diff --git a/src/plugins/qmlprofiler/abstracttimelinemodel.cpp b/src/plugins/qmlprofiler/abstracttimelinemodel.cpp
index 4449f1f2456..38251620c5e 100644
--- a/src/plugins/qmlprofiler/abstracttimelinemodel.cpp
+++ b/src/plugins/qmlprofiler/abstracttimelinemodel.cpp
@@ -28,21 +28,33 @@
 ****************************************************************************/
 
 #include "abstracttimelinemodel.h"
+#include "abstracttimelinemodel_p.h"
 
 namespace QmlProfiler {
 
-AbstractTimelineModel::AbstractTimelineModel(const QString &name, QObject *parent) :
-    QObject(parent), m_name(name), m_modelManager(0)
-{}
+AbstractTimelineModel::AbstractTimelineModel(AbstractTimelineModelPrivate *dd, const QString &name,
+                                             QObject *parent) :
+    QObject(parent), d_ptr(dd)
+{
+    Q_D(AbstractTimelineModel);
+    d->q_ptr = this;
+    d->name = name;
+    d->modelId = 0;
+    d->modelManager = 0;
+}
 
 AbstractTimelineModel::~AbstractTimelineModel()
-{}
+{
+    Q_D(AbstractTimelineModel);
+    delete d;
+}
 
 void AbstractTimelineModel::setModelManager(QmlProfilerModelManager *modelManager)
 {
-    m_modelManager = modelManager;
-    connect(modelManager->simpleModel(),SIGNAL(changed()),this,SLOT(dataChanged()));
-    m_modelId = modelManager->registerModelProxy();
+    Q_D(AbstractTimelineModel);
+    d->modelManager = modelManager;
+    connect(d->modelManager->simpleModel(),SIGNAL(changed()),this,SLOT(dataChanged()));
+    d->modelId = d->modelManager->registerModelProxy();
 }
 
 QStringList AbstractTimelineModel::categoryTitles() const
@@ -55,7 +67,56 @@ QStringList AbstractTimelineModel::categoryTitles() const
 
 QString AbstractTimelineModel::name() const
 {
-    return m_name;
+    Q_D(const AbstractTimelineModel);
+    return d->name;
+}
+
+int AbstractTimelineModel::count() const
+{
+    Q_D(const AbstractTimelineModel);
+    return d->count();
+}
+
+qint64 AbstractTimelineModel::lastTimeMark() const
+{
+    Q_D(const AbstractTimelineModel);
+    return d->lastEndTime();
+}
+
+int AbstractTimelineModel::findFirstIndex(qint64 startTime) const
+{
+    Q_D(const AbstractTimelineModel);
+    return d->findFirstIndex(startTime);
+}
+
+int AbstractTimelineModel::findFirstIndexNoParents(qint64 startTime) const
+{
+    Q_D(const AbstractTimelineModel);
+    return d->findFirstIndexNoParents(startTime);
+}
+
+int AbstractTimelineModel::findLastIndex(qint64 endTime) const
+{
+    Q_D(const AbstractTimelineModel);
+    return d->findLastIndex(endTime);
+}
+
+qint64 AbstractTimelineModel::getDuration(int index) const
+{
+    Q_D(const AbstractTimelineModel);
+    return d->duration(index);
+}
+
+qint64 AbstractTimelineModel::getStartTime(int index) const
+{
+    Q_D(const AbstractTimelineModel);
+    return d->startTime(index);
+}
+
+qint64 AbstractTimelineModel::getEndTime(int index) const
+{
+    Q_D(const AbstractTimelineModel);
+    return d->startTime(index) + d->duration(index);
 }
 
 bool AbstractTimelineModel::isEmpty() const
@@ -65,22 +126,47 @@ bool AbstractTimelineModel::isEmpty() const
 
 qint64 AbstractTimelineModel::traceStartTime() const
 {
-    return m_modelManager->traceTime()->startTime();
+    Q_D(const AbstractTimelineModel);
+    return d->modelManager->traceTime()->startTime();
 }
 
 qint64 AbstractTimelineModel::traceEndTime() const
 {
-    return m_modelManager->traceTime()->endTime();
+    Q_D(const AbstractTimelineModel);
+    return d->modelManager->traceTime()->endTime();
 }
 
 qint64 AbstractTimelineModel::traceDuration() const
 {
-    return m_modelManager->traceTime()->duration();
+    Q_D(const AbstractTimelineModel);
+    return d->modelManager->traceTime()->duration();
 }
 
 int AbstractTimelineModel::getState() const
 {
-    return (int)m_modelManager->state();
+    Q_D(const AbstractTimelineModel);
+    return (int)d->modelManager->state();
+}
+
+const QVariantMap AbstractTimelineModel::getEventLocation(int index) const
+{
+    Q_UNUSED(index);
+    QVariantMap map;
+    return map;
+}
+
+int AbstractTimelineModel::getEventIdForHash(const QString &eventHash) const
+{
+    Q_UNUSED(eventHash);
+    return -1;
+}
+
+int AbstractTimelineModel::getEventIdForLocation(const QString &filename, int line, int column) const
+{
+    Q_UNUSED(filename);
+    Q_UNUSED(line);
+    Q_UNUSED(column);
+    return -1;
 }
 
 int AbstractTimelineModel::rowCount() const
@@ -97,9 +183,16 @@ int AbstractTimelineModel::getBindingLoopDest(int index) const
     return -1;
 }
 
