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-rw-r--r--src/declarative/util/qmlopenmetaobject.cpp355
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diff --git a/src/declarative/util/qmlopenmetaobject.cpp b/src/declarative/util/qmlopenmetaobject.cpp
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--- a/src/declarative/util/qmlopenmetaobject.cpp
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-/****************************************************************************
-**
-** 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 "qmlopenmetaobject_p.h"
-#include "qmlpropertycache_p.h"
-#include "qmldeclarativedata_p.h"
-#include <qmetaobjectbuilder_p.h>
-#include <qdebug.h>
-
-QT_BEGIN_NAMESPACE
-
-
-class QmlOpenMetaObjectTypePrivate
-{
-public:
- QmlOpenMetaObjectTypePrivate() : mem(0), cache(0), engine(0) {}
-
- void init(const QMetaObject *metaObj);
-
- int propertyOffset;
- int signalOffset;
- QHash<QByteArray, int> names;
- QMetaObjectBuilder mob;
- QMetaObject *mem;
- QmlPropertyCache *cache;
- QmlEngine *engine;
- QSet<QmlOpenMetaObject*> referers;
-};
-
-QmlOpenMetaObjectType::QmlOpenMetaObjectType(const QMetaObject *base, QmlEngine *engine)
- : d(new QmlOpenMetaObjectTypePrivate)
-{
- d->engine = engine;
- d->init(base);
-}
-
-QmlOpenMetaObjectType::~QmlOpenMetaObjectType()
-{
- if (d->mem)
- qFree(d->mem);
- if (d->cache)
- d->cache->release();
- delete d;
-}
-
-
-int QmlOpenMetaObjectType::propertyOffset() const
-{
- return d->propertyOffset;
-}
-
-int QmlOpenMetaObjectType::signalOffset() const
-{
- return d->signalOffset;
-}
-
-int QmlOpenMetaObjectType::createProperty(const QByteArray &name)
-{
- int id = d->mob.propertyCount();
- d->mob.addSignal("__" + QByteArray::number(id) + "()");
- QMetaPropertyBuilder build = d->mob.addProperty(name, "QVariant", id);
- build.setDynamic(true);
- propertyCreated(id, build);
- qFree(d->mem);
- d->mem = d->mob.toMetaObject();
- d->names.insert(name, id);
- QSet<QmlOpenMetaObject*>::iterator it = d->referers.begin();
- while (it != d->referers.end()) {
- QmlOpenMetaObject *omo = *it;
- *static_cast<QMetaObject *>(omo) = *d->mem;
- if (d->cache)
- d->cache->update(d->engine, omo);
- ++it;
- }
-
- return d->propertyOffset + id;
-}
-
-void QmlOpenMetaObjectType::propertyCreated(int id, QMetaPropertyBuilder &builder)
-{
- if (d->referers.count())
- (*d->referers.begin())->propertyCreated(id, builder);
-}
-
-void QmlOpenMetaObjectTypePrivate::init(const QMetaObject *metaObj)
-{
- if (!mem) {
- mob.setSuperClass(metaObj);
- mob.setClassName(metaObj->className());
- mob.setFlags(QMetaObjectBuilder::DynamicMetaObject);
-
- mem = mob.toMetaObject();
-
- propertyOffset = mem->propertyOffset();
- signalOffset = mem->methodOffset();
- }
-}
-
-//----------------------------------------------------------------------------
-
-class QmlOpenMetaObjectPrivate
-{
-public:
- QmlOpenMetaObjectPrivate(QmlOpenMetaObject *_q)
- : q(_q), parent(0), type(0), cacheProperties(false) {}
-
- inline QVariant &getData(int idx) {
- while (data.count() <= idx)
- data << QPair<QVariant, bool>(QVariant(), false);
- QPair<QVariant, bool> &prop = data[idx];
- if (!prop.second) {
- prop.first = q->initialValue(idx);
- prop.second = true;
- }
- return prop.first;
- }
-
- inline void writeData(int idx, const QVariant &value) {
- while (data.count() <= idx)
- data << QPair<QVariant, bool>(QVariant(), false);
- QPair<QVariant, bool> &prop = data[idx];
- prop.first = value;
- prop.second = true;
- }
-
- bool autoCreate;
- QmlOpenMetaObject *q;
- QAbstractDynamicMetaObject *parent;
- QList<QPair<QVariant, bool> > data;
- QObject *object;
- QmlOpenMetaObjectType *type;
- bool cacheProperties;
-};
-
-QmlOpenMetaObject::QmlOpenMetaObject(QObject *obj, bool automatic)
-: d(new QmlOpenMetaObjectPrivate(this))
-{
- d->autoCreate = automatic;
- d->object = obj;
-
- d->type = new QmlOpenMetaObjectType(obj->metaObject(), 0);
- d->type->d->referers.insert(this);
-
- QObjectPrivate *op = QObjectPrivate::get(obj);
