From 9f6b271e942d48cef566891bd9d9712e147df3a2 Mon Sep 17 00:00:00 2001 From: Aaron Kennedy Date: Fri, 26 Mar 2010 10:07:25 +1000 Subject: Add missing files from 72599ca45c416f2f0a9654412c14a148ca3d728c --- src/declarative/qml/qdeclarativefastproperties.cpp | 92 ++++++++++++++++++++++ src/declarative/qml/qdeclarativefastproperties_p.h | 75 ++++++++++++++++++ 2 files changed, 167 insertions(+) create mode 100644 src/declarative/qml/qdeclarativefastproperties.cpp create mode 100644 src/declarative/qml/qdeclarativefastproperties_p.h diff --git a/src/declarative/qml/qdeclarativefastproperties.cpp b/src/declarative/qml/qdeclarativefastproperties.cpp new file mode 100644 index 0000000..088d329 --- /dev/null +++ b/src/declarative/qml/qdeclarativefastproperties.cpp @@ -0,0 +1,92 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qdeclarativefastproperties_p.h" + +#include + +QT_BEGIN_NAMESPACE + +// Adding entries to the QDeclarativeFastProperties class allows the QML +// binding optimizer to bypass Qt's meta system and read and, more +// importantly, subscribe to properties directly. Any property that is +// primarily read from bindings is a candidate for inclusion as a fast +// property. + +QDeclarativeFastProperties::QDeclarativeFastProperties() +{ + add(&QDeclarativeItem::staticMetaObject, QDeclarativeItem::staticMetaObject.indexOfProperty("parent"), + QDeclarativeItemPrivate::parentProperty); +} + +int QDeclarativeFastProperties::accessorIndexForProperty(const QMetaObject *metaObject, int propertyIndex) +{ + Q_ASSERT(metaObject); + Q_ASSERT(propertyIndex >= 0); + + // Find the "real" metaObject + while (metaObject->propertyOffset() > propertyIndex) + metaObject = metaObject->superClass(); + + QHash, int>::Iterator iter = + m_index.find(qMakePair(metaObject, propertyIndex)); + if (iter != m_index.end()) + return *iter; + else + return -1; +} + +void QDeclarativeFastProperties::add(const QMetaObject *metaObject, int propertyIndex, Accessor accessor) +{ + Q_ASSERT(metaObject); + Q_ASSERT(propertyIndex >= 0); + + // Find the "real" metaObject + while (metaObject->propertyOffset() > propertyIndex) + metaObject = metaObject->superClass(); + + QPair data = qMakePair(metaObject, propertyIndex); + int accessorIndex = m_accessors.count(); + m_accessors.append(accessor); + m_index.insert(data, accessorIndex); +} + +QT_END_NAMESPACE diff --git a/src/declarative/qml/qdeclarativefastproperties_p.h b/src/declarative/qml/qdeclarativefastproperties_p.h new file mode 100644 index 0000000..60df947 --- /dev/null +++ b/src/declarative/qml/qdeclarativefastproperties_p.h @@ -0,0 +1,75 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QDECLARATIVEFASTPROPERTIES_P_H +#define QDECLARATIVEFASTPROPERTIES_P_H + +#include +#include + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +class QObject; +class QDeclarativeNotifierEndpoint; +class QDeclarativeFastProperties +{ +public: + typedef void (*Accessor)(QObject *object, void *output, QDeclarativeNotifierEndpoint *endpoint); + + QDeclarativeFastProperties(); + + Accessor accessor(int index) const { return m_accessors.at(index); } + int accessorIndexForProperty(const QMetaObject *, int); + +private: + void add(const QMetaObject *, int, Accessor); + + QHash, int> m_index; + QVector m_accessors; +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QDECLARATIVEFASTPROPERTIES_P_H -- cgit v0.12