QmlProfiler: Refactor

The code of the qmlprofiler client has become a bit too complex,
this patch reorganizes the modules in a more sensible way,
having the modules communicate with each other through a
state machine instead of the excess of signals and slots
from before.

Change-Id: I76f7313779888a1bd07a1cdb1acbf2e47aacf42a
Reviewed-by: Kai Koehne <kai.koehne@nokia.com>

1 files changed, 79 insertions, 0 deletions

diff --git a/src/plugins/qmlprofiler/qv8profilerdatamodel.h b/src/plugins/qmlprofiler/qv8profilerdatamodel.h
new file mode 100644
index 0000000000..6441a24702
--- /dev/null
+++ b/src/plugins/qmlprofiler/qv8profilerdatamodel.h
@@ -0,0 +1,79 @@
+#ifndef QV8PROFILERDATAMODEL_H
+#define QV8PROFILERDATAMODEL_H
+
+#include <QObject>
+#include <QHash>
+
+#include <QXmlStreamReader>
+#include <QXmlStreamWriter>
+
+namespace QmlProfiler {
+namespace Internal {
+
+class QmlProfilerDataModel;
+struct QV8EventSub;
+
+struct QV8EventData
+{
+    QV8EventData();
+    ~QV8EventData();
+
+    QString displayName;
+    QString eventHashStr;
+    QString filename;
+    QString functionName;
+    int line;
+    double totalTime; // given in milliseconds
+    double totalPercent;
+    double selfTime;
+    double selfPercent;
+    QHash <QString, QV8EventSub *> parentHash;
+    QHash <QString, QV8EventSub *> childrenHash;
+    int eventId;
+
+    QV8EventData &operator=(const QV8EventData &ref);
+};
+
+struct QV8EventSub {
+    QV8EventSub(QV8EventData *from) : reference(from), totalTime(0) {}
+    QV8EventSub(QV8EventSub *from) : reference(from->reference), totalTime(from->totalTime) {}
+
+    QV8EventData *reference;
+    qint64 totalTime;
+};
+
+class QV8ProfilerDataModel : public QObject
+{
+    Q_OBJECT
+public:
+    explicit QV8ProfilerDataModel(QObject *parent, QmlProfilerDataModel *profilerDataModel);
+    ~QV8ProfilerDataModel();
+
+    void clear();
+    bool isEmpty() const;
+    QList<QV8EventData *> getV8Events() const;
+    QV8EventData *v8EventDescription(int eventId) const;
+
+    qint64 v8MeasuredTime() const;
+    void collectV8Statistics();
+
+    void save(QXmlStreamWriter &stream);
+    void load(QXmlStreamReader &stream);
+
+public slots:
+    void addV8Event(int depth,
+                    const QString &function,
+                    const QString &filename,
+                    int lineNumber,
+                    double totalTime,
+                    double selfTime);
+
+private:
+    class QV8ProfilerDataModelPrivate;
+    QV8ProfilerDataModelPrivate *d;
+};
+
+} // namespace Internal
+} // namespace QmlProfiler
+
+#endif // QV8PROFILERDATAMODEL_H