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+/****************************************************************************
+**
+** Copyright (C) 2012 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 QDECLARATIVELISTMODELWORKERAGENT_P_H
+#define QDECLARATIVELISTMODELWORKERAGENT_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 "qdeclarative.h"
+
+#include <QtScript/qscriptvalue.h>
+#include <QtGui/qevent.h>
+#include <QMutex>
+#include <QWaitCondition>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+
+class QDeclarativeListModel;
+class FlatListScriptClass;
+
+class QDeclarativeListModelWorkerAgent : public QObject
+{
+ Q_OBJECT
+ Q_PROPERTY(int count READ count)
+
+public:
+ QDeclarativeListModelWorkerAgent(QDeclarativeListModel *);
+ ~QDeclarativeListModelWorkerAgent();
+
+ void setScriptEngine(QScriptEngine *eng);
+ QScriptEngine *scriptEngine() const;
+
+ void addref();
+ void release();
+
+ int count() const;
+
+ 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 &);
+ Q_INVOKABLE void setProperty(int index, const QString& property, const QVariant& value);
+ Q_INVOKABLE void move(int from, int to, int count);
+ Q_INVOKABLE void sync();
+
+ struct VariantRef
+ {
+ VariantRef() : a(0) {}
+ VariantRef(const VariantRef &r) : a(r.a) { if (a) a->addref(); }
+ VariantRef(QDeclarativeListModelWorkerAgent *_a) : a(_a) { if (a) a->addref(); }
+ ~VariantRef() { if (a) a->release(); }
+
+ VariantRef &operator=(const VariantRef &o) {
+ if (o.a) o.a->addref();
+ if (a) a->release(); a = o.a;
+ return *this;
+ }
+
+ QDeclarativeListModelWorkerAgent *a;
+ };
+protected:
+ virtual bool event(QEvent *);
+
+private:
+ friend class QDeclarativeWorkerScriptEnginePrivate;
+ friend class FlatListScriptClass;
+ QScriptEngine *m_engine;
+
+ struct Change {
+ enum { Inserted, Removed, Moved, Changed } type;
+ int index; // Inserted/Removed/Moved/Changed
+ int count; // Inserted/Removed/Moved/Changed
+ int to; // Moved
+ QList<int> roles;
+ };
+
+ struct Data {
+ QList<Change> changes;
+
+ void clearChange();
+ void insertChange(int index, int count);
+ void removeChange(int index, int count);
+ void moveChange(int index, int count, int to);
+ void changedChange(int index, int count, const QList<int> &roles);
+ };
+ Data data;
+
+ struct Sync : public QEvent {
+ Sync() : QEvent(QEvent::User) {}
+ Data data;
+ QDeclarativeListModel *list;
+ };
+
+ void changedData(int index, int count, const QList<int> &roles);
+
+ QAtomicInt m_ref;
+ QDeclarativeListModel *m_orig;
+ QDeclarativeListModel *m_copy;
+ QMutex mutex;
+ QWaitCondition syncDone;
+};
+
+QT_END_NAMESPACE
+
+Q_DECLARE_METATYPE(QDeclarativeListModelWorkerAgent::VariantRef)
+
+QT_END_HEADER
+
+#endif // QDECLARATIVEWORKERSCRIPT_P_H
+