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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.
**
****************************************************************************/
#pragma once
#include "timeline_global.h"
#include "timelinenotesmodel.h"
#include "traceevent.h"
#include "traceeventtype.h"
#include <QObject>
#include <QFuture>
#include <functional>
namespace Timeline {
class TimelineTraceFile;
class TIMELINE_EXPORT TimelineTraceManager : public QObject
{
Q_OBJECT
public:
enum State {
Empty,
AcquiringData,
ClearingData,
Done
};
typedef std::function<void(const TraceEvent &, const TraceEventType &)> TraceEventLoader;
typedef std::function<void()> Initializer;
typedef std::function<void()> Finalizer;
typedef std::function<void()> Clearer;
typedef std::function<void(const QString &)> ErrorHandler;
explicit TimelineTraceManager(QObject *parent = nullptr);
~TimelineTraceManager();
State state() const;
qint64 traceStart() const;
qint64 traceEnd() const;
qint64 traceDuration() const;
void decreaseTraceStart(qint64 start);
void increaseTraceEnd(qint64 end);
void setNotesModel(TimelineNotesModel *notesModel);
TimelineNotesModel *notesModel() const;
bool isEmpty() const;
int numEvents() const;
int numEventTypes() const;
void registerFeatures(quint64 features, TraceEventLoader eventLoader,
Initializer initializer = Initializer(),
Finalizer finalizer = Finalizer(),
Clearer clearer = Clearer());
quint64 availableFeatures() const;
quint64 visibleFeatures() const;
void setVisibleFeatures(quint64 features);
quint64 recordedFeatures() const;
void setRecordedFeatures(quint64 features);
bool aggregateTraces() const;
void setAggregateTraces(bool aggregateTraces);
virtual void initialize();
virtual void finalize();
virtual void clear();
void clearAll();
void restrictToRange(qint64 startTime, qint64 endTime);
bool isRestrictedToRange() const;
QFuture<void> save(const QString &filename);
QFuture<void> load(const QString &filename);
signals:
void error(const QString &error);
void stateChanged(State state);
void loadFinished();
void saveFinished();
void availableFeaturesChanged(quint64 features);
void visibleFeaturesChanged(quint64 features);
void recordedFeaturesChanged(quint64 features);
protected:
virtual void clearEventStorage();
virtual void clearTypeStorage();
void addEvent(const TraceEvent &event);
void addEventType(const TraceEventType &type);
virtual const TraceEventType &lookupType(int typeId) const = 0;
virtual TimelineTraceFile *createTraceFile() = 0;
virtual void replayEvents(qint64 rangeStart, qint64 rangeEnd, TraceEventLoader loader,
Initializer initializer, Finalizer finalizer,
ErrorHandler errorHandler, QFutureInterface<void> &future) const = 0;
private:
class TimelineTraceManagerPrivate;
TimelineTraceManagerPrivate *d;
};
} // namespace Timeline
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