Fixed excessive events sending from Qt to js side (#471)

Author: vkjr

ReactQt/runtime/src/rootview.cpp

@@ -53,6 +53,7 @@ class RootViewPrivate : public QObject {
     RootView* q_ptr;
     bool remoteJSDebugging = false;
     QNetworkReply* liveReloadUrlReply = nullptr;
+    QSet<ulong> m_processedEvents;
 
     RootViewPrivate(RootView* q) : q_ptr(q) {}
 
@@ -330,13 +331,20 @@ void RootView::componentComplete() {
 void RootView::sendMouseEvent(QMouseEvent* event, const QString& eventType, QQuickItem* receiver) {
     Q_D(RootView);
 
+    if (d->m_processedEvents.contains(event->timestamp())) {
+        return;
+    } else {
+        d->m_processedEvents.clear();
+    }
+
     QVariantMap e = makeReactTouchEvent(receiver, event);
     if (e.isEmpty())
         return;
 
     d->bridge->enqueueJSCall("RCTEventEmitter",
                              "receiveTouches",
                              QVariantList{normalizeInputEventName(eventType), QVariantList{e}, QVariantList{0}});
+    d->m_processedEvents.insert(event->timestamp());
     event->setAccepted(true);
 }