--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/declarative/qml/qdeclarativeobjectscriptclass.cpp Tue Jul 06 15:10:48 2010 +0300
@@ -0,0 +1,856 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "private/qdeclarativeobjectscriptclass_p.h"
+
+#include "private/qdeclarativeengine_p.h"
+#include "private/qdeclarativecontext_p.h"
+#include "private/qdeclarativedata_p.h"
+#include "private/qdeclarativetypenamescriptclass_p.h"
+#include "private/qdeclarativelistscriptclass_p.h"
+#include "private/qdeclarativebinding_p.h"
+#include "private/qdeclarativeguard_p.h"
+#include "private/qdeclarativevmemetaobject_p.h"
+
+#include <QtCore/qtimer.h>
+#include <QtCore/qvarlengtharray.h>
+#include <QtScript/qscriptcontextinfo.h>
+
+Q_DECLARE_METATYPE(QScriptValue);
+
+QT_BEGIN_NAMESPACE
+
+struct ObjectData : public QScriptDeclarativeClass::Object {
+ ObjectData(QObject *o, int t) : object(o), type(t) {
+ if (o) {
+ QDeclarativeData *ddata = QDeclarativeData::get(object, true);
+ if (ddata) ddata->objectDataRefCount++;
+ }
+ }
+
+ virtual ~ObjectData() {
+ if (object && !object->parent()) {
+ QDeclarativeData *ddata = QDeclarativeData::get(object, false);
+ if (ddata && !ddata->indestructible && 0 == --ddata->objectDataRefCount)
+ object->deleteLater();
+ }
+ }
+
+ QDeclarativeGuard<QObject> object;
+ int type;
+};
+
+/*
+ The QDeclarativeObjectScriptClass handles property access for QObjects
+ via QtScript. It is also used to provide a more useful API in
+ QtScript for QML.
+ */
+QDeclarativeObjectScriptClass::QDeclarativeObjectScriptClass(QDeclarativeEngine *bindEngine)
+: QScriptDeclarativeClass(QDeclarativeEnginePrivate::getScriptEngine(bindEngine)),
+ methods(bindEngine), lastData(0), engine(bindEngine)
+{
+ QScriptEngine *scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine);
+
+ m_destroy = scriptEngine->newFunction(destroy);
+ m_destroyId = createPersistentIdentifier(QLatin1String("destroy"));
+ m_toString = scriptEngine->newFunction(tostring);
+ m_toStringId = createPersistentIdentifier(QLatin1String("toString"));
+}
+
+QDeclarativeObjectScriptClass::~QDeclarativeObjectScriptClass()
+{
+}
+
+QScriptValue QDeclarativeObjectScriptClass::newQObject(QObject *object, int type)
+{
+ QScriptEngine *scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine);
+
+ if (!object)
+ return scriptEngine->nullValue();
+// return newObject(scriptEngine, this, new ObjectData(object, type));
+
+ if (QObjectPrivate::get(object)->wasDeleted)
+ return scriptEngine->undefinedValue();
+
+ QDeclarativeData *ddata = QDeclarativeData::get(object, true);
+
+ if (!ddata) {
+ return scriptEngine->undefinedValue();
+ } else if (!ddata->indestructible && !object->parent()) {
+ return newObject(scriptEngine, this, new ObjectData(object, type));
+ } else if (!ddata->scriptValue) {
+ ddata->scriptValue = new QScriptValue(newObject(scriptEngine, this, new ObjectData(object, type)));
+ return *ddata->scriptValue;
+ } else if (ddata->scriptValue->engine() == QDeclarativeEnginePrivate::getScriptEngine(engine)) {
+ return *ddata->scriptValue;
+ } else {
+ return newObject(scriptEngine, this, new ObjectData(object, type));
+ }
+}
+
+QObject *QDeclarativeObjectScriptClass::toQObject(const QScriptValue &value) const
+{
+ return value.toQObject();
+}
+
+int QDeclarativeObjectScriptClass::objectType(const QScriptValue &value) const
+{
+ if (scriptClass(value) != this)
+ return QVariant::Invalid;
+
+ Object *o = object(value);
+ return ((ObjectData*)(o))->type;
