From 347f84e5aca9423536cb0cd7a2eafaf836a72212 Mon Sep 17 00:00:00 2001 From: Andrew den Exter Date: Thu, 1 Dec 2011 14:01:13 +1000 Subject: Minimize the number of objects created per item in VisualDataModel. Derive from QDeclarativeContext and reference count the context object instead of parenting it to the context. Combined with a weak persistent v8 handle the allows the context object to be returned by javascript accessors instead of creating a new instance for every use. In addition to the efficiency advantages of creating fewer objects, routing all data access through a single object means that object can also persist data instead of just acting as a proxy. Change-Id: I107dc8c901f16f2a4b420ff1cbffa7a6be27de89 Reviewed-by: Martin Jones --- src/quick/items/items.pri | 1 + src/quick/items/qquickvisualadaptormodel.cpp | 467 +++++++++------- src/quick/items/qquickvisualadaptormodel_p.h | 8 +- src/quick/items/qquickvisualdatamodel.cpp | 772 +++++++++------------------ src/quick/items/qquickvisualdatamodel_p.h | 8 +- src/quick/items/qquickvisualdatamodel_p_p.h | 403 ++++++++++++++ 6 files changed, 940 insertions(+), 719 deletions(-) create mode 100644 src/quick/items/qquickvisualdatamodel_p_p.h (limited to 'src/quick/items') diff --git a/src/quick/items/items.pri b/src/quick/items/items.pri index 85ef591ab9..28a32fcc48 100644 --- a/src/quick/items/items.pri +++ b/src/quick/items/items.pri @@ -39,6 +39,7 @@ HEADERS += \ $$PWD/qquicklistview_p.h \ $$PWD/qquickvisualadaptormodel_p.h \ $$PWD/qquickvisualdatamodel_p.h \ + $$PWD/qquickvisualdatamodel_p_p.h \ $$PWD/qquickvisualitemmodel_p.h \ $$PWD/qquickrepeater_p.h \ $$PWD/qquickrepeater_p_p.h \ diff --git a/src/quick/items/qquickvisualadaptormodel.cpp b/src/quick/items/qquickvisualadaptormodel.cpp index 9c57d9f75f..c1402ae242 100644 --- a/src/quick/items/qquickvisualadaptormodel.cpp +++ b/src/quick/items/qquickvisualadaptormodel.cpp @@ -40,32 +40,16 @@ ****************************************************************************/ #include "qquickvisualadaptormodel_p.h" -#include "qquickitem.h" +#include "qquickvisualdatamodel_p_p.h" -#include -#include -#include -#include - -#include -#include -#include +#include #include -#include #include -#include -#include #include #include -#include #include #include -#include -#include - -Q_DECLARE_METATYPE(QModelIndex) - QT_BEGIN_NAMESPACE class VDMDelegateDataType : public QDeclarativeRefCount @@ -109,29 +93,9 @@ public: QMetaObjectBuilder builder; }; -class QQuickVisualAdaptorModelData : public QObject -{ - Q_OBJECT - Q_PROPERTY(int index READ index NOTIFY indexChanged) -public: - QQuickVisualAdaptorModelData(int index, QQuickVisualAdaptorModel *model); - ~QQuickVisualAdaptorModelData(); - - int index() const; - void setIndex(int index); - -Q_SIGNALS: - void indexChanged(); - -public: - int m_index; - QDeclarativeGuard m_model; - QIntrusiveListNode m_cacheNode; -}; - -typedef QIntrusiveList QQuickVisualAdaptorModelDataCache; +typedef QIntrusiveList QQuickVisualDataModelItemCache; -class QQuickVisualAdaptorModelDataMetaObject; +class QQuickVisualDataModelItemMetaObject; class QQuickVisualAdaptorModelPrivate : public QObjectPrivate { Q_DECLARE_PUBLIC(QQuickVisualAdaptorModel) @@ -140,13 +104,18 @@ public: : m_engine(0) , m_listAccessor(0) , m_delegateDataType(0) - , createModelData(&initializeModelData) + , createItem(&initializeModelData) + , stringValue(&initializeStringValue) , m_ref(0) , m_count(0) , m_objectList(false) { } + ~QQuickVisualAdaptorModelPrivate() + { + qPersistentDispose(m_constructor); + } static QQuickVisualAdaptorModelPrivate *get(QQuickVisualAdaptorModel *m) { return static_cast(QObjectPrivate::get(m)); @@ -155,20 +124,32 @@ public: void addProperty(int role, int propertyId, const char *propertyName, const char *propertyType, bool isModelData = false); template void setModelDataType() { - createModelData = &T::create; + createItem = &T::create; + stringValue = &T::stringValue; m_delegateDataType->builder.setFlags(QMetaObjectBuilder::DynamicMetaObject); m_delegateDataType->builder.setClassName(T::staticMetaObject.className()); m_delegateDataType->builder.setSuperClass(&T::staticMetaObject); m_delegateDataType->propertyOffset = T::staticMetaObject.propertyCount(); m_delegateDataType->signalOffset = T::staticMetaObject.methodCount(); } - QQuickVisualAdaptorModelData *createMetaObject(int index, QQuickVisualAdaptorModel *model); - static QQuickVisualAdaptorModelData *initializeModelData(int index, QQuickVisualAdaptorModel *model) { - return get(model)->createMetaObject(index, model); + void createMetaObject(); + + static QQuickVisualDataModelItem *initializeModelData( + QQuickVisualDataModelItemMetaType *metaType, QQuickVisualAdaptorModel *model, int index) { + QQuickVisualAdaptorModelPrivate *d = get(model); + d->createMetaObject(); + return d->createItem(metaType, model, index); + } + + static QString initializeStringValue(QQuickVisualAdaptorModel *model, int index, const QString &name) { + QQuickVisualAdaptorModelPrivate *d = get(model); + d->createMetaObject(); + return d->stringValue(model, index, name); } - typedef QQuickVisualAdaptorModelData *(*CreateModelData)(int index, QQuickVisualAdaptorModel *model); + typedef QQuickVisualDataModelItem *(*CreateModelData)(QQuickVisualDataModelItemMetaType *metaType, QQuickVisualAdaptorModel *model, int index); + typedef QString (*StringValue)(QQuickVisualAdaptorModel *model, int index, const QString &name); struct PropertyData { int role; @@ -190,7 +171,9 @@ public: QDeclarativeGuard m_abstractItemModel; QDeclarativeListAccessor *m_listAccessor; VDMDelegateDataType *m_delegateDataType; - CreateModelData createModelData; + CreateModelData createItem; + StringValue stringValue; + v8::Persistent m_constructor; int m_ref; int m_count; @@ -205,13 +188,13 @@ public: QList watchedRoles; QHash m_roleNames; QVector m_propertyData; - QQuickVisualAdaptorModelDataCache m_cache; + QQuickVisualDataModelItemCache m_cache; }; -class QQuickVisualAdaptorModelDataMetaObject : public QAbstractDynamicMetaObject +class QQuickVisualDataModelItemMetaObject : public QAbstractDynamicMetaObject { public: - QQuickVisualAdaptorModelDataMetaObject(QQuickVisualAdaptorModelData *data, VDMDelegateDataType *type) + QQuickVisualDataModelItemMetaObject(QQuickVisualDataModelItem *data, VDMDelegateDataType *type) : m_data(data) , m_type(type) { @@ -221,26 +204,35 @@ public: m_type->addref(); } - ~QQuickVisualAdaptorModelDataMetaObject() { m_type->release(); } + ~QQuickVisualDataModelItemMetaObject() { m_type->release(); } + + static v8::Handle get_index(v8::Local, const v8::AccessorInfo &info) + { + QQuickVisualDataModelItem *data = v8_resource_cast(info.This()); + if (!data) + V8THROW_ERROR("Not a valid VisualData object"); + + return v8::Int32::New(data->index[0]); + } - QQuickVisualAdaptorModelData *m_data; + QQuickVisualDataModelItem *m_data; VDMDelegateDataType *m_type; }; -class QQuickVDMAbstractItemModelDataMetaObject : public QQuickVisualAdaptorModelDataMetaObject +class QQuickVDMAbstractItemModelDataMetaObject : public QQuickVisualDataModelItemMetaObject { public: - QQuickVDMAbstractItemModelDataMetaObject(QQuickVisualAdaptorModelData *object, VDMDelegateDataType *type) - : QQuickVisualAdaptorModelDataMetaObject(object, type) {} + QQuickVDMAbstractItemModelDataMetaObject(QQuickVisualDataModelItem *object, VDMDelegateDataType *type) + : QQuickVisualDataModelItemMetaObject(object, type) {} int metaCall(QMetaObject::Call call, int id, void **arguments) { if (call == QMetaObject::ReadProperty && id >= m_type->propertyOffset) { - QQuickVisualAdaptorModelPrivate *model = QQuickVisualAdaptorModelPrivate::get(m_data->m_model); - if (m_data->m_index == -1 || !model->m_abstractItemModel) + QQuickVisualAdaptorModelPrivate *model = QQuickVisualAdaptorModelPrivate::get(m_data->model); + if (m_data->index[0] == -1 || !model->m_abstractItemModel) return -1; *static_cast(arguments[0]) = model->m_abstractItemModel->index( - m_data->m_index, 0, model->m_root).data(model->m_propertyData.at(id - m_type->propertyOffset).role); + m_data->index[0], 0, model->m_root).data(model->m_propertyData.at(id - m_type->propertyOffset).role); return -1; } else { return m_data->qt_metacall(call, id, arguments); @@ -248,86 +240,195 @@ public: } }; -class QQuickVDMAbstractItemModelData : public QQuickVisualAdaptorModelData +class QQuickVDMAbstractItemModelData : public QQuickVisualDataModelItem { Q_OBJECT Q_PROPERTY(bool hasModelChildren READ hasModelChildren CONSTANT) public: bool hasModelChildren() const { - QQuickVisualAdaptorModelPrivate *model = QQuickVisualAdaptorModelPrivate::get(m_model); - return model->m_abstractItemModel->hasChildren(model->m_abstractItemModel->index(m_index, 0, model->m_root)); + QQuickVisualAdaptorModelPrivate *d = QQuickVisualAdaptorModelPrivate::get(model); + return d->m_abstractItemModel->hasChildren(d->m_abstractItemModel->index(index[0], 0, d->m_root)); + } + + static QQuickVisualDataModelItem *create( + QQuickVisualDataModelItemMetaType *metaType, QQuickVisualAdaptorModel *model, int index) { + return new QQuickVDMAbstractItemModelData(metaType, model, index); } + + static QString stringValue(QQuickVisualAdaptorModel *model, int index, const QString &name) + { + QQuickVisualAdaptorModelPrivate *d = QQuickVisualAdaptorModelPrivate::get(model); + const int role = d->m_roleNames.value(name.toUtf8(), -1); + + if (role != -1) + return d->m_abstractItemModel->index(index, 0, d->m_root).data(role).toString(); + else if (name == QLatin1String("hasModelChildren")) + return QVariant(d->m_abstractItemModel->hasChildren(d->m_abstractItemModel->index(index, 0, d->m_root))).toString(); + else + return QString(); + } + + static v8::Handle get_property(v8::Local, const v8::AccessorInfo &info) + { + QQuickVisualDataModelItem *data = v8_resource_cast(info.This()); + if (!data) + V8THROW_ERROR("Not a valid VisualData object"); + + QQuickVisualAdaptorModelPrivate *model = QQuickVisualAdaptorModelPrivate::get(data->model); + if (data->index[0] == -1 || !model->m_abstractItemModel) + return v8::Undefined(); + + const int role = info.Data()->Int32Value(); + const QVariant value = model->m_abstractItemModel->index(data->index[0], 0, model->m_root).data(role); + return data->engine->fromVariant(value); + } + + static v8::Handle get_hasModelChildren(v8::Local, const v8::AccessorInfo &info) + { + QQuickVisualDataModelItem *data = v8_resource_cast(info.This()); + if (!data) + V8THROW_ERROR("Not a valid VisualData object"); + + QQuickVisualAdaptorModelPrivate *model = QQuickVisualAdaptorModelPrivate::get(data->model); + + return v8::Boolean::New(model->m_abstractItemModel->hasChildren( + model->m_abstractItemModel->index(data->index[0], 0, model->m_root))); + } + + v8::Handle get() + { + QQuickVisualAdaptorModelPrivate *d = QQuickVisualAdaptorModelPrivate::get(model); + + v8::Local data = d->m_constructor->NewInstance(); + data->SetExternalResource(this); + return data; } - static QQuickVisualAdaptorModelData *create(int index, QQuickVisualAdaptorModel *model) { - return new QQuickVDMAbstractItemModelData(index, model); } private: - QQuickVDMAbstractItemModelData(int index, QQuickVisualAdaptorModel *model) - : QQuickVisualAdaptorModelData(index, model) + QQuickVDMAbstractItemModelData( + QQuickVisualDataModelItemMetaType *metaType, QQuickVisualAdaptorModel *model, int