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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef TIMELINEVIEW_H
#define TIMELINEVIEW_H
#include <QtDeclarative/QDeclarativeItem>
#include <QtScript/QScriptValue>
#include <qmljsdebugclient/qmlprofilereventlist.h>
namespace QmlProfiler {
namespace Internal {
class TimelineView : public QDeclarativeItem
{
Q_OBJECT
Q_PROPERTY(QDeclarativeComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
Q_PROPERTY(qint64 startTime READ startTime WRITE setStartTime NOTIFY startTimeChanged)
Q_PROPERTY(qint64 endTime READ endTime WRITE setEndTime NOTIFY endTimeChanged)
Q_PROPERTY(qreal startX READ startX WRITE setStartX NOTIFY startXChanged)
Q_PROPERTY(qreal totalWidth READ totalWidth NOTIFY totalWidthChanged)
Q_PROPERTY(QObject* eventList READ eventList WRITE setEventList NOTIFY eventListChanged)
Q_PROPERTY(qreal cachedProgress READ cachedProgress NOTIFY cachedProgressChanged)
public:
explicit TimelineView(QDeclarativeItem *parent = 0);
QDeclarativeComponent * delegate() const
{
return m_delegate;
}
qint64 startTime() const
{
return m_startTime;
}
qint64 endTime() const
{
return m_endTime;
}
qreal startX() const
{
return m_startX;
}
qreal totalWidth() const
{
return m_totalWidth;
}
qreal cachedProgress() const;
QmlJsDebugClient::QmlProfilerEventList *eventList() const { return m_eventList; }
void setEventList(QObject *eventList)
{
m_eventList = qobject_cast<QmlJsDebugClient::QmlProfilerEventList *>(eventList);
emit eventListChanged(m_eventList);
}
Q_INVOKABLE qint64 getDuration(int index) const;
Q_INVOKABLE QString getFilename(int index) const;
Q_INVOKABLE int getLine(int index) const;
Q_INVOKABLE QString getDetails(int index) const;
Q_INVOKABLE void rebuildCache();
signals:
void delegateChanged(QDeclarativeComponent * arg);
void startTimeChanged(qint64 arg);
void endTimeChanged(qint64 arg);
void startXChanged(qreal arg);
void totalWidthChanged(qreal arg);
void eventListChanged(QmlJsDebugClient::QmlProfilerEventList *list);
void cachedProgressChanged();
void cacheReady();
public slots:
void clearData();
void updateTimeline(bool updateStartX = true);
void setDelegate(QDeclarativeComponent * arg)
{
if (m_delegate != arg) {
m_delegate = arg;
emit delegateChanged(arg);
}
}
void setStartTime(qint64 arg)
{
if (m_startTime != arg) {
m_startTime = arg;
emit startTimeChanged(arg);
}
}
void setEndTime(qint64 arg)
{
if (m_endTime != arg) {
m_endTime = arg;
emit endTimeChanged(arg);
}
}
void setStartX(qreal arg);
protected:
void componentComplete();
private:
void createItem(int itemIndex);
void updateItemPosition(int itemIndex);
public slots:
void increaseCache();
void purgeCache();
private:
QDeclarativeComponent * m_delegate;
QHash<int,QDeclarativeItem*> m_items;
qint64 m_itemCount;
qint64 m_startTime;
qint64 m_endTime;
qreal m_startX;
qreal m_spacing;
int prevMin;
int prevMax;
QmlJsDebugClient::QmlProfilerEventList *m_eventList;
qreal m_totalWidth;
int m_lastCachedIndex;
bool m_creatingCache;
int m_oldCacheSize;
};
} // namespace Internal
} // namespace QmlProfiler
QML_DECLARE_TYPE(QmlProfiler::Internal::TimelineView)
#endif // TIMELINEVIEW_H
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