+float AbstractTimelineModel::getHeight(int index) const
+{
+    Q_UNUSED(index);
+    return 1.0f;
+}
+
 void AbstractTimelineModel::dataChanged()
 {
-    switch (m_modelManager->state()) {
+    Q_D(AbstractTimelineModel);
+    switch (d->modelManager->state()) {
     case QmlProfilerDataState::ProcessingData:
         loadData();
         break;
diff --git a/src/plugins/qmlprofiler/abstracttimelinemodel.h b/src/plugins/qmlprofiler/abstracttimelinemodel.h
index 9414378cd4b..99d95ea8609 100644
--- a/src/plugins/qmlprofiler/abstracttimelinemodel.h
+++ b/src/plugins/qmlprofiler/abstracttimelinemodel.h
@@ -45,59 +45,54 @@ class QMLPROFILER_EXPORT AbstractTimelineModel : public QObject
     Q_OBJECT
 
 public:
-    explicit AbstractTimelineModel(const QString &name, QObject *parent = 0);
+    class AbstractTimelineModelPrivate;
     ~AbstractTimelineModel();
 
+    // Trivial methods implemented by the abstract model itself
     void setModelManager(QmlProfilerModelManager *modelManager);
-
     QStringList categoryTitles() const;
     QString name() const;
-    virtual int count() const = 0;
-
     bool isEmpty() const;
 
-    virtual bool eventAccepted(const QmlProfilerSimpleModel::QmlEventData &event) const = 0;
-
-    Q_INVOKABLE virtual qint64 lastTimeMark() const = 0;
+    // Methods are directly passed on to the private model and relying on its virtual methods.
+    Q_INVOKABLE qint64 lastTimeMark() const;
     Q_INVOKABLE qint64 traceStartTime() const;
     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;
+    int findFirstIndex(qint64 startTime) const;
+    int findFirstIndexNoParents(qint64 startTime) const;
+    int findLastIndex(qint64 endTime) const;
+    int count() const;
 
+    // Methods that have to be implemented by child models
     Q_INVOKABLE virtual bool expanded(int category) const = 0;
     Q_INVOKABLE virtual void setExpanded(int category, bool expanded) = 0;
     Q_INVOKABLE virtual int categoryDepth(int categoryIndex) const = 0;
     Q_INVOKABLE virtual int categoryCount() const = 0;
-    Q_INVOKABLE virtual int rowCount() const;
     Q_INVOKABLE virtual const QString categoryLabel(int categoryIndex) const = 0;
-
-    virtual int findFirstIndex(qint64 startTime) const = 0;
-    virtual int findFirstIndexNoParents(qint64 startTime) const = 0;
-    virtual int findLastIndex(qint64 endTime) 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;
+    Q_INVOKABLE virtual const QVariantList getEventDetails(int index) const = 0;
+    virtual bool eventAccepted(const QmlProfilerSimpleModel::QmlEventData &event) 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;
 
-    Q_INVOKABLE virtual qint64 getDuration(int index) const = 0;
-    Q_INVOKABLE virtual qint64 getStartTime(int index) const = 0;
-    Q_INVOKABLE virtual qint64 getEndTime(int index) const = 0;
-    Q_INVOKABLE virtual int getEventId(int index) const = 0;
-    Q_INVOKABLE virtual int getBindingLoopDest(int index) const;
-    Q_INVOKABLE virtual QColor getColor(int index) const = 0;
-    Q_INVOKABLE virtual float getHeight(int index) const = 0;
-
-    Q_INVOKABLE virtual const QVariantList getLabelsForCategory(int category) const = 0;
-
-    Q_INVOKABLE virtual const QVariantList getEventDetails(int index) const = 0;
-
+    // Methods which can optionally be implemented by child models.
     // returned map should contain "file", "line", "column" properties, or be empty
-    Q_INVOKABLE virtual const QVariantMap getEventLocation(int index) const = 0;
-    Q_INVOKABLE virtual int getEventIdForHash(const QString &eventHash) const = 0;
-    Q_INVOKABLE virtual int getEventIdForLocation(const QString &filename, int line, int column) const = 0;
+    Q_INVOKABLE virtual const QVariantMap getEventLocation(int index) const;
+    Q_INVOKABLE virtual int getEventIdForHash(const QString &eventHash) const;
+    Q_INVOKABLE virtual int getEventIdForLocation(const QString &filename, int line, int column) const;
+    Q_INVOKABLE virtual int getBindingLoopDest(int index) const;
+    Q_INVOKABLE virtual float getHeight(int index) const;
 
 signals:
     void dataAvailable();
@@ -106,12 +101,15 @@ signals:
     void expandedChanged();
 
 protected:
-    QString m_name;
-    QmlProfilerModelManager *m_modelManager;
-    int m_modelId;
+    explicit AbstractTimelineModel(AbstractTimelineModelPrivate *dd, const QString &name,
+                                   QObject *parent = 0);
+    AbstractTimelineModelPrivate *d_ptr;
 
 protected slots:
     void dataChanged();
+
+private:
+    Q_DECLARE_PRIVATE(AbstractTimelineModel)
 };
 
