QmlProfiler: Allow only one category per model in timeline

This simplifies the code a lot and allows for more flexibility
when interacting with the data.

Change-Id: I69630071eee66840e905fcd95ba8c708742d58b6
Reviewed-by: Kai Koehne <kai.koehne@digia.com>

src/plugins/qmlprofiler/abstracttimelinemodel.cpp

@@ -57,14 +57,6 @@ void AbstractTimelineModel::setModelManager(QmlProfilerModelManager *modelManage
     d->modelId = d->modelManager->registerModelProxy();
 }
 
-QStringList AbstractTimelineModel::categoryTitles() const
-{
-    QStringList retString;
-    for (int i = 0; i < categoryCount(); i++)
-        retString << categoryLabel(i);
-    return retString;
-}
-
 QString AbstractTimelineModel::name() const
 {
     Q_D(const AbstractTimelineModel);
@@ -169,14 +161,6 @@ int AbstractTimelineModel::getEventIdForLocation(const QString &filename, int li
     return -1;
 }
 
-int AbstractTimelineModel::rowCount() const
-{
-    int count = 0;
-    for (int i=0; i<categoryCount(); i++)
-        count += categoryDepth(i);
-    return count;
-}
-
 int AbstractTimelineModel::getBindingLoopDest(int index) const
 {
     Q_UNUSED(index);

src/plugins/qmlprofiler/abstracttimelinemodel.h

@@ -50,7 +50,6 @@ public:
 
     // Trivial methods implemented by the abstract model itself
     void setModelManager(QmlProfilerModelManager *modelManager);
-    QStringList categoryTitles() const;
     QString name() const;
     bool isEmpty() const;
 
@@ -60,7 +59,6 @@ public:
     Q_INVOKABLE qint64 traceEndTime() const;
     Q_INVOKABLE qint64 traceDuration() const;
     Q_INVOKABLE int getState() const;
-    Q_INVOKABLE int rowCount() const;
     Q_INVOKABLE qint64 getDuration(int index) const;
     Q_INVOKABLE qint64 getStartTime(int index) const;
     Q_INVOKABLE qint64 getEndTime(int index) const;
@@ -70,17 +68,15 @@ public:
     int count() const;
 
     // Methods that have to be implemented by child models
-    Q_INVOKABLE virtual bool expanded(int category) const = 0;
+    virtual bool expanded() const = 0;
-    Q_INVOKABLE virtual void setExpanded(int category, bool expanded) = 0;
+    virtual void setExpanded(bool expanded) = 0;
-    Q_INVOKABLE virtual int categoryDepth(int categoryIndex) const = 0;
+    virtual int rowCount() const = 0;
-    Q_INVOKABLE virtual int categoryCount() const = 0;
+    virtual const QString title() const = 0;
-    Q_INVOKABLE virtual const QString categoryLabel(int categoryIndex) const = 0;
     Q_INVOKABLE virtual int getEventId(int index) const = 0;
     Q_INVOKABLE virtual QColor getColor(int index) const = 0;
-    Q_INVOKABLE virtual const QVariantList getLabelsForCategory(int category) const = 0;
+    virtual const QVariantList getLabels() const = 0;
     Q_INVOKABLE virtual const QVariantList getEventDetails(int index) const = 0;
     virtual int getEventType(int index) const = 0;
-    virtual int getEventCategory(int index) const = 0;
     virtual int getEventRow(int index) const = 0;
     virtual void loadData() = 0;
     virtual void clear() = 0;

src/plugins/qmlprofiler/qml/CategoryLabel.qml

@@ -31,16 +31,15 @@ import QtQuick 2.1
 
 Item {
     id: labelContainer
-    property string text: qmlProfilerModelProxy.categoryLabel(modelIndex, categoryIndex)
+    property string text: qmlProfilerModelProxy.title(modelIndex)
     property bool expanded: false
-    property int categoryIndex: qmlProfilerModelProxy.correctedCategoryIndexForModel(modelIndex, index)
+    property int modelIndex: index;
-    property int modelIndex: qmlProfilerModelProxy.modelIndexForCategory(index);
 
     property var descriptions: []
     property var extdescriptions: []
     property var eventIds: []
 
-    visible: qmlProfilerModelProxy.categoryDepth(modelIndex, categoryIndex) > 0;
+    visible: qmlProfilerModelProxy.rowCount(modelIndex) > 0;
 
     height: root.singleRowHeight
     width: 150
@@ -50,18 +49,18 @@ Item {
     }
 
     function updateHeight() {
-        height = root.singleRowHeight * qmlProfilerModelProxy.categoryDepth(modelIndex, categoryIndex);
+        height = root.singleRowHeight * qmlProfilerModelProxy.rowCount(modelIndex);
     }
 
     function getDescriptions() {
-        visible = qmlProfilerModelProxy.categoryDepth(modelIndex, categoryIndex) > 0;
+        visible = qmlProfilerModelProxy.rowCount(modelIndex) > 0;
         if (!visible)
             return;
 
