDelete() const		{ return Q3PtrCollection::autoDelete(); }

    void  setAutoDelete( bool del )	{ Q3PtrCollection::setAutoDelete(del); }

    uint  count()   const		{ return Q3GList::count(); }

    bool  isEmpty() const		{ return Q3GList::count() == 0; }

    void  enqueue( const type *d )	{ Q3GList::append(Item(d)); }

    type *dequeue()			{ return (type *)Q3GList::takeFirst();}

    bool  remove()			{ return Q3GList::removeFirst(); }

    void  clear()			{ Q3GList::clear(); }

    type *head()    const		{ return (type *)Q3GList::cfirst(); }

	  operator type *() const	{ return (type *)Q3GList::cfirst(); }

    type *current() const		{ return (type *)Q3GList::cfirst(); }

#ifdef qdoc

protected:

    virtual QDataStream& read( QDataStream&, Q3PtrCollection::Item& );

    virtual QDataStream& write( QDataStream&, Q3PtrCollection::Item ) const;

#endif

private:

    void  deleteItem( Item d );

};

#if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)

template<> inline void Q3PtrQueue<void>::deleteItem( Q3PtrCollection::Item )

{

}

#endif

template<class type> inline void Q3PtrQueue<type>::deleteItem( Q3PtrCollection::Item d )

{

    if ( del_item ) delete (type *)d;

}

QT_END_NAMESPACE

QT_END_HEADER

#endif // Q3PTRQUEUE_H