- *static_cast<QMetaObject *>(this) = *d->type->d->mem;
- op->metaObject = this;
-}
-
-QmlOpenMetaObject::QmlOpenMetaObject(QObject *obj, QmlOpenMetaObjectType *type, bool automatic)
-: d(new QmlOpenMetaObjectPrivate(this))
-{
- d->autoCreate = automatic;
- d->object = obj;
-
- d->type = type;
- d->type->addref();
- d->type->d->referers.insert(this);
-
- QObjectPrivate *op = QObjectPrivate::get(obj);
- *static_cast<QMetaObject *>(this) = *d->type->d->mem;
- op->metaObject = this;
-}
-
-QmlOpenMetaObject::~QmlOpenMetaObject()
-{
- if (d->parent)
- delete d->parent;
- d->type->d->referers.remove(this);
- d->type->release();
- delete d;
-}
-
-QmlOpenMetaObjectType *QmlOpenMetaObject::type() const
-{
- return d->type;
-}
-
-int QmlOpenMetaObject::metaCall(QMetaObject::Call c, int id, void **a)
-{
- if (( c == QMetaObject::ReadProperty || c == QMetaObject::WriteProperty)
- && id >= d->type->d->propertyOffset) {
- int propId = id - d->type->d->propertyOffset;
- if (c == QMetaObject::ReadProperty) {
- propertyRead(propId);
- *reinterpret_cast<QVariant *>(a[0]) = d->getData(propId);
- } else if (c == QMetaObject::WriteProperty) {
- if (d->data[propId].first != *reinterpret_cast<QVariant *>(a[0])) {
- propertyWrite(propId);
- d->writeData(propId, *reinterpret_cast<QVariant *>(a[0]));
- activate(d->object, d->type->d->signalOffset + propId, 0);
- }
- }
- return -1;
- } else {
- if (d->parent)
- return d->parent->metaCall(c, id, a);
- else
- return d->object->qt_metacall(c, id, a);
- }
-}
-
-QAbstractDynamicMetaObject *QmlOpenMetaObject::parent() const
-{
- return d->parent;
-}
-
-QVariant QmlOpenMetaObject::value(int id) const
-{
- return d->getData(id);
-}
-
-void QmlOpenMetaObject::setValue(int id, const QVariant &value)
-{
- d->writeData(id, value);
- activate(d->object, id + d->type->d->signalOffset, 0);
-}
-
-QVariant QmlOpenMetaObject::value(const QByteArray &name) const
-{
- QHash<QByteArray, int>::ConstIterator iter = d->type->d->names.find(name);
- if (iter == d->type->d->names.end())
- return QVariant();
-
- return d->getData(*iter);
-}
-
-QVariant &QmlOpenMetaObject::operator[](const QByteArray &name)
-{
- QHash<QByteArray, int>::ConstIterator iter = d->type->d->names.find(name);
- Q_ASSERT(iter != d->type->d->names.end());
-
- return d->getData(*iter);
-}
-
-void QmlOpenMetaObject::setValue(const QByteArray &name, const QVariant &val)
-{
- QHash<QByteArray, int>::ConstIterator iter = d->type->d->names.find(name);
-
- int id = -1;
- if (iter == d->type->d->names.end()) {
- id = d->type->createProperty(name.constData()) - d->type->d->propertyOffset;
- } else {
- id = *iter;
- }
-
- QVariant &dataVal = d->getData(id);
- if (dataVal == val)
- return;
-
- dataVal = val;
- activate(d->object, id + d->type->d->signalOffset, 0);
-}
-
-void QmlOpenMetaObject::setCached(bool c)
-{
- if (c == d->cacheProperties || !d->type->d->engine)
- return;
-
- d->cacheProperties = c;
-
- QmlDeclarativeData *qmldata = QmlDeclarativeData::get(d->object, true);
- if (d->cacheProperties) {
- if (!d->type->d->cache)
- d->type->d->cache = QmlPropertyCache::create(d->type->d->engine, this);
- qmldata->propertyCache = d->type->d->cache;
- d->type->d->cache->addref();
- } else {
- if (d->type->d->cache)
- d->type->d->cache->release();
- qmldata->propertyCache = 0;
- }
-}
-
-
-int QmlOpenMetaObject::createProperty(const char *name, const char *)
-{
- if (d->autoCreate)
- return d->type->createProperty(name);
- else
- return -1;
-}
-
-void QmlOpenMetaObject::propertyRead(int)
-{
-}
-
-void QmlOpenMetaObject::propertyWrite(int)
-{
-}
-
-void QmlOpenMetaObject::propertyCreated(int, QMetaPropertyBuilder &)
-{
-}
-
-QVariant QmlOpenMetaObject::initialValue(int)
-{
- return QVariant();
-}
-
-int QmlOpenMetaObject::count() const
-{
- return d->type->d->names.count();
-}
-
-QByteArray QmlOpenMetaObject::name(int idx) const
-{
- Q_ASSERT(idx >= 0 && idx < d->type->d->names.count());
-
- return d->type->d->mob.property(idx).name();
-}
-
-QObject *QmlOpenMetaObject::object() const
-{
- return d->object;
-}
-
-QT_END_NAMESPACE