QmlProfiler: eliminate redundant isEmpty() methods

Change-Id: I05a82b0620a739d27478501ab43d2ac23839a811
Reviewed-by: Kai Koehne <kai.koehne@digia.com>

src/plugins/qmlprofiler/abstracttimelinemodel.cpp

@@ -58,6 +58,11 @@ QString AbstractTimelineModel::name() const
     return m_name;
 }
 
+bool AbstractTimelineModel::isEmpty() const
+{
+    return count() == 0;
+}
+
 qint64 AbstractTimelineModel::traceStartTime() const
 {
     return m_modelManager->traceTime()->startTime();

src/plugins/qmlprofiler/abstracttimelinemodel.h

@@ -54,7 +54,7 @@ public:
     QString name() const;
     virtual int count() const = 0;
 
-    virtual bool isEmpty() const = 0;
+    bool isEmpty() const;
 
     virtual bool eventAccepted(const QmlProfilerSimpleModel::QmlEventData &event) const = 0;
 

src/plugins/qmlprofiler/qmlprofilerpainteventsmodelproxy.cpp

@@ -145,11 +145,6 @@ void PaintEventsModelProxy::loadData()
 
 /////////////////// QML interface
 
-bool PaintEventsModelProxy::isEmpty() const
-{
-    return count() == 0;
-}
-
 int PaintEventsModelProxy::count() const
 {
     return d->count();

src/plugins/qmlprofiler/qmlprofilerpainteventsmodelproxy.h

@@ -67,8 +67,6 @@ public:
     Q_INVOKABLE int count() const;
     void clear();
 
-    bool isEmpty() const;
-
     Q_INVOKABLE qint64 lastTimeMark() const;
 
     Q_INVOKABLE bool expanded(int category) const;

src/plugins/qmlprofiler/qmlprofilertimelinemodelproxy.cpp

@@ -289,11 +289,6 @@ void BasicTimelineModel::BasicTimelineModelPrivate::computeRowStarts()
 
 /////////////////// QML interface
 
-bool BasicTimelineModel::isEmpty() const
-{
-    return count() == 0;
-}
-
 int BasicTimelineModel::count() const
 {
     return d->count();

src/plugins/qmlprofiler/qmlprofilertimelinemodelproxy.h

@@ -88,8 +88,6 @@ public:
 
 
 // QML interface
-    bool isEmpty() const;
-
     Q_INVOKABLE qint64 lastTimeMark() const;
 
     Q_INVOKABLE bool expanded(int category) const;