+}
+
+QScriptClass::QueryFlags
+QDeclarativeObjectScriptClass::queryProperty(Object *object, const Identifier &name,
+ QScriptClass::QueryFlags flags)
+{
+ return queryProperty(toQObject(object), name, flags, 0);
+}
+
+QScriptClass::QueryFlags
+QDeclarativeObjectScriptClass::queryProperty(QObject *obj, const Identifier &name,
+ QScriptClass::QueryFlags flags, QDeclarativeContextData *evalContext,
+ QueryHints hints)
+{
+ Q_UNUSED(flags);
+ lastData = 0;
+ lastTNData = 0;
+
+ if (name == m_destroyId.identifier ||
+ name == m_toStringId.identifier)
+ return QScriptClass::HandlesReadAccess;
+
+ if (!obj)
+ return 0;
+
+ QDeclarativeEnginePrivate *enginePrivate = QDeclarativeEnginePrivate::get(engine);
+ lastData = QDeclarativePropertyCache::property(engine, obj, name, local);
+
+ if (lastData)
+ return QScriptClass::HandlesReadAccess | QScriptClass::HandlesWriteAccess;
+
+ if (!(hints & SkipAttachedProperties)) {
+ if (!evalContext && context()) {
+ // Global object, QScriptContext activation object, QDeclarativeContext object
+ QScriptValue scopeNode = scopeChainValue(context(), -3);
+ if (scopeNode.isValid()) {
+ Q_ASSERT(scriptClass(scopeNode) == enginePrivate->contextClass);
+
+ evalContext = enginePrivate->contextClass->contextFromValue(scopeNode);
+ }
+ }
+
+ if (evalContext && evalContext->imports) {
+ QDeclarativeTypeNameCache::Data *data = evalContext->imports->data(name);
+ if (data) {
+ lastTNData = data;
+ return QScriptClass::HandlesReadAccess;
+ }
+ }
+ }
+
+ if (!(hints & ImplicitObject)) {
+ local.coreIndex = -1;
+ lastData = &local;
+ return QScriptClass::HandlesReadAccess | QScriptClass::HandlesWriteAccess;
+ }
+
+ return 0;
+}
+
+QDeclarativeObjectScriptClass::Value
+QDeclarativeObjectScriptClass::property(Object *object, const Identifier &name)
+{
+ return property(toQObject(object), name);
+}
+
+QDeclarativeObjectScriptClass::Value
+QDeclarativeObjectScriptClass::property(QObject *obj, const Identifier &name)
+{
+ QScriptEngine *scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine);
+
+ if (name == m_destroyId.identifier)
+ return Value(scriptEngine, m_destroy);
+ else if (name == m_toStringId.identifier)
+ return Value(scriptEngine, m_toString);
+
+ if (lastData && !lastData->isValid())
+ return Value();
+
+ Q_ASSERT(obj);
+
+ QDeclarativeEnginePrivate *enginePriv = QDeclarativeEnginePrivate::get(engine);
+
+ if (lastTNData) {
+
+ if (lastTNData->type)
+ return Value(scriptEngine, enginePriv->typeNameClass->newObject(obj, lastTNData->type));
+ else
+ return Value(scriptEngine, enginePriv->typeNameClass->newObject(obj, lastTNData->typeNamespace));
+
+ } else if (lastData->flags & QDeclarativePropertyCache::Data::IsFunction) {
+ if (lastData->flags & QDeclarativePropertyCache::Data::IsVMEFunction) {
+ return Value(scriptEngine, ((QDeclarativeVMEMetaObject *)(obj->metaObject()))->vmeMethod(lastData->coreIndex));
+ } else {
+ // Uncomment to use QtScript method call logic
+ // QScriptValue sobj = scriptEngine->newQObject(obj);
+ // return Value(scriptEngine, sobj.property(toString(name)));
+ return Value(scriptEngine, methods.newMethod(obj, lastData));
+ }
+ } else {
+ if (enginePriv->captureProperties && !(lastData->flags & QDeclarativePropertyCache::Data::IsConstant)) {
+ enginePriv->capturedProperties <<
+ QDeclarativeEnginePrivate::CapturedProperty(obj, lastData->coreIndex, lastData->notifyIndex);
+ }
+
+ if (QDeclarativeValueTypeFactory::isValueType((uint)lastData->propType)) {