 }
diff --git a/src/plugins/qmlprofiler/abstracttimelinemodel_p.h b/src/plugins/qmlprofiler/abstracttimelinemodel_p.h
new file mode 100644
index 00000000000..4ef663ad1c0
--- /dev/null
+++ b/src/plugins/qmlprofiler/abstracttimelinemodel_p.h
@@ -0,0 +1,62 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef ABSTRACTTIMELINEMODEL_P_H
+#define ABSTRACTTIMELINEMODEL_P_H
+
+#include "abstracttimelinemodel.h"
+
+namespace QmlProfiler {
+
+class QMLPROFILER_EXPORT AbstractTimelineModel::AbstractTimelineModelPrivate {
+public:
+    virtual ~AbstractTimelineModelPrivate() {}
+
+    virtual int count() const = 0;
+    virtual qint64 duration(int index) const = 0;
+    virtual qint64 startTime(int index) const = 0;
+    virtual qint64 lastEndTime() const = 0;
+    virtual qint64 firstStartTime() const = 0;
+    virtual int findFirstIndex(qint64 startTime) const = 0;
+    virtual int findFirstIndexNoParents(qint64 startTime) const = 0;
+    virtual int findLastIndex(qint64 endTime) const = 0;
+
+    QString name;
+    QmlProfilerModelManager *modelManager;
+    int modelId;
+
+protected:
+    AbstractTimelineModel *q_ptr;
+
+private:
+    Q_DECLARE_PUBLIC(AbstractTimelineModel)
+};
+
+}
+#endif // ABSTRACTTIMELINEMODEL_P_H
diff --git a/src/plugins/qmlprofiler/qmlprofiler.pro b/src/plugins/qmlprofiler/qmlprofiler.pro
index 3b5d8d54922..34f8bc9b5f6 100644
--- a/src/plugins/qmlprofiler/qmlprofiler.pro
+++ b/src/plugins/qmlprofiler/qmlprofiler.pro
@@ -32,7 +32,8 @@ SOURCES += \
     timelinemodelaggregator.cpp \
     qmlprofilerpainteventsmodelproxy.cpp \
     sortedtimelinemodel.cpp \
-    qmlprofilerbasemodel.cpp
+    qmlprofilerbasemodel.cpp \
+    singlecategorytimelinemodel.cpp
 
 HEADERS += \
     qmlprofilerconstants.h \
@@ -65,7 +66,10 @@ HEADERS += \
     timelinemodelaggregator.h \
     qmlprofilerpainteventsmodelproxy.h \
     sortedtimelinemodel.h \
-    qmlprofilerbasemodel.h
+    qmlprofilerbasemodel.h \
+    abstracttimelinemodel_p.h \
+    singlecategorytimelinemodel.h \
+    singlecategorytimelinemodel_p.h
 
 RESOURCES += \
     qml/qmlprofiler.qrc
diff --git a/src/plugins/qmlprofiler/qmlprofiler.qbs b/src/plugins/qmlprofiler/qmlprofiler.qbs
index 40fcc0354ef..364e56f3cc2 100644
--- a/src/plugins/qmlprofiler/qmlprofiler.qbs
+++ b/src/plugins/qmlprofiler/qmlprofiler.qbs
@@ -24,7 +24,7 @@ QtcPlugin {
         name: "General"
         files: [
             "abstractqmlprofilerrunner.h",
-            "abstracttimelinemodel.h", "abstracttimelinemodel.cpp",
+            "abstracttimelinemodel.h", "abstracttimelinemodel_p.h", "abstracttimelinemodel.cpp",
             "localqmlprofilerrunner.cpp", "localqmlprofilerrunner.h",
             "qmlprofiler_global.h",
             "qmlprofilerattachdialog.cpp", "qmlprofilerattachdialog.h",
@@ -51,6 +51,8 @@ QtcPlugin {
             "qmlprofilerviewmanager.cpp", "qmlprofilerviewmanager.h",
             "qv8profilerdatamodel.cpp", "qv8profilerdatamodel.h",
             "qv8profilereventview.h", "qv8profilereventview.cpp",
+            "singlecategorytimelinemodel.h", "singlecategorytimelinemodel_p.h",
+            "singlecategorytimelinemodel.cpp",
             "sortedtimelinemodel.h", "sortedtimelinemodel.cpp",
             "timelinemodelaggregator.cpp", "timelinemodelaggregator.h",
             "timelinerenderer.cpp", "timelinerenderer.h",
diff --git a/src/plugins/qmlprofiler/qmlprofilerpainteventsmodelproxy.cpp b/src/plugins/qmlprofiler/qmlprofilerpainteventsmodelproxy.cpp
index 2c2a9c048b9..96478bcfde5 100644
--- a/src/plugins/qmlprofiler/qmlprofilerpainteventsmodelproxy.cpp
+++ b/src/plugins/qmlprofiler/qmlprofilerpainteventsmodelproxy.cpp
@@ -31,6 +31,7 @@
 #include "qmlprofilermodelmanager.h"
 #include "qmlprofilersimplemodel.h"
 #include "sortedtimelinemodel.h"
+#include "singlecategorytimelinemodel_p.h"
 #include <QCoreApplication>
 
 #include <QVector>
@@ -50,52 +51,51 @@ struct CategorySpan {
     int contractedRows;
 };
 
-class PaintEventsModelProxy::PaintEventsModelProxyPrivate : public SortedTimelineModel<QmlPaintEventData>
+class PaintEventsModelProxy::PaintEventsModelProxyPrivate :
+        public SortedTimelineModel<QmlPaintEventData,
+                                   SingleCategoryTimelineModel::SingleCategoryTimelineModelPrivate>
 {
 public:
-    PaintEventsModelProxyPrivate(PaintEventsModelProxy *qq) : q(qq) {}
-    ~PaintEventsModelProxyPrivate() {}
-
     void computeAnimationCountLimit();
 
     int minAnimationCount;
     int maxAnimationCount;
-    bool expanded;
     bool seenForeignPaintEvent;
 