         var desc=[];
         var ids=[];
         var extdesc=[];
-        var labelList = qmlProfilerModelProxy.getLabelsForCategory(modelIndex, categoryIndex);
+        var labelList = qmlProfilerModelProxy.getLabels(modelIndex);
         for (var i = 0; i < labelList.length; i++ ) {
             desc[i] = labelList[i].description;
             ids[i] = labelList[i].id;
@@ -76,7 +75,7 @@ Item {
     Connections {
         target: qmlProfilerModelProxy
         onExpandedChanged: {
-            expanded = qmlProfilerModelProxy.expanded(modelIndex, categoryIndex);
+            expanded = qmlProfilerModelProxy.expanded(modelIndex);
             backgroundMarks.requestPaint();
             getDescriptions();
         }
@@ -155,7 +154,7 @@ Item {
             onClicked: {
                 // Don't try to expand empty models.
                 if (expanded || qmlProfilerModelProxy.count(modelIndex) > 0)
-                    qmlProfilerModelProxy.setExpanded(modelIndex, categoryIndex, !expanded);
+                    qmlProfilerModelProxy.setExpanded(modelIndex, !expanded);
             }
         }
     }

src/plugins/qmlprofiler/qml/MainView.qml

@@ -208,7 +208,7 @@ Rectangle {
             color: root.color
             height: col.height
 
-            property int rowCount: qmlProfilerModelProxy.categoryCount();
+            property int rowCount: qmlProfilerModelProxy.modelCount();
 
             Column {
                 id: col

src/plugins/qmlprofiler/qml/Overview.js

@@ -48,13 +48,10 @@ function drawData(canvas, ctxt)
     var bump = 10;
     var height = canvas.height - bump;
 
-    var typeCount = qmlProfilerModelProxy.visibleCategories();
+    var blockHeight = height / qmlProfilerModelProxy.modelCount();
-    var blockHeight = height / typeCount;
 
     var spacing = width / qmlProfilerModelProxy.traceDuration();
 
-    var modelRowStart = 0;
-
     for (var modelIndex = 0; modelIndex < qmlProfilerModelProxy.modelCount(); ++modelIndex) {
         for (var ii = canvas.offset; ii < qmlProfilerModelProxy.count(modelIndex);
              ii += canvas.increment) {
@@ -69,22 +66,18 @@ function drawData(canvas, ctxt)
 
             xx = Math.round(xx);
 
-            var rowNumber = modelRowStart + qmlProfilerModelProxy.getEventCategoryInModel(modelIndex, ii);
-
             var itemHeight = qmlProfilerModelProxy.getHeight(modelIndex,ii) * blockHeight;
-            var yy = (rowNumber + 1) * blockHeight - itemHeight ;
+            var yy = (modelIndex + 1) * blockHeight - itemHeight ;
 
             ctxt.fillStyle = qmlProfilerModelProxy.getColor(modelIndex, ii);
             ctxt.fillRect(xx, bump + yy, eventWidth, itemHeight);
         }
-        modelRowStart += qmlProfilerModelProxy.categoryCount(modelIndex);
     }
 
     // binding loops
     ctxt.strokeStyle = "orange";
     ctxt.lineWidth = 2;
     var radius = 1;
-    modelRowStart = 0;
     for (modelIndex = 0; modelIndex < qmlProfilerModelProxy.modelCount(); ++modelIndex) {
         for (ii = canvas.offset; ii < qmlProfilerModelProxy.count(modelIndex);
              ii += canvas.increment) {
@@ -92,15 +85,12 @@ function drawData(canvas, ctxt)
                 var xcenter = Math.round(qmlProfilerModelProxy.getStartTime(modelIndex,ii) +
                                          qmlProfilerModelProxy.getDuration(modelIndex,ii) -
                                          qmlProfilerModelProxy.traceStartTime()) * spacing;
-                var ycenter = Math.round(bump + (modelRowStart +
+                var ycenter = Math.round(bump + blockHeight * modelIndex + blockHeight / 2);
-                                         qmlProfilerModelProxy.getEventCategoryInModel(modelIndex, ii)) *
-                                         blockHeight + blockHeight/2);
                 ctxt.beginPath();
                 ctxt.arc(xcenter, ycenter, radius, 0, 2*Math.PI, true);
                 ctxt.stroke();
             }
         }
-        modelRowStart += qmlProfilerModelProxy.categoryCount(modelIndex);
     }
 
 }

src/plugins/qmlprofiler/qml/TimeMarks.qml

@@ -114,8 +114,7 @@ Canvas {
         // separators
         var cumulatedHeight = 0;
         for (var modelIndex = 0; modelIndex < qmlProfilerModelProxy.modelCount() && cumulatedHeight < y + height; modelIndex++) {
-            for (var i=0; i<qmlProfilerModelProxy.categoryCount(modelIndex); i++) {
+            cumulatedHeight += root.singleRowHeight * qmlProfilerModelProxy.rowCount(modelIndex);
-                cumulatedHeight += root.singleRowHeight * qmlProfilerModelProxy.categoryDepth(modelIndex, i);
             if (cumulatedHeight < y)
                 continue;
 
@@ -125,7 +124,6 @@ Canvas {
             context.lineTo(width, cumulatedHeight - y);
             context.stroke();
         }
-        }
 
         // bottom
         if (height > labels.height - y) {

src/plugins/qmlprofiler/qmlprofilerpainteventsmodelproxy.cpp

@@ -149,9 +149,8 @@ void PaintEventsModelProxy::loadData()
 