index) + : QQuickVisualDataModelItem(metaType, model, index) { new QQuickVDMAbstractItemModelDataMetaObject( - this, QQuickVisualAdaptorModelPrivate::get(m_model)->m_delegateDataType); + this, QQuickVisualAdaptorModelPrivate::get(model)->m_delegateDataType); } }; -class QQuickVDMListModelInterfaceDataMetaObject : public QQuickVisualAdaptorModelDataMetaObject +class QQuickVDMListModelInterfaceDataMetaObject : public QQuickVisualDataModelItemMetaObject { public: - QQuickVDMListModelInterfaceDataMetaObject(QQuickVisualAdaptorModelData *object, VDMDelegateDataType *type) - : QQuickVisualAdaptorModelDataMetaObject(object, type) {} + QQuickVDMListModelInterfaceDataMetaObject(QQuickVisualDataModelItem *object, VDMDelegateDataType *type) + : QQuickVisualDataModelItemMetaObject(object, type) {} int metaCall(QMetaObject::Call call, int id, void **arguments) { if (call == QMetaObject::ReadProperty && id >= m_type->propertyOffset) { - QQuickVisualAdaptorModelPrivate *model = QQuickVisualAdaptorModelPrivate::get(m_data->m_model); - if (m_data->m_index == -1 || !model->m_listModelInterface) + QQuickVisualAdaptorModelPrivate *model = QQuickVisualAdaptorModelPrivate::get(m_data->model); + if (m_data->index[0] == -1 || !model->m_listModelInterface) return -1; *static_cast(arguments[0]) = model->m_listModelInterface->data( - m_data->m_index, model->m_propertyData.at(id - m_type->propertyOffset).role); + m_data->index[0], model->m_propertyData.at(id - m_type->propertyOffset).role); return -1; } else { return m_data->qt_metacall(call, id, arguments); } } + }; -class QQuickVDMListModelInterfaceData : public QQuickVisualAdaptorModelData +class QQuickVDMListModelInterfaceData : public QQuickVisualDataModelItem { public: - static QQuickVisualAdaptorModelData *create(int index, QQuickVisualAdaptorModel *model) { - return new QQuickVDMListModelInterfaceData(index, model); } + static QQuickVisualDataModelItem *create( + QQuickVisualDataModelItemMetaType *metaType, QQuickVisualAdaptorModel *model, int index) { + return new QQuickVDMListModelInterfaceData(metaType, model, index); } + + static QString stringValue(QQuickVisualAdaptorModel *model, int index, const QString &name) + { + QQuickVisualAdaptorModelPrivate *d = QQuickVisualAdaptorModelPrivate::get(model); + const int role = d->m_roleNames.value(name.toUtf8(), -1); + return role != -1 + ? d->m_listModelInterface->data(index, role).toString() + : QString(); + } + + static v8::Handle get_property(v8::Local, const v8::AccessorInfo &info) + { + QQuickVisualDataModelItem *data = v8_resource_cast(info.This()); + if (!data) + V8THROW_ERROR("Not a valid VisualData object"); + + QQuickVisualAdaptorModelPrivate *model = QQuickVisualAdaptorModelPrivate::get(data->model); + if (data->index[0] == -1 || !model->m_listModelInterface) + return v8::Undefined(); + + const int role = info.Data()->Int32Value(); + const QVariant value = model->m_listModelInterface->data(data->index[0], role); + return data->engine->fromVariant(value); + } + + v8::Handle get() + { + QQuickVisualAdaptorModelPrivate *d = QQuickVisualAdaptorModelPrivate::get(model); + + v8::Local data = d->m_constructor->NewInstance(); + data->SetExternalResource(this); + return data; + } + private: - QQuickVDMListModelInterfaceData(int index, QQuickVisualAdaptorModel *model) - : QQuickVisualAdaptorModelData(index, model) + QQuickVDMListModelInterfaceData(QQuickVisualDataModelItemMetaType *metaType, QQuickVisualAdaptorModel *model, int index) + : QQuickVisualDataModelItem(metaType, model, index) { new QQuickVDMListModelInterfaceDataMetaObject( - this, QQuickVisualAdaptorModelPrivate::get(m_model)->m_delegateDataType); + this, QQuickVisualAdaptorModelPrivate::get(model)->m_delegateDataType); } }; -class QQuickVDMListAccessorData : public QQuickVisualAdaptorModelData +class QQuickVDMListAccessorData : public QQuickVisualDataModelItem { Q_OBJECT Q_PROPERTY(QVariant modelData READ modelData CONSTANT) public: QVariant modelData() const { - return QQuickVisualAdaptorModelPrivate::get(m_model)->m_listAccessor->at(m_index); } + return QQuickVisualAdaptorModelPrivate::get(model)->m_listAccessor->at(index[0]); } + + static QQuickVisualDataModelItem *create( + QQuickVisualDataModelItemMetaType *metaType, QQuickVisualAdaptorModel *model, int index) { + return new QQuickVDMListAccessorData(metaType, model, index); } + + static QString stringValue(QQuickVisualAdaptorModel *model, int index, const QString &name) + { + return name == QLatin1String("modelData") + ? QQuickVisualAdaptorModelPrivate::get(model)->m_listAccessor->at(index).toString() + : QString(); + } + + static v8::Handle get_modelData(v8::Local, const v8::AccessorInfo &info) + { + QQuickVisualDataModelItem *data = v8_resource_cast(info.This()); + if (!data) + V8THROW_ERROR("Not a valid VisualData object"); - static QQuickVisualAdaptorModelData *create(int index, QQuickVisualAdaptorModel *model) { - return new QQuickVDMListAccessorData(index, model); } + QQuickVisualAdaptorModelPrivate *d = QQuickVisualAdaptorModelPrivate::get(data->model); + if (data->index[0] == -1 || !d->m_listAccessor) + return v8::Undefined(); + + return data->engine->fromVariant(d->m_listAccessor->at(data->index[0])); + } private: - QQuickVDMListAccessorData(int index, QQuickVisualAdaptorModel *model) - : QQuickVisualAdaptorModelData(index, model) + QQuickVDMListAccessorData(QQuickVisualDataModelItemMetaType *metaType, QQuickVisualAdaptorModel *model, int index) + : QQuickVisualDataModelItem(metaType, model, index) { } }; -class QQuickVDMObjectDataMetaObject : public QQuickVisualAdaptorModelDataMetaObject +class QQuickVDMObjectDataMetaObject : public QQuickVisualDataModelItemMetaObject { public: - QQuickVDMObjectDataMetaObject(QQuickVisualAdaptorModelData *data, VDMDelegateDataType *type) - : QQuickVisualAdaptorModelDataMetaObject(data, type) - , m_object(QQuickVisualAdaptorModelPrivate::get(data->m_model)->m_listAccessor->at(data->m_index).value()) + QQuickVDMObjectDataMetaObject(QQuickVisualDataModelItem *data, VDMDelegateDataType *type) + : QQuickVisualDataModelItemMetaObject(data, type) + , m_object(QQuickVisualAdaptorModelPrivate::get(data->model)->m_listAccessor->at(data->index[0]).value()) {} int metaCall(QMetaObject::Call call, int id, void **arguments) @@ -405,7 +506,7 @@ public: QDeclarativeGuard m_object; }; -class QQuickVDMObjectData : public QQuickVisualAdaptorModelData, public QQuickVisualAdaptorModelProxyInterface +class QQuickVDMObjectData : public QQuickVisualDataModelItem, public QQuickVisualAdaptorModelProxyInterface { Q_OBJECT Q_PROPERTY(QObject *modelData READ modelData CONSTANT) @@ -414,13 +515,21 @@ public: QObject *modelData() const { return m_metaObject->m_object; } QObject *proxiedObject() { return m_metaObject->m_object; } - static QQuickVisualAdaptorModelData *create(int index, QQuickVisualAdaptorModel *model) { - return new QQuickVDMObjectData(index, model); } + static QQuickVisualDataModelItem *create( + QQuickVisualDataModelItemMetaType *metaType, QQuickVisualAdaptorModel *model, int index) { + return new QQuickVDMObjectData(metaType, model, index); } + + static QString stringValue(QQuickVisualAdaptorModel *model, int index, const QString &name) + { + if (QObject *object = QQuickVisualAdaptorModelPrivate::get(model)->m_listAccessor->at(index).value()) + return object->property(name.toUtf8()).toString(); + return QString(); + } private: - QQuickVDMObjectData(int index, QQuickVisualAdaptorModel *model) - : QQuickVisualAdaptorModelData(index, model) - , m_metaObject(new QQuickVDMObjectDataMetaObject(this, QQuickVisualAdaptorModelPrivate::get(m_model)->m_delegateDataType)) + QQuickVDMObjectData(QQuickVisualDataModelItemMetaType *metaType, QQuickVisualAdaptorModel *model, int index) + : QQuickVisualDataModelItem(metaType, model, index) + , m_metaObject(new QQuickVDMObjectDataMetaObject(this, QQuickVisualAdaptorModelPrivate::get(model)->m_delegateDataType)) { } @@ -441,17 +550,31 @@ void QQuickVisualAdaptorModelPrivate::addProperty( m_propertyData.append(propertyData); } -QQuickVisualAdaptorModelData *QQuickVisualAdaptorModelPrivate::createMetaObject(int index, QQuickVisualAdaptorModel *model) +void QQuickVisualAdaptorModelPrivate::createMetaObject() { Q_ASSERT(!m_delegateDataType); m_objectList = false; m_propertyData.clear(); + + QV8Engine *v8Engine = QDeclarativeEnginePrivate::getV8Engine(m_engine); + + v8::HandleScope handleScope; + v8::Context::Scope contextScope(v8Engine->context()); + v8::Local ft = v8::FunctionTemplate::New(); + ft->InstanceTemplate()->SetHasExternalResource(true); + ft->PrototypeTemplate()->SetAccessor( + v8::String::New("index"), QQuickVisualDataModelItemMetaObject::get_index); + if (m_listAccessor && m_listAccessor->type() != QDeclarativeListAccessor::ListProperty && m_listAccessor->type() != QDeclarativeListAccessor::Instance) { - createModelData = &QQuickVDMListAccessorData::create; - return QQuickVDMListAccessorData::create(index, model); + createItem = &QQuickVDMListAccessorData::create; + stringValue = &QQuickVDMListAccessorData::stringValue; + ft->PrototypeTemplate()->SetAccessor( + v8::String::New("modelData"), QQuickVDMListAccessorData::get_modelData); + m_constructor = qPersistentNew(ft->GetFunction()); + return; } m_delegateDataType = new VDMDelegateDataType; @@ -460,65 +583,63 @@ QQuickVisualAdaptorModelData *QQuickVisualAdaptorModelPrivate::createMetaObject( QList roles = m_listModelInterface->roles(); for (int propertyId = 0; propertyId < roles.count(); ++propertyId) { const int role = roles.at(propertyId); - const QByteArray propertyName = m_listModelInterface->toString(role).toUtf8(); + const QString roleName = m_listModelInterface->toString(role); + const QByteArray propertyName = roleName.toUtf8(); addProperty(role, propertyId, propertyName, "QVariant"); + ft->PrototypeTemplate()->SetAccessor( + v8Engine->toString(roleName), + QQuickVDMListModelInterfaceData::get_property, + 0, + v8::Int32::New(role)); m_roleNames.insert(propertyName, role); } - if (m_propertyData.count() == 1) + if (m_propertyData.count() == 1) { addProperty(roles.first(), 1, "modelData", "QVariant", true); + ft->PrototypeTemplate()->SetAccessor( + v8::String::New("modelData"), + QQuickVDMListModelInterfaceData::get_property, + 0, + v8::Int32::New(roles.first())); + } } else if (m_abstractItemModel) { setModelDataType(); QHash roleNames = m_abstractItemModel->roleNames(); for (QHash::const_iterator it = roleNames.begin(); it != roleNames.end(); ++it) { addProperty(it.key(), m_propertyData.count(), it.value(), "QVariant"); + ft->PrototypeTemplate()->SetAccessor( + v8::String::New(it.value().constData(), it.value().length()), + QQuickVDMAbstractItemModelData::get_property, + 0, + v8::Int32::New(it.key())); m_roleNames.insert(it.value(), it.key()); } - if (m_propertyData.count() == 1) + if (m_propertyData.count() == 1) { addProperty(roleNames.begin().key(), 1, "modelData", "QVariant", true); + ft->PrototypeTemplate()->SetAccessor( + v8::String::New("modelData"), + QQuickVDMAbstractItemModelData::get_property, + 0, + v8::Int32::New(roleNames.begin().key())); + } + ft->PrototypeTemplate()->SetAccessor( + v8::String::New("hasModelChildren"), + QQuickVDMAbstractItemModelData::get_hasModelChildren); } else if (m_listAccessor) { setModelDataType(); m_objectList = true; m_flags = QQuickVisualAdaptorModel::ProxiedObject; } else { Q_ASSERT(!"No model set on VisualDataModel"); - return 