-    PaintEventsModelProxy *q;
+private:
+    Q_DECLARE_PUBLIC(PaintEventsModelProxy)
 };
 
 PaintEventsModelProxy::PaintEventsModelProxy(QObject *parent)
-    : AbstractTimelineModel(QLatin1String("PaintEventsModelProxy"), parent),
-      d(new PaintEventsModelProxyPrivate(this))
+    : SingleCategoryTimelineModel(new PaintEventsModelProxyPrivate,
+                                  QLatin1String("PaintEventsModelProxy"), tr("Painting"),
+                                  QmlDebug::Painting, parent)
 {
 }
 
-PaintEventsModelProxy::~PaintEventsModelProxy()
-{
-    delete d;
-}
 
 void PaintEventsModelProxy::clear()
 {
+    Q_D(PaintEventsModelProxy);
     d->SortedTimelineModel::clear();
     d->minAnimationCount = 1;
     d->maxAnimationCount = 1;
     d->expanded = false;
     d->seenForeignPaintEvent = false;
-    m_modelManager->modelProxyCountUpdated(m_modelId, 0, 1);
+    d->modelManager->modelProxyCountUpdated(d->modelId, 0, 1);
 }
 
 bool PaintEventsModelProxy::eventAccepted(const QmlProfilerSimpleModel::QmlEventData &event) const
 {
-    return (event.eventType == QmlDebug::Painting && event.bindingType == QmlDebug::AnimationFrame);
+    return SingleCategoryTimelineModel::eventAccepted(event) &&
+            event.bindingType == QmlDebug::AnimationFrame;
 }
 
 void PaintEventsModelProxy::loadData()
 {
+    Q_D(PaintEventsModelProxy);
     clear();
-    QmlProfilerSimpleModel *simpleModel = m_modelManager->simpleModel();
+    QmlProfilerSimpleModel *simpleModel = d->modelManager->simpleModel();
     if (simpleModel->isEmpty())
         return;
 
@@ -133,41 +133,20 @@ void PaintEventsModelProxy::loadData()
 
         minNextStartTime = event.startTime + 1;
 
-        m_modelManager->modelProxyCountUpdated(m_modelId, d->count(), referenceList.count());
+        d->modelManager->modelProxyCountUpdated(d->modelId, d->count(), referenceList.count());
     }
 
     d->computeAnimationCountLimit();
     d->computeNesting();
 
-    m_modelManager->modelProxyCountUpdated(m_modelId, 1, 1);
+    d->modelManager->modelProxyCountUpdated(d->modelId, 1, 1);
 }
 
 /////////////////// QML interface
 
-int PaintEventsModelProxy::count() const
-{
-    return d->count();
-}
-
-qint64 PaintEventsModelProxy::lastTimeMark() const
-{
-    return d->lastEndTime();
-}
-
-bool PaintEventsModelProxy::expanded(int ) const
-{
-    return d->expanded;
-}
-
-void PaintEventsModelProxy::setExpanded(int category, bool expanded)
-{
-    Q_UNUSED(category);
-    d->expanded = expanded;
-    emit expandedChanged();
-}
-
 int PaintEventsModelProxy::categoryDepth(int categoryIndex) const
 {
+    Q_D(const PaintEventsModelProxy);
     Q_UNUSED(categoryIndex);
     if (isEmpty())
         return d->seenForeignPaintEvent ? 0 : 1;
@@ -175,67 +154,12 @@ int PaintEventsModelProxy::categoryDepth(int categoryIndex) const
         return 2;
 }
 
-int PaintEventsModelProxy::categoryCount() const
-{
-    return 1;
-}
-
-const QString PaintEventsModelProxy::categoryLabel(int categoryIndex) const
-{
-    Q_UNUSED(categoryIndex);
-    return tr("Painting");
-}
-
-
-int PaintEventsModelProxy::findFirstIndex(qint64 startTime) const
-{
-    return d->findFirstIndex(startTime);
-}
-
-int PaintEventsModelProxy::findFirstIndexNoParents(qint64 startTime) const
-{
-    return d->findFirstIndexNoParents(startTime);
-}
-
-int PaintEventsModelProxy::findLastIndex(qint64 endTime) const
-{
-    return d->findLastIndex(endTime);
-}
-
-int PaintEventsModelProxy::getEventType(int index) const
-{
-    Q_UNUSED(index);
-    return (int)QmlDebug::Painting;
-}
-
-int PaintEventsModelProxy::getEventCategory(int index) const
-{
-    Q_UNUSED(index);
-    // there is only one category, all events belong to it
-    return 0;
-}
-
 int PaintEventsModelProxy::getEventRow(int index) const
 {
     Q_UNUSED(index);
     return 1;
 }
 
-qint64 PaintEventsModelProxy::getDuration(int index) const
-{
-    return d->range(index).duration;
-}
-
-qint64 PaintEventsModelProxy::getStartTime(int index) const
-{
-    return d->range(index).start;
-}
-
-qint64 PaintEventsModelProxy::getEndTime(int index) const
-{
-    return d->range(index).start + d->range(index).duration;
-}
-
 int PaintEventsModelProxy::getEventId(int index) const
 {
     // there is only one event Id for all painting events
@@ -245,6 +169,7 @@ int PaintEventsModelProxy::getEventId(int index) const
 