 /////////////////// QML interface
 
-int PaintEventsModelProxy::categoryDepth(int categoryIndex) const
+int PaintEventsModelProxy::rowCount() const
 {
-    Q_UNUSED(categoryIndex);
     Q_D(const PaintEventsModelProxy);
     if (isEmpty())
         return d->seenForeignPaintEvent ? 0 : 1;
@@ -191,9 +190,8 @@ float PaintEventsModelProxy::getHeight(int index) const
             d->maxGuiThreadAnimations : d->maxRenderThreadAnimations) * 0.85f + 0.15f;
 }
 
-const QVariantList PaintEventsModelProxy::getLabelsForCategory(int category) const
+const QVariantList PaintEventsModelProxy::getLabels() const
 {
-    Q_UNUSED(category);
     Q_D(const PaintEventsModelProxy);
     QVariantList result;
 
@@ -224,7 +222,7 @@ const QVariantList PaintEventsModelProxy::getEventDetails(int index) const
     static const char trContext[] = "RangeDetails";
     {
         QVariantMap valuePair;
-        valuePair.insert(QLatin1String("title"), QVariant(categoryLabel(0)));
+        valuePair.insert(QLatin1String("title"), QVariant(title()));
         result << valuePair;
     }
 

src/plugins/qmlprofiler/qmlprofilerpainteventsmodelproxy.h

@@ -64,14 +64,14 @@ public:
     void loadData();
     void clear();
 
-    Q_INVOKABLE int categoryDepth(int categoryIndex) const;
+    Q_INVOKABLE int rowCount() const;
     Q_INVOKABLE int getEventId(int index) const;
     int getEventRow(int index) const;
 
     Q_INVOKABLE QColor getColor(int index) const;
     Q_INVOKABLE float getHeight(int index) const;
 
-    Q_INVOKABLE const QVariantList getLabelsForCategory(int category) const;
+    Q_INVOKABLE const QVariantList getLabels() const;
     Q_INVOKABLE const QVariantList getEventDetails(int index) const;
 
 private slots:

src/plugins/qmlprofiler/qmlprofilertimelinemodelproxy.cpp

@@ -31,6 +31,7 @@
 #include "qmlprofilermodelmanager.h"
 #include "qmlprofilerdatamodel.h"
 #include "sortedtimelinemodel.h"
+#include "singlecategorytimelinemodel_p.h"
 
 #include <QCoreApplication>
 #include <QVector>
@@ -44,69 +45,53 @@
 namespace QmlProfiler {
 namespace Internal {
 
-struct CategorySpan {
+class RangeTimelineModel::RangeTimelineModelPrivate :
-    bool expanded;
+        public SortedTimelineModel<RangeTimelineModel::QmlRangeEventStartInstance,
-    int expandedRows;
+                                   SingleCategoryTimelineModel::SingleCategoryTimelineModelPrivate>
-    int contractedRows;
-    int rowStart;
-};
-
-class BasicTimelineModel::BasicTimelineModelPrivate : public SortedTimelineModel<BasicTimelineModel::QmlRangeEventStartInstance>
 {
 public:
     // convenience functions
-    void prepare();
     void computeNestingContracted();
     void computeExpandedLevels();
     void findBindingLoops();
-    void computeRowStarts();
 
-    QVector <BasicTimelineModel::QmlRangeEventData> eventDict;
+    QVector <RangeTimelineModel::QmlRangeEventData> eventDict;
     QVector <QString> eventHashes;
-    QVector <CategorySpan> categorySpan;
+    int expandedRows;
+    int contractedRows;
     bool seenPaintEvent;
 private:
-    Q_DECLARE_PUBLIC(BasicTimelineModel)
+    Q_DECLARE_PUBLIC(RangeTimelineModel)
 };
 
-BasicTimelineModel::BasicTimelineModel(QObject *parent)
+RangeTimelineModel::RangeTimelineModel(QmlDebug::RangeType rangeType, QObject *parent)
-    : AbstractTimelineModel(new BasicTimelineModelPrivate, QLatin1String("BasicTimelineModel"),
+    : SingleCategoryTimelineModel(new RangeTimelineModelPrivate,
-                            parent)
+                                  QLatin1String("RangeTimelineModel"), categoryLabel(rangeType),
+                                  QmlDebug::MaximumMessage, rangeType, parent)
 {
-    Q_D(BasicTimelineModel);
+    Q_D(RangeTimelineModel);
     d->seenPaintEvent = false;
+    d->expandedRows = 1;
+    d->contractedRows = 1;
 }
 
-void BasicTimelineModel::clear()
+void RangeTimelineModel::clear()
 {
-    Q_D(BasicTimelineModel);
+    Q_D(RangeTimelineModel);
     d->clear();
     d->eventDict.clear();
     d->eventHashes.clear();
-    d->categorySpan.clear();
+    d->expandedRows = 1;
+    d->contractedRows = 1;
     d->seenPaintEvent = false;
+    d->expanded = false;
 
     d->modelManager->modelProxyCountUpdated(d->modelId, 0, 1);
 }
 
-void BasicTimelineModel::BasicTimelineModelPrivate::prepare()
+void RangeTimelineModel::loadData()
 {
-    categorySpan.clear();
+    Q_D(RangeTimelineModel);
-    for (int i = 0; i < QmlDebug::MaximumRangeType; i++) {
-        CategorySpan newCategory = {false, 1, 1, i};
-        categorySpan << newCategory;
-    }
-}
-
-bool BasicTimelineModel::eventAccepted(const QmlProfilerDataModel::QmlEventData &event) const
-{
-    // Accept all range types. Qt5 paint events aren't ranges
-    return (event.rangeType != QmlDebug::MaximumRangeType);
-}
-
-void BasicTimelineModel::loadData()
-{
-    Q_D(BasicTimelineModel);
     clear();
     QmlProfilerDataModel *simpleModel = d->modelManager->qmlModel();
     if (simpleModel->isEmpty())
@@ -114,8 +99,6 @@ void BasicTimelineModel::loadData()
 
     int lastEventId = 0;
 
