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diff --git a/src/declarative/qml/qdeclarativeobjectscriptclass.cpp b/src/declarative/qml/qdeclarativeobjectscriptclass.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2012 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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)
+
+#if defined(__GNUC__)
+# if (__GNUC__ * 100 + __GNUC_MINOR__) >= 405
+// The code in this file does not violate strict aliasing, but GCC thinks it does
+// so turn off the warnings for us to have a clean build
+# pragma GCC diagnostic ignored "-Wstrict-aliasing"
+# endif
+#endif
+
+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 ((hints & ImplicitObject) && lastData && lastData->revision != 0) {
+
+ QDeclarativeData *ddata = QDeclarativeData::get(obj);
+ if (ddata && ddata->propertyCache && !ddata->propertyCache->isAllowedInRevision(lastData))
+ return 0;
+ }
+
+ 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::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)) {
+ if (lastData->coreIndex == 0) {
+ enginePriv->capturedProperties <<
+ QDeclarativeEnginePrivate::CapturedProperty(QDeclarativeData::get(obj, true)->objectNameNotifier());
+ } else {
+ 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);
+ }
+ }
+
+ QDeclarativeBinding *newBinding = 0;
+ if (value.isFunction() && !value.isRegExp()) {
+ QScriptContextInfo ctxtInfo(context);
+ QDeclarativePropertyCache::ValueTypeData valueTypeData;
+
+ newBinding = new QDeclarativeBinding(value, obj, evalContext);
+ newBinding->setSourceLocation(ctxtInfo.fileName(), ctxtInfo.functionStartLineNumber());
+ newBinding->setTarget(QDeclarativePropertyPrivate::restore(*lastData, valueTypeData, obj, evalContext));
+ if (newBinding->expression().contains(QLatin1String("this")))
+ newBinding->setEvaluateFlags(newBinding->evaluateFlags() | QDeclarativeBinding::RequiresThisObject);
+ }
+
+ QDeclarativeAbstractBinding *delBinding =
+ QDeclarativePropertyPrivate::setBinding(obj, lastData->coreIndex, -1, newBinding);
+ 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.isFunction() && !value.isRegExp()) {
+ // this is handled by the binding creation above
+ } else {
+ //### expand optimization for other known types
+ if (lastData->propType == QMetaType::Int && value.isNumber()) {
+ int rawValue = qRound(value.toNumber());
+ int status = -1;
+ int flags = 0;
+ void *a[] = { (void *)&rawValue, 0, &status, &flags };
+ QMetaObject::metacall(obj, QMetaObject::WriteProperty,
+ lastData->coreIndex, a);
+ return;
+ } else if (lastData->propType == QMetaType::QReal && value.isNumber()) {
+ qreal rawValue = qreal(value.toNumber());
+ int status = -1;
+ int flags = 0;
+ void *a[] = { (void *)&rawValue, 0, &status, &flags };
+ QMetaObject::metacall(obj, QMetaObject::WriteProperty,
+ lastData->coreIndex, a);
+ return;
+ } else if (lastData->propType == QMetaType::QString && value.isString()) {
+ const QString &rawValue = value.toString();
+ int status = -1;
+ int flags = 0;
+ void *a[] = { (void *)&rawValue, 0, &status, &flags };
+ QMetaObject::metacall(obj, QMetaObject::WriteProperty,
+ lastData->coreIndex, a);
+ return;
+ }
+
+ 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((quintptr)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();
+
+ union {
+ float floatValue;
+ double doubleValue;
+ quint32 intValue;
+ bool boolValue;
+ QObject *qobjectPtr;
+
+ char allocData[sizeof(QVariant)];
+ };
+
+ // Pointers to allocData
+ union {
+ QString *qstringPtr;
+ QVariant *qvariantPtr;
+ QList<QObject *> *qlistPtr;
+ QScriptValue *qscriptValuePtr;
+ };
+
+ int type;
+};
+}
+
+MetaCallArgument::MetaCallArgument()
+: type(QVariant::Invalid)
+{
+}
+
+MetaCallArgument::~MetaCallArgument()
+{
+ cleanup();
+}
+
+void MetaCallArgument::cleanup()
+{
+ if (type == QMetaType::QString) {
