QDeclarativeData Class Reference

#include <qdeclarativedata_p.h>

Inheritance diagram for QDeclarativeData:

Public Functions
void	addBoundSignal (QDeclarativeAbstractBoundSignal *signal)
QHash< int, QObject * > *	attachedProperties () const
void	clearBindingBit (int)
void	destroyed (QObject *)
void	disconnectNotifiers ()
bool	hasBindingBit (int) const
bool	hasExtendedData () const
void	objectNameChanged (QObject *)
QDeclarativeNotifier *	objectNameNotifier () const
void	parentChanged (QObject *, QObject *)
	QDeclarativeData ()
void	removeBoundSignal (QDeclarativeAbstractBoundSignal *signal)
void	setBindingBit (QObject *obj, int)
void	setImplicitDestructible ()

Static Public Functions
static void	destroyed (QAbstractDeclarativeData *, QObject *)
static QDeclarativeData *	get (const QObject *object, bool create=false)
static void	init ()
static void	objectNameChanged (QAbstractDeclarativeData *, QObject *)
static void	parentChanged (QAbstractDeclarativeData *, QObject *, QObject *)

Public Variables
quint32 *	bindingBits
int	bindingBitsSize
QDeclarativeAbstractBinding *	bindings
ushort	columnNumber
QDeclarativeContextData *	context
QDeclarativeCompiledData *	deferredComponent
unsigned int	deferredIdx
quint32	dummy:28
quint32	explicitIndestructibleSet:1
QDeclarativeGuardImpl *	guards
quint32	indestructible:1
ushort	lineNumber
QDeclarativeData *	nextContextObject
quint32	objectDataRefCount
QDeclarativeContextData *	outerContext
quint32	ownContext:1
quint32	ownMemory:1
QDeclarativeData **	prevContextObject
QDeclarativePropertyCache *	propertyCache
QScriptValue *	scriptValue

Properties
QDeclarativeDataExtended *	extendedData

Additional Inherited Members
Static Public Variables inherited from QAbstractDeclarativeData
static void(*	destroyed )(QAbstractDeclarativeData *, QObject *)
static void(*	objectNameChanged )(QAbstractDeclarativeData *, QObject *)
static void(*	parentChanged )(QAbstractDeclarativeData *, QObject *, QObject *)

Detailed Description

Definition at line 74 of file qdeclarativedata_p.h.

Constructors and Destructors

QDeclarativeData()

QDeclarativeData::QDeclarativeData ( )

inline

Definition at line 77 of file qdeclarativedata_p.h.

        : ownMemory(true), ownContext(false), indestructible(true), explicitIndestructibleSet(false), 
          context(0), outerContext(0), bindings(0), nextContextObject(0), prevContextObject(0), bindingBitsSize(0), 
          bindingBits(0), lineNumber(0), columnNumber(0), deferredComponent(0), deferredIdx(0), 
          scriptValue(0), objectDataRefCount(0), propertyCache(0), guards(0), extendedData(0) {
          init(); 
      }

Functions

addBoundSignal()

void QDeclarativeData::addBoundSignal

(

QDeclarativeAbstractBoundSignal *

signal

)

Definition at line 1159 of file qdeclarativeengine.cpp.

{
    if (!extendedData) extendedData = new QDeclarativeDataExtended;
    extendedData->boundSignals.append(signal);
}

attachedProperties()

QHash< int, QObject * > * QDeclarativeData::attachedProperties

(

)

const

Definition at line 1153 of file qdeclarativeengine.cpp.

Referenced by qmlAttachedPropertiesObjectById().

{
    if (!extendedData) extendedData = new QDeclarativeDataExtended;
    return &extendedData->attachedProperties;
}

clearBindingBit()

void QDeclarativeData::clearBindingBit

(

int

bit

)

Definition at line 1247 of file qdeclarativeengine.cpp.

Referenced by QDeclarativeAbstractBinding::removeFromObject().