-    d->prepare();
-
     QMap<QString, int> eventIdsByHash;
 
     // collect events
@@ -136,7 +119,6 @@ void BasicTimelineModel::loadData()
                 event.displayName,
                 event.data.join(QLatin1String(" ")),
                 event.location,
-                event.rangeType,
                 lastEventId++ // event id
             };
             d->eventDict << rangeEventData;
@@ -168,19 +150,16 @@ void BasicTimelineModel::loadData()
 
     d->modelManager->modelProxyCountUpdated(d->modelId, 4, 6);
 
-
     d->findBindingLoops();
 
     d->modelManager->modelProxyCountUpdated(d->modelId, 5, 6);
 
-    d->computeRowStarts();
-
     d->modelManager->modelProxyCountUpdated(d->modelId, 1, 1);
 }
 
-void BasicTimelineModel::BasicTimelineModelPrivate::computeNestingContracted()
+void RangeTimelineModel::RangeTimelineModelPrivate::computeNestingContracted()
 {
-    Q_Q(BasicTimelineModel);
+    Q_Q(RangeTimelineModel);
     int i;
     int eventCount = count();
 
@@ -214,42 +193,35 @@ void BasicTimelineModel::BasicTimelineModelPrivate::computeNestingContracted()
 
     // nestingdepth
     for (i = 0; i < eventCount; i++) {
-        int eventType = q->getEventType(i);
+        if (contractedRows <= ranges[i].displayRowCollapsed)
-        if (categorySpan[eventType].contractedRows <= ranges[i].displayRowCollapsed)
+            contractedRows = ranges[i].displayRowCollapsed + 1;
-            categorySpan[eventType].contractedRows = ranges[i].displayRowCollapsed + 1;
     }
 }
 
-void BasicTimelineModel::BasicTimelineModelPrivate::computeExpandedLevels()
+void RangeTimelineModel::RangeTimelineModelPrivate::computeExpandedLevels()
 {
     QHash<int, int> eventRow;
     int eventCount = count();
     for (int i = 0; i < eventCount; i++) {
         int eventId = ranges[i].eventId;
-        int eventType = eventDict[eventId].eventType;
         if (!eventRow.contains(eventId)) {
-            eventRow[eventId] = categorySpan[eventType].expandedRows++;
+            eventRow[eventId] = expandedRows++;
         }
         ranges[i].displayRowExpanded = eventRow[eventId];
     }
 }
 
-void BasicTimelineModel::BasicTimelineModelPrivate::findBindingLoops()
+void RangeTimelineModel::RangeTimelineModelPrivate::findBindingLoops()
 {
+    if (rangeType != QmlDebug::Binding && rangeType != QmlDebug::HandlingSignal)
+        return;
+
     typedef QPair<QString, int> CallStackEntry;
     QStack<CallStackEntry> callStack;
 
     for (int i = 0; i < count(); ++i) {
         Range *event = &ranges[i];
 
-        BasicTimelineModel::QmlRangeEventData data = eventDict.at(event->eventId);
-
-        static QVector<QmlDebug::RangeType> acceptedTypes =
-                QVector<QmlDebug::RangeType>() << QmlDebug::Binding << QmlDebug::HandlingSignal;
-
-        if (!acceptedTypes.contains(data.eventType))
-            continue;
-
         const QString eventHash = eventHashes.at(event->eventId);
         const Range *potentialParent = callStack.isEmpty()
                 ? 0 : &ranges[callStack.top().second];
@@ -276,57 +248,21 @@ void BasicTimelineModel::BasicTimelineModelPrivate::findBindingLoops()
 
 }
 
-void BasicTimelineModel::BasicTimelineModelPrivate::computeRowStarts()
-{
-    Q_Q(BasicTimelineModel);
-    int rowStart = 0;
-    for (int i = 0; i < categorySpan.count(); i++) {
-        categorySpan[i].rowStart = rowStart;
-        rowStart += q->categoryDepth(i);
-    }
-}
-
 /////////////////// QML interface
 