+ qstringPtr->~QString();
+ } else if (type == -1 || type == QMetaType::QVariant) {
+ qvariantPtr->~QVariant();
+ } else if (type == qMetaTypeId<QScriptValue>()) {
+ qscriptValuePtr->~QScriptValue();
+ } else if (type == qMetaTypeId<QList<QObject *> >()) {
+ qlistPtr->~QList<QObject *>();
+ }
+}
+
+void *MetaCallArgument::dataPtr()
+{
+ if (type == -1)
+ return qvariantPtr->data();
+ else
+ return (void *)&allocData;
+}
+
+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>()) {
+ qscriptValuePtr = new (&allocData) 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) {
+ qobjectPtr = 0;
+ type = callType;
+ } else if (callType == QMetaType::QString) {
+ qstringPtr = new (&allocData) QString();
+ type = callType;
+ } else if (callType == qMetaTypeId<QVariant>()) {
+ type = callType;
+ qvariantPtr = new (&allocData) QVariant();
+ } else if (callType == qMetaTypeId<QList<QObject *> >()) {
+ type = callType;
+ qlistPtr = new (&allocData) QList<QObject *>();
+ } else {
+ type = -1;
+ qvariantPtr = new (&allocData) QVariant(callType, (void *)0);
+ }
+}
+
+void MetaCallArgument::fromScriptValue(int callType, QDeclarativeEngine *engine, const QScriptValue &value)
+{
+ if (type != 0) { cleanup(); type = 0; }
+
+ if (callType == qMetaTypeId<QScriptValue>()) {
+ qscriptValuePtr = new (&allocData) QScriptValue(value);
+ type = qMetaTypeId<QScriptValue>();
+ } else if (callType == QMetaType::Int) {
+ intValue = quint32(value.toInt32());
+ type = callType;
+ } else if (callType == QMetaType::UInt) {
+ intValue = quint32(value.toUInt32());
+ type = callType;
+ } else if (callType == QMetaType::Bool) {
+ boolValue = value.toBool();
+ type = callType;
+ } else if (callType == QMetaType::Double) {
+ doubleValue = double(value.toNumber());
+ type = callType;
+ } else if (callType == QMetaType::Float) {
+ floatValue = float(value.toNumber());
+ type = callType;
+ } else if (callType == QMetaType::QString) {
+ if (value.isNull() || value.isUndefined())
+ qstringPtr = new (&allocData) QString();
+ else
+ qstringPtr = new (&allocData) QString(value.toString());
+ type = callType;
+ } else if (callType == QMetaType::QObjectStar) {
+ qobjectPtr = value.toQObject();
+ type = callType;
+ } else if (callType == qMetaTypeId<QVariant>()) {
+ QVariant other = QDeclarativeEnginePrivate::get(engine)->scriptValueToVariant(value);
+ qvariantPtr = new (&allocData) QVariant(other);
+ type = callType;
+ } else if (callType == qMetaTypeId<QList<QObject*> >()) {
+ qlistPtr = new (&allocData) 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();
+ qlistPtr->append(d);
+ }
+ } else if (QObject *d = value.toQObject()) {
+ qlistPtr->append(d);
+ }
+ type = callType;
+ } else {
+ qvariantPtr = new (&allocData) QVariant();
+ type = -1;
+
+ QDeclarativeEnginePrivate *priv = QDeclarativeEnginePrivate::get(engine);
+ QVariant v = priv->scriptValueToVariant(value);
+ if (v.userType() == callType) {
+ *qvariantPtr = v;
+ } else if (v.canConvert((QVariant::Type)callType)) {
+ *qvariantPtr = v;
+ qvariantPtr->convert((QVariant::Type)callType);
+ } else if (const QMetaObject *mo = priv->rawMetaObjectForType(callType)) {
+ QObject *obj = priv->toQObject(v);
+
+ if (obj) {
+ const QMetaObject *objMo = obj->metaObject();
+ while (objMo && objMo != mo) objMo = objMo->superClass();
+ if (!objMo) obj = 0;
+ }
+
+ *qvariantPtr = QVariant(callType, &obj);
+ } else {
+ *qvariantPtr = QVariant(callType, (void *)0);
+ }
+ }
+}
+
+QScriptDeclarativeClass::Value MetaCallArgument::toValue(QDeclarativeEngine *e)
+{
+ QScriptEngine *engine = QDeclarativeEnginePrivate::getScriptEngine(e);
+
+ if (type == qMetaTypeId<QScriptValue>()) {
+ return QScriptDeclarativeClass::Value(engine, *qscriptValuePtr);
+ } else if (type == QMetaType::Int) {
+ return QScriptDeclarativeClass::Value(engine, int(intValue));
