diff options
Diffstat (limited to 'src/quicktemplates2/qquickdeferredexecute.cpp')
-rw-r--r-- | src/quicktemplates2/qquickdeferredexecute.cpp | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/src/quicktemplates2/qquickdeferredexecute.cpp b/src/quicktemplates2/qquickdeferredexecute.cpp index 802ed3d0..ca6953bc 100644 --- a/src/quicktemplates2/qquickdeferredexecute.cpp +++ b/src/quicktemplates2/qquickdeferredexecute.cpp @@ -55,13 +55,24 @@ static inline uint qHash(QObject *object, const QString &propertyName) Q_GLOBAL_STATIC(DeferredStates, deferredStates) -static void beginDeferred(QQmlEnginePrivate *enginePriv, const QQmlProperty &property, QQmlComponentPrivate::DeferredState *deferredState) +static void cancelDeferred(QObject *object, int propertyIndex) +{ + QQmlData *ddata = QQmlData::get(object); + auto dit = ddata->deferredData.rbegin(); + while (dit != ddata->deferredData.rend()) { + (*dit)->bindings.remove(propertyIndex); + ++dit; + } +} + +static bool beginDeferred(QQmlEnginePrivate *enginePriv, const QQmlProperty &property, QQmlComponentPrivate::DeferredState *deferredState) { QObject *object = property.object(); QQmlData *ddata = QQmlData::get(object); Q_ASSERT(!ddata->deferredData.isEmpty()); int propertyIndex = property.index(); + int wasInProgress = enginePriv->inProgressCreations; for (auto dit = ddata->deferredData.rbegin(); dit != ddata->deferredData.rend(); ++dit) { QQmlData::DeferredData *deferData = *dit; @@ -91,12 +102,11 @@ static void beginDeferred(QQmlEnginePrivate *enginePriv, const QQmlProperty &pro // Cleanup any remaining deferred bindings for this property, also in inner contexts, // to avoid executing them later and overriding the property that was just populated. - while (dit != ddata->deferredData.rend()) { - (*dit)->bindings.remove(propertyIndex); - ++dit; - } + cancelDeferred(object, propertyIndex); break; } + + return enginePriv->inProgressCreations > wasInProgress; } void beginDeferred(QObject *object, const QString &property) @@ -106,15 +116,21 @@ void beginDeferred(QObject *object, const QString &property) QQmlEnginePrivate *ep = QQmlEnginePrivate::get(data->context->engine); QQmlComponentPrivate::DeferredState *state = new QQmlComponentPrivate::DeferredState; - beginDeferred(ep, QQmlProperty(object, property), state); + if (beginDeferred(ep, QQmlProperty(object, property), state)) + deferredStates()->insert(qHash(object, property), state); + else + delete state; // Release deferred data for those compilation units that no longer have deferred bindings data->releaseDeferredData(); - - deferredStates()->insert(qHash(object, property), state); } } +void cancelDeferred(QObject *object, const QString &property) +{ + cancelDeferred(object, QQmlProperty(object, property).index()); +} + void completeDeferred(QObject *object, const QString &property) { QQmlData *data = QQmlData::get(object); |