-bool BasicTimelineModel::expanded(int category) const
+int RangeTimelineModel::rowCount() const
 {
-    Q_D(const BasicTimelineModel);
+    Q_D(const RangeTimelineModel);
-    if (d->categorySpan.count() <= category)
-        return false;
-    return d->categorySpan[category].expanded;
-}
-
-void BasicTimelineModel::setExpanded(int category, bool expanded)
-{
-    Q_D(BasicTimelineModel);
-    if (d->categorySpan.count() <= category)
-        return;
-
-    d->categorySpan[category].expanded = expanded;
-    d->computeRowStarts();
-    emit expandedChanged();
-}
-
-int BasicTimelineModel::categoryDepth(int categoryIndex) const
-{
-    Q_D(const BasicTimelineModel);
     // special for paint events: show only when empty model or there's actual events
-    if (categoryIndex == QmlDebug::Painting && !d->seenPaintEvent)
+    if (d->rangeType == QmlDebug::Painting && !d->seenPaintEvent)
         return 0;
-    if (d->categorySpan.count() <= categoryIndex)
+    if (d->expanded)
-        return 1;
+        return d->expandedRows;
-    if (d->categorySpan[categoryIndex].expanded)
-        return d->categorySpan[categoryIndex].expandedRows;
     else
-        return d->categorySpan[categoryIndex].contractedRows;
+        return d->contractedRows;
 }
 
-int BasicTimelineModel::categoryCount() const
+QString RangeTimelineModel::categoryLabel(int categoryIndex)
-{
-    return 6;
-}
-
-const QString BasicTimelineModel::categoryLabel(int categoryIndex) const
 {
     switch (categoryIndex) {
     case 0: return QCoreApplication::translate("MainView", "Painting"); break;
@@ -339,57 +275,47 @@ const QString BasicTimelineModel::categoryLabel(int categoryIndex) const
     }
 }
 
-int BasicTimelineModel::getEventType(int index) const
+int RangeTimelineModel::getEventType(int index) const
 {
-    Q_D(const BasicTimelineModel);
+    Q_D(const RangeTimelineModel);
-    return d->eventDict[d->range(index).eventId].eventType;
+    Q_UNUSED(index);
+    return d->rangeType;
 }
 
-int BasicTimelineModel::getEventCategory(int index) const
+int RangeTimelineModel::getEventRow(int index) const
 {
-    Q_D(const BasicTimelineModel);
+    Q_D(const RangeTimelineModel);
-    int evTy = getEventType(index);
+    if (d->expanded)
-    // special: paint events shown?
+        return d->range(index).displayRowExpanded;
-    if (!d->seenPaintEvent)
-        return evTy - 1;
-    return evTy;
-}
-
-int BasicTimelineModel::getEventRow(int index) const
-{
-    Q_D(const BasicTimelineModel);
-    if (d->categorySpan[getEventType(index)].expanded)
-        return d->range(index).displayRowExpanded + d->categorySpan[getEventType(index)].rowStart;
     else
-        return d->range(index).displayRowCollapsed  + d->categorySpan[getEventType(index)].rowStart;
+        return d->range(index).displayRowCollapsed;
 }
 
-int BasicTimelineModel::getEventId(int index) const
+int RangeTimelineModel::getEventId(int index) const
 {
-    Q_D(const BasicTimelineModel);
+    Q_D(const RangeTimelineModel);
     return d->range(index).eventId;
 }
 
-int BasicTimelineModel::getBindingLoopDest(int index) const
+int RangeTimelineModel::getBindingLoopDest(int index) const
 {
-    Q_D(const BasicTimelineModel);
+    Q_D(const RangeTimelineModel);
     return d->range(index).bindingLoopHead;
 }
 
-QColor BasicTimelineModel::getColor(int index) const
+QColor RangeTimelineModel::getColor(int index) const
 {
     return getEventColor(index);
 }
 
-const QVariantList BasicTimelineModel::getLabelsForCategory(int category) const
+const QVariantList RangeTimelineModel::getLabels() const
 {
-    Q_D(const BasicTimelineModel);
+    Q_D(const RangeTimelineModel);
     QVariantList result;
 
-    if (d->categorySpan.count() > category && d->categorySpan[category].expanded) {
+    if (d->expanded) {
         int eventCount = d->eventDict.count();
         for (int i = 0; i < eventCount; i++) {
-            if (d->eventDict[i].eventType == category) {
             QVariantMap element;
             element.insert(QLatin1String("displayName"), QVariant(d->eventDict[i].displayName));
             element.insert(QLatin1String("description"), QVariant(d->eventDict[i].details));
@@ -397,21 +323,20 @@ const QVariantList BasicTimelineModel::getLabelsForCategory(int category) const
             result << element;
         }
     }
-    }
 
     return result;
 }
 
-const QVariantList BasicTimelineModel::getEventDetails(int index) const
+const QVariantList RangeTimelineModel::getEventDetails(int index) const
 {
-    Q_D(const BasicTimelineModel);
+    Q_D(const RangeTimelineModel);
     QVariantList result;
     int eventId = getEventId(index);
 
     static const char trContext[] = "RangeDetails";
     {
         QVariantMap valuePair;
-        valuePair.insert(QLatin1String("title"), QVariant(categoryLabel(d->eventDict[eventId].eventType)));
+        valuePair.insert(QLatin1String("title"), QVariant(categoryLabel(d->rangeType)));
         result << valuePair;
     }
 
@@ -447,9 +372,9 @@ const QVariantList BasicTimelineModel::getEventDetails(int index) const
     return result;
 }
 
-const QVariantMap BasicTimelineModel::getEventLocation(int index) const
+const QVariantMap RangeTimelineModel::getEventLocation(int index) const
 {
-    Q_D(const BasicTimelineModel);
+    Q_D(const RangeTimelineModel);
     QVariantMap result;
     int eventId = getEventId(index);
 
@@ -463,15 +388,15 @@ const QVariantMap BasicTimelineModel::getEventLocation(int index) const
     return result;
 }
 
