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4 ** Contact: http://www.qt-project.org/
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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
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21 ** GNU General Public License Usage
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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.
58 #include <QtGui/qevent.h>
60 #include <QWaitCondition>
62 #include <private/qv8engine_p.h>
69 class QQuickListModel;
71 class QQuickListModelWorkerAgent : public QObject
74 Q_PROPERTY(int count READ count)
77 QQuickListModelWorkerAgent(QQuickListModel *);
78 ~QQuickListModelWorkerAgent();
79 void setV8Engine(QV8Engine *eng);
86 Q_INVOKABLE void clear();
87 Q_INVOKABLE void remove(QQmlV8Function *args);
88 Q_INVOKABLE void append(QQmlV8Function *args);
89 Q_INVOKABLE void insert(QQmlV8Function *args);
90 Q_INVOKABLE QQmlV8Handle get(int index) const;
91 Q_INVOKABLE void set(int index, const QQmlV8Handle &);
92 Q_INVOKABLE void setProperty(int index, const QString& property, const QVariant& value);
93 Q_INVOKABLE void move(int from, int to, int count);
94 Q_INVOKABLE void sync();
98 VariantRef() : a(0) {}
99 VariantRef(const VariantRef &r) : a(r.a) { if (a) a->addref(); }
100 VariantRef(QQuickListModelWorkerAgent *_a) : a(_a) { if (a) a->addref(); }
101 ~VariantRef() { if (a) a->release(); }
103 VariantRef &operator=(const VariantRef &o) {
104 if (o.a) o.a->addref();
105 if (a) a->release(); a = o.a;
109 QQuickListModelWorkerAgent *a;
111 void modelDestroyed();
113 virtual bool event(QEvent *);
116 friend class QQuickWorkerScriptEnginePrivate;
117 friend class QQuickListModel;
122 enum { Inserted, Removed, Moved, Changed } type;
123 int index; // Inserted/Removed/Moved/Changed
124 int count; // Inserted/Removed/Moved/Changed
131 QList<Change> changes;
133 void clearChange(int uid);
134 void insertChange(int uid, int index, int count);
135 void removeChange(int uid, int index, int count);
136 void moveChange(int uid, int index, int count, int to);
137 void changedChange(int uid, int index, int count, const QList<int> &roles);
141 struct Sync : public QEvent {
142 Sync() : QEvent(QEvent::User) {}
144 QQuickListModel *list;
148 QQuickListModel *m_orig;
149 QQuickListModel *m_copy;
151 QWaitCondition syncDone;
156 Q_DECLARE_METATYPE(QQuickListModelWorkerAgent::VariantRef)
160 #endif // QQUICKLISTMODELWORKERAGENT_P_H