0; + return; } m_delegateDataType->metaObject = m_delegateDataType->builder.toMetaObject(); if (!m_objectList) { m_delegateDataType->propertyCache = new QDeclarativePropertyCache( m_engine, m_delegateDataType->metaObject); - } - return createModelData(index, model); -} - -QQuickVisualAdaptorModelData::QQuickVisualAdaptorModelData(int index, QQuickVisualAdaptorModel *model) - : m_index(index) - , m_model(model) -{ - QQuickVisualAdaptorModelPrivate *m = QQuickVisualAdaptorModelPrivate::get(model); - if (m->m_delegateDataType && m->m_delegateDataType->propertyCache) { - QDeclarativeData *qmldata = QDeclarativeData::get(this, true); - qmldata->propertyCache = m->m_delegateDataType->propertyCache; - qmldata->propertyCache->addref(); + m_constructor = qPersistentNew(ft->GetFunction()); } } -QQuickVisualAdaptorModelData::~QQuickVisualAdaptorModelData() -{ -} - -int QQuickVisualAdaptorModelData::index() const -{ - return m_index; -} - -// This is internal only - it should not be set from qml -void QQuickVisualAdaptorModelData::setIndex(int index) -{ - m_index = index; - emit indexChanged(); -} - //--------------------------------------------------------------------------- QQuickVisualAdaptorModel::QQuickVisualAdaptorModel(QObject *parent) @@ -585,7 +706,9 @@ void QQuickVisualAdaptorModel::setModel(const QVariant &model, QDeclarativeEngin if (d->m_delegateDataType) d->m_delegateDataType->release(); d->m_delegateDataType = 0; - d->createModelData = &QQuickVisualAdaptorModelPrivate::initializeModelData; + d->createItem = &QQuickVisualAdaptorModelPrivate::initializeModelData; + d->stringValue = &QQuickVisualAdaptorModelPrivate::initializeStringValue; + qPersistentDispose(d->m_constructor); if (d->m_count) emit itemsRemoved(0, d->m_count); @@ -672,55 +795,25 @@ int QQuickVisualAdaptorModel::count() const return d->modelCount(); } -QObject *QQuickVisualAdaptorModel::data(int index) +QQuickVisualDataModelItem *QQuickVisualAdaptorModel::createItem(QQuickVisualDataModelItemMetaType *metaType, int index) { Q_D(QQuickVisualAdaptorModel); - QQuickVisualAdaptorModelData *data = d->createModelData(index, this); + QQuickVisualDataModelItem *data = d->createItem(metaType, this, index); d->m_cache.insert(data); - return data; -} - -QString QQuickVisualAdaptorModel::stringValue(int index, const QString &name) -{ - Q_D(QQuickVisualAdaptorModel); - if ((!d->m_listModelInterface || !d->m_abstractItemModel) && d->m_listAccessor) { - if (QObject *object = d->m_listAccessor->at(index).value()) - return object->property(name.toUtf8()).toString(); - } - QString val; - QQuickVisualAdaptorModelData *data = d->createModelData(index, this); - - QDeclarativeData *ddata = QDeclarativeData::get(data); - if (ddata && ddata->propertyCache) { - QDeclarativePropertyData *prop = ddata->propertyCache->property(name); - if (prop) { - if (prop->propType == QVariant::String) { - void *args[] = { &val, 0 }; - QMetaObject::metacall(data, QMetaObject::ReadProperty, prop->coreIndex, args); - } else if (prop->propType == qMetaTypeId()) { - QVariant v; - void *args[] = { &v, 0 }; - QMetaObject::metacall(data, QMetaObject::ReadProperty, prop->coreIndex, args); - val = v.toString(); - } - } else { - val = data->property(name.toUtf8()).toString(); - } - } else { - val = data->property(name.toUtf8()).toString(); + if (d->m_delegateDataType && d->m_delegateDataType->propertyCache) { + QDeclarativeData *qmldata = QDeclarativeData::get(data, true); + qmldata->propertyCache = d->m_delegateDataType->propertyCache; + qmldata->propertyCache->addref(); } - delete data; - - return val; + return data; } -int QQuickVisualAdaptorModel::indexOf(QObject *object) const +QString QQuickVisualAdaptorModel::stringValue(int index, const QString &name) { - if (QQuickVisualAdaptorModelData *data = qobject_cast(object)) - return data->index(); - return -1; + Q_D(QQuickVisualAdaptorModel); + return d->stringValue(this, index, name); } bool QQuickVisualAdaptorModel::canFetchMore() const @@ -771,11 +864,11 @@ void QQuickVisualAdaptorModel::_q_itemsChanged(int index, int count, const QList signalIndexes.append(propertyId + d->m_delegateDataType->signalOffset); } - typedef QQuickVisualAdaptorModelDataCache::iterator iterator; + typedef QQuickVisualDataModelItemCache::iterator iterator; for (iterator it = d->m_cache.begin(); it != d->m_cache.end(); ++it) { - const int idx = it->index(); + const int idx = it->modelIndex(); if (idx >= index && idx < index + count) { - QQuickVisualAdaptorModelData *data = *it; + QQuickVisualDataModelItem *data = *it; for (int i = 0; i < signalIndexes.count(); ++i) QMetaObject::activate(data, signalIndexes.at(i), 0); } @@ -791,10 +884,10 @@ void QQuickVisualAdaptorModel::_q_itemsInserted(int index, int count) return; d->m_count += count; - typedef QQuickVisualAdaptorModelDataCache::iterator iterator; + typedef QQuickVisualDataModelItemCache::iterator iterator; for (iterator it = d->m_cache.begin(); it != d->m_cache.end(); ++it) { - if (it->index() >= index) - it->setIndex(it->index() + count); + if (it->modelIndex() >= index) + it->setModelIndex(it->modelIndex() + count); } emit itemsInserted(index, count); @@ -807,12 +900,12 @@ void QQuickVisualAdaptorModel::_q_itemsRemoved(int index, int count) return; d->m_count -= count; - typedef QQuickVisualAdaptorModelDataCache::iterator iterator; + typedef QQuickVisualDataModelItemCache::iterator iterator; for (iterator it = d->m_cache.begin(); it != d->m_cache.end(); ++it) { - if (it->index() >= index + count) - it->setIndex(it->index() - count); - else if (it->index() >= index) - it->setIndex(-1); + if (it->modelIndex() >= index + count) + it->setModelIndex(it->modelIndex() - count); + else if (it->modelIndex() >= index) + it->setModelIndex(-1); } emit itemsRemoved(index, count); @@ -825,12 +918,12 @@ void QQuickVisualAdaptorModel::_q_itemsMoved(int from, int to, int count) const int maximum = qMax(from, to) + count; const int difference = from > to ? count : -count; - typedef QQuickVisualAdaptorModelDataCache::iterator iterator; + typedef QQuickVisualDataModelItemCache::iterator iterator; for (iterator it = d->m_cache.begin(); it != d->m_cache.end(); ++it) { - if (it->index() >= from && it->index() < from + count) - it->setIndex(it->index() - from + to); - else if (it->index() >= minimum && it->index() < maximum) - it->setIndex(it->index() + difference); + if (it->modelIndex() >= from && it->modelIndex() < from + count) + it->setModelIndex(it->modelIndex() - from + to); + else if (it->modelIndex() >= minimum && it->modelIndex() < maximum) + it->setModelIndex(it->modelIndex() + difference); } emit itemsMoved(from, to, count); } diff --git a/src/quick/items/qquickvisualadaptormodel_p.h b/src/quick/items/qquickvisualadaptormodel_p.h index 41d913c47e..83ab20f5db 100644 --- a/src/quick/items/qquickvisualadaptormodel_p.h +++ b/src/quick/items/qquickvisualadaptormodel_p.h @@ -45,14 +45,15 @@ #include #include -#include - QT_BEGIN_HEADER QT_BEGIN_NAMESPACE class QDeclarativeEngine; +class QQuickVisualDataModelItem; +class QQuickVisualDataModelItemMetaType; + class QQuickVisualAdaptorModelPrivate; class QQuickVisualAdaptorModel : public QObject { @@ -80,10 +81,9 @@ public: QVariant parentModelIndex() const; int count() const; - QObject *data(int index); + QQuickVisualDataModelItem *createItem(QQuickVisualDataModelItemMetaType *metaType, int index); QString stringValue(int index, const QString &role); void replaceWatchedRoles(const QList &oldRoles, const QList &newRoles); - int indexOf(QObject *object) const; bool canFetchMore() const; void fetchMore(); diff --git a/src/quick/items/qquickvisualdatamodel.cpp b/src/quick/items/qquickvisualdatamodel.cpp index 621ab124bb..caad582cdd 100644 --- a/src/quick/items/qquickvisualdatamodel.cpp +++ b/src/quick/items/qquickvisualdatamodel.cpp @@ -39,333 +39,19 @@ ** ****************************************************************************/ -#include "qquickvisualdatamodel_p.h" +#include "qquickvisualdatamodel_p_p.h" #include "qquickitem.h" -#include -#include -#include -#include #include -#include -#include #include -#include -#include -#include -#include -#include -#include #include -#include #include #include -#include #include -#include -#include - -#include -#include QT_BEGIN_NAMESPACE -typedef QDeclarativeListCompositor Compositor; - -class QQuickVisualDataModelPrivate; -class QVDMIncubationTask : public QDeclarativeIncubator -{ -public: - QVDMIncubationTask(QQuickVisualDataModelPrivate *l, IncubationMode mode) - : QDeclarativeIncubator(mode) - , incubating(0) - , incubatingContext(0) - , vdm(l) {} - - virtual void statusChanged(Status); - virtual void setInitialState(QObject *); - - QQuickVisualDataModelCacheItem *incubating; - QDeclarativeContext *incubatingContext; - -private: - QQuickVisualDataModelPrivate *vdm; -}; - - -class QQuickVisualDataGroupEmitter -{ -public: - virtual void emitModelUpdated(const QDeclarativeChangeSet &changeSet, bool reset) = 0; - virtual void createdPackage(int, QDeclarativePackage *) {} - virtual void initPackage(int, QDeclarativePackage *) {} - virtual void destroyingPackage(QDeclarativePackage *) {} - - QIntrusiveListNode emitterNode; -}; - -typedef QIntrusiveList QQuickVisualDataGroupEmitterList; - -//--------------------------------------------------------------------------- - -class QQuickVisualDataGroupPrivate : public QObjectPrivate -{ -public: - Q_DECLARE_PUBLIC(QQuickVisualDataGroup) - - QQuickVisualDataGroupPrivate() : group(Compositor::Cache), defaultInclude(false) {} - - static QQuickVisualDataGroupPrivate *get(QQuickVisualDataGroup *group) { - return static_cast(QObjectPrivate::get(group)); } - - void setModel(QQuickVisualDataModel *model, Compositor::Group group); - void emitChanges(QV8Engine *engine); - void emitModelUpdated(bool reset); - - void createdPackage(int index, QDeclarativePackage *package); - void initPackage(int index, QDeclarativePackage *package); - void destroyingPackage(QDeclarativePackage *package); - - bool parseGroupArgs(QDeclarativeV8Function *args, int *index, int *count, int *groups) const; - - Compositor::Group group; - QDeclarativeGuard model; - QQuickVisualDataGroupEmitterList emitters; - QDeclarativeChangeSet changeSet; - QString name; - bool defaultInclude; -}; - -//--------------------------------------------------------------------------- - -class QQuickVisualDataModelCacheItem; -class QQuickVisualDataModelCacheMetaType; -class QQuickVisualDataModelParts; - -class QQuickVisualDataModelCacheMetaType : public QDeclarativeRefCount -{ -public: - QQuickVisualDataModelCacheMetaType(QV8Engine *engine, QQuickVisualDataModel *model, const QStringList &groupNames); - ~QQuickVisualDataModelCacheMetaType(); - - int parseGroups(const QStringList &groupNames) const; - int parseGroups(QV8Engine *engine, const v8::Local &groupNames) const; - - static v8::Handle get_model(v8::Local, const v8::AccessorInfo &info); - static v8::Handle get_groups(v8::Local, const v8::AccessorInfo &info); - static void set_groups( - v8::Local, v8::Local value, const v8::AccessorInfo &info); - static v8::Handle get_member(v8::Local, const v8::AccessorInfo &info); - static void set_member( - v8::Local, v8::Local value, const v8::AccessorInfo &info); - static v8::Handle get_index(v8::Local, const v8::AccessorInfo &info); - - QDeclarativeGuard model; - const int groupCount; - const int memberPropertyOffset; - const int indexPropertyOffset; - QV8Engine * const v8Engine; - QMetaObject *metaObject; - const QStringList groupNames; - v8::Persistent constructor; -}; - -class QQuickVisualDataModelCacheItem : public QV8ObjectResource -{ - V8_RESOURCE_TYPE(VisualDataItemType) -public: - QQuickVisualDataModelCacheItem(QQuickVisualDataModelCacheMetaType *metaType) - : QV8ObjectResource(metaType->v8Engine) - , metaType(metaType) - , object(0) - , attached(0) - , objectRef(0) - , scriptRef(0) - , groups(0) - , incubationTask(0) - { - metaType->addref(); - } - - ~QQuickVisualDataModelCacheItem(); - - void referenceObject() { ++objectRef; } - bool releaseObject() { return --objectRef == 0 && !