-int BasicTimelineModel::getEventIdForHash(const QString &eventHash) const
+int RangeTimelineModel::getEventIdForHash(const QString &eventHash) const
 {
-    Q_D(const BasicTimelineModel);
+    Q_D(const RangeTimelineModel);
     return d->eventHashes.indexOf(eventHash);
 }
 
-int BasicTimelineModel::getEventIdForLocation(const QString &filename, int line, int column) const
+int RangeTimelineModel::getEventIdForLocation(const QString &filename, int line, int column) const
 {
-    Q_D(const BasicTimelineModel);
+    Q_D(const RangeTimelineModel);
     // if this is called from v8 view, we don't have the column number, it will be -1
     foreach (const QmlRangeEventData &eventData, d->eventDict) {
         if (eventData.location.filename == filename &&

src/plugins/qmlprofiler/qmlprofilertimelinemodelproxy.h

@@ -31,8 +31,7 @@
 #ifndef QMLPROFILERTIMELINEMODELPROXY_H
 #define QMLPROFILERTIMELINEMODELPROXY_H
 
-#include <QObject>
+#include "singlecategorytimelinemodel.h"
-#include "abstracttimelinemodel.h"
 #include <qmldebug/qmlprofilereventtypes.h>
 #include <qmldebug/qmlprofilereventlocation.h>
 #include <QVariantList>
@@ -44,7 +43,7 @@ class QmlProfilerModelManager;
 
 namespace Internal {
 
-class BasicTimelineModel : public AbstractTimelineModel
+class RangeTimelineModel : public SingleCategoryTimelineModel
 {
     Q_OBJECT
 public:
@@ -53,8 +52,6 @@ public:
         QString displayName;
         QString details;
         QmlDebug::QmlEventLocation location;
-        QmlDebug::RangeType eventType;
-
         int eventId;  // separate
     };
 
@@ -73,7 +70,7 @@ public:
         int bindingLoopHead;
     };
 
-    BasicTimelineModel(QObject *parent = 0);
+    RangeTimelineModel(QmlDebug::RangeType rangeType, QObject *parent = 0);
 
     void loadData();
     void clear();
@@ -81,32 +78,25 @@ public:
 
 // QML interface
 
-    Q_INVOKABLE bool expanded(int category) const;
+    Q_INVOKABLE int rowCount() const;
-    Q_INVOKABLE void setExpanded(int category, bool expanded);
+    static QString categoryLabel(int categoryIndex);
-    Q_INVOKABLE int categoryDepth(int categoryIndex) const;
-    Q_INVOKABLE int categoryCount() const;
-    Q_INVOKABLE const QString categoryLabel(int categoryIndex) const;
 
     int getEventType(int index) const;
-    int getEventCategory(int index) const;
     int getEventRow(int index) const;
     Q_INVOKABLE int getEventId(int index) const;
     int getBindingLoopDest(int index) const;
     Q_INVOKABLE QColor getColor(int index) const;
 
-    Q_INVOKABLE const QVariantList getLabelsForCategory(int category) const;
+    Q_INVOKABLE const QVariantList getLabels() const;
     Q_INVOKABLE const QVariantList getEventDetails(int index) const;
     Q_INVOKABLE const QVariantMap getEventLocation(int index) const;
 
     Q_INVOKABLE int getEventIdForHash(const QString &eventHash) const;
     Q_INVOKABLE int getEventIdForLocation(const QString &filename, int line, int column) const;
 
-private slots:
-    bool eventAccepted(const QmlProfilerDataModel::QmlEventData &event) const;
-
 private:
-    class BasicTimelineModelPrivate;
+    class RangeTimelineModelPrivate;
-    Q_DECLARE_PRIVATE(BasicTimelineModel)
+    Q_DECLARE_PRIVATE(RangeTimelineModel)
 };
 
 }

src/plugins/qmlprofiler/singlecategorytimelinemodel.cpp

@@ -39,7 +39,7 @@ SingleCategoryTimelineModel::SingleCategoryTimelineModel(SingleCategoryTimelineM
 {
     Q_D(SingleCategoryTimelineModel);
     d->expanded = false;
-    d->label = label;
+    d->title = label;
     d->message = message;
     d->rangeType = rangeType;
 }
@@ -52,33 +52,25 @@ bool SingleCategoryTimelineModel::eventAccepted(const QmlProfilerDataModel::QmlE
     return (event.rangeType == d->rangeType && event.message == d->message);
 }
 
-bool SingleCategoryTimelineModel::expanded(int categoryIndex) const
+bool SingleCategoryTimelineModel::expanded() const
 {
     Q_D(const SingleCategoryTimelineModel);
-    Q_UNUSED(categoryIndex);
     return d->expanded;
 }
 
-void SingleCategoryTimelineModel::setExpanded(int categoryIndex, bool expanded)
+void SingleCategoryTimelineModel::setExpanded(bool expanded)
 {
     Q_D(SingleCategoryTimelineModel);
-    Q_UNUSED(categoryIndex);
     if (expanded != d->expanded) {
         d->expanded = expanded;
         emit expandedChanged();
     }
 }
 