{
    if (bindingBitsSize > bit)
        bindingBits[bit / 32] &= ~(1 << (bit % 32));
}

destroyed() [1/2]

void QDeclarativeData::destroyed ( QAbstractDeclarativeData *  d, QObject *  o  )

static

Definition at line 566 of file qdeclarativeengine.cpp.

{
    static_cast<QDeclarativeData *>(d)->destroyed(o);
}

destroyed() [2/2]

void QDeclarativeData::destroyed

(

QObject *

object

)

Definition at line 1185 of file qdeclarativeengine.cpp.

{
    if (deferredComponent)
        deferredComponent->release();

    if (nextContextObject)
        nextContextObject->prevContextObject = prevContextObject;
    if (prevContextObject)
        *prevContextObject = nextContextObject;

    QDeclarativeAbstractBinding *binding = bindings;
    while (binding) {
        QDeclarativeAbstractBinding *next = binding->m_nextBinding;
        binding->m_prevBinding = 0;
        binding->m_nextBinding = 0;
        binding->destroy(QDeclarativeAbstractBinding::KeepBindingConnected);
        binding = next;
    }

    if (bindingBits)
        free(bindingBits);

    if (propertyCache)
        propertyCache->release();

    if (ownContext && context)
        context->destroy();

    while (guards) {
        QDeclarativeGuard<QObject> *guard = static_cast<QDeclarativeGuard<QObject> *>(guards);
        *guard = (QObject *)0;
        guard->objectDestroyed(object);
    }

    if (scriptValue)
        delete scriptValue;

    if (extendedData)
        delete extendedData;

    if (ownMemory)
        delete this;
}

disconnectNotifiers()

void QDeclarativeData::disconnectNotifiers

(

)

Definition at line 1171 of file qdeclarativeengine.cpp.

Referenced by QDeclarativePrivate::qdeclarativeelement_destructor().

{
    QDeclarativeAbstractBinding *binding = bindings;
    while (binding) {
        binding->disconnect(QDeclarativeAbstractBinding::DisconnectAll);
        binding = binding->m_nextBinding;
    }

    if (extendedData) {
        Q_FOREACH (QDeclarativeAbstractBoundSignal *signal, extendedData->boundSignals)
            signal->disconnect();
    }
}

get()

static QDeclarativeData* QDeclarativeData::get ( const QObject *  object, bool  create = false  )

inlinestatic

Definition at line 140 of file qdeclarativedata_p.h.

Referenced by QDeclarativeGuardImpl::addGuard(), QDeclarativeContextData::addObject(), QDeclarativeAbstractBinding::addToObject(), QDeclarativeComponent::beginCreate(), QDeclarativePropertyPrivate::binding(), QDeclarativeComponentPrivate::complete(), QDeclarativeConnections::connectSignals(), QDeclarativeEnginePrivate::createComponent(), QDeclarativeComponentPrivate::createObject(), QDeclarativeEnginePrivate::createQmlObject(), QDeclarativePropertyChangesPrivate::decode(), QDeclarativeObjectScriptClass::destroy(), QDeclarativeStateChangeScript::execute(), QDeclarativeScriptActionPrivate::execute(), QDeclarativePropertyPrivate::findAliasTarget(), QDeclarativeBoundSignal::init(), QDeclarativeVMEMetaObject::metaCall(), QDeclarativeObjectScriptClass::newQObject(), ObjectData::ObjectData(), QDeclarativeEngineDebugService::objectData(), QDeclarativeEngine::objectOwnership(), QDeclarativeObjectMethodScriptClass::property(), QDeclarativeObjectScriptClass::property(), QDeclarativePropertyCache::property(), QDeclarativeObjectScriptClass::propertyNames(), QDeclarativeComponent::qmlAttachedProperties(), qmlAttachedPropertiesObjectById(), qmlExecuteDeferred(), QObject_objectName(), QDeclarativeObjectScriptClass::queryProperty(), QDeclarativeObjectMethodScriptClass::relatedMethod(), QDeclarativeAbstractBinding::removeFromObject(), QDeclarativeVME::run(), QDeclarativeVME::runDeferred(), QDeclarativePropertyPrivate::setBinding(), QDeclarativePropertyPrivate::setBindingNoEnable(), QDeclarativeOpenMetaObject::setCached(), QDeclarativeEngine::setContextForObject(), QDeclarativeEngine::setObjectOwnership(), QDeclarativeVisualDataModel::stringValue(), QDeclarativeBoundSignal::unregisterScopeObject(), ObjectData::~ObjectData(), and QDeclarativeInfo::~QDeclarativeInfo().