 QColor PaintEventsModelProxy::getColor(int index) const
 {
+    Q_D(const PaintEventsModelProxy);
     double fpsFraction = d->range(index).framerate / 60.0;
     if (fpsFraction > 1.0)
         fpsFraction = 1.0;
@@ -255,6 +180,7 @@ QColor PaintEventsModelProxy::getColor(int index) const
 
 float PaintEventsModelProxy::getHeight(int index) const
 {
+    Q_D(const PaintEventsModelProxy);
     float scale = d->maxAnimationCount - d->minAnimationCount;
     float fraction = 1.0f;
     if (scale > 1)
@@ -297,6 +223,7 @@ void PaintEventsModelProxy::PaintEventsModelProxyPrivate::computeAnimationCountL
 
 const QVariantList PaintEventsModelProxy::getEventDetails(int index) const
 {
+    Q_D(const PaintEventsModelProxy);
     QVariantList result;
 //    int eventId = getEventId(index);
 
@@ -332,24 +259,5 @@ const QVariantList PaintEventsModelProxy::getEventDetails(int index) const
     return result;
 }
 
-const QVariantMap PaintEventsModelProxy::getEventLocation(int /*index*/) const
-{
-    QVariantMap map;
-    return map;
-}
-
-int PaintEventsModelProxy::getEventIdForHash(const QString &/*eventHash*/) const
-{
-    // paint events do not have an eventHash
-    return -1;
-}
-
-int PaintEventsModelProxy::getEventIdForLocation(const QString &/*filename*/, int /*line*/, int /*column*/) const
-{
-    // paint events do not have a defined location
-    return -1;
-}
-
 }
 }
-
diff --git a/src/plugins/qmlprofiler/qmlprofilerpainteventsmodelproxy.h b/src/plugins/qmlprofiler/qmlprofilerpainteventsmodelproxy.h
index a9671c2abc0..fcff44826de 100644
--- a/src/plugins/qmlprofiler/qmlprofilerpainteventsmodelproxy.h
+++ b/src/plugins/qmlprofiler/qmlprofilerpainteventsmodelproxy.h
@@ -32,7 +32,7 @@
 #define QMLPROFILERPAINTEVENTSMODELPROXY_H
 
 #include <QObject>
-#include "abstracttimelinemodel.h"
+#include "singlecategorytimelinemodel.h"
 #include <qmldebug/qmlprofilereventtypes.h>
 #include <qmldebug/qmlprofilereventlocation.h>
 //#include <QHash>
@@ -48,7 +48,7 @@ class QmlProfilerModelManager;
 
 namespace Internal {
 
-class PaintEventsModelProxy : public AbstractTimelineModel
+class PaintEventsModelProxy : public SingleCategoryTimelineModel
 {
 //    Q_PROPERTY(bool empty READ isEmpty NOTIFY emptyChanged)
 
@@ -61,47 +61,26 @@ public:
     };
 
     PaintEventsModelProxy(QObject *parent = 0);
-    ~PaintEventsModelProxy();
 
     void loadData();
-    Q_INVOKABLE int count() const;
     void clear();
 
-    Q_INVOKABLE qint64 lastTimeMark() const;
-
-    Q_INVOKABLE bool expanded(int category) const;
-    Q_INVOKABLE void setExpanded(int category, bool expanded);
     Q_INVOKABLE int categoryDepth(int categoryIndex) const;
-    Q_INVOKABLE int categoryCount() const;
-    Q_INVOKABLE const QString categoryLabel(int categoryIndex) const;
-
-    int findFirstIndex(qint64 startTime) const;
-    int findFirstIndexNoParents(qint64 startTime) const;
-    int findLastIndex(qint64 endTime) const;
-
-    int getEventType(int index) const;
-    Q_INVOKABLE int getEventCategory(int index) const;
-    int getEventRow(int index) const;
-    Q_INVOKABLE qint64 getDuration(int index) const;
-    Q_INVOKABLE qint64 getStartTime(int index) const;
-    Q_INVOKABLE qint64 getEndTime(int index) 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 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 QmlProfilerSimpleModel::QmlEventData &event) const;
 
 private:
     class PaintEventsModelProxyPrivate;
-    PaintEventsModelProxyPrivate *d;
-
+    Q_DECLARE_PRIVATE(PaintEventsModelProxy)
 };
 
 }
diff --git a/src/plugins/qmlprofiler/qmlprofilertimelinemodelproxy.cpp b/src/plugins/qmlprofiler/qmlprofilertimelinemodelproxy.cpp
index 2aadbeb453d..99eaaa5ba6e 100644
--- a/src/plugins/qmlprofiler/qmlprofilertimelinemodelproxy.cpp
+++ b/src/plugins/qmlprofiler/qmlprofilertimelinemodelproxy.cpp
@@ -54,9 +54,6 @@ struct CategorySpan {
 class BasicTimelineModel::BasicTimelineModelPrivate : public SortedTimelineModel<BasicTimelineModel::QmlRangeEventStartInstance>
 {
 public:
-    BasicTimelineModelPrivate(BasicTimelineModel *qq) : q(qq) {}
-    ~BasicTimelineModelPrivate() {}
-
     // convenience functions
     void prepare();
     void computeNestingContracted();
@@ -68,30 +65,26 @@ public:
     QVector <QString> eventHashes;
     QVector <CategorySpan> categorySpan;
     bool seenPaintEvent;
-
-    BasicTimelineModel *q;
+private:
+    Q_DECLARE_PUBLIC(BasicTimelineModel)
 };
 
 BasicTimelineModel::BasicTimelineModel(QObject *parent)
-    : AbstractTimelineModel(QLatin1String("BasicTimelineModel"), parent),
-      d(new BasicTimelineModelPrivate(this))
+    : AbstractTimelineModel(new BasicTimelineModelPrivate, QLatin1String("BasicTimelineModel"),
+                            parent)
 {
 }
 
