QmlProfiler: Add a binary trace format

Storing traces in binary form is preferable as loading and saving is
faster and the trace files are smaller.

Change-Id: Ia7340ac526d5ce9391b1e32fc48fc1fab3ffa13d
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>

1 files changed, 10 insertions, 8 deletions

diff --git a/src/plugins/qmlprofiler/qmlprofilertracefile.h b/src/plugins/qmlprofiler/qmlprofilertracefile.h
index a1c56b09092..937ec1de298 100644
--- a/src/plugins/qmlprofiler/qmlprofilertracefile.h
+++ b/src/plugins/qmlprofiler/qmlprofilertracefile.h
@@ -35,6 +35,7 @@
 #include <QVector>
 #include <QString>
 
+QT_FORWARD_DECLARE_CLASS(QFile)
 QT_FORWARD_DECLARE_CLASS(QIODevice)
 QT_FORWARD_DECLARE_CLASS(QXmlStreamReader)
 
@@ -50,17 +51,18 @@ public:
 
     void setFuture(QFutureInterface<void> *future);
 
-    bool load(QIODevice *device);
+    bool loadQtd(QIODevice *device);
+    bool loadQzt(QIODevice *device);
+
     quint64 loadedFeatures() const;
 
     qint64 traceStart() const { return m_traceStart; }
     qint64 traceEnd() const { return m_traceEnd; }
 
-    const QVector<QmlEventType> &eventTypes() const { return m_eventTypes; }
-    const QVector<QmlEvent> &events() const { return m_events; }
-    const QVector<QmlNote> &notes() const { return m_notes; }
-
 signals:
+    void typesLoaded(const QVector<QmlProfiler::QmlEventType> &types);
+    void notesLoaded(const QVector<QmlProfiler::QmlNote> &notes);
+    void qmlEventLoaded(const QmlProfiler::QmlEvent &event);
     void error(const QString &error);
     void success();
 
@@ -68,13 +70,12 @@ private:
     void loadEventTypes(QXmlStreamReader &reader);
     void loadEvents(QXmlStreamReader &reader);
     void loadNotes(QXmlStreamReader &reader);
-    void progress(QIODevice *device);
+    void updateProgress(QIODevice *device);
     bool isCanceled() const;
 
     qint64 m_traceStart, m_traceEnd;
     QFutureInterface<void> *m_future;
     QVector<QmlEventType> m_eventTypes;
-    QVector<QmlEvent> m_events;
     QVector<QmlNote> m_notes;
     quint64 m_loadedFeatures;
 };
@@ -92,7 +93,8 @@ public:
     void setNotes(const QVector<QmlNote> &notes);
     void setFuture(QFutureInterface<void> *future);
 
-    void save(QIODevice *device);
+    void saveQtd(QIODevice *device);
+    void saveQzt(QFile *file);
 
 private:
     void calculateMeasuredTime();