                                                                             {
        QObjectPrivate *priv = QObjectPrivate::get(const_cast<QObject *>(object));
        if (priv->wasDeleted) {
            Q_ASSERT(!create);
            return 0;
        } else if (priv->declarativeData) {
            return static_cast<QDeclarativeData *>(priv->declarativeData);
        } else if (create) {
            priv->declarativeData = new QDeclarativeData;
            return static_cast<QDeclarativeData *>(priv->declarativeData);
        } else {
            return 0;
        }
    }

hasBindingBit()

bool QDeclarativeData::hasBindingBit

(

int

bit

)

const

Definition at line 1239 of file qdeclarativeengine.cpp.

Referenced by QDeclarativeAbstractBinding::addToObject(), QDeclarativePropertyPrivate::binding(), QDeclarativeVMEMetaObject::metaCall(), QDeclarativePropertyPrivate::setBinding(), and QDeclarativePropertyPrivate::setBindingNoEnable().

{
    if (bindingBitsSize > bit)
        return bindingBits[bit / 32] & (1 << (bit % 32));
    else
        return false;
}

hasExtendedData()

bool QDeclarativeData::hasExtendedData ( ) const

inline

Definition at line 155 of file qdeclarativedata_p.h.

Referenced by qmlAttachedPropertiesObjectById().

{ return extendedData != 0; }

init()

static void QDeclarativeData::init ( )

inlinestatic

Definition at line 85 of file qdeclarativedata_p.h.

Referenced by QDeclarativeEnginePrivate::init().

                              {
        QAbstractDeclarativeData::destroyed = destroyed;
        QAbstractDeclarativeData::parentChanged = parentChanged;
        QAbstractDeclarativeData::objectNameChanged = objectNameChanged;
    }

objectNameChanged() [1/2]

void QDeclarativeData::objectNameChanged ( QAbstractDeclarativeData *  d, QObject *  o  )

static

Definition at line 576 of file qdeclarativeengine.cpp.

{
    static_cast<QDeclarativeData *>(d)->objectNameChanged(o);
}

objectNameChanged() [2/2]

void QDeclarativeData::objectNameChanged

(

QObject *

)

Definition at line 1234 of file qdeclarativeengine.cpp.

{
    if (extendedData) objectNameNotifier()->notify();
}

objectNameNotifier()

QDeclarativeNotifier * QDeclarativeData::objectNameNotifier

(

)

const

Definition at line 1147 of file qdeclarativeengine.cpp.

{
    if (!extendedData) extendedData = new QDeclarativeDataExtended;
    return &extendedData->objectNameNotifier;
}

parentChanged() [1/2]

void QDeclarativeData::parentChanged ( QAbstractDeclarativeData *  d, QObject *  o, QObject *  p  )

static

Definition at line 571 of file qdeclarativeengine.cpp.

{
    static_cast<QDeclarativeData *>(d)->parentChanged(o, p);
}

parentChanged() [2/2]

void QDeclarativeData::parentChanged	(	QObject *	,
		QObject *	parent
	)

Definition at line 1229 of file qdeclarativeengine.cpp.

{
    if (!parent && scriptValue) { delete scriptValue; scriptValue = 0; }
}

removeBoundSignal()

void QDeclarativeData::removeBoundSignal

(

QDeclarativeAbstractBoundSignal *

signal

)

Definition at line 1165 of file qdeclarativeengine.cpp.

