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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include "tracing_global.h"
#include "traceevent.h"
#include "traceeventtype.h"
#include <QObject>
#include <QFuture>
#include <functional>
#include <memory>
namespace Timeline {
class TRACING_EXPORT TraceEventTypeStorage
{
public:
virtual ~TraceEventTypeStorage();
virtual const TraceEventType &get(int typeId) const = 0;
virtual void set(int typeId, TraceEventType &&type) = 0;
virtual int append(TraceEventType &&type) = 0;
virtual int size() const = 0;
virtual void clear() = 0;
};
class TRACING_EXPORT TraceEventStorage
{
public:
virtual ~TraceEventStorage();
virtual int append(TraceEvent &&event) = 0;
virtual int size() const = 0;
virtual void clear() = 0;
virtual void finalize() = 0;
virtual bool replay(const std::function<bool(TraceEvent &&)> &receiver) const = 0;
};
class TimelineNotesModel;
class TimelineTraceFile;
class TRACING_EXPORT TimelineTraceManager : public QObject
{
Q_OBJECT
public:
typedef std::function<void(const TraceEvent &, const TraceEventType &)> TraceEventLoader;
typedef std::function<TraceEventLoader(TraceEventLoader)> TraceEventFilter;
typedef std::function<void()> Initializer;
typedef std::function<void()> Finalizer;
typedef std::function<void()> Clearer;
typedef std::function<void(const QString &)> ErrorHandler;
explicit TimelineTraceManager(std::unique_ptr<TraceEventStorage> &&eventStorage,
std::unique_ptr<TraceEventTypeStorage> &&typeStorage,
QObject *parent = nullptr);
~TimelineTraceManager() override;
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;
const TraceEventStorage *eventStorage() const;
const TraceEventTypeStorage *typeStorage() 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();
QFuture<void> save(const QString &filename);
QFuture<void> load(const QString &filename);
signals:
void error(const QString &error);
void loadFinished();
void saveFinished();
void availableFeaturesChanged(quint64 features);
void visibleFeaturesChanged(quint64 features);
void recordedFeaturesChanged(quint64 features);
protected:
void swapEventStorage(std::unique_ptr<TraceEventStorage> &other);
virtual void clearEventStorage();
virtual void clearTypeStorage();
void restrictByFilter(TraceEventFilter filter);
void appendEvent(TraceEvent &&event);
const TraceEventType &eventType(int typeId) const;
void setEventType(int typeId, TraceEventType &&type);
int appendEventType(TraceEventType &&type);
virtual TimelineTraceFile *createTraceFile() = 0;
virtual void replayEvents(TraceEventLoader loader, Initializer initializer, Finalizer finalizer,
ErrorHandler errorHandler, QFutureInterface<void> &future) const = 0;
private:
class TimelineTraceManagerPrivate;
TimelineTraceManagerPrivate *d;
};
} // namespace Timeline
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