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39
40#ifndef QQUICKLISTMODELWORKERAGENT_P_H
41#define QQUICKLISTMODELWORKERAGENT_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <qtqmlmodelsglobal_p.h>
55
56#include <QEvent>
57#include <QMutex>
58#include <QWaitCondition>
59#include <QtQml/qqml.h>
60
61#include <private/qv4engine_p.h>
62
63QT_REQUIRE_CONFIG(qml_list_model);
64
65QT_BEGIN_NAMESPACE
66
67
68class QQmlListModel;
69
70class QQmlListModelWorkerAgent : public QObject
71{
72 Q_OBJECT
73 Q_PROPERTY(int count READ count)
74 Q_PROPERTY(QV4::ExecutionEngine *engine READ engine WRITE setEngine NOTIFY engineChanged)
75 QML_ANONYMOUS
76
77public:
78 QQmlListModelWorkerAgent(QQmlListModel *);
79 ~QQmlListModelWorkerAgent();
80
81 QV4::ExecutionEngine *engine() const;
82 void setEngine(QV4::ExecutionEngine *eng);
83
84 Q_INVOKABLE void addref();
85 Q_INVOKABLE void release();
86
87 int count() const;
88
89 Q_INVOKABLE void clear();
90 Q_INVOKABLE void remove(QQmlV4Function *args);
91 Q_INVOKABLE void append(QQmlV4Function *args);
92 Q_INVOKABLE void insert(QQmlV4Function *args);
93 Q_INVOKABLE QJSValue get(int index) const;
94 Q_INVOKABLE void set(int index, const QJSValue &value);
95 Q_INVOKABLE void setProperty(int index, const QString& property, const QVariant& value);
96 Q_INVOKABLE void move(int from, int to, int count);
97 Q_INVOKABLE void sync();
98
99 void modelDestroyed();
100
101signals:
102 void engineChanged(QV4::ExecutionEngine *engine);
103
104protected:
105 bool event(QEvent *) override;
106
107private:
108 friend class QQuickWorkerScriptEnginePrivate;
109 friend class QQmlListModel;
110
111 struct Sync : public QEvent {
112 Sync(QQmlListModel *l)
113 : QEvent(QEvent::User)
114 , list(l)
115 {}
116 ~Sync();
117 QQmlListModel *list;
118 };
119
120 QAtomicInt m_ref;
121 QQmlListModel *m_orig;
122 QQmlListModel *m_copy;
123 QMutex mutex;
124 QWaitCondition syncDone;
125};
126
127QT_END_NAMESPACE
128
129#endif // QQUICKLISTMODELWORKERAGENT_P_H
130
131

source code of qtdeclarative/src/qmlmodels/qqmllistmodelworkeragent_p.h