+ } else if (type == QMetaType::UInt) {
+ return QScriptDeclarativeClass::Value(engine, uint(intValue));
+ } else if (type == QMetaType::Bool) {
+ return QScriptDeclarativeClass::Value(engine, boolValue);
+ } else if (type == QMetaType::Double) {
+ return QScriptDeclarativeClass::Value(engine, doubleValue);
+ } else if (type == QMetaType::Float) {
+ return QScriptDeclarativeClass::Value(engine, floatValue);
+ } else if (type == QMetaType::QString) {
+ return QScriptDeclarativeClass::Value(engine, *qstringPtr);
+ } else if (type == QMetaType::QObjectStar) {
+ if (qobjectPtr)
+ QDeclarativeData::get(qobjectPtr, true)->setImplicitDestructible();
+ QDeclarativeEnginePrivate *priv = QDeclarativeEnginePrivate::get(e);
+ return QScriptDeclarativeClass::Value(engine, priv->objectClass->newQObject(qobjectPtr));
+ } else if (type == qMetaTypeId<QList<QObject *> >()) {
+ QList<QObject *> &list = *qlistPtr;
+ 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>()) {
+ QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(e);
+ QScriptValue rv = ep->scriptValueFromVariant(*qvariantPtr);
+ if (rv.isQObject()) {
+ QObject *object = rv.toQObject();
+ if (object)
+ QDeclarativeData::get(object, true)->setImplicitDestructible();
+ }
+ return QScriptDeclarativeClass::Value(engine, rv);
+ } else {
+ return QScriptDeclarativeClass::Value();
+ }
+}
+
+int QDeclarativeObjectMethodScriptClass::enumType(const QMetaObject *meta, const QString &strname)
+{
+ QByteArray str = strname.toUtf8();
+ QByteArray scope;
+ QByteArray name;
+ int scopeIdx = str.lastIndexOf("::");
+ if (scopeIdx != -1) {
+ scope = str.left(scopeIdx);
+ name = str.mid(scopeIdx + 2);
+ } else {
+ name = str;
+ }
+ for (int i = meta->enumeratorCount() - 1; i >= 0; --i) {
+ QMetaEnum m = meta->enumerator(i);
+ if ((m.name() == name) && (scope.isEmpty() || (m.scope() == scope)))
+ return QVariant::Int;
+ }
+ return QVariant::Invalid;
+}
+
+QDeclarativeObjectMethodScriptClass::Value QDeclarativeObjectMethodScriptClass::call(Object *o, QScriptContext *ctxt)
+{
+ MethodData *method = static_cast<MethodData *>(o);
+
+ if (method->data.relatedIndex == -1)
+ return callPrecise(method->object, method->data, ctxt);
+ else
+ return callOverloaded(method, ctxt);
+}
+
+QDeclarativeObjectMethodScriptClass::Value
+QDeclarativeObjectMethodScriptClass::callPrecise(QObject *object, const QDeclarativePropertyCache::Data &data,
+ QScriptContext *ctxt)
+{
+ if (data.flags & QDeclarativePropertyCache::Data::HasArguments) {
+
+ QMetaMethod m = object->metaObject()->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)
+ argTypes[ii] = enumType(object->metaObject(), QString::fromLatin1(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")));
+
+ return callMethod(object, data.coreIndex, data.propType, argTypes.count(), argTypes.data(), ctxt);
+
+ } else {
+
+ return callMethod(object, data.coreIndex, data.propType, 0, 0, ctxt);
+
+ }
+}
+
+QDeclarativeObjectMethodScriptClass::Value
+QDeclarativeObjectMethodScriptClass::callMethod(QObject *object, int index,
+ int returnType, int argCount, int *argTypes,
+ QScriptContext *ctxt)
+{
+ if (argCount > 0) {
+
+ QVarLengthArray<MetaCallArgument, 9> args(argCount + 1);
+ args[0].initAsType(returnType, engine);
+
+ for (int ii = 0; ii < argCount; ++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(object, QMetaObject::InvokeMetaMethod, index, argData.data());
+
+ return args[0].toValue(engine);
+
+ } else if (returnType != 0) {
+
+ MetaCallArgument arg;
+ arg.initAsType(returnType, engine);
+
+ void *args[] = { arg.dataPtr() };
+
+ QMetaObject::metacall(object, QMetaObject::InvokeMetaMethod, index, args);
+
+ return arg.toValue(engine);
+
+ } else {
+
+ void *args[] = { 0 };
+ QMetaObject::metacall(object, QMetaObject::InvokeMetaMethod, index, args);
+ return Value();
+
+ }
+}
+
+/*!