(groups & Compositor::PersistedFlag); } - bool isObjectReferenced() const { return objectRef == 0 && !(groups & Compositor::PersistedFlag); } - - bool isReferenced() const { return objectRef || scriptRef || (groups & Compositor::PersistedFlag) || incubationTask; } - - void Dispose(); - - QQuickVisualDataModelCacheMetaType * const metaType; - QDeclarativeGuard object; - QQuickVisualDataModelAttached *attached; - int objectRef; - int scriptRef; - int groups; - int index[Compositor::MaximumGroupCount]; - QVDMIncubationTask *incubationTask; -}; - - -class QQuickVisualDataModelPrivate : public QObjectPrivate, public QQuickVisualDataGroupEmitter -{ - Q_DECLARE_PUBLIC(QQuickVisualDataModel) -public: - QQuickVisualDataModelPrivate(QDeclarativeContext *); - ~QQuickVisualDataModelPrivate(); - - static QQuickVisualDataModelPrivate *get(QQuickVisualDataModel *m) { - return static_cast(QObjectPrivate::get(m)); - } - - void init(); - void connectModel(QQuickVisualAdaptorModel *model); - - QObject *object(Compositor::Group group, int index, bool asynchronous, bool reference); - void destroy(QObject *object); - QQuickVisualDataModel::ReleaseFlags release(QObject *object); - QString stringValue(Compositor::Group group, int index, const QString &name); - int cacheIndexOf(QObject *object) const; - void emitCreatedPackage(QQuickVisualDataModelCacheItem *cacheItem, QDeclarativePackage *package); - void emitInitPackage(QQuickVisualDataModelCacheItem *cacheItem, QDeclarativePackage *package); - void emitCreatedItem(QQuickVisualDataModelCacheItem *cacheItem, QQuickItem *item) { - emit q_func()->createdItem(cacheItem->index[m_compositorGroup], item); } - void emitInitItem(QQuickVisualDataModelCacheItem *cacheItem, QQuickItem *item) { - emit q_func()->initItem(cacheItem->index[m_compositorGroup], item); } - void emitDestroyingPackage(QDeclarativePackage *package); - void emitDestroyingItem(QQuickItem *item) { emit q_func()->destroyingItem(item); } - - void updateFilterGroup(); - - void addGroups(Compositor::Group group, int index, int count, int groupFlags); - void removeGroups(Compositor::Group group, int index, int count, int groupFlags); - void setGroups(Compositor::Group group, int index, int count, int groupFlags); - - void itemsInserted( - const QVector &inserts, - QVarLengthArray, Compositor::MaximumGroupCount> *translatedInserts, - QHash > *movedItems = 0); - void itemsInserted(const QVector &inserts); - void itemsRemoved( - const QVector &removes, - QVarLengthArray, Compositor::MaximumGroupCount> *translatedRemoves, - QHash > *movedItems = 0); - void itemsRemoved(const QVector &removes); - void itemsMoved( - const QVector &removes, const QVector &inserts); - void itemsChanged(const QVector &changes); - template static v8::Local buildChangeList(const QVector &changes); - void emitChanges(); - void emitModelUpdated(const QDeclarativeChangeSet &changeSet, bool reset); - - - static void group_append(QDeclarativeListProperty *property, QQuickVisualDataGroup *group); - static int group_count(QDeclarativeListProperty *property); - static QQuickVisualDataGroup *group_at(QDeclarativeListProperty *property, int index); - - void releaseIncubator(QVDMIncubationTask *incubationTask); - void incubatorStatusChanged(QVDMIncubationTask *incubationTask, QDeclarativeIncubator::Status status); - void setInitialState(QVDMIncubationTask *incubationTask, QObject *o); - - QQuickVisualAdaptorModel *m_adaptorModel; - QDeclarativeComponent *m_delegate; - QQuickVisualDataModelCacheMetaType *m_cacheMetaType; - QDeclarativeGuard m_context; - - QList m_cache; - QQuickVisualDataModelParts *m_parts; - QQuickVisualDataGroupEmitterList m_pendingParts; - - QDeclarativeListCompositor m_compositor; - QDeclarativeListCompositor::Group m_compositorGroup; - bool m_complete : 1; - bool m_delegateValidated : 1; - bool m_reset : 1; - bool m_transaction : 1; - bool m_incubatorCleanupScheduled : 1; - - QString m_filterGroup; - QList watchedRoles; - - union { - struct { - QQuickVisualDataGroup *m_cacheItems; - QQuickVisualDataGroup *m_items; - QQuickVisualDataGroup *m_persistedItems; - }; - QQuickVisualDataGroup *m_groups[Compositor::MaximumGroupCount]; - }; - int m_groupCount; - - QList m_finishedIncubating; -}; - -//--------------------------------------------------------------------------- - -class QQuickVisualPartsModel : public QQuickVisualModel, public QQuickVisualDataGroupEmitter -{ - Q_OBJECT - Q_PROPERTY(QString filterOnGroup READ filterGroup WRITE setFilterGroup NOTIFY filterGroupChanged RESET resetFilterGroup) -public: - QQuickVisualPartsModel(QQuickVisualDataModel *model, const QString &part, QObject *parent = 0); - ~QQuickVisualPartsModel(); - - QString filterGroup() const; - void setFilterGroup(const QString &group); - void resetFilterGroup(); - void updateFilterGroup(); - void updateFilterGroup(Compositor::Group group, const QDeclarativeChangeSet &changeSet); - - int count() const; - bool isValid() const; - QQuickItem *item(int index, bool asynchronous=false); - ReleaseFlags release(QQuickItem *item); - QString stringValue(int index, const QString &role); - void setWatchedRoles(QList roles); - - int indexOf(QQuickItem *item, QObject *objectContext) const; - - void emitModelUpdated(const QDeclarativeChangeSet &changeSet, bool reset); - - void createdPackage(int index, QDeclarativePackage *package); - void initPackage(int index, QDeclarativePackage *package); - void destroyingPackage(QDeclarativePackage *package); - -Q_SIGNALS: - void filterGroupChanged(); - -private: - QQuickVisualDataModel *m_model; - QHash m_packaged; - QString m_part; - QString m_filterGroup; - QList m_watchedRoles; - Compositor::Group m_compositorGroup; - bool m_inheritGroup; -}; - -class QQuickVisualDataModelPartsMetaObject : public QDeclarativeOpenMetaObject -{ -public: - QQuickVisualDataModelPartsMetaObject(QObject *parent) - : QDeclarativeOpenMetaObject(parent) {} - - virtual void propertyCreated(int, QMetaPropertyBuilder &); - virtual QVariant initialValue(int); -}; - -class QQuickVisualDataModelParts : public QObject -{ -Q_OBJECT -public: - QQuickVisualDataModelParts(QQuickVisualDataModel *parent); - - QQuickVisualDataModel *model; - QList models; -}; - void QQuickVisualDataModelPartsMetaObject::propertyCreated(int, QMetaPropertyBuilder &prop) { prop.setWritable(false); @@ -386,20 +72,6 @@ QQuickVisualDataModelParts::QQuickVisualDataModelParts(QQuickVisualDataModel *pa new QQuickVisualDataModelPartsMetaObject(this); } -class QQuickVisualDataModelAttachedMetaObject : public QAbstractDynamicMetaObject -{ -public: - QQuickVisualDataModelAttachedMetaObject( - QQuickVisualDataModelAttached *attached, QQuickVisualDataModelCacheMetaType *metaType); - ~QQuickVisualDataModelAttachedMetaObject(); - - int metaCall(QMetaObject::Call, int _id, void **); - -private: - QQuickVisualDataModelAttached *attached; - QQuickVisualDataModelCacheMetaType *metaType; -}; - //--------------------------------------------------------------------------- QHash QQuickVisualDataModelAttached::attachedProperties; @@ -491,8 +163,12 @@ QQuickVisualDataModel::~QQuickVisualDataModel() { Q_D(QQuickVisualDataModel); - foreach (QQuickVisualDataModelCacheItem *cacheItem, d->m_cache) { + foreach (QQuickVisualDataModelItem *cacheItem, d->m_cache) { + // If the object holds the last reference to the cache item deleting it will also + // delete the cache item, temporarily increase the reference count to avoid this. + cacheItem->scriptRef += 1; delete cacheItem->object; + cacheItem->scriptRef -= 1; cacheItem->object = 0; cacheItem->objectRef = 0; if (!cacheItem->isReferenced()) @@ -545,7 +221,7 @@ void QQuickVisualDataModel::componentComplete() if (!d->m_context) d->m_context = qmlContext(this); - d->m_cacheMetaType = new QQuickVisualDataModelCacheMetaType( + d->m_cacheMetaType = new QQuickVisualDataModelItemMetaType( QDeclarativeEnginePrivate::getV8Engine(d->m_context->engine()), this, groupNames); d->m_compositor.setGroupCount(d->m_groupCount); @@ -743,19 +419,13 @@ QQuickVisualDataModel::ReleaseFlags QQuickVisualDataModelPrivate::release(QObjec int cacheIndex = cacheIndexOf(object); if (cacheIndex != -1) { - QQuickVisualDataModelCacheItem *cacheItem = m_cache.at(cacheIndex); + QQuickVisualDataModelItem *cacheItem = m_cache.at(cacheIndex); if (cacheItem->releaseObject()) { destroy(object); if (QQuickItem *item = qobject_cast(object)) emitDestroyingItem(item); cacheItem->object = 0; stat |= QQuickVisualModel::Destroyed; - if (!cacheItem->isReferenced()) { - m_compositor.clearFlags(Compositor::Cache, cacheIndex, 1, Compositor::CacheFlag); - m_cache.removeAt(cacheIndex); - delete cacheItem; - Q_ASSERT(m_cache.count() == m_compositor.count(Compositor::Cache)); - } } else { stat |= QQuickVisualDataModel::Referenced; } @@ -782,7 +452,7 @@ void QQuickVisualDataModelPrivate::group_append( QQuickVisualDataModelPrivate *d = static_cast(property->data); if (d->m_complete) return; - if (d->m_groupCount == 11) { + if (d->m_groupCount == Compositor::MaximumGroupCount) { qmlInfo(d->q_func()) << QQuickVisualDataModel::tr("The maximum number of supported VisualDataGroups is 8"); return; } @@ -978,13 +648,13 @@ QObject *QQuickVisualDataModel::parts() return d->m_parts; } -void QQuickVisualDataModelPrivate::emitCreatedPackage(QQuickVisualDataModelCacheItem *cacheItem, QDeclarativePackage *package) +void QQuickVisualDataModelPrivate::emitCreatedPackage(QQuickVisualDataModelItem *cacheItem, QDeclarativePackage *package) { for (int i = 1; i < m_groupCount; ++i) QQuickVisualDataGroupPrivate::get(m_groups[i])->createdPackage(cacheItem->index[i], package); } -void QQuickVisualDataModelPrivate::emitInitPackage(QQuickVisualDataModelCacheItem *cacheItem, QDeclarativePackage *package) +void QQuickVisualDataModelPrivate::emitInitPackage(QQuickVisualDataModelItem *cacheItem, QDeclarativePackage *package) { for (int i = 1; i < m_groupCount; ++i) QQuickVisualDataGroupPrivate::get(m_groups[i])->initPackage(cacheItem->index[i], package); @@ -1019,7 +689,7 @@ void QQuickVisualDataModelPrivate::incubatorStatusChanged(QVDMIncubationTask *in if (status != QDeclarativeIncubator::Ready && status != QDeclarativeIncubator::Error) return; - QQuickVisualDataModelCacheItem *cacheItem = incubationTask->incubating; + QQuickVisualDataModelItem *cacheItem = incubationTask->incubating; cacheItem->incubationTask = 0; if (status == QDeclarativeIncubator::Ready) { @@ -1051,7 +721,7 @@ void QVDMIncubationTask::setInitialState(QObject *o) void QQuickVisualDataModelPrivate::setInitialState(QVDMIncubationTask *incubationTask, QObject *o) { - QQuickVisualDataModelCacheItem *cacheItem = incubationTask->incubating; + QQuickVisualDataModelItem *cacheItem = incubationTask->incubating; cacheItem->object = o; QDeclarative_setParent_noEvent(incubationTask->incubatingContext, cacheItem->object); incubationTask->incubatingContext = 0; @@ -1076,17 +746,15 @@ QObject *QQuickVisualDataModelPrivate::object(Compositor::Group group, int index } Compositor::iterator it = m_compositor.find(group, index); - QQuickVisualDataModelCacheItem *cacheItem = it->inCache() ? m_cache.at(it.cacheIndex) : 0; + + QQuickVisualDataModelItem *cacheItem = it->inCache() ? m_cache.at(it.cacheIndex) : 0; + if (!cacheItem) { - cacheItem = new QQuickVisualDataModelCacheItem(m_cacheMetaType); - for (int i = 0; i < m_groupCount; ++i) + cacheItem = m_adaptorModel->createItem(m_cacheMetaType, it.modelIndex()); + for (int i = 1; i < m_groupCount; ++i) cacheItem->index[i] = it.index[i]; cacheItem->groups = it->flags & Compositor::GroupMask; - } - int modelIndex = it.modelIndex(); - - if (!it->inCache()) { m_cache.insert(it.cacheIndex, cacheItem); m_compositor.setFlags(it, 1, Compositor::CacheFlag); Q_ASSERT(m_cache.count() == m_compositor.count(Compositor::Cache)); @@ -1101,22 +769,19 @@ QObject *QQuickVisualDataModelPrivate::object(Compositor::Group group, int index QVDMIncubationTask *incubator = new QVDMIncubationTask(this, asynchronous ? QDeclarativeIncubator::Asynchronous : QDeclarativeIncubator::AsynchronousIfNested); cacheItem->incubationTask = incubator; - QObject *data = m_adaptorModel->data(modelIndex); - QDeclarativeContext *creationContext = m_delegate->creationContext(); - QDeclarativeContext *rootContext = new QDeclarativeContext( - creationContext ? creationContext : m_context.data()); + QDeclarativeContext *rootContext = new QQuickVisualDataModelContext( + cacheItem, creationContext ? creationContext : m_context.data()); QDeclarativeContext *ctxt = rootContext; if (m_adaptorModel->flags() & QQuickVisualAdaptorModel::ProxiedObject) { - if (QQuickVisualAdaptorModelProxyInterface *proxy = qobject_cast(data)) { + if (QQuickVisualAdaptorModelProxyInterface *proxy = qobject_cast(cacheItem)) { ctxt->setContextObject(proxy->proxiedObject()); - ctxt = new QDeclarativeContext(ctxt, ctxt); + ctxt = new QQuickVisualDataModelContext(cacheItem, ctxt, ctxt); } } - QDeclarative_setParent_noEvent(data, ctxt); - ctxt->setContextProperty(QLatin1String("model"), data); - ctxt->setContextObject(data); + ctxt->setContextProperty(QLatin1String("model"), cacheItem); + ctxt->setContextObject(cacheItem); incubator->incubating = cacheItem; incubator->incubatingContext = rootContext; @@ -1202,31 +867,37 @@ void QQuickVisualDataModel::setWatchedRoles(QList roles) d->watchedRoles = roles; } -void QQuickVisualDataModelPrivate::addGroups(Compositor::Group group, int index, int count, int groupFlags) +void QQuickVisualDataModelPrivate::addGroups( + Compositor::iterator from, int count, Compositor::Group group, int groupFlags) { QVector inserts; - m_compositor.setFlags(group, index, count, groupFlags, &inserts); + m_compositor.setFlags(from, count, group, groupFlags, &inserts); itemsInserted(inserts); emitChanges(); } -void QQuickVisualDataModelPrivate::removeGroups(Compositor::Group group, int index, int count, int groupFlags) +void QQuickVisualDataModelPrivate::removeGroups( + Compositor::iterator from, int count, Compositor::Group group, int groupFlags) { QVector removes; - m_compositor.clearFlags(group, index, count, groupFlags, &removes); + m_compositor.clearFlags(from, count, group, groupFlags, &removes); itemsRemoved(removes); emitChanges(); } -void QQuickVisualDataModelPrivate::setGroups(Compositor::Group group, int index, int count, int groupFlags) +void QQuickVisualDataModelPrivate::setGroups( + Compositor::iterator from, int count, Compositor::Group group, int groupFlags) { + QVector removes; QVector inserts; - m_compositor.setFlags(group, index, count, groupFlags, &inserts); + + m_compositor.setFlags(from, count, group, groupFlags, &inserts); itemsInserted(inserts); const int removeFlags = ~groupFlags & Compositor::GroupMask; - QVector removes; - m_compositor.clearFlags(group, index, count, removeFlags, &removes); + + from = m_compositor.find(from.group, from.index[from.group]); + m_compositor.clearFlags(from, count, group, removeFlags, &removes); itemsRemoved(removes); emitChanges(); @@ -1279,7 +950,7 @@ void QQuickVisualDataModel::_q_itemsChanged(int index, int count) void QQuickVisualDataModelPrivate::itemsInserted( const QVector &inserts, QVarLengthArray, Compositor::MaximumGroupCount> *translatedInserts, - QHash > *movedItems) + QHash > *movedItems) { int cacheIndex = 0; @@ -1289,9 +960,7 @@ void QQuickVisualDataModelPrivate::itemsInserted( foreach (const Compositor::Insert &insert, inserts) { for (; cacheIndex < insert.cacheIndex; ++cacheIndex) { - QQuickVisualDataModelCacheItem *cacheItem = m_cache.at(cacheIndex); - if (!cacheItem->groups) - continue; + QQuickVisualDataModelItem *cacheItem = m_cache.at(cacheIndex); for (int i = 1; i < m_groupCount; ++i) cacheItem->index[i] += inserted[i]; } @@ -1307,13 +976,13 @@ void QQuickVisualDataModelPrivate::itemsInserted( continue; if (movedItems && insert.isMove()) { - QList items = movedItems->take(insert.moveId); + QList items = movedItems->take(insert.moveId); Q_ASSERT(items.count() == insert.count); m_cache = m_cache.mid(0, insert.cacheIndex) + items + m_cache.mid(insert.cacheIndex); } if (insert.inGroup()) { for (int offset = 0; cacheIndex < insert.cacheIndex + insert.count; ++cacheIndex, ++offset) { - QQuickVisualDataModelCacheItem *cacheItem = m_cache.at(cacheIndex); + QQuickVisualDataModelItem *cacheItem = m_cache.at(cacheIndex); cacheItem->groups |= insert.flags & Compositor::GroupMask; for (int i = 1; i < m_groupCount; ++i) { cacheItem->index[i] = cacheItem->groups & (1 << i) @@ -1326,9 +995,7 @@ void QQuickVisualDataModelPrivate::itemsInserted( } } for (; cacheIndex < m_cache.count(); ++cacheIndex) { - QQuickVisualDataModelCacheItem *cacheItem = m_cache.at(cacheIndex); - if (!cacheItem->groups) - continue; + QQuickVisualDataModelItem *cacheItem = m_cache.at(cacheIndex); for (int i = 1; i < m_groupCount; ++i) cacheItem->index[i] += inserted[i]; } @@ -1361,7 +1028,7 @@ void QQuickVisualDataModel::_q_itemsInserted(int index, int count) void QQuickVisualDataModelPrivate::itemsRemoved( const QVector &removes, QVarLengthArray, Compositor::MaximumGroupCount> *translatedRemoves, - QHash > *movedItems) + QHash > *movedItems) { int cacheIndex = 0; int removedCache = 0; @@ -1372,9 +1039,7 @@ void QQuickVisualDataModelPrivate::itemsRemoved( foreach (const Compositor::Remove &remove, removes) { for (; cacheIndex < remove.cacheIndex; ++cacheIndex) { - QQuickVisualDataModelCacheItem *cacheItem = m_cache.at(cacheIndex); - if (!cacheItem->groups) - continue; + QQuickVisualDataModelItem *cacheItem = m_cache.at(cacheIndex); for (int i = 1; i < m_groupCount; ++i) cacheItem->index[i] -= removed[i]; } @@ -1391,12 +1056,12 @@ void QQuickVisualDataModelPrivate::itemsRemoved( if (movedItems && remove.isMove()) { movedItems->insert(remove.moveId, m_cache.mid(remove.cacheIndex, remove.count)); - QList::iterator begin = m_cache.begin() + remove.cacheIndex; - QList::iterator end = begin + remove.count; + QList::iterator begin = m_cache.begin() + remove.cacheIndex; + QList::iterator end = begin + remove.count; m_cache.erase(begin, end); } else { for (; cacheIndex < remove.cacheIndex + remove.count - removedCache; ++cacheIndex) { - QQuickVisualDataModelCacheItem *cacheItem = m_cache.at(cacheIndex); + QQuickVisualDataModelItem *cacheItem = m_cache.at(cacheIndex); if (remove.inGroup(Compositor::Persisted) && cacheItem->objectRef == 0 && cacheItem->object) { destroy(cacheItem->object); if (QDeclarativePackage *package = qobject_cast(cacheItem->object)) @@ -1405,14 +1070,7 @@ void QQuickVisualDataModelPrivate::itemsRemoved( emitDestroyingItem(item); cacheItem->object = 0; } - if (remove.groups() == cacheItem->groups && !cacheItem->isReferenced()) { - m_compositor.clearFlags(Compositor::Cache, cacheIndex, 1, Compositor::CacheFlag); - m_cache.removeAt(cacheIndex); - delete cacheItem; - --cacheIndex; - ++removedCache; - Q_ASSERT(m_cache.count() == m_compositor.count(Compositor::Cache)); - } else if (remove.groups() == cacheItem->groups) { + if (remove.groups() == cacheItem->groups) { cacheItem->groups = 0; for (int i = 1; i < m_groupCount; ++i) cacheItem->index[i] = -1; @@ -1428,9 +1086,7 @@ void QQuickVisualDataModelPrivate::itemsRemoved( } for (; cacheIndex < m_cache.count(); ++cacheIndex) { - QQuickVisualDataModelCacheItem *cacheItem = m_cache.at(cacheIndex); - if (!cacheItem->groups) - continue; + QQuickVisualDataModelItem *cacheItem = m_cache.at(cacheIndex); for (int i = 1; i < m_groupCount; ++i) cacheItem->index[i] -= removed[i]; } @@ -1463,7 +1119,7 @@ void QQuickVisualDataModel::_q_itemsRemoved(int index, int count) void QQuickVisualDataModelPrivate::itemsMoved( const QVector &removes, const QVector &inserts) { - QHash > movedItems; + QHash > movedItems; QVarLengthArray, Compositor::MaximumGroupCount> translatedRemoves(m_groupCount); itemsRemoved(removes, &translatedRemoves, &movedItems); @@ -1537,7 +1193,7 @@ void QQuickVisualDataModelPrivate::emitChanges() for (int i = 1; i < m_groupCount; ++i) QQuickVisualDataGroupPrivate::get(m_groups[i])->emitModelUpdated(reset); - foreach (QQuickVisualDataModelCacheItem *cacheItem, m_cache) { + foreach (QQuickVisualDataModelItem *cacheItem, m_cache) { if (cacheItem->object && cacheItem->attached) cacheItem->attached->emitChanges(); } @@ -1567,7 +1223,7 @@ QQuickVisualDataModelAttached *QQuickVisualDataModel::qmlAttachedProperties(QObj //============================================================================ -QQuickVisualDataModelCacheMetaType::QQuickVisualDataModelCacheMetaType( +QQuickVisualDataModelItemMetaType::QQuickVisualDataModelItemMetaType( QV8Engine *engine, QQuickVisualDataModel *model, const QStringList &groupNames) : model(model) , groupCount(groupNames.count() + 1) @@ -1617,13 +1273,13 @@ QQuickVisualDataModelCacheMetaType::QQuickVisualDataModelCacheMetaType( constructor = qPersistentNew(ft->GetFunction()); } -QQuickVisualDataModelCacheMetaType::~QQuickVisualDataModelCacheMetaType() +QQuickVisualDataModelItemMetaType::~QQuickVisualDataModelItemMetaType() { qFree(metaObject); qPersistentDispose(constructor); } -int QQuickVisualDataModelCacheMetaType::parseGroups(const QStringList &groups) const +int QQuickVisualDataModelItemMetaType::parseGroups(const QStringList &groups) const { int groupFlags = 0; foreach (const QString &groupName, groups) { @@ -1634,18 +1290,18 @@ int QQuickVisualDataModelCacheMetaType::parseGroups(const QStringList &groups) c return groupFlags; } -int QQuickVisualDataModelCacheMetaType::parseGroups(QV8Engine *engine, const v8::Local &groups) const +int QQuickVisualDataModelItemMetaType::parseGroups(const v8::Local &groups) const { int groupFlags = 0; if (groups->IsString()) { - const QString groupName = engine->toString(groups); + const QString groupName = v8Engine->toString(groups); int index = groupNames.indexOf(groupName); if (index != -1) groupFlags |= 2 << index; } else if (groups->IsArray()) { v8::Local array = v8::Local::Cast(groups); for (uint i = 0; i < array->Length(); ++i) { - const QString groupName = engine->toString(array->Get(i)); + const QString groupName = v8Engine->toString(array->Get(i)); int index = groupNames.indexOf(groupName); if (index != -1) groupFlags |= 2 << index; @@ -1654,35 +1310,41 @@ int