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-rw-r--r--src/quick/items/qquickitemview.cpp20
1 files changed, 13 insertions, 7 deletions
diff --git a/src/quick/items/qquickitemview.cpp b/src/quick/items/qquickitemview.cpp
index c203f389ae..10f6c63170 100644
--- a/src/quick/items/qquickitemview.cpp
+++ b/src/quick/items/qquickitemview.cpp
@@ -1729,7 +1729,7 @@ void QQuickItemViewPrivate::updateCurrent(int modelIndex)
FxViewItem *oldCurrentItem = currentItem;
int oldCurrentIndex = currentIndex;
currentIndex = modelIndex;
- currentItem = createItem(modelIndex, false);
+ currentItem = createItem(modelIndex, QQmlIncubator::AsynchronousIfNested);
if (oldCurrentItem && oldCurrentItem->attached && (!currentItem || oldCurrentItem->item != currentItem->item))
oldCurrentItem->attached->setIsCurrentItem(false);
if (currentItem) {
@@ -2325,11 +2325,11 @@ void QQuickItemViewPrivate::viewItemTransitionFinished(QQuickItemViewTransitiona
When the item becomes available, refill() will be called and the item
will be returned on the next call to createItem().
*/
-FxViewItem *QQuickItemViewPrivate::createItem(int modelIndex, bool asynchronous)
+FxViewItem *QQuickItemViewPrivate::createItem(int modelIndex, QQmlIncubator::IncubationMode incubationMode)
{
Q_Q(QQuickItemView);
- if (requestedIndex == modelIndex && asynchronous)
+ if (requestedIndex == modelIndex && incubationMode == QQmlIncubator::Asynchronous)
return 0;
for (int i=0; i<releasePendingTransition.count(); i++) {
@@ -2340,14 +2340,20 @@ FxViewItem *QQuickItemViewPrivate::createItem(int modelIndex, bool asynchronous)
}
}
- if (asynchronous)
- requestedIndex = modelIndex;
inRequest = true;
- QObject* object = model->object(modelIndex, asynchronous);
+ QObject* object = model->object(modelIndex, incubationMode);
QQuickItem *item = qmlobject_cast<QQuickItem*>(object);
+
if (!item) {
- if (object) {
+ if (!object) {
+ if (requestedIndex == -1 && model->incubationStatus(modelIndex) == QQmlIncubator::Loading) {
+ // The reason we didn't receive an item is because it's incubating async. We keep track
+ // of this by assigning the index we're waiting for to 'requestedIndex'. This will e.g. let
+ // the view avoid unnecessary layout calls until the item has been loaded.
+ requestedIndex = modelIndex;
+ }
+ } else {
model->release(object);
if (!delegateValidated) {
delegateValidated = true;