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/***************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (directui@nokia.com)
**
** This file is part of libmeegotouch.
**
** If you have questions regarding the use of this file, please contact
** Nokia at directui@nokia.com.
**
** This library is free software; you can redistribute it and/or
** modify it 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.
**
****************************************************************************/
#ifndef MSTYLESHEETATTRIBUTE_H
#define MSTYLESHEETATTRIBUTE_H
#include <QMetaObject>
#include <QString>
#include <QMap>
#include <QTextCharFormat>
#include <QEasingCurve>
#include "mnamespace.h"
#include "mstyle.h"
#include "mshareddata.h"
#include "muniquestringcache.h"
//! \internal
/*! An attribute of a style sheet selector.
* This class includes helper functions such as attributeToInt.
*/
class MStyleSheetAttribute
{
// internal enum that defines the type of SIZE or SIZE_F
// attribute in attributeToInt and attributeToFloat conversion functions.
enum SizeAttributeType {
WidthAttribute,
HeightAttribute
};
public:
MStyleSheetAttribute(MUniqueStringCache::Index name, const QByteArray& value, qint64 position);
MStyleSheetAttribute(const MStyleSheetAttribute &other);
QByteArray getName();
MUniqueStringCache::Index getNameID();
QByteArray getValue();
qint64 getPosition();
static int attributeToInt(const QByteArray &attribute, bool *conversionOk);
static int attributeToInt(const QByteArray &attribute, bool *conversionOk, SizeAttributeType type, M::Orientation orientation);
static qreal attributeToFloat(const QByteArray &attribute, bool *conversionOk);
static qreal attributeToFloat(const QByteArray &attribute, bool *conversionOk, SizeAttributeType type, M::Orientation orientation);
static bool booleanFromString(const QByteArray &string, bool *conversionOk);
static QColor colorFromString(const QByteArray &string, bool *conversionOk);
static QFont fontFromString(const QByteArray string, bool *conversionOk);
static QByteArray attributeNameToPropertyName(const QByteArray &attributeName);
bool writeAttribute(const QString &filename,
MStyle *style,
const QMetaProperty &property,
M::Orientation orientation);
private:
// Fills a property with a variant and caches the variant if possible.
// Pointer types cannot be cached as the ownership is transfered to the property.
// Caching must be disabled for them.
enum CacheOrientationFlags {
PortraitFlag = 1,
LandscapeFlag = 2
};
bool fillProperty(const QMetaProperty &property, MStyle *style, CacheOrientationFlags cacheOrientation,
const QVariant &variant, bool cache = true);
MUniqueStringCache::Index name;
QByteArray value;
qint64 position; //used for providing detailed css parse error output (linenumber)
friend class MStyleSheetParserPrivate;
};
typedef QMap<MUniqueStringCache::Index, MStyleSheetAttribute *> MAttributeList;
//! \internal_end
#endif
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