QQuickVisualDataModelCacheMetaType::parseGroups(QV8Engine *engine, const v8: return groupFlags; } -v8::Handle QQuickVisualDataModelCacheMetaType::get_model( +void QQuickVisualDataModelItemMetaType::release_index(v8::Persistent object, void *data) +{ + static_cast(data)->indexHandle.Clear(); + qPersistentDispose(object); +} + +void QQuickVisualDataModelItemMetaType::release_model(v8::Persistent object, void *data) +{ + static_cast(data)->modelHandle.Clear(); + qPersistentDispose(object); +} + +v8::Handle QQuickVisualDataModelItemMetaType::get_model( v8::Local, const v8::AccessorInfo &info) { - QQuickVisualDataModelCacheItem *cacheItem = v8_resource_cast(info.This()); + QQuickVisualDataModelItem *cacheItem = v8_resource_cast(info.This()); if (!cacheItem) V8THROW_ERROR("Not a valid VisualData object"); if (!cacheItem->metaType->model) return v8::Undefined(); - QObject *data = 0; - QQuickVisualDataModelPrivate *model = QQuickVisualDataModelPrivate::get(cacheItem->metaType->model); - for (int i = 1; i < cacheItem->metaType->groupCount; ++i) { - if (cacheItem->groups & (1 << i)) { - Compositor::iterator it = model->m_compositor.find( - Compositor::Group(i), cacheItem->index[i]); - if (QQuickVisualAdaptorModel *list = it.list()) - data = list->data(it.modelIndex()); - break; - } + if (cacheItem->modelHandle.IsEmpty()) { + cacheItem->modelHandle = qPersistentNew(cacheItem->get()); + cacheItem->modelHandle.MakeWeak(cacheItem, &release_model); + + ++cacheItem->scriptRef; } - if (!data) - return v8::Undefined(); - return cacheItem->engine->newQObject(data); + + return cacheItem->modelHandle; } -v8::Handle QQuickVisualDataModelCacheMetaType::get_groups( +v8::Handle QQuickVisualDataModelItemMetaType::get_groups( v8::Local, const v8::AccessorInfo &info) { - QQuickVisualDataModelCacheItem *cacheItem = v8_resource_cast(info.This()); + QQuickVisualDataModelItem *cacheItem = v8_resource_cast(info.This()); if (!cacheItem) V8THROW_ERROR("Not a valid VisualData object"); @@ -1695,10 +1357,10 @@ v8::Handle QQuickVisualDataModelCacheMetaType::get_groups( return cacheItem->engine->fromVariant(groups); } -void QQuickVisualDataModelCacheMetaType::set_groups( +void QQuickVisualDataModelItemMetaType::set_groups( v8::Local, v8::Local value, const v8::AccessorInfo &info) { - QQuickVisualDataModelCacheItem *cacheItem = v8_resource_cast(info.This()); + QQuickVisualDataModelItem *cacheItem = v8_resource_cast(info.This()); if (!cacheItem) V8THROW_ERROR_SETTER("Not a valid VisualData object"); @@ -1706,29 +1368,30 @@ void QQuickVisualDataModelCacheMetaType::set_groups( return; QQuickVisualDataModelPrivate *model = QQuickVisualDataModelPrivate::get(cacheItem->metaType->model); - const int groupFlags = model->m_cacheMetaType->parseGroups(cacheItem->engine, value); + const int groupFlags = model->m_cacheMetaType->parseGroups(value); for (int i = 1; i < cacheItem->metaType->groupCount; ++i) { if (cacheItem->groups & (1 << i)) { - model->setGroups(Compositor::Group(i), cacheItem->index[i], 1, groupFlags); + Compositor::iterator it = model->m_compositor.find(Compositor::Group(i), cacheItem->index[i]); + model->setGroups(it, 1, Compositor::Group(i), groupFlags); break; } } } -v8::Handle QQuickVisualDataModelCacheMetaType::get_member( +v8::Handle QQuickVisualDataModelItemMetaType::get_member( v8::Local, const v8::AccessorInfo &info) { - QQuickVisualDataModelCacheItem *cacheItem = v8_resource_cast(info.This()); + QQuickVisualDataModelItem *cacheItem = v8_resource_cast(info.This()); if (!cacheItem) V8THROW_ERROR("Not a valid VisualData object"); return v8::Boolean::New(cacheItem->groups & (1 << info.Data()->Int32Value())); } -void QQuickVisualDataModelCacheMetaType::set_member( +void QQuickVisualDataModelItemMetaType::set_member( v8::Local, v8::Local value, const v8::AccessorInfo &info) { - QQuickVisualDataModelCacheItem *cacheItem = v8_resource_cast(info.This()); + QQuickVisualDataModelItem *cacheItem = v8_resource_cast(info.This()); if (!cacheItem) V8THROW_ERROR_SETTER("Not a valid VisualData object"); @@ -1744,19 +1407,20 @@ void QQuickVisualDataModelCacheMetaType::set_member( for (int i = 1; i < cacheItem->metaType->groupCount; ++i) { if (cacheItem->groups & (1 << i)) { + Compositor::iterator it = model->m_compositor.find(Compositor::Group(i), cacheItem->index[i]); if (member) - model->addGroups(Compositor::Group(i), cacheItem->index[i], 1, groupFlag); + model->addGroups(it, 1, Compositor::Group(i), groupFlag); else - model->removeGroups(Compositor::Group(i), cacheItem->index[i], 1, groupFlag); + model->removeGroups(it, 1, Compositor::Group(i), groupFlag); break; } } } -v8::Handle QQuickVisualDataModelCacheMetaType::get_index( +v8::Handle QQuickVisualDataModelItemMetaType::get_index( v8::Local, const v8::AccessorInfo &info) { - QQuickVisualDataModelCacheItem *cacheItem = v8_resource_cast(info.This()); + QQuickVisualDataModelItem *cacheItem = v8_resource_cast(info.This()); if (!cacheItem) V8THROW_ERROR("Not a valid VisualData object"); @@ -1766,18 +1430,37 @@ v8::Handle QQuickVisualDataModelCacheMetaType::get_index( //--------------------------------------------------------------------------- -QQuickVisualDataModelCacheItem::~QQuickVisualDataModelCacheItem() +QQuickVisualDataModelItem::QQuickVisualDataModelItem(QQuickVisualDataModelItemMetaType *metaType, QQuickVisualAdaptorModel *model, int modelIndex) + : QV8ObjectResource(metaType->v8Engine) + , metaType(metaType) + , model(model) + , object(0) + , attached(0) + , objectRef(0) + , scriptRef(0) + , groups(0) + , incubationTask(0) +{ + index[0] = modelIndex; + metaType->addref(); +} + +QQuickVisualDataModelItem::~QQuickVisualDataModelItem() { Q_ASSERT(scriptRef == 0); Q_ASSERT(objectRef == 0); Q_ASSERT(!object); + Q_ASSERT(indexHandle.IsEmpty()); + Q_ASSERT(modelHandle.IsEmpty()); + if (incubationTask && metaType->model) QQuickVisualDataModelPrivate::get(metaType->model)->releaseIncubator(incubationTask); metaType->release(); + } -void QQuickVisualDataModelCacheItem::Dispose() +void QQuickVisualDataModelItem::Dispose() { --scriptRef; if (isReferenced()) @@ -1789,6 +1472,7 @@ void QQuickVisualDataModelCacheItem::Dispose() if (cacheIndex != -1) { model->m_compositor.clearFlags(Compositor::Cache, cacheIndex, 1, Compositor::CacheFlag); model->m_cache.removeAt(cacheIndex); + Q_ASSERT(model->m_cache.count() == model->m_compositor.count(Compositor::Cache)); } } delete this; @@ -1797,7 +1481,7 @@ void QQuickVisualDataModelCacheItem::Dispose() //--------------------------------------------------------------------------- QQuickVisualDataModelAttachedMetaObject::QQuickVisualDataModelAttachedMetaObject( - QQuickVisualDataModelAttached *attached, QQuickVisualDataModelCacheMetaType *metaType) + QQuickVisualDataModelAttached *attached, QQuickVisualDataModelItemMetaType *metaType) : attached(attached) , metaType(metaType) { @@ -1827,15 +1511,23 @@ int QQuickVisualDataModelAttachedMetaObject::metaCall(QMetaObject::Call call, in if (_id >= metaType->memberPropertyOffset) { if (!metaType->model) return -1; + QQuickVisualDataModelPrivate *model = QQuickVisualDataModelPrivate::get(metaType->model); Compositor::Group group = Compositor::Group(_id - metaType->memberPropertyOffset + 1); - const bool member = attached->m_cacheItem->groups & (1 << group); - if (member != *static_cast(arguments[0])) { - QQuickVisualDataModelPrivate *model = QQuickVisualDataModelPrivate::get(metaType->model); - const int cacheIndex = model->m_cache.indexOf(attached->m_cacheItem); - if (member) - model->removeGroups(Compositor::Cache, cacheIndex, 1, (1 << group)); - else - model->addGroups(Compositor::Cache, cacheIndex, 1, (1 << group)); + const int groupFlag = 1 << group; + const bool member = attached->m_cacheItem->groups & groupFlag; + if (member && !*static_cast(arguments[0])) { + Compositor::iterator it = model->m_compositor.find( + group, attached->m_cacheItem->index[group]); + model->removeGroups(it, 1, group, groupFlag); + } else if (!member && *static_cast(arguments[0])) { + for (int i = 1; i < metaType->groupCount; ++i) { + if (attached->m_cacheItem->groups & (1 << i)) { + Compositor::iterator it = model->m_compositor.find( + Compositor::Group(i), attached->m_cacheItem->index[i]); + model->addGroups(it, 1, Compositor::Group(i), groupFlag); + break; + } + } } return -1; } @@ -1843,7 +1535,7 @@ int QQuickVisualDataModelAttachedMetaObject::metaCall(QMetaObject::Call call, in return attached->qt_metacall(call, _id, arguments); } -void QQuickVisualDataModelAttached::setCacheItem(QQuickVisualDataModelCacheItem *item) +void QQuickVisualDataModelAttached::setCacheItem(QQuickVisualDataModelItem *item) { m_cacheItem = item; for (int i = 1; i < m_cacheItem->metaType->groupCount; ++i) @@ -1891,9 +1583,14 @@ void QQuickVisualDataModelAttached::setGroups(const QStringList &groups) QQuickVisualDataModelPrivate *model = QQuickVisualDataModelPrivate::get(m_cacheItem->metaType->model); - const int cacheIndex = model->m_cache.indexOf(m_cacheItem); const int groupFlags = model->m_cacheMetaType->parseGroups(groups); - model->setGroups(Compositor::Cache, cacheIndex, 1, groupFlags); + for (int i = 1; i < m_cacheItem->metaType->groupCount; ++i) { + if (m_cacheItem->groups & (1 << i)) { + Compositor::iterator it = model->m_compositor.find(Compositor::Group(i), m_cacheItem->index[i]); + model->setGroups(it, 1, Compositor::Group(i), groupFlags); + return; + } + } } /*! @@ -2145,13 +1842,13 @@ QDeclarativeV8Handle QQuickVisualDataGroup::get(int index) } Compositor::iterator it = model->m_compositor.find(d->group, index); - QQuickVisualDataModelCacheItem *cacheItem = it->inCache() + QQuickVisualDataModelItem *cacheItem = it->inCache() ? model->m_cache.at(it.cacheIndex) : 0; if (!cacheItem) { - cacheItem = new QQuickVisualDataModelCacheItem(model->m_cacheMetaType); - for (int i = 0; i < model->m_groupCount; ++i) + cacheItem = model->m_adaptorModel->createItem(model->m_cacheMetaType, it.modelIndex()); + for (int i = 1; i < model->m_groupCount; ++i) cacheItem->index[i] = it.index[i]; cacheItem->groups = it->flags & Compositor::GroupMask; @@ -2159,15 +1856,38 @@ QDeclarativeV8Handle QQuickVisualDataGroup::get(int index) model->m_compositor.setFlags(it, 1, Compositor::CacheFlag); } - ++cacheItem->scriptRef; + if (cacheItem->indexHandle.IsEmpty()) { + cacheItem->indexHandle = qPersistentNew(model->m_cacheMetaType->constructor->NewInstance()); + cacheItem->indexHandle->SetExternalResource(cacheItem); + cacheItem->indexHandle.MakeWeak(cacheItem, QQuickVisualDataModelItemMetaType::release_index); - v8::Local rv = model->m_cacheMetaType->constructor->NewInstance(); - rv->SetExternalResource(cacheItem); - return QDeclarativeV8Handle::fromHandle(rv); + ++cacheItem->scriptRef; + } + return QDeclarativeV8Handle::fromHandle(cacheItem->indexHandle); +} + +bool QQuickVisualDataGroupPrivate::parseIndex( + const v8::Local &value, int *index, Compositor::Group *group) const +{ + if (value->IsInt32()) { + *index = value->Int32Value(); + return true; + } else if (value->IsObject()) { + v8::Local object = value->ToObject(); + QQuickVisualDataModelItem * const cacheItem = v8_resource_cast(object); + for (int i = 1; cacheItem && i < cacheItem->metaType->groupCount; ++i) { + if (cacheItem->groups & (1 << i)) { + *group = Compositor::Group(i); + *index = cacheItem->index[i]; + return true; + } + } + } + return false; } /*! - \qmlmethod QtQuick2::VisualDataGroup::create(int