-BasicTimelineModel::~BasicTimelineModel()
-{
-    delete d;
-}
-
 void BasicTimelineModel::clear()
 {
+    Q_D(BasicTimelineModel);
     d->SortedTimelineModel::clear();
     d->eventDict.clear();
     d->eventHashes.clear();
     d->categorySpan.clear();
     d->seenPaintEvent = false;
 
-    m_modelManager->modelProxyCountUpdated(m_modelId, 0, 1);
+    d->modelManager->modelProxyCountUpdated(d->modelId, 0, 1);
 }
 
 void BasicTimelineModel::BasicTimelineModelPrivate::prepare()
@@ -114,8 +107,9 @@ bool BasicTimelineModel::eventAccepted(const QmlProfilerSimpleModel::QmlEventDat
 
 void BasicTimelineModel::loadData()
 {
+    Q_D(BasicTimelineModel);
     clear();
-    QmlProfilerSimpleModel *simpleModel = m_modelManager->simpleModel();
+    QmlProfilerSimpleModel *simpleModel = d->modelManager->simpleModel();
     if (simpleModel->isEmpty())
         return;
 
@@ -149,10 +143,10 @@ void BasicTimelineModel::loadData()
         // store starttime-based instance
         d->insert(event.startTime, event.duration, QmlRangeEventStartInstance(d->eventHashes.indexOf(eventHash)));
 
-        m_modelManager->modelProxyCountUpdated(m_modelId, d->count(), eventList.count() * 6);
+        d->modelManager->modelProxyCountUpdated(d->modelId, d->count(), eventList.count() * 6);
     }
 
-    m_modelManager->modelProxyCountUpdated(m_modelId, 2, 6);
+    d->modelManager->modelProxyCountUpdated(d->modelId, 2, 6);
 
     // compute range nesting
     d->computeNesting();
@@ -160,25 +154,26 @@ void BasicTimelineModel::loadData()
     // compute nestingLevel - nonexpanded
     d->computeNestingContracted();
 
-    m_modelManager->modelProxyCountUpdated(m_modelId, 3, 6);
+    d->modelManager->modelProxyCountUpdated(d->modelId, 3, 6);
 
     // compute nestingLevel - expanded
     d->computeExpandedLevels();
 
-    m_modelManager->modelProxyCountUpdated(m_modelId, 4, 6);
+    d->modelManager->modelProxyCountUpdated(d->modelId, 4, 6);
 
 
     d->findBindingLoops();
 
-    m_modelManager->modelProxyCountUpdated(m_modelId, 5, 6);
+    d->modelManager->modelProxyCountUpdated(d->modelId, 5, 6);
 
     d->computeRowStarts();
 
-    m_modelManager->modelProxyCountUpdated(m_modelId, 1, 1);
+    d->modelManager->modelProxyCountUpdated(d->modelId, 1, 1);
 }
 
 void BasicTimelineModel::BasicTimelineModelPrivate::computeNestingContracted()
 {
+    Q_Q(BasicTimelineModel);
     int i;
     int eventCount = count();
 
@@ -276,6 +271,7 @@ 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;
@@ -285,18 +281,9 @@ void BasicTimelineModel::BasicTimelineModelPrivate::computeRowStarts()
 
 /////////////////// QML interface
 
-int BasicTimelineModel::count() const
-{
-    return d->count();
-}
-
-qint64 BasicTimelineModel::lastTimeMark() const
-{
-    return d->lastEndTime();
-}
-
 bool BasicTimelineModel::expanded(int category) const
 {
+    Q_D(const BasicTimelineModel);
     if (d->categorySpan.count() <= category)
         return false;
     return d->categorySpan[category].expanded;
@@ -304,6 +291,7 @@ bool BasicTimelineModel::expanded(int category) const
 
 void BasicTimelineModel::setExpanded(int category, bool expanded)
 {
+    Q_D(BasicTimelineModel);
     if (d->categorySpan.count() <= category)
         return;
 
@@ -314,6 +302,7 @@ void BasicTimelineModel::setExpanded(int category, bool expanded)
 
 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)
         return 0;
@@ -343,29 +332,15 @@ const QString BasicTimelineModel::categoryLabel(int categoryIndex) const
     }
 }
 
-
-int BasicTimelineModel::findFirstIndex(qint64 startTime) const
-{
-    return d->findFirstIndex(startTime);
-}
-
-int BasicTimelineModel::findFirstIndexNoParents(qint64 startTime) const
-{
-    return d->findFirstIndexNoParents(startTime);
-}
-
-int BasicTimelineModel::findLastIndex(qint64 endTime) const
-{
-    return d->findLastIndex(endTime);
-}
-
 int BasicTimelineModel::getEventType(int index) const
 {
+    Q_D(const BasicTimelineModel);
     return d->eventDict[d->range(index).eventId].eventType;
 }
 
 int BasicTimelineModel::getEventCategory(int index) const
 {
+    Q_D(const BasicTimelineModel);
     int evTy = getEventType(index);
     // special: paint events shown?
     if (!d->seenPaintEvent)
@@ -375,34 +350,22 @@ int BasicTimelineModel::getEventCategory(int index) const
 
