void QDeclarativeLoaderPrivate::clear()
{
if (ownComponent) {
component->deleteLater();
component = 0;
ownComponent = false;
}
source = QUrl();
if (item) {
if (QDeclarativeItem *qmlItem = qobject_cast<QDeclarativeItem*>(item)) {
QDeclarativeItemPrivate *p =
static_cast<QDeclarativeItemPrivate *>(QGraphicsItemPrivate::get(qmlItem));
p->removeItemChangeListener(this, QDeclarativeItemPrivate::Geometry);
}
// We can't delete immediately because our item may have triggered
// the Loader to load a different item.
if (item->scene()) {
item->scene()->removeItem(item);
} else {
item->setParentItem(0);
item->setVisible(false);
}
item->deleteLater();
item = 0;
}
}
QDeclarativeLoader::~QDeclarativeLoader()
{
Q_D(QDeclarativeLoader);
if (d->item) {
if (QDeclarativeItem *qmlItem = qobject_cast<QDeclarativeItem*>(d->item)) {
QDeclarativeItemPrivate *p =
static_cast<QDeclarativeItemPrivate *>(QGraphicsItemPrivate::get(qmlItem));
p->removeItemChangeListener(d, QDeclarativeItemPrivate::Geometry);
}
}
}
void QDeclarativeBasePositionerPrivate::unwatchChanges(QGraphicsObject* other)
{
if (QGraphicsItemPrivate::get(other)->isDeclarativeItem) {
QDeclarativeItemPrivate *otherPrivate = static_cast<QDeclarativeItemPrivate*>(QGraphicsItemPrivate::get(other));
otherPrivate->removeItemChangeListener(this, watchedChanges);
} else {
Q_Q(QDeclarativeBasePositioner);
QObject::disconnect(other, SIGNAL(widthChanged()), q, SLOT(graphicsWidgetGeometryChanged()));
QObject::disconnect(other, SIGNAL(heightChanged()), q, SLOT(graphicsWidgetGeometryChanged()));
QObject::disconnect(other, SIGNAL(opacityChanged()), q, SLOT(graphicsWidgetGeometryChanged()));
QObject::disconnect(other, SIGNAL(visibleChanged()), q, SLOT(graphicsWidgetGeometryChanged()));
}
}
void QDeclarativeAnchorsPrivate::remDepend(QGraphicsObject *item)
{
if (!item)
return;
QGraphicsItemPrivate * itemPrivate = QGraphicsItemPrivate::get(item);
if (itemPrivate->isDeclarativeItem) {
QDeclarativeItemPrivate *p =
static_cast<QDeclarativeItemPrivate *>(itemPrivate);
p->removeItemChangeListener(this, QDeclarativeItemPrivate::Geometry);
} else if(itemPrivate->isWidget) {
Q_Q(QDeclarativeAnchors);
QGraphicsWidget *widget = static_cast<QGraphicsWidget *>(item);
QObject::disconnect(widget, SIGNAL(destroyed(QObject*)), q, SLOT(_q_widgetDestroyed(QObject*)));
QObject::disconnect(widget, SIGNAL(geometryChanged()), q, SLOT(_q_widgetGeometryChanged()));
}
}
void QDeclarativeBasePositionerPrivate::unwatchChanges(QDeclarativeItem* other)
{
QDeclarativeItemPrivate *otherPrivate = static_cast<QDeclarativeItemPrivate*>(QGraphicsItemPrivate::get(other));
otherPrivate->removeItemChangeListener(this, watchedChanges);
}