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diff --git a/src/plugins/qmlprofilerextension/pixmapcachemodel.h b/src/plugins/qmlprofilerextension/pixmapcachemodel.h
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#ifndef PIXMAPCACHEMODEL_H
+#define PIXMAPCACHEMODEL_H
+
+#include "qmlprofiler/qmlprofilertimelinemodel.h"
+#include "qmlprofiler/qmlprofilerdatamodel.h"
+
+#include <QStringList>
+#include <QColor>
+#include <QSize>
+
+namespace QmlProfilerExtension {
+namespace Internal {
+
+class PixmapCacheModel : public QmlProfiler::QmlProfilerTimelineModel
+{
+    Q_OBJECT
+public:
+    enum CacheState {
+        Uncached,    // After loading started (or some other proof of existence) or after uncaching
+        ToBeCached,  // After determining the pixmap is to be cached but before knowing its size
+        Cached,      // After caching a pixmap or determining the size of a ToBeCached pixmap
+        Uncacheable, // If loading failed without ToBeCached or after a corrupt pixmap has been uncached
+        Corrupt      // If after ToBeCached we learn that loading failed
+    };
+
+    enum LoadState {
+        Initial,
+        Loading,
+        Finished,
+        Error
+    };
+
+    struct PixmapState {
+        PixmapState(int width, int height, CacheState cache = Uncached) :
+            size(width, height), started(-1), loadState(Initial), cacheState(cache) {}
+        PixmapState(CacheState cache = Uncached) : started(-1), loadState(Initial), cacheState(cache) {}
+        QSize size;
+        int started;
+        LoadState loadState;
+        CacheState cacheState;
+    };
+
+    struct Pixmap {
+        Pixmap() {}
+        Pixmap(const QString &url) : url(url), sizes(1) {}
+        QString url;
+        QVector<PixmapState> sizes;
+    };
+
+    enum PixmapEventType {
+        PixmapSizeKnown,
+        PixmapReferenceCountChanged,
+        PixmapCacheCountChanged,
+        PixmapLoadingStarted,
+        PixmapLoadingFinished,
+        PixmapLoadingError,
+
+        MaximumPixmapEventType
+    };
+
+    struct PixmapCacheEvent {
+        int typeId;
+        PixmapEventType pixmapEventType;
+        int urlIndex;
+        int sizeIndex;
+        int rowNumberCollapsed;
+        qint64 cacheSize;
+    };
+
+    PixmapCacheModel(QmlProfiler::QmlProfilerModelManager *manager, QObject *parent = 0);
+
+    int rowMaxValue(int rowNumber) const;
+
+    int expandedRow(int index) const;
+    int collapsedRow(int index) const;
+    int typeId(int index) const;
+    QColor color(int index) const;
+    float relativeHeight(int index) const;
+
+    QVariantList labels() const;
+
+    QVariantMap details(int index) const;
+
+protected:
+    void loadData();
+    void clear();
+
+private:
+    void computeMaxCacheSize();
+    void resizeUnfinishedLoads();
+    void flattenLoads();
+    int updateCacheCount(int lastCacheSizeEvent, qint64 startTime, qint64 pixSize,
+                         PixmapCacheEvent &newEvent, int typeId);
+
+    QVector<PixmapCacheEvent> m_data;
+    QVector<Pixmap> m_pixmaps;
+    qint64 m_maxCacheSize;
+
+    static const int s_pixmapCacheCountHue = 240;
+};
+
+} // namespace Internal
+} // namespace QmlProfilerExtension
+
+#endif // PIXMAPCACHEMODEL_H