+Resolve the overloaded method to call. The algorithm works conceptually like this:
+ 1. Resolve the set of overloads it is *possible* to call.
+ Impossible overloads include those that have too many parameters or have parameters
+ of unknown type.
+ 2. Filter the set of overloads to only contain those with the closest number of
+ parameters.
+ For example, if we are called with 3 parameters and there are 2 overloads that
+ take 2 parameters and one that takes 3, eliminate the 2 parameter overloads.
+ 3. Find the best remaining overload based on its match score.
+ If two or more overloads have the same match score, call the last one. The match
+ score is constructed by adding the matchScore() result for each of the parameters.
+*/
+QDeclarativeObjectMethodScriptClass::Value
+QDeclarativeObjectMethodScriptClass::callOverloaded(MethodData *method, QScriptContext *ctxt)
+{
+ int argumentCount = ctxt->argumentCount();
+
+ QDeclarativePropertyCache::Data *best = 0;
+ int bestParameterScore = INT_MAX;
+ int bestMatchScore = INT_MAX;
+
+ QDeclarativePropertyCache::Data dummy;
+ QDeclarativePropertyCache::Data *attempt = &method->data;
+
+ do {
+ QList<QByteArray> methodArgTypeNames;
+
+ if (attempt->flags & QDeclarativePropertyCache::Data::HasArguments)
+ methodArgTypeNames = method->object->metaObject()->method(attempt->coreIndex).parameterTypes();
+
+ int methodArgumentCount = methodArgTypeNames.count();
+
+ if (methodArgumentCount > argumentCount)
+ continue; // We don't have sufficient arguments to call this method
+
+ int methodParameterScore = argumentCount - methodArgumentCount;
+ if (methodParameterScore > bestParameterScore)
+ continue; // We already have a better option
+
+ int methodMatchScore = 0;
+ QVarLengthArray<int, 9> methodArgTypes(methodArgumentCount);
+
+ bool unknownArgument = false;
+ for (int ii = 0; ii < methodArgumentCount; ++ii) {
+ methodArgTypes[ii] = QMetaType::type(methodArgTypeNames.at(ii));
+ if (methodArgTypes[ii] == QVariant::Invalid)
+ methodArgTypes[ii] = enumType(method->object->metaObject(),
+ QString::fromLatin1(methodArgTypeNames.at(ii)));
+ if (methodArgTypes[ii] == QVariant::Invalid) {
+ unknownArgument = true;
+ break;
+ }
+ methodMatchScore += matchScore(ctxt->argument(ii), methodArgTypes[ii], methodArgTypeNames.at(ii));
+ }
+ if (unknownArgument)
+ continue; // We don't understand all the parameters
+
+ if (bestParameterScore > methodParameterScore || bestMatchScore > methodMatchScore) {
+ best = attempt;
+ bestParameterScore = methodParameterScore;
+ bestMatchScore = methodMatchScore;
+ }
+
+ if (bestParameterScore == 0 && bestMatchScore == 0)
+ break; // We can't get better than that
+
+ } while((attempt = relatedMethod(method->object, attempt, dummy)) != 0);
+
+ if (best) {
+ return callPrecise(method->object, *best, ctxt);
+ } else {
+ QString error = QLatin1String("Unable to determine callable overload. Candidates are:");
+ QDeclarativePropertyCache::Data *candidate = &method->data;
+ while (candidate) {
+ error += QLatin1String("\n ") + QString::fromUtf8(method->object->metaObject()->method(candidate->coreIndex).signature());
+ candidate = relatedMethod(method->object, candidate, dummy);
+ }
+ return Value(ctxt, ctxt->throwError(error));
+ }
+}
+
+/*!
+ Returns the match score for converting \a actual to be of type \a conversionType. A
+ zero score means "perfect match" whereas a higher score is worse.
+
+ The conversion table is copied out of the QtScript callQtMethod() function.