+ QDeclarativeValueType *valueType = enginePriv->valueTypes[lastData->propType];
+ if (valueType)
+ return Value(scriptEngine, enginePriv->valueTypeClass->newObject(obj, lastData->coreIndex, valueType));
+ }
+
+ if (lastData->flags & QDeclarativePropertyCache::Data::IsQList) {
+ return Value(scriptEngine, enginePriv->listClass->newList(obj, lastData->coreIndex, lastData->propType));
+ } else if (lastData->flags & QDeclarativePropertyCache::Data::IsQObjectDerived) {
+ QObject *rv = 0;
+ void *args[] = { &rv, 0 };
+ QMetaObject::metacall(obj, QMetaObject::ReadProperty, lastData->coreIndex, args);
+ return Value(scriptEngine, newQObject(rv, lastData->propType));
+ } else if (lastData->flags & QDeclarativePropertyCache::Data::IsQScriptValue) {
+ QScriptValue rv = scriptEngine->nullValue();
+ void *args[] = { &rv, 0 };
+ QMetaObject::metacall(obj, QMetaObject::ReadProperty, lastData->coreIndex, args);
+ return Value(scriptEngine, rv);
+ } else if (lastData->propType == QMetaType::QReal) {
+ qreal rv = 0;
+ void *args[] = { &rv, 0 };
+ QMetaObject::metacall(obj, QMetaObject::ReadProperty, lastData->coreIndex, args);
+ return Value(scriptEngine, rv);
+ } else if (lastData->propType == QMetaType::Int || lastData->flags & QDeclarativePropertyCache::Data::IsEnumType) {
+ int rv = 0;
+ void *args[] = { &rv, 0 };
+ QMetaObject::metacall(obj, QMetaObject::ReadProperty, lastData->coreIndex, args);
+ return Value(scriptEngine, rv);
+ } else if (lastData->propType == QMetaType::Bool) {
+ bool rv = false;
+ void *args[] = { &rv, 0 };
+ QMetaObject::metacall(obj, QMetaObject::ReadProperty, lastData->coreIndex, args);
+ return Value(scriptEngine, rv);
+ } else if (lastData->propType == QMetaType::QString) {
+ QString rv;
+ void *args[] = { &rv, 0 };
+ QMetaObject::metacall(obj, QMetaObject::ReadProperty, lastData->coreIndex, args);
+ return Value(scriptEngine, rv);
+ } else if (lastData->propType == QMetaType::UInt) {
+ uint rv = 0;
+ void *args[] = { &rv, 0 };
+ QMetaObject::metacall(obj, QMetaObject::ReadProperty, lastData->coreIndex, args);
+ return Value(scriptEngine, rv);
+ } else if (lastData->propType == QMetaType::Float) {
+ float rv = 0;
+ void *args[] = { &rv, 0 };
+ QMetaObject::metacall(obj, QMetaObject::ReadProperty, lastData->coreIndex, args);
+ return Value(scriptEngine, rv);
+ } else if (lastData->propType == QMetaType::Double) {
+ double rv = 0;
+ void *args[] = { &rv, 0 };
+ QMetaObject::metacall(obj, QMetaObject::ReadProperty, lastData->coreIndex, args);
+ return Value(scriptEngine, rv);
+ } else {
+ QVariant var = obj->metaObject()->property(lastData->coreIndex).read(obj);
+ return Value(scriptEngine, enginePriv->scriptValueFromVariant(var));
+ }
+ }
+}
+
+void QDeclarativeObjectScriptClass::setProperty(Object *object,
+ const Identifier &name,
+ const QScriptValue &value)
+{
+ return setProperty(toQObject(object), name, value, context());
+}
+
+void QDeclarativeObjectScriptClass::setProperty(QObject *obj,
+ const Identifier &name,
+ const QScriptValue &value,
+ QScriptContext *context,
+ QDeclarativeContextData *evalContext)
+{
+ Q_UNUSED(name);
+
+ Q_ASSERT(obj);
+ Q_ASSERT(lastData);
+ Q_ASSERT(context);
+
+ if (!lastData->isValid()) {
+ QString error = QLatin1String("Cannot assign to non-existent property \"") +
+ toString(name) + QLatin1Char('\"');
+ context->throwError(error);
+ return;
+ }
+
+ if (!(lastData->flags & QDeclarativePropertyCache::Data::IsWritable) &&