-int SingleCategoryTimelineModel::categoryCount() const
+const QString SingleCategoryTimelineModel::title() const
-{
-    return 1;
-}
-
-const QString SingleCategoryTimelineModel::categoryLabel(int categoryIndex) const
 {
     Q_D(const SingleCategoryTimelineModel);
-    Q_UNUSED(categoryIndex);
+    return d->title;
-    return d->label;
 }
 
 int SingleCategoryTimelineModel::getEventType(int index) const
@@ -88,10 +80,4 @@ int SingleCategoryTimelineModel::getEventType(int index) const
     return (d->message << 8) + d->rangeType;
 }
 
-int SingleCategoryTimelineModel::getEventCategory(int index) const
-{
-    Q_UNUSED(index);
-    return 0;
-}
-
 }

src/plugins/qmlprofiler/singlecategorytimelinemodel.h

@@ -40,14 +40,11 @@ class QMLPROFILER_EXPORT SingleCategoryTimelineModel : public AbstractTimelineMo
     Q_OBJECT
 public:
     bool eventAccepted(const QmlProfilerDataModel::QmlEventData &event) const;
-    Q_INVOKABLE bool expanded(int) const;
+    bool expanded() const;
-    Q_INVOKABLE void setExpanded(int, bool expanded);
+    void setExpanded(bool expanded);
-
-    Q_INVOKABLE int categoryCount() const;
 
     int getEventType(int index) const;
-    Q_INVOKABLE int getEventCategory(int index) const;
+    const QString title() const;
-    Q_INVOKABLE const QString categoryLabel(int categoryIndex) const;
 
 protected:
     class SingleCategoryTimelineModelPrivate;

src/plugins/qmlprofiler/singlecategorytimelinemodel_p.h

@@ -39,7 +39,7 @@ class SingleCategoryTimelineModel::SingleCategoryTimelineModelPrivate :
         public AbstractTimelineModel::AbstractTimelineModelPrivate {
 public:
     bool expanded;
-    QString label;
+    QString title;
     QmlDebug::Message message;
     QmlDebug::RangeType rangeType;
 };

src/plugins/qmlprofiler/timelinemodelaggregator.cpp

@@ -77,9 +77,11 @@ void TimelineModelAggregator::setModelManager(QmlProfilerModelManager *modelMana
     paintEventsModelProxy->setModelManager(modelManager);
     addModel(paintEventsModelProxy);
 
-    BasicTimelineModel *basicTimelineModel = new BasicTimelineModel(this);
+    for (int i = 0; i < QmlDebug::MaximumRangeType; ++i) {
-    basicTimelineModel->setModelManager(modelManager);
+        RangeTimelineModel *rangeModel = new RangeTimelineModel((QmlDebug::RangeType)i, this);
-    addModel(basicTimelineModel);
+        rangeModel->setModelManager(modelManager);
+        addModel(rangeModel);
+    }
 }
 
 void TimelineModelAggregator::addModel(AbstractTimelineModel *m)
@@ -90,31 +92,11 @@ void TimelineModelAggregator::addModel(AbstractTimelineModel *m)
     connect(m,SIGNAL(stateChanged()),this,SIGNAL(stateChanged()));
 }
 
-// order?
-int TimelineModelAggregator::categoryCount() const
-{
-    int categoryCount = 0;
-    foreach (const AbstractTimelineModel *modelProxy, d->modelList)
-        categoryCount += modelProxy->categoryCount();
-    return categoryCount;
-}
-
-int TimelineModelAggregator::visibleCategories() const
-{
-    int categoryCount = 0;
-    foreach (const AbstractTimelineModel *modelProxy, d->modelList) {
-        for (int i = 0; i < modelProxy->categoryCount(); i++)
-            if (modelProxy->categoryDepth(i) > 0)
-                categoryCount ++;
-    }
-    return categoryCount;
-}
-
 QStringList TimelineModelAggregator::categoryTitles() const
 {
     QStringList retString;
     foreach (const AbstractTimelineModel *modelProxy, d->modelList)
-        retString += modelProxy->categoryTitles();
+        retString << modelProxy->title();
     return retString;
 }
 
@@ -158,24 +140,14 @@ qint64 TimelineModelAggregator::lastTimeMark() const
     return mark;
 }
 
-bool TimelineModelAggregator::expanded(int modelIndex, int category) const
+bool TimelineModelAggregator::expanded(int modelIndex) const
 {
-    return d->modelList[modelIndex]->expanded(category);
+    return d->modelList[modelIndex]->expanded();
 }
 
-void TimelineModelAggregator::setExpanded(int modelIndex, int category, bool expanded)
+void TimelineModelAggregator::setExpanded(int modelIndex, bool expanded)
 {
-    d->modelList[modelIndex]->setExpanded(category, expanded);
+    d->modelList[modelIndex]->setExpanded(expanded);
-}
-
-int TimelineModelAggregator::categoryDepth(int modelIndex, int categoryIndex) const
-{
-    return d->modelList[modelIndex]->categoryDepth(categoryIndex);
-}
-
-int TimelineModelAggregator::categoryCount(int modelIndex) const
-{
-    return d->modelList[modelIndex]->categoryCount();
 }
 
 int TimelineModelAggregator::rowCount(int modelIndex) const
@@ -183,29 +155,9 @@ int TimelineModelAggregator::rowCount(int modelIndex) const
     return d->modelList[modelIndex]->rowCount();
 }
 
