1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the QtQml module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
11 ** License version 2.1 as published by the Free Software Foundation and
12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
14 ** General Public License version 2.1 requirements will be met:
15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
17 ** In addition, as a special exception, Nokia gives you certain additional
18 ** rights. These rights are described in the Nokia Qt LGPL Exception
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
24 ** and appearing in the file LICENSE.GPL included in the packaging of this
25 ** file. Please review the following information to ensure the GNU General
26 ** Public License version 3.0 requirements will be met:
27 ** http://www.gnu.org/copyleft/gpl.html.
30 ** Alternatively, this file may be used in accordance with the terms and
31 ** conditions contained in a signed written agreement between you and Nokia.
40 ****************************************************************************/
42 #ifndef QQUICKLISTMODELWORKERAGENT_P_H
43 #define QQUICKLISTMODELWORKERAGENT_P_H
49 // This file is not part of the Qt API. It exists purely as an
50 // implementation detail. This header file may change from version to
51 // version without notice, or even be removed.
59 #include <QWaitCondition>
61 #include <private/qv8engine_p.h>
68 class QQuickListModel;
70 class QQuickListModelWorkerAgent : public QObject
73 Q_PROPERTY(int count READ count)
76 QQuickListModelWorkerAgent(QQuickListModel *);
77 ~QQuickListModelWorkerAgent();
78 void setV8Engine(QV8Engine *eng);
85 Q_INVOKABLE void clear();
86 Q_INVOKABLE void remove(QQmlV8Function *args);
87 Q_INVOKABLE void append(QQmlV8Function *args);
88 Q_INVOKABLE void insert(QQmlV8Function *args);
89 Q_INVOKABLE QQmlV8Handle get(int index) const;
90 Q_INVOKABLE void set(int index, const QQmlV8Handle &);
91 Q_INVOKABLE void setProperty(int index, const QString& property, const QVariant& value);
92 Q_INVOKABLE void move(int from, int to, int count);
93 Q_INVOKABLE void sync();
97 VariantRef() : a(0) {}
98 VariantRef(const VariantRef &r) : a(r.a) { if (a) a->addref(); }
99 VariantRef(QQuickListModelWorkerAgent *_a) : a(_a) { if (a) a->addref(); }
100 ~VariantRef() { if (a) a->release(); }
102 VariantRef &operator=(const VariantRef &o) {
103 if (o.a) o.a->addref();
104 if (a) a->release(); a = o.a;
108 QQuickListModelWorkerAgent *a;
110 void modelDestroyed();
112 virtual bool event(QEvent *);
115 friend class QQuickWorkerScriptEnginePrivate;
116 friend class QQuickListModel;
121 enum { Inserted, Removed, Moved, Changed } type;
122 int index; // Inserted/Removed/Moved/Changed
123 int count; // Inserted/Removed/Moved/Changed
130 QList<Change> changes;
132 void clearChange(int uid);
133 void insertChange(int uid, int index, int count);
134 void removeChange(int uid, int index, int count);
135 void moveChange(int uid, int index, int count, int to);
136 void changedChange(int uid, int index, int count, const QVector<int> &roles);
140 struct Sync : public QEvent {
141 Sync() : QEvent(QEvent::User) {}
143 QQuickListModel *list;
147 QQuickListModel *m_orig;
148 QQuickListModel *m_copy;
150 QWaitCondition syncDone;
155 Q_DECLARE_METATYPE(QQuickListModelWorkerAgent::VariantRef)
159 #endif // QQUICKLISTMODELWORKERAGENT_P_H