+ !(lastData->flags & QDeclarativePropertyCache::Data::IsQList)) {
+ QString error = QLatin1String("Cannot assign to read-only property \"") +
+ toString(name) + QLatin1Char('\"');
+ context->throwError(error);
+ return;
+ }
+
+ QDeclarativeEnginePrivate *enginePriv = QDeclarativeEnginePrivate::get(engine);
+
+ if (!evalContext) {
+ // Global object, QScriptContext activation object, QDeclarativeContext object
+ QScriptValue scopeNode = scopeChainValue(context, -3);
+ if (scopeNode.isValid()) {
+ Q_ASSERT(scriptClass(scopeNode) == enginePriv->contextClass);
+
+ evalContext = enginePriv->contextClass->contextFromValue(scopeNode);
+ }
+ }
+
+ QDeclarativeAbstractBinding *delBinding =
+ QDeclarativePropertyPrivate::setBinding(obj, lastData->coreIndex, -1, 0);
+ if (delBinding)
+ delBinding->destroy();
+
+ if (value.isNull() && lastData->flags & QDeclarativePropertyCache::Data::IsQObjectDerived) {
+ QObject *o = 0;
+ int status = -1;
+ int flags = 0;
+ void *argv[] = { &o, 0, &status, &flags };
+ QMetaObject::metacall(obj, QMetaObject::WriteProperty, lastData->coreIndex, argv);
+ } else if (value.isUndefined() && lastData->flags & QDeclarativePropertyCache::Data::IsResettable) {
+ void *a[] = { 0 };
+ QMetaObject::metacall(obj, QMetaObject::ResetProperty, lastData->coreIndex, a);
+ } else if (value.isUndefined() && lastData->propType == qMetaTypeId<QVariant>()) {
+ QDeclarativePropertyPrivate::write(obj, *lastData, QVariant(), evalContext);
+ } else if (value.isUndefined()) {
+ QString error = QLatin1String("Cannot assign [undefined] to ") +
+ QLatin1String(QMetaType::typeName(lastData->propType));
+ context->throwError(error);
+ } else if (!value.isRegExp() && value.isFunction()) {
+ QString error = QLatin1String("Cannot assign a function to a property.");
+ context->throwError(error);
+ } else {
+ QVariant v;
+ if (lastData->flags & QDeclarativePropertyCache::Data::IsQList)
+ v = enginePriv->scriptValueToVariant(value, qMetaTypeId<QList<QObject *> >());
+ else
+ v = enginePriv->scriptValueToVariant(value, lastData->propType);
+
+ if (!QDeclarativePropertyPrivate::write(obj, *lastData, v, evalContext)) {
+ const char *valueType = 0;
+ if (v.userType() == QVariant::Invalid) valueType = "null";
+ else valueType = QMetaType::typeName(v.userType());
+
+ QString error = QLatin1String("Cannot assign ") +
+ QLatin1String(valueType) +
+ QLatin1String(" to ") +
+ QLatin1String(QMetaType::typeName(lastData->propType));
+ context->throwError(error);
+ }
+ }
+}
+
+bool QDeclarativeObjectScriptClass::isQObject() const
+{
+ return true;
+}
+
+QObject *QDeclarativeObjectScriptClass::toQObject(Object *object, bool *ok)
+{
+ if (ok) *ok = true;
+
+ ObjectData *data = (ObjectData*)object;
+ return data->object.data();
+}
+
+QScriptValue QDeclarativeObjectScriptClass::tostring(QScriptContext *context, QScriptEngine *)
+{
+ QObject* obj = context->thisObject().toQObject();
+
+ QString ret;
+ if(obj){
+ QString objectName = obj->objectName();
+
+ ret += QString::fromUtf8(obj->metaObject()->className());
+ ret += QLatin1String("(0x");
+ ret += QString::number((intptr_t)obj,16);
+
+ if (!objectName.isEmpty()) {
+ ret += QLatin1String(", \"");
+ ret += objectName;
+ ret += QLatin1Char('\"');
+ }
+
+ ret += QLatin1Char(')');
+ }else{
+ ret += QLatin1String("null");
+ }
+ return QScriptValue(ret);
+}
+
+QScriptValue QDeclarativeObjectScriptClass::destroy(QScriptContext *context, QScriptEngine *engine)
+{
+ QDeclarativeEnginePrivate *p = QDeclarativeEnginePrivate::get(engine);
