Avoid the creation of a FunctionObject for most bindings

Change-Id: Ia62d380945250015009d9c2b6ed65f6d830277ef
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/qml/qml/qqmlbinding.cpp b/src/qml/qml/qqmlbinding.cpp
index a8232904fe..aabdf00f6e 100644
--- a/src/qml/qml/qqmlbinding.cpp
+++ b/src/qml/qml/qqmlbinding.cpp
@@ -123,6 +123,21 @@ QQmlBinding *QQmlBinding::create(const QQmlPropertyData *property, const QV4::Fu
     return b;
 }
 
+QQmlBinding *QQmlBinding::create(const QQmlPropertyData *property, QV4::Function *function,
+                                 QObject *obj, QQmlContextData *ctxt, QV4::QmlContext *sharedContext)
+{
+    QQmlBinding *b = newBinding(QQmlEnginePrivate::get(ctxt), property);
+
+    b->setNotifyOnValueChanged(true);
+    b->QQmlJavaScriptExpression::setContext(ctxt);
+    b->setScopeObject(obj);
+
+    Q_ASSERT(sharedContext);
+    b->setupFunction(sharedContext, function);
+
+    return b;
+}
+
 QQmlBinding::~QQmlBinding()
 {
 }