QmlProfiler: fix issues with animations in the timeline

Change-Id: Ief2351cf7d19f580c08cc557ffa0f5975e918e56
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

src/libs/qmljsdebugclient/qmlprofilereventlist.cpp

@@ -1360,6 +1360,8 @@ void QmlProfilerEventList::load()
                         rangedEvent.frameRate = attributes.value("framerate").toString().toInt();
                     if (attributes.hasAttribute("animationcount"))
                         rangedEvent.animationCount = attributes.value("animationcount").toString().toInt();
+                    else
+                        rangedEvent.animationCount = -1;
                     if (attributes.hasAttribute("eventIndex")) {
                         int ndx = attributes.value("eventIndex").toString().toInt();
                         if (!descriptionBuffer.value(ndx))

src/plugins/qmlprofiler/timelineview.cpp

@@ -145,9 +145,11 @@ void TimelineView::drawItemsToPainter(QPainter *p, int fromIndex, int toIndex)
         // special: animations
         if (eventType == 0 && m_eventList->getAnimationCount(i) >= 0) {
             double scale = m_eventList->getMaximumAnimationCount() - m_eventList->getMinimumAnimationCount();
-            if (scale < 1)
-                scale = 1;
-            double fraction = (double)(m_eventList->getAnimationCount(i) - m_eventList->getMinimumAnimationCount()) / scale;
+            double fraction;
+            if (scale > 1)
+                fraction = (double)(m_eventList->getAnimationCount(i) - m_eventList->getMinimumAnimationCount()) / scale;
+            else
+                fraction = 1.0;
             height = DefaultRowHeight * (fraction * 0.85 + 0.15);
             y += DefaultRowHeight - height;