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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative 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 QMLWORKERSCRIPT_P_H
+#define QMLWORKERSCRIPT_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qml.h"
+#include "qmlparserstatus.h"
+#include <private/qlistmodelinterface_p.h>
+
+#include <QtCore/qthread.h>
+#include <QtScript/qscriptvalue.h>
+#include <QtCore/qurl.h>
+
+QT_BEGIN_NAMESPACE
+
+class QmlWorkerScript;
+class QmlWorkerScriptEnginePrivate;
+class QmlWorkerScriptEngine : public QThread
+{
+Q_OBJECT
+public:
+    QmlWorkerScriptEngine(QmlEngine *parent = 0);
+    virtual ~QmlWorkerScriptEngine();
+
+    int registerWorkerScript(QmlWorkerScript *);
+    void removeWorkerScript(int);
+    void executeUrl(int, const QUrl &);
+    void sendMessage(int, const QVariant &);
+
+protected:
+    virtual void run();
+
+private:
+    QmlWorkerScriptEnginePrivate *d;
+};
+
+class QmlWorkerScript : public QObject, public QmlParserStatus
+{
+    Q_OBJECT
+    Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)
+
+    Q_INTERFACES(QmlParserStatus)
+public:
+    QmlWorkerScript(QObject *parent = 0);
+    virtual ~QmlWorkerScript();
+
+    QUrl source() const;
+    void setSource(const QUrl &);
+
+public slots:
+    void sendMessage(const QScriptValue &);
+
+signals:
+    void sourceChanged();
+    void message(const QScriptValue &messageObject);
+
+protected:
+    virtual void componentComplete();
+    virtual bool event(QEvent *);
+
+private:
+    QmlWorkerScriptEngine *m_engine;
+    int m_scriptId;
+    QUrl m_source;
+};
+
+class QmlWorkerListModelAgent;
+class QmlWorkerListModel : public QListModelInterface
+{
+    Q_OBJECT
+    Q_PROPERTY(int count READ count NOTIFY countChanged)
+
+public:
+    QmlWorkerListModel(QObject * = 0);
+    virtual ~QmlWorkerListModel();
+
+    Q_INVOKABLE void clear();
+    Q_INVOKABLE void remove(int index);
+    Q_INVOKABLE void append(const QScriptValue &);
+    Q_INVOKABLE void insert(int index, const QScriptValue&);
+    Q_INVOKABLE QScriptValue get(int index) const;
+    Q_INVOKABLE void set(int index, const QScriptValue &);
+
+    QmlWorkerListModelAgent *agent();
+
+    virtual QList<int> roles() const;
+    virtual QString toString(int role) const;
+    virtual int count() const;
+    virtual QHash<int,QVariant> data(int index, const QList<int> &roles = (QList<int>())) const;
+    virtual QVariant data(int index, int role) const;
+
+Q_SIGNALS:
+    void countChanged();
+
+private:
+    friend class QmlWorkerListModelAgent;
+
+    QHash<int, QString> m_roles;
+    QHash<QString, int> m_strings;
+    QList<QHash<int, QVariant> > m_values;
+
+    QmlWorkerListModelAgent *m_agent;
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPE(QmlWorkerScript);
+QML_DECLARE_TYPE(QmlWorkerListModel);
+
+#endif // QMLWORKERSCRIPT_P_H