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Diffstat (limited to 'src/qml/qml/qquicklistmodelworkeragent_p.h')
| -rw-r--r-- | src/qml/qml/qquicklistmodelworkeragent_p.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/qml/qml/qquicklistmodelworkeragent_p.h b/src/qml/qml/qquicklistmodelworkeragent_p.h new file mode 100644 index 0000000000..cf2ef45c16 --- /dev/null +++ b/src/qml/qml/qquicklistmodelworkeragent_p.h @@ -0,0 +1,161 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtQml 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 QQUICKLISTMODELWORKERAGENT_P_H +#define QQUICKLISTMODELWORKERAGENT_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 <qqml.h> + +#include <QtGui/qevent.h> +#include <QMutex> +#include <QWaitCondition> + +#include <private/qv8engine_p.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + + +class QQuickListModel; + +class QQuickListModelWorkerAgent : public QObject +{ + Q_OBJECT + Q_PROPERTY(int count READ count) + +public: + QQuickListModelWorkerAgent(QQuickListModel *); + ~QQuickListModelWorkerAgent(); + void setV8Engine(QV8Engine *eng); + + void addref(); + void release(); + + int count() const; + + Q_INVOKABLE void clear(); + Q_INVOKABLE void remove(QQmlV8Function *args); + Q_INVOKABLE void append(QQmlV8Function *args); + Q_INVOKABLE void insert(QQmlV8Function *args); + Q_INVOKABLE QQmlV8Handle get(int index) const; + Q_INVOKABLE void set(int index, const QQmlV8Handle &); + 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(QQuickListModelWorkerAgent *_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; + } + + QQuickListModelWorkerAgent *a; + }; + void modelDestroyed(); +protected: + virtual bool event(QEvent *); + +private: + friend class QQuickWorkerScriptEnginePrivate; + friend class QQuickListModel; + + struct Change + { + int modelUid; + 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(int uid); + void insertChange(int uid, int index, int count); + void removeChange(int uid, int index, int count); + void moveChange(int uid, int index, int count, int to); + void changedChange(int uid, int index, int count, const QList<int> &roles); + }; + Data data; + + struct Sync : public QEvent { + Sync() : QEvent(QEvent::User) {} + Data data; + QQuickListModel *list; + }; + + QAtomicInt m_ref; + QQuickListModel *m_orig; + QQuickListModel *m_copy; + QMutex mutex; + QWaitCondition syncDone; +}; + +QT_END_NAMESPACE + +Q_DECLARE_METATYPE(QQuickListModelWorkerAgent::VariantRef) + +QT_END_HEADER + +#endif // QQUICKLISTMODELWORKERAGENT_P_H + |