+ QScriptValue that = context->thisObject();
+
+ if (scriptClass(that) != p->objectClass)
+ return engine->undefinedValue();
+
+ ObjectData *data = (ObjectData *)p->objectClass->object(that);
+ if (!data->object)
+ return engine->undefinedValue();
+
+ QDeclarativeData *ddata = QDeclarativeData::get(data->object, false);
+ if (!ddata || ddata->indestructible)
+ return engine->currentContext()->throwError(QLatin1String("Invalid attempt to destroy() an indestructible object"));
+
+ QObject *obj = data->object;
+ int delay = 0;
+ if (context->argumentCount() > 0)
+ delay = context->argument(0).toInt32();
+ if (delay > 0)
+ QTimer::singleShot(delay, obj, SLOT(deleteLater()));
+ else
+ obj->deleteLater();
+
+ return engine->undefinedValue();
+}
+
+QStringList QDeclarativeObjectScriptClass::propertyNames(Object *object)
+{
+ QObject *obj = toQObject(object);
+ if (!obj)
+ return QStringList();
+
+ QDeclarativeEnginePrivate *enginePrivate = QDeclarativeEnginePrivate::get(engine);
+
+ QDeclarativePropertyCache *cache = 0;
+ QDeclarativeData *ddata = QDeclarativeData::get(obj);
+ if (ddata)
+ cache = ddata->propertyCache;
+ if (!cache) {
+ cache = enginePrivate->cache(obj);
+ if (cache) {
+ if (ddata) { cache->addref(); ddata->propertyCache = cache; }
+ } else {
+ // Not cachable - fall back to QMetaObject (eg. dynamic meta object)
+ // XXX QDeclarativeOpenMetaObject has a cache, so this is suboptimal.
+ // XXX This is a workaround for QTBUG-9420.
+ const QMetaObject *mo = obj->metaObject();
+ QStringList r;
+ int pc = mo->propertyCount();
+ int po = mo->propertyOffset();
+ for (int i=po; i<pc; ++i)
+ r += QString::fromUtf8(mo->property(i).name());
+ return r;
+ }
+ }
+ return cache->propertyNames();
+}
+
+bool QDeclarativeObjectScriptClass::compare(Object *o1, Object *o2)
+{
+ ObjectData *d1 = (ObjectData *)o1;
+ ObjectData *d2 = (ObjectData *)o2;
+
+ return d1 == d2 || d1->object == d2->object;
+}
+
+struct MethodData : public QScriptDeclarativeClass::Object {
+ MethodData(QObject *o, const QDeclarativePropertyCache::Data &d) : object(o), data(d) {}
+
+ QDeclarativeGuard<QObject> object;
+ QDeclarativePropertyCache::Data data;
+};
+
+QDeclarativeObjectMethodScriptClass::QDeclarativeObjectMethodScriptClass(QDeclarativeEngine *bindEngine)
+: QScriptDeclarativeClass(QDeclarativeEnginePrivate::getScriptEngine(bindEngine)),
+ engine(bindEngine)
+{
+ qRegisterMetaType<QList<QObject *> >("QList<QObject *>");
+
+ setSupportsCall(true);
+
+ QScriptEngine *scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine);
+
+ m_connect = scriptEngine->newFunction(connect);
+ m_connectId = createPersistentIdentifier(QLatin1String("connect"));
+ m_disconnect = scriptEngine->newFunction(disconnect);
+ m_disconnectId = createPersistentIdentifier(QLatin1String("disconnect"));
+}
+
+QDeclarativeObjectMethodScriptClass::~QDeclarativeObjectMethodScriptClass()
+{
+}
+
+QScriptValue QDeclarativeObjectMethodScriptClass::newMethod(QObject *object, const QDeclarativePropertyCache::Data *method)
+{
+ QScriptEngine *scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine);
+
+ return newObject(scriptEngine, this, new MethodData(object, *method));
+}
+
+QScriptValue QDeclarativeObjectMethodScriptClass::connect(QScriptContext *context, QScriptEngine *engine)
+{
+ QDeclarativeEnginePrivate *p = QDeclarativeEnginePrivate::get(engine);
+
+ QScriptValue that = context->thisObject();
+ if (&p->objectClass->methods != scriptClass(that))