Referenced by QDeclarativeBoundSignal::unregisterScopeObject().

{
    if (extendedData)
        extendedData->boundSignals.removeAll(signal);
}

setBindingBit()

void QDeclarativeData::setBindingBit	(	QObject *	obj,
		int	bit
	)

Definition at line 1253 of file qdeclarativeengine.cpp.

Referenced by QDeclarativeAbstractBinding::addToObject().

{
    if (bindingBitsSize <= bit) {
        int props = obj->metaObject()->propertyCount();
        Q_ASSERT(bit < props);

        int arraySize = (props + 31) / 32;
        int oldArraySize = bindingBitsSize / 32;

        bindingBits = (quint32 *)q_check_ptr(realloc(bindingBits,
                                         arraySize * sizeof(quint32)));

        memset(bindingBits + oldArraySize,
               0x00,
               sizeof(quint32) * (arraySize - oldArraySize));

        bindingBitsSize = arraySize * 32;
    }

    bindingBits[bit / 32] |= (1 << (bit % 32));
}

setImplicitDestructible()

void QDeclarativeData::setImplicitDestructible ( )

inline

Definition at line 99 of file qdeclarativedata_p.h.

Referenced by QDeclarativeEnginePrivate::createComponent(), QDeclarativeComponentPrivate::createObject(), QDeclarativeEnginePrivate::createQmlObject(), and QDeclarativeObjectMethodScriptClass::property().

                                   {
        if (!explicitIndestructibleSet) indestructible = false;
    }

Properties

bindingBits

quint32* QDeclarativeData::bindingBits

Definition at line 121 of file qdeclarativedata_p.h.

Referenced by fastHasBinding().

bindingBitsSize

int QDeclarativeData::bindingBitsSize

Definition at line 120 of file qdeclarativedata_p.h.

Referenced by fastHasBinding().

bindings

QDeclarativeAbstractBinding* QDeclarativeData::bindings

Definition at line 114 of file qdeclarativedata_p.h.

Referenced by QDeclarativeAbstractBinding::addToObject(), QDeclarativePropertyPrivate::binding(), QDeclarativePropertyPrivate::setBinding(), and QDeclarativePropertyPrivate::setBindingNoEnable().

columnNumber

ushort QDeclarativeData::columnNumber

Definition at line 127 of file qdeclarativedata_p.h.

Referenced by QDeclarativeEngineDebugService::objectData(), QDeclarativeVME::run(), and QDeclarativeInfo::~QDeclarativeInfo().

context

QDeclarativeContextData* QDeclarativeData::context

Definition at line 110 of file qdeclarativedata_p.h.

Referenced by QDeclarativeContextData::addObject(), QDeclarativeComponentPrivate::complete(), QDeclarativeContextData::destroy(), QDeclarativePrivate::qdeclarativeelement_destructor(), QDeclarativeComponent::qmlAttachedProperties(), qmlExecuteDeferred(), QDeclarativeVisualDataModel::release(), QDeclarativeVME::run(), QDeclarativeVME::runDeferred(), and QDeclarativeEngine::setContextForObject().

deferredComponent

QDeclarativeCompiledData* QDeclarativeData::deferredComponent

Definition at line 129 of file qdeclarativedata_p.h.

Referenced by qmlExecuteDeferred(), and QDeclarativeVME::runDeferred().

deferredIdx

unsigned int QDeclarativeData::deferredIdx

Definition at line 130 of file qdeclarativedata_p.h.

Referenced by QDeclarativeVME::runDeferred().

dummy

quint32 QDeclarativeData::dummy

Definition at line 107 of file qdeclarativedata_p.h.

explicitIndestructibleSet

quint32 QDeclarativeData::explicitIndestructibleSet

Definition at line 106 of file qdeclarativedata_p.h.