-const QString TimelineModelAggregator::categoryLabel(int modelIndex, int categoryIndex) const
+const QString TimelineModelAggregator::title(int modelIndex) const
 {
-    return d->modelList[modelIndex]->categoryLabel(categoryIndex);
+    return d->modelList[modelIndex]->title();
-}
-
-int TimelineModelAggregator::modelIndexForCategory(int absoluteCategoryIndex) const
-{
-    int categoryIndex = absoluteCategoryIndex;
-    for (int modelIndex = 0; modelIndex < d->modelList.count(); modelIndex++)
-        if (categoryIndex < d->modelList[modelIndex]->categoryCount())
-            return modelIndex;
-        else
-            categoryIndex -= d->modelList[modelIndex]->categoryCount();
-
-    return modelCount()-1;
-}
-
-int TimelineModelAggregator::correctedCategoryIndexForModel(int modelIndex, int absoluteCategoryIndex) const
-{
-    int categoryIndex = absoluteCategoryIndex;
-    for (int mi = 0; mi < modelIndex; mi++)
-        categoryIndex -= d->modelList[mi]->categoryCount();
-    return categoryIndex;
 }
 
 int TimelineModelAggregator::findFirstIndex(int modelIndex, qint64 startTime) const
@@ -228,11 +180,6 @@ int TimelineModelAggregator::getEventType(int modelIndex, int index) const
     return d->modelList[modelIndex]->getEventType(index);
 }
 
-int TimelineModelAggregator::getEventCategoryInModel(int modelIndex, int index) const
-{
-    return d->modelList[modelIndex]->getEventCategory(index);
-}
-
 int TimelineModelAggregator::getEventRow(int modelIndex, int index) const
 {
     return d->modelList[modelIndex]->getEventRow(index);
@@ -273,9 +220,9 @@ float TimelineModelAggregator::getHeight(int modelIndex, int index) const
     return d->modelList[modelIndex]->getHeight(index);
 }
 
-const QVariantList TimelineModelAggregator::getLabelsForCategory(int modelIndex, int category) const
+const QVariantList TimelineModelAggregator::getLabels(int modelIndex) const
 {
-    return d->modelList[modelIndex]->getLabelsForCategory(category);
+    return d->modelList[modelIndex]->getLabels();
 }
 
 const QVariantList TimelineModelAggregator::getEventDetails(int modelIndex, int index) const

src/plugins/qmlprofiler/timelinemodelaggregator.h

@@ -46,9 +46,6 @@ public:
     void setModelManager(QmlProfilerModelManager *modelManager);
     void addModel(AbstractTimelineModel *m);
 
-
-    Q_INVOKABLE int categoryCount() const;
-    Q_INVOKABLE int visibleCategories() const;
     Q_INVOKABLE QStringList categoryTitles() const;
     Q_INVOKABLE int count(int modelIndex = -1) const;
     void clear();
@@ -65,19 +62,16 @@ public:
 
     Q_INVOKABLE qint64 lastTimeMark() const;
 
-    Q_INVOKABLE bool expanded(int modelIndex, int category) const;
+    Q_INVOKABLE bool expanded(int modelIndex) const;
-    Q_INVOKABLE void setExpanded(int modelIndex, int category, bool expanded);
+    Q_INVOKABLE void setExpanded(int modelIndex, bool expanded);
-    Q_INVOKABLE int categoryDepth(int modelIndex, int categoryIndex) const;
-    Q_INVOKABLE int categoryCount(int modelIndex) const;
     Q_INVOKABLE int rowCount(int modelIndex) const;
-    Q_INVOKABLE const QString categoryLabel(int modelIndex, int categoryIndex) const;
+    Q_INVOKABLE const QString title(int modelIndex) const;
 
     int findFirstIndex(int modelIndex, qint64 startTime) const;
     int findFirstIndexNoParents(int modelIndex, qint64 startTime) const;
     int findLastIndex(int modelIndex, qint64 endTime) const;
 
     int getEventType(int modelIndex, int index) const;
-    Q_INVOKABLE int getEventCategoryInModel(int modelIndex, int index) const;
     int getEventRow(int modelIndex, int index) const;
     Q_INVOKABLE qint64 getDuration(int modelIndex, int index) const;
     Q_INVOKABLE qint64 getStartTime(int modelIndex, int index) const;
@@ -87,7 +81,7 @@ public:
     Q_INVOKABLE QColor getColor(int modelIndex, int index) const;
     Q_INVOKABLE float getHeight(int modelIndex, int index) const;
 
-    Q_INVOKABLE const QVariantList getLabelsForCategory(int modelIndex, int category) const;
+    Q_INVOKABLE const QVariantList getLabels(int modelIndex) const;
 
     Q_INVOKABLE const QVariantList getEventDetails(int modelIndex, int index) const;
     Q_INVOKABLE const QVariantMap getEventLocation(int modelIndex, int index) const;
@@ -96,9 +90,6 @@ public:
     Q_INVOKABLE int getEventIdForLocation(int modelIndex, const QString &filename, int line,
                                           int column) const;
 
-    Q_INVOKABLE int modelIndexForCategory(int absoluteCategoryIndex) const;
-    Q_INVOKABLE int correctedCategoryIndexForModel(int modelIndex, int absoluteCategoryIndex) const;
-
 signals:
     void dataAvailable();
     void stateChanged();