qobjectcleanuphandler.cpp

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#include "qobjectcleanuphandler.h"

QT_BEGIN_NAMESPACE

QObjectCleanupHandler::QObjectCleanupHandler()
{
}

QObjectCleanupHandler::~QObjectCleanupHandler()
{
    clear();
}

QObject *QObjectCleanupHandler::add(QObject* object)
{
    if (!object)
        return 0;

    connect(object, SIGNAL(destroyed(QObject*)), this, SLOT(objectDestroyed(QObject*)));
    cleanupObjects.insert(0, object);
    return object;
}

void QObjectCleanupHandler::remove(QObject *object)
{
    int index;
    if ((index = cleanupObjects.indexOf(object)) != -1) {
        cleanupObjects.removeAt(index);
        disconnect(object, SIGNAL(destroyed(QObject*)), this, SLOT(objectDestroyed(QObject*)));
    }
}

bool QObjectCleanupHandler::isEmpty() const
{
    return cleanupObjects.isEmpty();
}

void QObjectCleanupHandler::clear()
{
    while (!cleanupObjects.isEmpty())
        delete cleanupObjects.takeFirst();
}

void QObjectCleanupHandler::objectDestroyed(QObject *object)
{
    remove(object);
}

QT_END_NAMESPACE