| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** This file may be used under the terms of the GNU Lesser General Public |
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| ** file. Please review the following information to ensure the GNU Lesser |
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| ** |
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| ** 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 |
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| ** file. Please review the following information to ensure the GNU General |
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| ** conditions contained in a signed written agreement between you and Nokia. |
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| ** $QT_END_LICENSE$ |
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| ****************************************************************************/ |
| |
| #ifndef QDECLARATIVEPROPERTYCACHE_P_H |
| #define QDECLARATIVEPROPERTYCACHE_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/qdeclarativerefcount_p.h" |
| #include "private/qdeclarativecleanup_p.h" |
| #include "private/qdeclarativenotifier_p.h" |
| |
| #include <QtCore/qvector.h> |
| |
| #include <QtScript/private/qscriptdeclarativeclass_p.h> |
| QT_BEGIN_NAMESPACE |
| |
| class QDeclarativeEngine; |
| class QMetaProperty; |
| |
| class Q_AUTOTEST_EXPORT QDeclarativePropertyCache : public QDeclarativeRefCount, public QDeclarativeCleanup |
| { |
| public: |
| QDeclarativePropertyCache(QDeclarativeEngine *); |
| QDeclarativePropertyCache(QDeclarativeEngine *, const QMetaObject *); |
| virtual ~QDeclarativePropertyCache(); |
| |
| struct Data { |
| inline Data(); |
| inline bool operator==(const Data &); |
| |
| enum Flag { |
| NoFlags = 0x00000000, |
| |
| // Can apply to all properties, except IsFunction |
| IsConstant = 0x00000001, |
| IsWritable = 0x00000002, |
| IsResettable = 0x00000004, |
| IsAlias = 0x00000008, |
| |
| // These are mutualy exclusive |
| IsFunction = 0x00000010, |
| IsQObjectDerived = 0x00000020, |
| IsEnumType = 0x00000040, |
| IsQList = 0x00000080, |
| IsQmlBinding = 0x00000100, |
| IsQScriptValue = 0x00000200, |
| |
| // Apply only to IsFunctions |
| IsVMEFunction = 0x00000400, |
| HasArguments = 0x00000800, |
| IsSignal = 0x00001000, |
| IsVMESignal = 0x00002000 |
| }; |
| Q_DECLARE_FLAGS(Flags, Flag) |
| |
| bool isValid() const { return coreIndex != -1; } |
| |
| Flags flags; |
| int propType; |
| int coreIndex; |
| union { |
| int notifyIndex; // When !IsFunction |
| int relatedIndex; // When IsFunction |
| }; |
| uint overrideIndexIsProperty : 1; |
| int overrideIndex : 31; |
| int revision; |
| int metaObjectOffset; |
| |
| static Flags flagsForProperty(const QMetaProperty &, QDeclarativeEngine *engine = 0); |
| void load(const QMetaProperty &, QDeclarativeEngine *engine = 0); |
| void load(const QMetaMethod &); |
| QString name(QObject *); |
| QString name(const QMetaObject *); |
| }; |
| |
| struct ValueTypeData { |
| inline ValueTypeData(); |
| inline bool operator==(const ValueTypeData &); |
| Data::Flags flags; // flags of the access property on the value type proxy object |
| int valueTypeCoreIdx; // The prop index of the access property on the value type proxy object |
| int valueTypePropType; // The QVariant::Type of access property on the value type proxy object |
| }; |
| |
| void update(QDeclarativeEngine *, const QMetaObject *); |
| |
| QDeclarativePropertyCache *copy() const; |
| void append(QDeclarativeEngine *, const QMetaObject *, Data::Flag propertyFlags = Data::NoFlags, |
