qcleanuphandler_p.h
00001 #ifndef QCLEANUPHANDLER_H
00002 #define QCLEANUPHANDLER_H
00003
00004 #ifndef QT_H
00005 #include <qlist.h>
00006 #endif // QT_H
00007
00008 template<class Type>
00009 class Q_EXPORT QCleanupHandler
00010 {
00011 public:
00012 QCleanupHandler() : cleanupObjects( 0 ) {}
00013 ~QCleanupHandler() { clear(); }
00014
00015 Type* add( Type **object ) {
00016 if ( !cleanupObjects )
00017 cleanupObjects = new QList<Type*>;
00018 cleanupObjects->insert( 0, object );
00019 return *object;
00020 }
00021
00022 void remove( Type **object ) {
00023 if ( !cleanupObjects )
00024 return;
00025 if ( cleanupObjects->findRef( object ) >= 0 )
00026 (void) cleanupObjects->take();
00027 }
00028
00029 bool isEmpty() const {
00030 return cleanupObjects ? cleanupObjects->isEmpty() : TRUE;
00031 }
00032
00033 void clear() {
00034 if ( !cleanupObjects )
00035 return;
00036 QListIterator<Type*> it( *cleanupObjects );
00037 Type **object;
00038 while ( ( object = it.current() ) ) {
00039 delete *object;
00040 *object = 0;
00041 cleanupObjects->remove( object );
00042 }
00043 delete cleanupObjects;
00044 cleanupObjects = 0;
00045 }
00046
00047 private:
00048 QList<Type*> *cleanupObjects;
00049 };
00050
00051 #endif //QCLEANUPHANDLER_H
