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-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the Declarative module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** 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.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** 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.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef ITEMPARTICLE_H
-#define ITEMPARTICLE_H
-#include "qquickparticlepainter_p.h"
-#include <QPointer>
-#include <QSet>
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Declarative)
-class QQuickVisualDataModel;
-class QQuickItemParticleAttached;
-
-class QQuickItemParticle : public QQuickParticlePainter
-{
- Q_OBJECT
- Q_PROPERTY(bool fade READ fade WRITE setFade NOTIFY fadeChanged)
- Q_PROPERTY(QDeclarativeComponent* delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
-public:
- explicit QQuickItemParticle(QQuickItem *parent = 0);
-
- bool fade() const { return m_fade; }
-
- virtual QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);
-
- static QQuickItemParticleAttached *qmlAttachedProperties(QObject *object);
- QDeclarativeComponent* delegate() const
- {
- return m_delegate;
- }
-
-signals:
- void fadeChanged();
-
- void delegateChanged(QDeclarativeComponent* arg);
-
-public slots:
- //TODO: Add a follow mode, where moving the delegate causes the logical particle to go with it?
- void freeze(QQuickItem* item);
- void unfreeze(QQuickItem* item);
- void take(QQuickItem* item,bool prioritize=false);//take by modelparticle
- void give(QQuickItem* item);//give from modelparticle
-
- void setFade(bool arg){if (arg == m_fade) return; m_fade = arg; emit fadeChanged();}
- void setDelegate(QDeclarativeComponent* arg)
- {
- if (m_delegate != arg) {
- m_delegate = arg;
- emit delegateChanged(arg);
- }
- }
-
-protected:
- virtual void reset();
- virtual void commit(int gIdx, int pIdx);
- virtual void initialize(int gIdx, int pIdx);
- void prepareNextFrame();
-private slots:
- void tick();
-private:
- QList<QQuickItem* > m_deletables;
- QList< QQuickParticleData* > m_loadables;
- bool m_fade;
-
- QList<QQuickItem*> m_pendingItems;
- QList<int> m_available;
- QSet<QQuickItem*> m_stasis;
- qreal m_lastT;
- int m_activeCount;
- QDeclarativeComponent* m_delegate;
-};
-
-class QQuickItemParticleAttached : public QObject
-{
- Q_OBJECT
- Q_PROPERTY(QQuickItemParticle* particle READ particle CONSTANT);
-public:
- QQuickItemParticleAttached(QObject* parent)
- : QObject(parent), m_mp(0)
- {;}
- QQuickItemParticle* particle() {return m_mp;}
- void detach(){emit detached();}
- void attach(){emit attached();}
-private:
- QQuickItemParticle* m_mp;
- friend class QQuickItemParticle;
-Q_SIGNALS:
- void detached();
- void attached();
-};
-
-QT_END_NAMESPACE
-
-QML_DECLARE_TYPEINFO(QQuickItemParticle, QML_HAS_ATTACHED_PROPERTIES)
-
-QT_END_HEADER
-#endif // ITEMPARTICLE_H