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Diffstat (limited to 'src/qml/qml/qquicklistmodel_p.h')
| -rw-r--r-- | src/qml/qml/qquicklistmodel_p.h | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/qml/qml/qquicklistmodel_p.h b/src/qml/qml/qquicklistmodel_p.h new file mode 100644 index 0000000000..2941de9148 --- /dev/null +++ b/src/qml/qml/qquicklistmodel_p.h @@ -0,0 +1,199 @@ +/**************************************************************************** +** +** 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 QQUICKLISTMODEL_H +#define QQUICKLISTMODEL_H + +#include <qqml.h> +#include <private/qqmlcustomparser_p.h> + +#include <QtCore/QObject> +#include <QtCore/QStringList> +#include <QtCore/QHash> +#include <QtCore/QList> +#include <QtCore/QVariant> +#include "qlistmodelinterface_p.h" + +#include <private/qv8engine_p.h> +#include <private/qpodvector_p.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + + +class QQuickListModelWorkerAgent; +class ListModel; +class ListLayout; + +class Q_QML_PRIVATE_EXPORT QQuickListModel : public QListModelInterface +{ + Q_OBJECT + Q_PROPERTY(int count READ count NOTIFY countChanged) + Q_PROPERTY(bool dynamicRoles READ dynamicRoles WRITE setDynamicRoles) + +public: + QQuickListModel(QObject *parent=0); + ~QQuickListModel(); + + virtual QList<int> roles() const; + virtual QString toString(int role) const; + virtual int count() const; + virtual QVariant data(int index, int role) 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(); + + QQuickListModelWorkerAgent *agent(); + + bool dynamicRoles() const { return m_dynamicRoles; } + void setDynamicRoles(bool enableDynamicRoles); + +Q_SIGNALS: + void countChanged(); + +private: + friend class QQuickListModelParser; + friend class QQuickListModelWorkerAgent; + friend class ModelObject; + friend class ModelNodeMetaObject; + friend class ListModel; + friend class ListElement; + friend class DynamicRoleModelNode; + friend class DynamicRoleModelNodeMetaObject; + + // Constructs a flat list model for a worker agent + QQuickListModel(QQuickListModel *orig, QQuickListModelWorkerAgent *agent); + QQuickListModel(const QQuickListModel *owner, ListModel *data, QV8Engine *eng, QObject *parent=0); + + QV8Engine *engine() const; + + inline bool canMove(int from, int to, int n) const { return !(from+n > count() || to+n > count() || from < 0 || to < 0 || n < 0); } + + QQuickListModelWorkerAgent *m_agent; + mutable QV8Engine *m_engine; + bool m_mainThread; + bool m_primary; + + bool m_dynamicRoles; + + ListLayout *m_layout; + ListModel *m_listModel; + + QVector<class DynamicRoleModelNode *> m_modelObjects; + QVector<QString> m_roles; + int m_uid; + + struct ElementSync + { + ElementSync() : src(0), target(0) {} + + DynamicRoleModelNode *src; + DynamicRoleModelNode *target; + }; + + int getUid() const { return m_uid; } + + static void sync(QQuickListModel *src, QQuickListModel *target, QHash<int, QQuickListModel *> *targetModelHash); + static QQuickListModel *createWithOwner(QQuickListModel *newOwner); + + void emitItemsChanged(int index, int count, const QList<int> &roles); + void emitItemsRemoved(int index, int count); + void emitItemsInserted(int index, int count); + void emitItemsMoved(int from, int to, int n); +}; + +// ### FIXME +class QQuickListElement : public QObject +{ +Q_OBJECT +}; + +class QQuickListModelParser : public QQmlCustomParser +{ +public: + QQuickListModelParser() : QQmlCustomParser(QQmlCustomParser::AcceptsSignalHandlers) {} + QByteArray compile(const QList<QQmlCustomParserProperty> &); + void setCustomData(QObject *, const QByteArray &); + +private: + struct ListInstruction + { + enum { Push, Pop, Value, Set } type; + int dataIdx; + }; + struct ListModelData + { + int dataOffset; + int instrCount; + ListInstruction *instructions() const; + }; + bool compileProperty(const QQmlCustomParserProperty &prop, QList<ListInstruction> &instr, QByteArray &data); + + bool definesEmptyList(const QString &); + + QString listElementTypeName; + + struct DataStackElement + { + DataStackElement() : model(0), elementIndex(0) {} + + QString name; + ListModel *model; + int elementIndex; + }; +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QQuickListModel) +QML_DECLARE_TYPE(QQuickListElement) + +QT_END_HEADER + +#endif // QQUICKLISTMODEL_H |