index) + \qmlmethod QtQuick2::VisualDataGroup::create(var index) Returns a reference to the instantiated item at \a index in the group. @@ -2175,22 +1895,34 @@ QDeclarativeV8Handle QQuickVisualDataGroup::get(int index) group remain instantiated when not referenced by any view. */ -QObject *QQuickVisualDataGroup::create(int index) +void QQuickVisualDataGroup::create(QDeclarativeV8Function *args) { Q_D(QQuickVisualDataGroup); if (!d->model) - return 0; + return; + + if (args->Length() == 0) + return; + + Compositor::Group group = d->group; + int index = -1; + if (!d->parseIndex((*args)[0], &index, &group)) { + qmlInfo(this) << tr("create: invalid index"); + return; + } QQuickVisualDataModelPrivate *model = QQuickVisualDataModelPrivate::get(d->model); - if (index < 0 || index >= model->m_compositor.count(d->group)) { + if (index < 0 || index >= model->m_compositor.count(group)) { qmlInfo(this) << tr("create: index out of range"); - return 0; + return; } - QObject *object = model->object(d->group, index, false, false); - if (object) - model->addGroups(d->group, index, 1, Compositor::PersistedFlag); - return object; + QObject *object = model->object(group, index, false, false); + if (object) { + Compositor::iterator it = model->m_compositor.find(group, index); + model->addGroups(it, 1, group, Compositor::PersistedFlag); + } + args->returnValue(args->engine()->newQObject(object)); } /*! @@ -2204,6 +1936,7 @@ void QQuickVisualDataGroup::remove(QDeclarativeV8Function *args) Q_D(QQuickVisualDataGroup); if (!d->model) return; + Compositor::Group group = d->group; int index = -1; int count = 1; @@ -2212,9 +1945,10 @@ void QQuickVisualDataGroup::remove(QDeclarativeV8Function *args) int i = 0; v8::Local v = (*args)[i]; - if (!v->IsInt32()) + if (!d->parseIndex(v, &index, &group)) { + qmlInfo(this) << tr("create: invalid index"); return; - index = v->Int32Value(); + } if (++i < args->Length()) { v = (*args)[i]; @@ -2223,17 +1957,20 @@ void QQuickVisualDataGroup::remove(QDeclarativeV8Function *args) } QQuickVisualDataModelPrivate *model = QQuickVisualDataModelPrivate::get(d->model); - if (count < 0) { - qmlInfo(this) << tr("remove: invalid count"); - } else if (index < 0 || index + count > model->m_compositor.count(d->group)) { + if (index < 0 || index >= model->m_compositor.count(group)) { qmlInfo(this) << tr("remove: index out of range"); - } else if (count > 0) { - model->removeGroups(d->group, index, count, 1 << d->group); + } else if (count != 0) { + Compositor::iterator it = model->m_compositor.find(group, index); + if (count < 0 || count > model->m_compositor.count(d->group) - it.index[d->group]) { + qmlInfo(this) << tr("remove: invalid count"); + } else { + model->removeGroups(it, count, d->group, 1 << d->group); + } } } bool QQuickVisualDataGroupPrivate::parseGroupArgs( - QDeclarativeV8Function *args, int *index, int *count, int *groups) const + QDeclarativeV8Function *args, Compositor::Group *group, int *index, int *count, int *groups) const { if (!model || !QQuickVisualDataModelPrivate::get(model)->m_cacheMetaType) return false; @@ -2243,9 +1980,8 @@ bool QQuickVisualDataGroupPrivate::parseGroupArgs( int i = 0; v8::Local v = (*args)[i]; - if (!v->IsInt32()) + if (!parseIndex(v, index, group)) return false; - *index = v->Int32Value(); v = (*args)[++i]; if (v->IsInt32()) { @@ -2256,7 +1992,7 @@ bool QQuickVisualDataGroupPrivate::parseGroupArgs( v = (*args)[i]; } - *groups = QQuickVisualDataModelPrivate::get(model)->m_cacheMetaType->parseGroups(args->engine(), v); + *groups = QQuickVisualDataModelPrivate::get(model)->m_cacheMetaType->parseGroups(v); return true; } @@ -2270,20 +2006,24 @@ bool QQuickVisualDataGroupPrivate::parseGroupArgs( void QQuickVisualDataGroup::addGroups(QDeclarativeV8Function *args) { Q_D(QQuickVisualDataGroup); + Compositor::Group group = d->group; int index = -1; int count = 1; int groups = 0; - if (!d->parseGroupArgs(args, &index, &count, &groups)) + if (!d->parseGroupArgs(args, &group, &index, &count, &groups)) return; QQuickVisualDataModelPrivate *model = QQuickVisualDataModelPrivate::get(d->model); - if (count < 0) { - qmlInfo(this) << tr("addGroups: invalid count"); - } else if (index < 0 || index + count > model->m_compositor.count(d->group)) { + if (index < 0 || index >= model->m_compositor.count(group)) { qmlInfo(this) << tr("addGroups: index out of range"); - } else if (count > 0 && groups) { - model->addGroups(d->group, index, count, groups); + } else if (count != 0) { + Compositor::iterator it = model->m_compositor.find(group, index); + if (count < 0 || count > model->m_compositor.count(d->group) - it.index[d->group]) { + qmlInfo(this) << tr("addGroups: invalid count"); + } else { + model->addGroups(it, count, d->group, groups); + } } } @@ -2296,20 +2036,24 @@ void QQuickVisualDataGroup::addGroups(QDeclarativeV8Function *args) void QQuickVisualDataGroup::removeGroups(QDeclarativeV8Function *args) { Q_D(QQuickVisualDataGroup); + Compositor::Group group = d->group; int index = -1; int count = 1; int groups = 0; - if (!d->parseGroupArgs(args, &index, &count, &groups)) + if (!d->parseGroupArgs(args, &group, &index, &count, &groups)) return; QQuickVisualDataModelPrivate *model = QQuickVisualDataModelPrivate::get(d->model); - if (count < 0) { - qmlInfo(this) << tr("removeGroups: invalid count"); - } else if (index < 0 || index + count > model->m_compositor.count(d->group)) { + if (index < 0 || index >= model->m_compositor.count(group)) { qmlInfo(this) << tr("removeGroups: index out of range"); - } else if (count > 0 && groups) { - model->removeGroups(d->group, index, count, groups); + } else if (count != 0) { + Compositor::iterator it = model->m_compositor.find(group, index); + if (count < 0 || count > model->m_compositor.count(d->group) - it.index[d->group]) { + qmlInfo(this) << tr("removeGroups: invalid count"); + } else { + model->removeGroups(it, count, d->group, groups); + } } } @@ -2322,20 +2066,24 @@ void QQuickVisualDataGroup::removeGroups(QDeclarativeV8Function *args) void QQuickVisualDataGroup::setGroups(QDeclarativeV8Function *args) { Q_D(QQuickVisualDataGroup); + Compositor::Group group = d->group; int index = -1; int count = 1; int groups = 0; - if (!d->parseGroupArgs(args, &index, &count, &groups)) + if (!d->parseGroupArgs(args, &group, &index, &count, &groups)) return; QQuickVisualDataModelPrivate *model = QQuickVisualDataModelPrivate::get(d->model); - if (count < 0) { - qmlInfo(this) << tr("setGroups: invalid count"); - } else if (index < 0 || index + count > model->m_compositor.count(d->group)) { + if (index < 0 || index >= model->m_compositor.count(group)) { qmlInfo(this) << tr("setGroups: index out of range"); - } else if (count > 0) { - model->setGroups(d->group, index, count, groups); + } else if (count != 0) { + Compositor::iterator it = model->m_compositor.find(group, index); + if (count < 0 || count > model->m_compositor.count(d->group) - it.index[d->group]) { + qmlInfo(this) << tr("setGroups: invalid count"); + } else { + model->setGroups(it, count, d->group, groups); + } } } @@ -2346,7 +2094,7 @@ void QQuickVisualDataGroup::setGroups(QDeclarativeV8Function *args) */ /*! - \qmlmethod QtQuick2::VisualDataGroup::move(int from, int to, int count) + \qmlmethod QtQuick2::VisualDataGroup::move(var from, var to, int count) Moves \a count at \a from in a group \a to a new position. */ @@ -2364,41 +2112,18 @@ void QQuickVisualDataGroup::move(QDeclarativeV8Function *args) int to = -1; int count = 1; - int i = 0; - v8::Local v = (*args)[i]; - if (QQuickVisualDataGroup *group = qobject_cast(args->engine()->toQObject(v))) { - QQuickVisualDataGroupPrivate *g_d = QQuickVisualDataGroupPrivate::get(group); - if (g_d->model != d->model) - return; - fromGroup = g_d->group; - v = (*args)[++i]; - } - - if (!v->IsInt32()) - return; - from = v->Int32Value(); - - if (++i == args->Length()) + if (!d->parseIndex((*args)[0], &from, &fromGroup)) { + qmlInfo(this) << tr("move: invalid from index"); return; - v = (*args)[i]; - - if (QQuickVisualDataGroup *group = qobject_cast(args->engine()->toQObject(v))) { - QQuickVisualDataGroupPrivate *g_d = QQuickVisualDataGroupPrivate::get(group); - if (g_d->model != d->model) - return; - toGroup = g_d->group; - - if (++i == args->Length()) - return; - v = (*args)[i]; } - if (!v->IsInt32()) + if (!d->parseIndex((*args)[1], &to, &toGroup)) { + qmlInfo(this) << tr("move: invalid from index"); return; - to = v->Int32Value(); + } - if (++i < args->Length()) { - v = (*args)[i]; + if (args->Length() > 2) { + v8::Local v = (*args)[2]; if (v->IsInt32()) count = v->Int32Value(); } @@ -2409,13 +2134,13 @@ void QQuickVisualDataGroup::move(QDeclarativeV8Function *args) qmlInfo(this) << tr("move: invalid count"); } else if (from < 0 || from + count > model->m_compositor.count(fromGroup)) { qmlInfo(this) << tr("move: from index out of range"); - } else if (!model->m_compositor.verifyMoveTo(fromGroup, from, toGroup, to, count)) { + } else if (!model->m_compositor.verifyMoveTo(fromGroup, from, toGroup, to, count, d->group)) { qmlInfo(this) << tr("move: to index out of range"); } else if (count > 0) { QVector removes; QVector inserts; - model->m_compositor.move(fromGroup, from, toGroup, to, count, &removes, &inserts); + model->m_compositor.move(fromGroup, from, toGroup, to, count, d->group, &removes, &inserts); model->itemsMoved(removes, inserts); model->emitChanges(); } @@ -2664,4 +2389,3 @@ void QQuickVisualPartsModel::emitModelUpdated(const QDeclarativeChangeSet &chang QT_END_NAMESPACE -#include diff --git a/src/quick/items/qquickvisualdatamodel_p.h b/src/quick/items/qquickvisualdatamodel_p.h index 9e5e3a4511..ba9130abaa 100644 --- a/src/quick/items/qquickvisualdatamodel_p.h +++ b/src/quick/items/qquickvisualdatamodel_p.h @@ -160,9 +160,9 @@ public: void setDefaultInclude(bool include); Q_INVOKABLE QDeclarativeV8Handle get(int index); - Q_INVOKABLE QObject *create(int index); public Q_SLOTS: + void create(QDeclarativeV8Function *); void remove(QDeclarativeV8Function *); void addGroups(QDeclarativeV8Function *); void removeGroups(QDeclarativeV8Function *); @@ -178,7 +178,7 @@ private: Q_DECLARE_PRIVATE(QQuickVisualDataGroup) }; -class QQuickVisualDataModelCacheItem; +class QQuickVisualDataModelItem; class QQuickVisualDataModelAttachedMetaObject; class QQuickVisualDataModelAttached : public QObject { @@ -194,7 +194,7 @@ public: {} ~QQuickVisualDataModelAttached() { attachedProperties.remove(parent()); } - void setCacheItem(QQuickVisualDataModelCacheItem *item); + void setCacheItem(QQuickVisualDataModelItem *item); QQuickVisualDataModel *model() const; @@ -218,7 +218,7 @@ Q_SIGNALS: void groupsChanged(); public: - QQuickVisualDataModelCacheItem *m_cacheItem; + QQuickVisualDataModelItem *m_cacheItem; int m_previousGroups; int m_previousIndex[QDeclarativeListCompositor::MaximumGroupCount]; bool m_modelChanged; diff --git a/src/quick/items/qquickvisualdatamodel_p_p.h b/src/quick/items/qquickvisualdatamodel_p_p.h new file mode 100644 index 0000000000..b843e6ac1a --- /dev/null +++ b/src/quick/items/qquickvisualdatamodel_p_p.h @@ -0,0 +1,403 @@ +/**************************************************************************** +** +** 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 +** 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 QQUICKVISUALDATAMODEL_P_P_H +#define QQUICKVISUALDATAMODEL_P_P_H + +#include "qquickvisualdatamodel_p.h" + +#include +#include + +#include + +// +// 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. +// + +QT_BEGIN_NAMESPACE + +class QQuickVisualDataModelItemMetaType : public QDeclarativeRefCount +{ +public: + QQuickVisualDataModelItemMetaType(QV8Engine *engine, QQuickVisualDataModel *model, const QStringList &groupNames); + ~QQuickVisualDataModelItemMetaType(); + + int parseGroups(const QStringList &groupNames) const; + int parseGroups(const v8::Local &groupNames) const; + + static void release_index(v8::Persistent object, void *parameter); + static void release_model(v8::Persistent object, void *parameter); + + static v8::Handle get_model(v8::Local, const v8::AccessorInfo &info); + static v8::Handle get_groups(v8::Local, const v8::AccessorInfo &info); + static void set_groups( + v8::Local, v8::Local value, const v8::AccessorInfo &info); + static v8::Handle get_member(v8::Local, const v8::AccessorInfo &info); + static void set_member( + v8::Local, v8::Local value, const v8::AccessorInfo &info); + static v8::Handle get_index(v8::Local, const v8::AccessorInfo &info); + + QDeclarativeGuard model; + const int groupCount; + const int memberPropertyOffset; + const int indexPropertyOffset; + QV8Engine * const v8Engine; + QMetaObject *metaObject; + const QStringList groupNames; + v8::Persistent constructor; +}; + +class QQuickVisualAdaptorModel; +class QVDMIncubationTask; + +class QQuickVisualDataModelItem : public QObject, public QV8ObjectResource +{ + Q_OBJECT + Q_PROPERTY(int index READ modelIndex NOTIFY modelIndexChanged) + V8_RESOURCE_TYPE(VisualDataItemType) +public: + QQuickVisualDataModelItem( + QQuickVisualDataModelItemMetaType *metaType, QQuickVisualAdaptorModel *model, int modelIndex); + ~QQuickVisualDataModelItem(); + + void referenceObject() { ++objectRef; } + bool releaseObject() { return --objectRef == 0 && !(groups & QDeclarativeListCompositor::PersistedFlag); } + bool isObjectReferenced() const { return objectRef == 0 && !(groups & QDeclarativeListCompositor::PersistedFlag); } + + bool isReferenced() const { return scriptRef || incubationTask || (groups & QDeclarativeListCompositor::PersistedFlag); } + + void Dispose(); + + int modelIndex() const { return index[0]; } + void setModelIndex(int idx) { index[0] = idx; emit modelIndexChanged(); } + + virtual v8::Handle get() { return engine->newQObject(this); } + +Q_SIGNALS: + void modelIndexChanged(); + +public: + QQuickVisualDataModelItemMetaType * const metaType; + QDeclarativeGuard model; + QDeclarativeGuard object; + QQuickVisualDataModelAttached *attached; + v8::Persistent indexHandle; + v8::Persistent modelHandle; + QIntrusiveListNode cacheNode; + int objectRef; + int scriptRef; + int groups; + int index[QDeclarativeListCompositor::MaximumGroupCount]; + QVDMIncubationTask *incubationTask; +}; + +typedef QDeclarativeListCompositor Compositor; + +class QQuickVisualDataModelPrivate; +class QVDMIncubationTask : public QDeclarativeIncubator +{ +public: + QVDMIncubationTask(QQuickVisualDataModelPrivate *l, IncubationMode mode) + : QDeclarativeIncubator(mode) + , incubating(0) + , incubatingContext(0) + , vdm(l) {} + + virtual void statusChanged(Status); + virtual void setInitialState(QObject *); + + QQuickVisualDataModelItem *incubating; + QDeclarativeContext *incubatingContext; + +private: + QQuickVisualDataModelPrivate *vdm; +}; + + +class QQuickVisualDataGroupEmitter +{ +public: + virtual void emitModelUpdated(const QDeclarativeChangeSet &changeSet, bool reset) = 0; + virtual void createdPackage(int, QDeclarativePackage *) {} + virtual void initPackage(int, QDeclarativePackage *) {} + virtual void destroyingPackage(QDeclarativePackage *) {} + + QIntrusiveListNode emitterNode; +}; + +typedef QIntrusiveList QQuickVisualDataGroupEmitterList; + +class QQuickVisualDataGroupPrivate : public QObjectPrivate +{ +public: + Q_DECLARE_PUBLIC(QQuickVisualDataGroup) + + QQuickVisualDataGroupPrivate() : group(Compositor::Cache), defaultInclude(false) {} + + static QQuickVisualDataGroupPrivate *get(QQuickVisualDataGroup *group) { + return static_cast(QObjectPrivate::get(group)); } + + void setModel(QQuickVisualDataModel *model, Compositor::Group group); + void emitChanges(QV8Engine *engine); + void emitModelUpdated(bool reset); + + void createdPackage(int index, QDeclarativePackage *package); + void initPackage(int index, QDeclarativePackage *package); + void destroyingPackage(QDeclarativePackage *package); + + bool parseIndex(const v8::Local &value, int *index, Compositor::Group *group) const; + bool parseGroupArgs( + QDeclarativeV8Function *args, Compositor::Group *group, int *index, int *count, int *groups) const; + + Compositor::Group group; + QDeclarativeGuard model; + QQuickVisualDataGroupEmitterList emitters; + QDeclarativeChangeSet changeSet; + QString name; + bool defaultInclude; +}; + +class QQuickVisualDataModelParts; + +class QQuickVisualDataModelPrivate : public QObjectPrivate, public QQuickVisualDataGroupEmitter +{ + Q_DECLARE_PUBLIC(QQuickVisualDataModel) +public: + QQuickVisualDataModelPrivate(QDeclarativeContext *); + ~QQuickVisualDataModelPrivate(); + + static QQuickVisualDataModelPrivate *get(QQuickVisualDataModel *m) { + return static_cast(QObjectPrivate::get(m)); + } + + void init(); + void connectModel(QQuickVisualAdaptorModel *model); + + QObject *object(Compositor::Group group, int index, bool asynchronous, bool reference); + void destroy(QObject *object); + QQuickVisualDataModel::ReleaseFlags release(QObject *object); + QString stringValue(Compositor::Group group, int index, const QString &name); + int cacheIndexOf(QObject *object) const; + void emitCreatedPackage(QQuickVisualDataModelItem *cacheItem, QDeclarativePackage *package); + void emitInitPackage(QQuickVisualDataModelItem *cacheItem, QDeclarativePackage *package); + void emitCreatedItem(QQuickVisualDataModelItem *cacheItem, QQuickItem *item) { + emit q_func()->createdItem(cacheItem->index[m_compositorGroup], item); } + void emitInitItem(QQuickVisualDataModelItem *cacheItem, QQuickItem *item) { + emit q_func()->initItem(cacheItem->index[m_compositorGroup], item); } + void emitDestroyingPackage(QDeclarativePackage *package); + void emitDestroyingItem(QQuickItem *item) { emit q_func()->destroyingItem(item); } + + void updateFilterGroup(); + + void addGroups(Compositor::iterator from, int count, Compositor::Group group, int groupFlags); + void removeGroups(Compositor::iterator from, int count, Compositor::Group group, int groupFlags); + void setGroups(Compositor::iterator from, int count, Compositor::Group group, int groupFlags); + + void itemsInserted( + const QVector &inserts, + QVarLengthArray, Compositor::MaximumGroupCount> *translatedInserts, + QHash > *movedItems = 0); + void itemsInserted(const QVector &inserts); + void itemsRemoved( + const QVector &removes, + QVarLengthArray, Compositor::MaximumGroupCount> *translatedRemoves, + QHash > *movedItems = 0); + void itemsRemoved(const QVector &removes); + void itemsMoved( + const QVector &removes, const QVector &inserts); + void itemsChanged(const QVector &changes); + template static v8::Local buildChangeList(const QVector &changes); + void emitChanges(); + void emitModelUpdated(const QDeclarativeChangeSet &changeSet, bool reset); + + + static void group_append(QDeclarativeListProperty *property, QQuickVisualDataGroup *group); + static int group_count(QDeclarativeListProperty *property); + static QQuickVisualDataGroup *group_at(QDeclarativeListProperty *property, int index); + + void releaseIncubator(QVDMIncubationTask *incubationTask); + void incubatorStatusChanged(QVDMIncubationTask *incubationTask, QDeclarativeIncubator::Status status); + void setInitialState(QVDMIncubationTask *incubationTask, QObject *o); + + QQuickVisualAdaptorModel *m_adaptorModel; + QDeclarativeComponent *m_delegate; + QQuickVisualDataModelItemMetaType *m_cacheMetaType; + QDeclarativeGuard m_context; + + QList m_cache; + QQuickVisualDataModelParts *m_parts; + QQuickVisualDataGroupEmitterList m_pendingParts; + + QDeclarativeListCompositor m_compositor; + QDeclarativeListCompositor::Group m_compositorGroup; + bool m_complete : 1; + bool m_delegateValidated : 1; + bool m_reset : 1; + bool m_transaction : 1; + bool m_incubatorCleanupScheduled : 1; + + QString m_filterGroup; + QList watchedRoles; + + union { + struct { + QQuickVisualDataGroup *m_cacheItems; + QQuickVisualDataGroup *m_items; + QQuickVisualDataGroup *m_persistedItems; + }; + QQuickVisualDataGroup *m_groups[Compositor::MaximumGroupCount]; + }; + int m_groupCount; + + QList m_finishedIncubating; +}; + +class QQuickVisualPartsModel : public QQuickVisualModel, public QQuickVisualDataGroupEmitter +{ + Q_OBJECT + Q_PROPERTY(QString filterOnGroup READ filterGroup WRITE setFilterGroup NOTIFY filterGroupChanged RESET resetFilterGroup) +public: + QQuickVisualPartsModel(QQuickVisualDataModel *model, const QString &part, QObject *parent = 0); + ~QQuickVisualPartsModel(); + + QString filterGroup() const; + void setFilterGroup(const QString &group); + void resetFilterGroup(); + void updateFilterGroup(); + void updateFilterGroup(Compositor::Group group, const QDeclarativeChangeSet &changeSet); + + int count() const; + bool isValid() const; + QQuickItem *item(int index, bool asynchronous=false); + ReleaseFlags release(QQuickItem *item); + QString stringValue(int index, const QString &role); + void setWatchedRoles(QList roles); + + int indexOf(QQuickItem *item, QObject *objectContext) const; + + void emitModelUpdated(const QDeclarativeChangeSet &changeSet, bool reset); + + void createdPackage(int index, QDeclarativePackage *package); + void initPackage(int index, QDeclarativePackage *package); + void destroyingPackage(QDeclarativePackage *package); + +Q_SIGNALS: + void filterGroupChanged(); + +private: + QQuickVisualDataModel *m_model; + QHash m_packaged; + QString m_part; + QString m_filterGroup; + QList m_watchedRoles; + Compositor::Group m_compositorGroup; + bool m_inheritGroup; +}; + +class QMetaPropertyBuilder; + +class QQuickVisualDataModelPartsMetaObject : public QDeclarativeOpenMetaObject +{ +public: + QQuickVisualDataModelPartsMetaObject(QObject *parent) + : QDeclarativeOpenMetaObject(parent) {} + + virtual void propertyCreated(int, QMetaPropertyBuilder &); + virtual QVariant initialValue(int); +}; + +class QQuickVisualDataModelParts : public QObject +{ +Q_OBJECT +public: + QQuickVisualDataModelParts(QQuickVisualDataModel *parent); + + QQuickVisualDataModel *model; + QList models; +}; + +class QQuickVisualDataModelAttachedMetaObject : public QAbstractDynamicMetaObject +{ +public: + QQuickVisualDataModelAttachedMetaObject( + QQuickVisualDataModelAttached *attached, QQuickVisualDataModelItemMetaType *metaType); + ~QQuickVisualDataModelAttachedMetaObject(); + + int metaCall(QMetaObject::Call, int _id, void **); + +private: + QQuickVisualDataModelAttached *attached; + QQuickVisualDataModelItemMetaType *metaType; +}; + +class QQuickVisualDataModelContext : public QDeclarativeContext +{ + Q_OBJECT +public: + QQuickVisualDataModelContext( + QQuickVisualDataModelItem *cacheItem, + QDeclarativeContext *parentContext, + QObject *parent = 0) + : QDeclarativeContext(parentContext, parent) + , cacheItem(cacheItem) + { + ++cacheItem->scriptRef; + } + + ~QQuickVisualDataModelContext() + { + cacheItem->Dispose(); + } + + QQuickVisualDataModelItem *cacheItem; +}; + +QT_END_NAMESPACE + +#endif -- cgit v1.2.3