+*/
+int QDeclarativeObjectMethodScriptClass::matchScore(const QScriptValue &actual, int conversionType,
+ const QByteArray &conversionTypeName)
+{
+ if (actual.isNumber()) {
+ switch (conversionType) {
+ case QMetaType::Double:
+ return 0;
+ case QMetaType::Float:
+ return 1;
+ case QMetaType::LongLong:
+ case QMetaType::ULongLong:
+ return 2;
+ case QMetaType::Long:
+ case QMetaType::ULong:
+ return 3;
+ case QMetaType::Int:
+ case QMetaType::UInt:
+ return 4;
+ case QMetaType::Short:
+ case QMetaType::UShort:
+ return 5;
+ break;
+ case QMetaType::Char:
+ case QMetaType::UChar:
+ return 6;
+ default:
+ return 10;
+ }
+ } else if (actual.isString()) {
+ switch (conversionType) {
+ case QMetaType::QString:
+ return 0;
+ default:
+ return 10;
+ }
+ } else if (actual.isBoolean()) {
+ switch (conversionType) {
+ case QMetaType::Bool:
+ return 0;
+ default:
+ return 10;
+ }
+ } else if (actual.isDate()) {
+ switch (conversionType) {
+ case QMetaType::QDateTime:
+ return 0;
+ case QMetaType::QDate:
+ return 1;
+ case QMetaType::QTime:
+ return 2;
+ default:
+ return 10;
+ }
+ } else if (actual.isRegExp()) {
+ switch (conversionType) {
+ case QMetaType::QRegExp:
+ return 0;
+ default:
+ return 10;
+ }
+ } else if (actual.isVariant()) {
+ if (conversionType == qMetaTypeId<QVariant>())
+ return 0;
+ else if (actual.toVariant().userType() == conversionType)
+ return 0;
+ else
+ return 10;
+ } else if (actual.isArray()) {
+ switch (conversionType) {
+ case QMetaType::QStringList:
+ case QMetaType::QVariantList:
+ return 5;
+ default:
+ return 10;
+ }
+ } else if (actual.isQObject()) {
+ switch (conversionType) {
+ case QMetaType::QObjectStar:
+ return 0;
+ default:
+ return 10;
+ }
+ } else if (actual.isNull()) {
+ switch (conversionType) {
+ case QMetaType::VoidStar:
+ case QMetaType::QObjectStar:
+ return 0;
+ default:
+ if (!conversionTypeName.endsWith('*'))
+ return 10;
+ else
+ return 0;
+ }
+ } else {
+ return 10;
+ }
+}
+
+static inline int QMetaObject_methods(const QMetaObject *metaObject)
+{
+ struct Private
+ {
+ int revision;
+ int className;
+ int classInfoCount, classInfoData;
+ int methodCount, methodData;
+ };
+
+ return reinterpret_cast<const Private *>(metaObject->d.data)->methodCount;
+}
+
+static QByteArray QMetaMethod_name(const QMetaMethod &m)
+{
+ QByteArray sig = m.signature();
+ int paren = sig.indexOf('(');
+ if (paren == -1)
+ return sig;
+ else
+ return sig.left(paren);
+}
+
+/*!
+Returns the next related method, if one, or 0.
+*/
+QDeclarativePropertyCache::Data *
+QDeclarativeObjectMethodScriptClass::relatedMethod(QObject *object, QDeclarativePropertyCache::Data *current,
+ QDeclarativePropertyCache::Data &dummy)
+{
+ QDeclarativePropertyCache *cache = QDeclarativeData::get(object)->propertyCache;
+ if (current->relatedIndex == -1)
+ return 0;
+
+ if (cache) {
+ return cache->method(current->relatedIndex);
+ } else {
+ const QMetaObject *mo = object->metaObject();
+ int methodOffset = mo->methodCount() - QMetaObject_methods(mo);
+
+ while (methodOffset > current->relatedIndex) {
+ mo = mo->superClass();
+ methodOffset -= QMetaObject_methods(mo);
+ }
+
+ QMetaMethod method = mo->method(current->relatedIndex);
+ dummy.load(method);
+
+ // Look for overloaded methods
+ QByteArray methodName = QMetaMethod_name(method);
+ for (int ii = current->relatedIndex - 1; ii >= methodOffset; --ii) {
+ if (methodName == QMetaMethod_name(mo->method(ii))) {
+ dummy.relatedIndex = ii;
+ return &dummy;
+ }
+ }
+
+ return &dummy;
+ }
+}
+
+QT_END_NAMESPACE
+