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diff --git a/src/plugins/qmlprofiler/qmlprofilermodelmanager.h b/src/plugins/qmlprofiler/qmlprofilermodelmanager.h
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+/****************************************************************************
+**
+** Copyright (C) 2013 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 QMLPROFILERMODELMANAGER_H
+#define QMLPROFILERMODELMANAGER_H
+
+#include "qmlprofiler_global.h"
+
+#include <qmldebug/qmlprofilereventlocation.h>
+#include <utils/fileinprojectfinder.h>
+
+#include <QObject>
+
+namespace QmlProfiler {
+class QmlProfilerSimpleModel;
+class QmlProfilerModelManager;
+
+namespace Internal {
+
+class QV8ProfilerDataModel;
+class QmlProfilerDataState : public QObject
+{
+    Q_OBJECT
+public:
+    enum State {
+        Empty,
+        AcquiringData,
+        ProcessingData,
+        Done
+    };
+
+    explicit QmlProfilerDataState(QmlProfilerModelManager *modelManager, QObject *parent = 0);
+    ~QmlProfilerDataState() {}
+
+    State state() const { return m_state; }
+
+signals:
+    void stateChanged();
+    void error(const QString &error);
+
+private:
+    void setState(State state);
+    State m_state;
+    QmlProfilerModelManager *m_modelManager;
+
+    friend class QmlProfiler::QmlProfilerModelManager;
+};
+
+class QmlProfilerTraceTime : public QObject
+{
+    Q_OBJECT
+public:
+    explicit QmlProfilerTraceTime(QObject *parent);
+    ~QmlProfilerTraceTime();
+
+    qint64 startTime() const;
+    qint64 endTime() const;
+    qint64 duration() const;
+
+public slots:
+    void clear();
+    void setStartTime(qint64 time);
+    void setEndTime(qint64 time);
+
+private:
+    qint64 m_startTime;
+    qint64 m_endTime;
+};
+
+} // End internal namespace
+
+using namespace Internal;
+
+// Interface between the Data Model and the Engine/Tool
+class QMLPROFILER_EXPORT QmlProfilerModelManager : public QObject
+{
+    Q_OBJECT
+public:
+
+    explicit QmlProfilerModelManager(Utils::FileInProjectFinder *finder, QObject *parent = 0);
+    ~QmlProfilerModelManager();
+
+    QmlProfilerDataState::State state() const;
+    QmlProfilerTraceTime *traceTime() const;
+    QmlProfilerSimpleModel *simpleModel() const;
+    QV8ProfilerDataModel *v8Model() const;
+
+    bool isEmpty() const;
+    int count() const;
+
+    double progress() const;
+    int registerModelProxy();
+    void modelProxyCountUpdated(int proxyId, qint64 count, qint64 max);
+
+    qint64 estimatedProfilingTime() const;
+
+signals:
+    void countChanged();
+    void error(const QString &error);
+    void stateChanged();
+    void progressChanged();
+    void dataAvailable();
+
+    void requestDetailsForLocation(int eventType, const QmlDebug::QmlEventLocation &location);
+
+public slots:
+    void clear();
+
+    void prepareForWriting();
+    void addQmlEvent(int type, int bindingType, qint64 startTime, qint64 length,
+                        const QStringList &data, const QmlDebug::QmlEventLocation &location,
+                     qint64 ndata1, qint64 ndata2, qint64 ndata3, qint64 ndata4, qint64 ndata5);
+    void addV8Event(int depth, const QString &function,const QString &filename, int lineNumber,
+                    double totalTime, double selfTime);
+
+    void complete();
+
+    void save(const QString &filename);
+    void load(const QString &filename);
+    void setFilename(const QString &filename);
+    void load();
+
+    void newTimeEstimation(qint64 estimation);
+private:
+    void setState(QmlProfilerDataState::State state);
+
+
+private:
+    class QmlProfilerModelManagerPrivate;
+    QmlProfilerModelManagerPrivate *d;
+};
+
+}
+
+#endif