 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;
 }
 
-qint64 BasicTimelineModel::getDuration(int index) const
-{
-    return d->range(index).duration;
-}
-
-qint64 BasicTimelineModel::getStartTime(int index) const
-{
-    return d->range(index).start;
-}
-
-qint64 BasicTimelineModel::getEndTime(int index) const
-{
-    return d->range(index).start + d->range(index).duration;
-}
-
 int BasicTimelineModel::getEventId(int index) const
 {
+    Q_D(const BasicTimelineModel);
     return d->range(index).eventId;
 }
 
 int BasicTimelineModel::getBindingLoopDest(int index) const
 {
+    Q_D(const BasicTimelineModel);
     return d->range(index).bindingLoopHead;
 }
 
@@ -412,15 +375,9 @@ QColor BasicTimelineModel::getColor(int index) const
     return QColor::fromHsl((ndx*25)%360, 76, 166);
 }
 
-float BasicTimelineModel::getHeight(int index) const
-{
-    Q_UNUSED(index);
-    // 100% height for regular events
-    return 1.0f;
-}
-
 const QVariantList BasicTimelineModel::getLabelsForCategory(int category) const
 {
+    Q_D(const BasicTimelineModel);
     QVariantList result;
 
     if (d->categorySpan.count() > category && d->categorySpan[category].expanded) {
@@ -441,6 +398,7 @@ const QVariantList BasicTimelineModel::getLabelsForCategory(int category) const
 
 const QVariantList BasicTimelineModel::getEventDetails(int index) const
 {
+    Q_D(const BasicTimelineModel);
     QVariantList result;
     int eventId = getEventId(index);
 
@@ -485,6 +443,7 @@ const QVariantList BasicTimelineModel::getEventDetails(int index) const
 
 const QVariantMap BasicTimelineModel::getEventLocation(int index) const
 {
+    Q_D(const BasicTimelineModel);
     QVariantMap result;
     int eventId = getEventId(index);
 
@@ -500,11 +459,13 @@ const QVariantMap BasicTimelineModel::getEventLocation(int index) const
 
 int BasicTimelineModel::getEventIdForHash(const QString &eventHash) const
 {
+    Q_D(const BasicTimelineModel);
     return d->eventHashes.indexOf(eventHash);
 }
 
 int BasicTimelineModel::getEventIdForLocation(const QString &filename, int line, int column) const
 {
+    Q_D(const BasicTimelineModel);
     // 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 &&
diff --git a/src/plugins/qmlprofiler/qmlprofilertimelinemodelproxy.h b/src/plugins/qmlprofiler/qmlprofilertimelinemodelproxy.h
index 4bdb69f75ce..d255c89d19e 100644
--- a/src/plugins/qmlprofiler/qmlprofilertimelinemodelproxy.h
+++ b/src/plugins/qmlprofiler/qmlprofilertimelinemodelproxy.h
@@ -80,15 +80,12 @@ public:
     };
 
     BasicTimelineModel(QObject *parent = 0);
-    ~BasicTimelineModel();
 
     void loadData();
-    Q_INVOKABLE int count() const;
     void clear();
 
 
 // QML interface
-    Q_INVOKABLE qint64 lastTimeMark() const;
 
     Q_INVOKABLE bool expanded(int category) const;
     Q_INVOKABLE void setExpanded(int category, bool expanded);
@@ -96,20 +93,12 @@ public:
     Q_INVOKABLE int categoryCount() const;
     Q_INVOKABLE const QString categoryLabel(int categoryIndex) const;
 
-    int findFirstIndex(qint64 startTime) const;
-    int findFirstIndexNoParents(qint64 startTime) const;
-    int findLastIndex(qint64 endTime) const;
-
     int getEventType(int index) const;
     int getEventCategory(int index) const;
     int getEventRow(int index) const;
-    Q_INVOKABLE qint64 getDuration(int index) const;
-    Q_INVOKABLE qint64 getStartTime(int index) const;
-    Q_INVOKABLE qint64 getEndTime(int index) const;
     Q_INVOKABLE int getEventId(int index) const;
     int getBindingLoopDest(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 getEventDetails(int index) const;
@@ -123,8 +112,7 @@ private slots:
 
 private:
     class BasicTimelineModelPrivate;
-    BasicTimelineModelPrivate *d;
-
+    Q_DECLARE_PRIVATE(BasicTimelineModel)
 };
 
