1 files changed, 136 insertions, 0 deletions
diff --git a/src/imports/particles/modelparticle.h b/src/imports/particles/modelparticle.h
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+++ b/src/imports/particles/modelparticle.h
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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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MODELPARTICLE_H
+#define MODELPARTICLE_H
+#include "particle.h"
+#include <QPointer>
+#include <QSet>
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+class QSGVisualDataModel;
+class ModelParticleAttached;
+
+class ModelParticle : public ParticleType
+{
+    Q_OBJECT
+
+    Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged)
+    Q_PROPERTY(QDeclarativeComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
+    Q_PROPERTY(int modelCount READ modelCount NOTIFY modelCountChanged)
+    Q_PROPERTY(bool fade READ fade WRITE setFade NOTIFY fadeChanged)
+    Q_CLASSINFO("DefaultProperty", "delegate")
+public:
+    explicit ModelParticle(QSGItem *parent = 0);
+    QVariant model() const;
+    void setModel(const QVariant &);
+
+    QDeclarativeComponent *delegate() const;
+    void setDelegate(QDeclarativeComponent *);
+
+    int modelCount() const;
+
+    bool fade() const { return m_fade; }
+
+    virtual QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);
+    virtual void load(ParticleData*);
+    virtual void reload(ParticleData*);
+    virtual void setCount(int c);
+    virtual int count();
+
+    static ModelParticleAttached *qmlAttachedProperties(QObject *object);
+signals:
+    void modelChanged();
+    void delegateChanged();
+    void modelCountChanged();
+    void fadeChanged();
+
+public slots:
+    void freeze(QSGItem* item);
+    void unfreeze(QSGItem* item);
+    void take(QSGItem* item,bool prioritize=false);//take by modelparticle
+    void give(QSGItem* item);//give from modelparticle
+
+    void setFade(bool arg){if(arg == m_fade) return; m_fade = arg; emit fadeChanged();}
+protected:
+    virtual void reset();
+    void prepareNextFrame();
+private:
+    bool m_ownModel;
+    QDeclarativeComponent* m_comp;
+    QSGVisualDataModel *m_model;
+    QVariant m_dataSource;
+    QList<QPointer<QSGItem> > m_deletables;
+    int m_particleCount;
+    bool m_fade;
+
+    QList<QSGItem*> m_pendingItems;
+    QVector<QSGItem*> m_items;
+    QVector<ParticleData*> m_data;
+    QVector<int> m_idx;
+    QList<int> m_available;
+    QSet<QSGItem*> m_stasis;
+    qreal m_lastT;
+    int m_activeCount;
+};
+
+class ModelParticleAttached : public QObject
+{
+    Q_OBJECT
+public:
+    ModelParticleAttached(QObject* parent){;}
+    void detach(){emit detached();}
+    void attach(){emit attached();}
+private:
+Q_SIGNALS:
+    void detached();
+    void attached();
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPEINFO(ModelParticle, QML_HAS_ATTACHED_PROPERTIES)
+
+QT_END_HEADER
+#endif // MODELPARTICLE_H