Provide receivers count from QQmlData.

Change-Id: I70b06507158797df3083dc23a119935497aa19f4
Reviewed-by: Kent Hansen <kent.hansen@nokia.com>
Reviewed-by: Aaron Kennedy <aaron.kennedy@nokia.com>

2 files changed, 22 insertions, 0 deletions

diff --git a/src/qml/qml/qqmldata_p.h b/src/qml/qml/qqmldata_p.h
index 3dd1c3ccba..b8eee47750 100644
--- a/src/qml/qml/qqmldata_p.h
+++ b/src/qml/qml/qqmldata_p.h
@@ -91,12 +91,14 @@ public:
         QAbstractDeclarativeData::parentChanged = parentChanged;
         QAbstractDeclarativeData::objectNameChanged = objectNameChanged;
         QAbstractDeclarativeData::signalEmitted = signalEmitted;
+        QAbstractDeclarativeData::receivers = receivers;
     }
 
     static void destroyed(QAbstractDeclarativeData *, QObject *);
     static void parentChanged(QAbstractDeclarativeData *, QObject *, QObject *);
     static void objectNameChanged(QAbstractDeclarativeData *, QObject *);
     static void signalEmitted(QAbstractDeclarativeData *, QObject *, int, void **);
+    static int receivers(QAbstractDeclarativeData *, const QObject *, int);
 
     void destroyed(QObject *);
     void parentChanged(QObject *, QObject *);
@@ -130,6 +132,7 @@ public:
     
     inline QQmlNotifierEndpoint *notify(int index);
     void addNotify(int index, QQmlNotifierEndpoint *);
+    int endpointCount(int index);
 
     // The context that created the C++ object
     QQmlContextData *context; 
diff --git a/src/qml/qml/qqmlengine.cpp b/src/qml/qml/qqmlengine.cpp
index 153d6b325a..82eeb917ab 100644
--- a/src/qml/qml/qqmlengine.cpp
+++ b/src/qml/qml/qqmlengine.cpp
@@ -457,6 +457,25 @@ void QQmlData::signalEmitted(QAbstractDeclarativeData *, QObject *object, int in
     if (ep) QQmlNotifier::emitNotify(ep);
 }
 
+int QQmlData::receivers(QAbstractDeclarativeData *d, const QObject *, int index)
+{
+    return static_cast<QQmlData *>(d)->endpointCount(index);
+}
+
+int QQmlData::endpointCount(int index)
+{
+    int count = 0;
+    QQmlNotifierEndpoint *ep = notify(index);
+    if (!ep)
+        return count;
+    ++count;
+    while (ep->next) {
+        ++count;
+        ep = ep->next;
+    }
+    return count;
+}
+
 void QQmlEnginePrivate::init()
 {
     Q_Q(QQmlEngine);