 }
diff --git a/src/plugins/qmlprofiler/singlecategorytimelinemodel.cpp b/src/plugins/qmlprofiler/singlecategorytimelinemodel.cpp
new file mode 100644
index 00000000000..604e299cc78
--- /dev/null
+++ b/src/plugins/qmlprofiler/singlecategorytimelinemodel.cpp
@@ -0,0 +1,96 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "singlecategorytimelinemodel.h"
+#include "singlecategorytimelinemodel_p.h"
+
+namespace QmlProfiler {
+
+SingleCategoryTimelineModel::SingleCategoryTimelineModel(SingleCategoryTimelineModelPrivate *dd,
+        const QString &name, const QString &label, QmlDebug::QmlEventType eventType,
+        QObject *parent) :
+    AbstractTimelineModel(dd, name, parent)
+{
+    Q_D(SingleCategoryTimelineModel);
+    d->expanded = false;
+    d->label = label;
+    d->eventType = eventType;
+}
+
+/////////////////// QML interface
+
+bool SingleCategoryTimelineModel::eventAccepted(const QmlProfilerSimpleModel::QmlEventData &event) const
+{
+    Q_D(const SingleCategoryTimelineModel);
+    return (event.eventType == d->eventType);
+}
+
+bool SingleCategoryTimelineModel::expanded(int categoryIndex) const
+{
+    Q_D(const SingleCategoryTimelineModel);
+    Q_UNUSED(categoryIndex);
+    return d->expanded;
+}
+
+void SingleCategoryTimelineModel::setExpanded(int categoryIndex, bool expanded)
+{
+    Q_D(SingleCategoryTimelineModel);
+    Q_UNUSED(categoryIndex);
+    if (expanded != d->expanded) {
+        d->expanded = expanded;
+        emit expandedChanged();
+    }
+}
+
+int SingleCategoryTimelineModel::categoryCount() const
+{
+    return 1;
+}
+
+const QString SingleCategoryTimelineModel::categoryLabel(int categoryIndex) const
+{
+    Q_D(const SingleCategoryTimelineModel);
+    Q_UNUSED(categoryIndex);
+    return d->label;
+}
+
+int SingleCategoryTimelineModel::getEventType(int index) const
+{
+    Q_D(const SingleCategoryTimelineModel);
+    Q_UNUSED(index);
+    return (int)d->eventType;
+}
+
+int SingleCategoryTimelineModel::getEventCategory(int index) const
+{
+    Q_UNUSED(index);
+    return 0;
+}
+
+}
diff --git a/src/plugins/qmlprofiler/singlecategorytimelinemodel.h b/src/plugins/qmlprofiler/singlecategorytimelinemodel.h
new file mode 100644
index 00000000000..e14ab7e818d
--- /dev/null
+++ b/src/plugins/qmlprofiler/singlecategorytimelinemodel.h
@@ -0,0 +1,62 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef SINGLECATEGORYTIMELINEMODEL_H
+#define SINGLECATEGORYTIMELINEMODEL_H
+
+#include <qmldebug/qmlprofilereventtypes.h>
+#include "abstracttimelinemodel.h"
+
+namespace QmlProfiler {
+
+class QMLPROFILER_EXPORT SingleCategoryTimelineModel : public AbstractTimelineModel
+{
+    Q_OBJECT
+public:
+    bool eventAccepted(const QmlProfilerSimpleModel::QmlEventData &event) const;
+    Q_INVOKABLE bool expanded(int) const;
+    Q_INVOKABLE void setExpanded(int, bool expanded);
+
+    Q_INVOKABLE int categoryCount() const;
+
+    int getEventType(int index) const;
+    Q_INVOKABLE int getEventCategory(int index) const;
+    Q_INVOKABLE const QString categoryLabel(int categoryIndex) const;
+
+protected:
+    class SingleCategoryTimelineModelPrivate;
+    SingleCategoryTimelineModel(SingleCategoryTimelineModelPrivate *dd, const QString &name,
+                                const QString &label, QmlDebug::QmlEventType eventType,
+                                QObject *parent);
+    Q_DECLARE_PRIVATE(SingleCategoryTimelineModel)
+};
+
+}
+
+#endif // SINGLECATEGORYTIMELINEMODEL_H
diff --git a/src/plugins/qmlprofiler/singlecategorytimelinemodel_p.h b/src/plugins/qmlprofiler/singlecategorytimelinemodel_p.h
new file mode 100644
index 00000000000..b0045c23522
--- /dev/null
+++ b/src/plugins/qmlprofiler/singlecategorytimelinemodel_p.h
@@ -0,0 +1,47 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef SINGLECATEGORYTIMELINEMODEL_P_H
+#define SINGLECATEGORYTIMELINEMODEL_P_H
+
+#include "singlecategorytimelinemodel.h"
+#include "abstracttimelinemodel_p.h"
+
+namespace QmlProfiler {
+
+class SingleCategoryTimelineModel::SingleCategoryTimelineModelPrivate :
+        public AbstractTimelineModel::AbstractTimelineModelPrivate {
+public:
+    bool expanded;
+    QString label;
+    QmlDebug::QmlEventType eventType;
+};
+}
+
+#endif // SINGLECATEGORYTIMELINEMODEL_P_H
diff --git a/src/plugins/qmlprofiler/sortedtimelinemodel.h b/src/plugins/qmlprofiler/sortedtimelinemodel.h
index 29a5697fd37..fb7ccb08dd6 100644
--- a/src/plugins/qmlprofiler/sortedtimelinemodel.h
+++ b/src/plugins/qmlprofiler/sortedtimelinemodel.h
@@ -30,13 +30,17 @@
 #ifndef SORTEDTIMELINEMODEL_H
 #define SORTEDTIMELINEMODEL_H
 
+#include "abstracttimelinemodel_p.h"
 #include <QVector>
 #include <QLinkedList>
 
 namespace QmlProfiler {
 
-template<class Data>
-class SortedTimelineModel {
+// The template has to be inserted into the hierarchy of public/private classes when Data is known.
+// Otherwise we'd have to add implementation details to the public headers. This is why the class to
+// be derived from is given as template parameter.
+template<class Data, class Base = AbstractTimelineModel::AbstractTimelineModelPrivate>
+class SortedTimelineModel : public Base {
 public:
     struct Range : public Data {
         Range() : Data(), start(-1), duration(-1), parent(-1) {}
@@ -65,10 +69,13 @@ public:
 
     inline int count() const { return ranges.count(); }
 
+    qint64 duration(int index) const { return range(index).duration; }
+    qint64 startTime(int index) const { return range(index).start; }
+
     inline qint64 lastEndTime() const { return endTimes.last().end; }
     inline qint64 firstStartTime() const { return ranges.first().start; }
 
-    inline const Range &range(int index) { return ranges[index]; }
+    inline const Range &range(int index) const { return ranges[index]; }
     inline Data &data(int index) { return ranges[index]; }
 
     inline int insert(qint64 startTime, qint64 duration, const Data &item)