+ return engine->undefinedValue();
+
+ MethodData *data = (MethodData *)object(that);
+
+ if (!data->object || context->argumentCount() == 0)
+ return engine->undefinedValue();
+
+ QByteArray signal("2");
+ signal.append(data->object->metaObject()->method(data->data.coreIndex).signature());
+
+ if (context->argumentCount() == 1) {
+ qScriptConnect(data->object, signal.constData(), QScriptValue(), context->argument(0));
+ } else {
+ qScriptConnect(data->object, signal.constData(), context->argument(0), context->argument(1));
+ }
+
+ return engine->undefinedValue();
+}
+
+QScriptValue QDeclarativeObjectMethodScriptClass::disconnect(QScriptContext *context, QScriptEngine *engine)
+{
+ QDeclarativeEnginePrivate *p = QDeclarativeEnginePrivate::get(engine);
+
+ QScriptValue that = context->thisObject();
+ if (&p->objectClass->methods != scriptClass(that))
+ return engine->undefinedValue();
+
+ MethodData *data = (MethodData *)object(that);
+
+ if (!data->object || context->argumentCount() == 0)
+ return engine->undefinedValue();
+
+ QByteArray signal("2");
+ signal.append(data->object->metaObject()->method(data->data.coreIndex).signature());
+
+ if (context->argumentCount() == 1) {
+ qScriptDisconnect(data->object, signal.constData(), QScriptValue(), context->argument(0));
+ } else {
+ qScriptDisconnect(data->object, signal.constData(), context->argument(0), context->argument(1));
+ }
+
+ return engine->undefinedValue();
+}
+
+QScriptClass::QueryFlags
+QDeclarativeObjectMethodScriptClass::queryProperty(Object *, const Identifier &name,
+ QScriptClass::QueryFlags flags)
+{
+ Q_UNUSED(flags);
+ if (name == m_connectId.identifier || name == m_disconnectId.identifier)
+ return QScriptClass::HandlesReadAccess;
+ else
+ return 0;
+
+}
+
+QDeclarativeObjectMethodScriptClass::Value
+QDeclarativeObjectMethodScriptClass::property(Object *, const Identifier &name)
+{
+ QScriptEngine *scriptEngine = QDeclarativeEnginePrivate::getScriptEngine(engine);
+
+ if (name == m_connectId.identifier)
+ return Value(scriptEngine, m_connect);
+ else if (name == m_disconnectId.identifier)
+ return Value(scriptEngine, m_disconnect);
+ else
+ return Value();
+}
+
+namespace {
+struct MetaCallArgument {
+ inline MetaCallArgument();
+ inline ~MetaCallArgument();
+ inline void *dataPtr();
+
+ inline void initAsType(int type, QDeclarativeEngine *);
+ void fromScriptValue(int type, QDeclarativeEngine *, const QScriptValue &);
+ inline QScriptDeclarativeClass::Value toValue(QDeclarativeEngine *);
+
+private:
+ MetaCallArgument(const MetaCallArgument &);
+
+ inline void cleanup();
+
+ char data[4 * sizeof(void *)];
+ int type;
+};
+}
+
+MetaCallArgument::MetaCallArgument()
+: type(QVariant::Invalid)
+{
+}
+
+MetaCallArgument::~MetaCallArgument()
+{
+ cleanup();
+}
+
+void MetaCallArgument::cleanup()
+{
+ if (type == QMetaType::QString) {
+ ((QString *)&data)->~QString();
+ } else if (type == -1 || type == qMetaTypeId<QVariant>()) {
+ ((QVariant *)&data)->~QVariant();
+ } else if (type == qMetaTypeId<QScriptValue>()) {
+ ((QScriptValue *)&data)->~QScriptValue();
+ } else if (type == qMetaTypeId<QList<QObject *> >()) {
+ ((QList<QObject *> *)&data)->~QList<QObject *>();
+ }
+}
+
+void *MetaCallArgument::dataPtr()
+{
+ if (type == -1)
+ return ((QVariant *)data)->data();
+ else
+ return (void *)&data;
+}
+
+void MetaCallArgument::initAsType(int callType, QDeclarativeEngine *e)
+{
+ if (type != 0) { cleanup(); type = 0; }
+ if (callType == 0) return;
+