Referenced by QDeclarativeEngine::setObjectOwnership().

extendedData

QDeclarativeDataExtended* QDeclarativeData::extendedData

mutableprivate

Definition at line 164 of file qdeclarativedata_p.h.

guards

QDeclarativeGuardImpl* QDeclarativeData::guards

Definition at line 138 of file qdeclarativedata_p.h.

Referenced by QDeclarativeGuardImpl::addGuard().

indestructible

quint32 QDeclarativeData::indestructible

Definition at line 105 of file qdeclarativedata_p.h.

Referenced by QDeclarativeComponent::beginCreate(), QDeclarativeObjectScriptClass::destroy(), QDeclarativeObjectScriptClass::newQObject(), QDeclarativeEngine::objectOwnership(), QDeclarativeEngine::setObjectOwnership(), and ObjectData::~ObjectData().

lineNumber

ushort QDeclarativeData::lineNumber

Definition at line 126 of file qdeclarativedata_p.h.

Referenced by QDeclarativeConnections::connectSignals(), QDeclarativeEngineDebugService::objectData(), qmlExecuteDeferred(), QDeclarativeVME::run(), and QDeclarativeInfo::~QDeclarativeInfo().

nextContextObject

QDeclarativeData* QDeclarativeData::nextContextObject

Definition at line 117 of file qdeclarativedata_p.h.

Referenced by QDeclarativeContextData::addObject(), QDeclarativeContextData::destroy(), and QDeclarativeVME::run().

objectDataRefCount

quint32 QDeclarativeData::objectDataRefCount

Definition at line 135 of file qdeclarativedata_p.h.

Referenced by ObjectData::ObjectData(), and ObjectData::~ObjectData().

outerContext

QDeclarativeContextData* QDeclarativeData::outerContext

Definition at line 112 of file qdeclarativedata_p.h.

Referenced by QDeclarativeContextData::addObject(), QDeclarativeConnections::connectSignals(), QDeclarativeEngine::contextForObject(), QDeclarativeContextData::destroy(), QDeclarativeEngineDebugService::objectData(), qmlExecuteDeferred(), QDeclarativeVME::run(), and QDeclarativeInfo::~QDeclarativeInfo().

ownContext

quint32 QDeclarativeData::ownContext

Definition at line 104 of file qdeclarativedata_p.h.

Referenced by QDeclarativePrivate::qdeclarativeelement_destructor(), and QDeclarativeVisualDataModel::release().

ownMemory

quint32 QDeclarativeData::ownMemory

Definition at line 103 of file qdeclarativedata_p.h.

Referenced by QDeclarativeCompiledData::TypeReference::createInstance().

prevContextObject

QDeclarativeData** QDeclarativeData::prevContextObject

Definition at line 118 of file qdeclarativedata_p.h.

Referenced by QDeclarativeContextData::addObject(), QDeclarativeContextData::destroy(), and QDeclarativeVME::run().

propertyCache

QDeclarativePropertyCache* QDeclarativeData::propertyCache

Definition at line 136 of file qdeclarativedata_p.h.

Referenced by QDeclarativePropertyPrivate::binding(), QDeclarativeCompiledData::TypeReference::createInstance(), QDeclarativePropertyPrivate::findAliasTarget(), flush_vme_signal(), QDeclarativePropertyCache::property(), QDeclarativeObjectScriptClass::propertyNames(), QDeclarativeObjectScriptClass::queryProperty(), QDeclarativeObjectMethodScriptClass::relatedMethod(), QDeclarativeVME::run(), QDeclarativePropertyPrivate::setBinding(), QDeclarativePropertyPrivate::setBindingNoEnable(), QDeclarativeOpenMetaObject::setCached(), and QDeclarativeVisualDataModel::stringValue().

scriptValue

QScriptValue* QDeclarativeData::scriptValue

Definition at line 134 of file qdeclarativedata_p.h.

Referenced by QDeclarativeObjectScriptClass::newQObject().

---

The documentation for this class was generated from the following files:

• /src/declarative/qml/qdeclarativedata_p.h
• /src/declarative/qml/qdeclarativeengine.cpp