| Data::Flag methodFlags = Data::NoFlags, Data::Flag signalFlags = Data::NoFlags); |
| void append(QDeclarativeEngine *, const QMetaObject *, int revision, Data::Flag propertyFlags = Data::NoFlags, |
| Data::Flag methodFlags = Data::NoFlags, Data::Flag signalFlags = Data::NoFlags); |
| |
| static Data create(const QMetaObject *, const QString &); |
| |
| inline Data *property(const QScriptDeclarativeClass::Identifier &id) const; |
| Data *property(const QString &) const; |
| Data *property(int) const; |
| Data *method(int) const; |
| QStringList propertyNames() const; |
| |
| inline Data *overrideData(Data *) const; |
| inline bool isAllowedInRevision(Data *) const; |
| |
| inline QDeclarativeEngine *qmlEngine() const; |
| static Data *property(QDeclarativeEngine *, QObject *, const QScriptDeclarativeClass::Identifier &, Data &); |
| static Data *property(QDeclarativeEngine *, QObject *, const QString &, Data &); |
| |
| protected: |
| virtual void clear(); |
| |
| private: |
| friend class QDeclarativeEnginePrivate; |
| |
| struct RData : public Data, public QDeclarativeRefCount { |
| QScriptDeclarativeClass::PersistentIdentifier identifier; |
| }; |
| |
| typedef QVector<RData *> IndexCache; |
| typedef QHash<QString, RData *> StringCache; |
| typedef QHash<QScriptDeclarativeClass::Identifier, RData *> IdentifierCache; |
| typedef QVector<int> AllowedRevisionCache; |
| |
| void updateRecur(QDeclarativeEngine *, const QMetaObject *); |
| |
| QDeclarativeEngine *engine; |
| IndexCache indexCache; |
| IndexCache methodIndexCache; |
| StringCache stringCache; |
| IdentifierCache identifierCache; |
| AllowedRevisionCache allowedRevisionCache; |
| }; |
| Q_DECLARE_OPERATORS_FOR_FLAGS(QDeclarativePropertyCache::Data::Flags); |
| |
| QDeclarativePropertyCache::Data::Data() |
| : flags(0), propType(0), coreIndex(-1), notifyIndex(-1), overrideIndexIsProperty(false), overrideIndex(-1), |
| revision(0), metaObjectOffset(-1) |
| { |
| } |
| |
| bool QDeclarativePropertyCache::Data::operator==(const QDeclarativePropertyCache::Data &other) |
| { |
| return flags == other.flags && |
| propType == other.propType && |
| coreIndex == other.coreIndex && |
| notifyIndex == other.notifyIndex && |
| revision == other.revision; |
| } |
| |
| QDeclarativePropertyCache::Data * |
| QDeclarativePropertyCache::overrideData(Data *data) const |
| { |
| if (data->overrideIndex < 0) |
| return 0; |
| |
| if (data->overrideIndexIsProperty) |
| return indexCache.at(data->overrideIndex); |
| else |
| return methodIndexCache.at(data->overrideIndex); |
| } |
| |
| QDeclarativePropertyCache::Data * |
| QDeclarativePropertyCache::property(const QScriptDeclarativeClass::Identifier &id) const |
| { |
| return identifierCache.value(id); |
| } |
| |
| QDeclarativePropertyCache::ValueTypeData::ValueTypeData() |
| : flags(QDeclarativePropertyCache::Data::NoFlags), valueTypeCoreIdx(-1), valueTypePropType(0) |
| { |
| } |
| |
| bool QDeclarativePropertyCache::ValueTypeData::operator==(const ValueTypeData &o) |
| { |
| return flags == o.flags && |
| valueTypeCoreIdx == o.valueTypeCoreIdx && |
| valueTypePropType == o.valueTypePropType; |
| } |
| |
| bool QDeclarativePropertyCache::isAllowedInRevision(Data *data) const |
| { |
| return (data->metaObjectOffset == -1 && data->revision == 0) || |
| (allowedRevisionCache[data->metaObjectOffset] >= data->revision); |
| } |
| |
| QDeclarativeEngine *QDeclarativePropertyCache::qmlEngine() const |
| { |
| return engine; |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif // QDECLARATIVEPROPERTYCACHE_P_H |