+ QScriptEngine *engine = QDeclarativeEnginePrivate::getScriptEngine(e);
+
+ if (callType == qMetaTypeId<QScriptValue>()) {
+ new (&data) QScriptValue(engine->undefinedValue());
+ type = callType;
+ } else if (callType == QMetaType::Int ||
+ callType == QMetaType::UInt ||
+ callType == QMetaType::Bool ||
+ callType == QMetaType::Double ||
+ callType == QMetaType::Float) {
+ type = callType;
+ } else if (callType == QMetaType::QObjectStar) {
+ *((QObject **)&data) = 0;
+ type = callType;
+ } else if (callType == QMetaType::QString) {
+ new (&data) QString();
+ type = callType;
+ } else if (callType == qMetaTypeId<QVariant>()) {
+ type = callType;
+ new (&data) QVariant();
+ } else if (callType == qMetaTypeId<QList<QObject *> >()) {
+ type = callType;
+ new (&data) QList<QObject *>();
+ } else {
+ type = -1;
+ new (&data) QVariant(callType, (void *)0);
+ }
+}
+
+void MetaCallArgument::fromScriptValue(int callType, QDeclarativeEngine *engine, const QScriptValue &value)
+{
+ if (type != 0) { cleanup(); type = 0; }
+
+ if (callType == qMetaTypeId<QScriptValue>()) {
+ new (&data) QScriptValue(value);
+ type = qMetaTypeId<QScriptValue>();
+ } else if (callType == QMetaType::Int) {
+ *((int *)&data) = int(value.toInt32());
+ type = callType;
+ } else if (callType == QMetaType::UInt) {
+ *((uint *)&data) = uint(value.toUInt32());
+ type = callType;
+ } else if (callType == QMetaType::Bool) {
+ *((bool *)&data) = value.toBool();
+ type = callType;
+ } else if (callType == QMetaType::Double) {
+ *((double *)&data) = double(value.toNumber());
+ type = callType;
+ } else if (callType == QMetaType::Float) {
+ *((float *)&data) = float(value.toNumber());
+ type = callType;
+ } else if (callType == QMetaType::QString) {
+ if (value.isNull() || value.isUndefined())
+ new (&data) QString();
+ else
+ new (&data) QString(value.toString());
+ type = callType;
+ } else if (callType == QMetaType::QObjectStar) {
+ *((QObject **)&data) = value.toQObject();
+ type = callType;
+ } else if (callType == qMetaTypeId<QVariant>()) {
+ new (&data) QVariant(QDeclarativeEnginePrivate::get(engine)->scriptValueToVariant(value));
+ type = callType;
+ } else if (callType == qMetaTypeId<QList<QObject*> >()) {
+ QList<QObject *> *list = new (&data) QList<QObject *>();
+ if (value.isArray()) {
+ int length = value.property(QLatin1String("length")).toInt32();
+ for (int ii = 0; ii < length; ++ii) {
+ QScriptValue arrayItem = value.property(ii);
+ QObject *d = arrayItem.toQObject();
+ list->append(d);
+ }
+ } else if (QObject *d = value.toQObject()) {
+ list->append(d);
+ }
+ type = callType;
+ } else {
+ new (&data) QVariant();
+ type = -1;
+
+ QVariant v = QDeclarativeEnginePrivate::get(engine)->scriptValueToVariant(value);
+ if (v.userType() == callType) {
+ *((QVariant *)&data) = v;
+ } else if (v.canConvert((QVariant::Type)callType)) {
+ *((QVariant *)&data) = v;
+ ((QVariant *)&data)->convert((QVariant::Type)callType);
+ } else {
+ *((QVariant *)&data) = QVariant(callType, (void *)0);
+ }
+ }
+}
+
+QScriptDeclarativeClass::Value MetaCallArgument::toValue(QDeclarativeEngine *e)
+{
+ QScriptEngine *engine = QDeclarativeEnginePrivate::getScriptEngine(e);
+
+ if (type == qMetaTypeId<QScriptValue>()) {
+ return QScriptDeclarativeClass::Value(engine, *((QScriptValue *)&data));
+ } else if (type == QMetaType::Int) {
+ return QScriptDeclarativeClass::Value(engine, *((int *)&data));
+ } else if (type == QMetaType::UInt) {
+ return QScriptDeclarativeClass::Value(engine, *((uint *)&data));
