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Diffstat (limited to 'src/qml/qml/v4/qv4bindings_p.h')
-rw-r--r-- | src/qml/qml/v4/qv4bindings_p.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/qml/qml/v4/qv4bindings_p.h b/src/qml/qml/v4/qv4bindings_p.h new file mode 100644 index 0000000000..61d29a6f57 --- /dev/null +++ b/src/qml/qml/v4/qv4bindings_p.h @@ -0,0 +1,153 @@ +/**************************************************************************** +** +** 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 QV4BINDINGS_P_H +#define QV4BINDINGS_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 "private/qqmlexpression_p.h" +#include "private/qqmlbinding_p.h" +#include "private/qv4instruction_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +struct QV4Program; +class QV4Bindings : public QQmlAbstractExpression, + public QQmlRefCount +{ + Q_DECLARE_TR_FUNCTIONS(QV4Bindings) +public: + QV4Bindings(const char *program, QQmlContextData *context, + QQmlRefCount *); + virtual ~QV4Bindings(); + + QQmlAbstractBinding *configBinding(int index, QObject *target, + QObject *scope, int property, + int line, int column); + +#ifdef QML_THREADED_INTERPRETER + static void **getDecodeInstrTable(); +#endif + +private: + Q_DISABLE_COPY(QV4Bindings) + + struct Binding : public QQmlAbstractBinding, public QQmlDelayedError { + Binding() : enabled(false), updating(0), property(0), + scope(0), target(0), executedBlocks(0), parent(0) {} + + // Inherited from QQmlAbstractBinding + virtual void setEnabled(bool, QQmlPropertyPrivate::WriteFlags flags); + virtual void update(QQmlPropertyPrivate::WriteFlags flags); + virtual void destroy(); + virtual int propertyIndex() const; + virtual QObject *object() const; + + int index:30; + bool enabled:1; + bool updating:1; + int property; + QObject *scope; + int line; + int column; + QObject *target; + quint32 executedBlocks; + + QV4Bindings *parent; + }; + + class Subscription : public QQmlNotifierEndpoint + { + public: + Subscription() : bindings(0), method(-1) { callback = &subscriptionCallback; } + static void subscriptionCallback(QQmlNotifierEndpoint *e); + QV4Bindings *bindings; + int method; + }; + friend class Subscription; + + Subscription *subscriptions; + + void subscriptionNotify(int); + void run(Binding *, QQmlPropertyPrivate::WriteFlags flags); + + QV4Program *program; + QQmlRefCount *dataRef; + Binding *bindings; + + void init(); + void run(int instr, quint32 &executedBlocks, QQmlContextData *context, + QQmlDelayedError *error, QObject *scope, QObject *output, + QQmlPropertyPrivate::WriteFlags storeFlags +#ifdef QML_THREADED_INTERPRETER + , void ***decode_instr = 0 +#endif + ); + + + inline void unsubscribe(int subIndex); + inline void subscribeId(QQmlContextData *p, int idIndex, int subIndex); + inline void subscribe(QObject *o, int notifyIndex, int subIndex); + + inline static qint32 toInt32(qreal n); + static const qreal D32; + static quint32 toUint32(qreal n); + +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QV4BINDINGS_P_H + |