+ } else if (type == QMetaType::Bool) {
+ return QScriptDeclarativeClass::Value(engine, *((bool *)&data));
+ } else if (type == QMetaType::Double) {
+ return QScriptDeclarativeClass::Value(engine, *((double *)&data));
+ } else if (type == QMetaType::Float) {
+ return QScriptDeclarativeClass::Value(engine, *((float *)&data));
+ } else if (type == QMetaType::QString) {
+ return QScriptDeclarativeClass::Value(engine, *((QString *)&data));
+ } else if (type == QMetaType::QObjectStar) {
+ QObject *object = *((QObject **)&data);
+ if (object)
+ QDeclarativeData::get(object, true)->setImplicitDestructible();
+ QDeclarativeEnginePrivate *priv = QDeclarativeEnginePrivate::get(e);
+ return QScriptDeclarativeClass::Value(engine, priv->objectClass->newQObject(object));
+ } else if (type == qMetaTypeId<QList<QObject *> >()) {
+ QList<QObject *> &list = *(QList<QObject *>*)&data;
+ QScriptValue rv = engine->newArray(list.count());
+ QDeclarativeEnginePrivate *priv = QDeclarativeEnginePrivate::get(e);
+ for (int ii = 0; ii < list.count(); ++ii) {
+ QObject *object = list.at(ii);
+ QDeclarativeData::get(object, true)->setImplicitDestructible();
+ rv.setProperty(ii, priv->objectClass->newQObject(object));
+ }
+ return QScriptDeclarativeClass::Value(engine, rv);
+ } else if (type == -1 || type == qMetaTypeId<QVariant>()) {
+ return QScriptDeclarativeClass::Value(engine, QDeclarativeEnginePrivate::get(e)->scriptValueFromVariant(*((QVariant *)&data)));
+ } else {
+ return QScriptDeclarativeClass::Value();
+ }
+}
+
+QDeclarativeObjectMethodScriptClass::Value QDeclarativeObjectMethodScriptClass::call(Object *o, QScriptContext *ctxt)
+{
+ MethodData *method = static_cast<MethodData *>(o);
+
+ if (method->data.flags & QDeclarativePropertyCache::Data::HasArguments) {
+
+ QMetaMethod m = method->object->metaObject()->method(method->data.coreIndex);
+ QList<QByteArray> argTypeNames = m.parameterTypes();
+ QVarLengthArray<int, 9> argTypes(argTypeNames.count());
+
+ // ### Cache
+ for (int ii = 0; ii < argTypeNames.count(); ++ii) {
+ argTypes[ii] = QMetaType::type(argTypeNames.at(ii));
+ if (argTypes[ii] == QVariant::Invalid)
+ return Value(ctxt, ctxt->throwError(QString::fromLatin1("Unknown method parameter type: %1").arg(QLatin1String(argTypeNames.at(ii)))));
+ }
+
+ if (argTypes.count() > ctxt->argumentCount())
+ return Value(ctxt, ctxt->throwError(QLatin1String("Insufficient arguments")));
+
+ QVarLengthArray<MetaCallArgument, 9> args(argTypes.count() + 1);
+ args[0].initAsType(method->data.propType, engine);
+
+ for (int ii = 0; ii < argTypes.count(); ++ii)
+ args[ii + 1].fromScriptValue(argTypes[ii], engine, ctxt->argument(ii));
+
+ QVarLengthArray<void *, 9> argData(args.count());
+ for (int ii = 0; ii < args.count(); ++ii)
+ argData[ii] = args[ii].dataPtr();
+
+ QMetaObject::metacall(method->object, QMetaObject::InvokeMetaMethod, method->data.coreIndex, argData.data());
+
+ return args[0].toValue(engine);
+
+ } else if (method->data.propType != 0) {
+
+ MetaCallArgument arg;
+ arg.initAsType(method->data.propType, engine);
+
+ void *args[] = { arg.dataPtr() };
+
+ QMetaObject::metacall(method->object, QMetaObject::InvokeMetaMethod, method->data.coreIndex, args);
+
+ return arg.toValue(engine);
+
+ } else {
+
+ void *args[] = { 0 };
+ QMetaObject::metacall(method->object, QMetaObject::InvokeMetaMethod, method->data.coreIndex, args);
+ return Value();
+
+ }
+ return Value();
+}
+
+QT_END_NAMESPACE
+