+++ /dev/null
-/*
- * Copyright (C) 2006 Trolltech ASA
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- */
-
-#include "config.h"
-#include "identifier.h"
-
-#include "qt_class.h"
-#include "qt_instance.h"
-#include "qt_runtime.h"
-
-#include <qmetaobject.h>
-#include <qdebug.h>
-
-namespace KJS {
-namespace Bindings {
-
-QtClass::QtClass(const QMetaObject* mo)
- : m_metaObject(mo)
-{
-}
-
-QtClass::~QtClass()
-{
-}
-
-typedef HashMap<const QMetaObject*, QtClass*> ClassesByMetaObject;
-static ClassesByMetaObject* classesByMetaObject = 0;
-
-QtClass* QtClass::classForObject(QObject* o)
-{
- if (!classesByMetaObject)
- classesByMetaObject = new ClassesByMetaObject;
-
- const QMetaObject* mo = o->metaObject();
- QtClass* aClass = classesByMetaObject->get(mo);
- if (!aClass) {
- aClass = new QtClass(mo);
- classesByMetaObject->set(mo, aClass);
- }
-
- return aClass;
-}
-
-const char* QtClass::name() const
-{
- return m_metaObject->className();
-}
-
-// We use this to get at signals (so we can return a proper function object,
-// and not get wrapped in RuntimeMethod). Also, use this for methods,
-// so we can cache the JSValue* and return the same JSValue for the same
-// identifier...
-//
-// Unfortunately... we need to gcProtect our JSValues, since we don't have
-// access to an actual JS class that can mark() our JSValues.
-//
-JSValue* QtClass::fallbackObject(ExecState *exec, Instance *inst, const Identifier &identifier)
-{
- QtInstance* qtinst = static_cast<QtInstance*>(inst);
-
- QByteArray name(identifier.ascii());
-
- // First see if we have a cache hit
- JSValue* val = qtinst->m_methods.value(name);
- if (val)
- return val;
-
- // Nope, create an entry
- QByteArray normal = QMetaObject::normalizedSignature(name.constData());
-
- // See if there is an exact match
- int index = -1;
- if (normal.contains('(') && (index = m_metaObject->indexOfMethod(normal)) != -1) {
- QMetaMethod m = m_metaObject->method(index);
- if (m.access() != QMetaMethod::Private) {
- JSValue *val = new QtRuntimeMetaMethod(exec, identifier, static_cast<QtInstance*>(inst), index, normal, false);
- gcProtect(val);
- qtinst->m_methods.insert(name, val);
- return val;
- }
- }
-
- // Nope.. try a basename match
- int count = m_metaObject->methodCount();
- for (index = count - 1; index >= 0; --index) {
- const QMetaMethod m = m_metaObject->method(index);
- if (m.access() == QMetaMethod::Private)
- continue;
-
- QByteArray signature = m.signature();
- signature.truncate(signature.indexOf('('));
-
- if (normal == signature) {
- JSValue* val = new QtRuntimeMetaMethod(exec, identifier, static_cast<QtInstance*>(inst), index, normal, false);
- gcProtect(val);
- qtinst->m_methods.insert(name, val);
- return val;
- }
- }
-
- return jsUndefined();
-}
-
-// This functionality is handled by the fallback case above...
-MethodList QtClass::methodsNamed(const Identifier&, Instance*) const
-{
- return MethodList();
-}
-
-// ### we may end up with a different search order than QtScript by not
-// folding this code into the fallbackMethod above, but Fields propagate out
-// of the binding code
-Field* QtClass::fieldNamed(const Identifier& identifier, Instance* instance) const
-{
- // Check static properties first
- QtInstance* qtinst = static_cast<QtInstance*>(instance);
-
- QObject* obj = qtinst->getObject();
- UString ustring = identifier.ustring();
- QString objName(QString::fromUtf16((const ushort*)ustring.rep()->data(),ustring.size()));
- QByteArray ba = objName.toAscii();
-
- // First check for a cached field
- QtField* f = qtinst->m_fields.value(objName);
-
- if (obj) {
- if (f) {
- // We only cache real metaproperties, but we do store the
- // other types so we can delete them later
- if (f->fieldType() == QtField::MetaProperty)
- return f;
- else if (f->fieldType() == QtField::DynamicProperty) {
- if (obj->dynamicPropertyNames().indexOf(ba) >= 0)
- return f;
- else {
- // Dynamic property that disappeared
- qtinst->m_fields.remove(objName);
- delete f;
- }
- } else {
- QList<QObject*> children = obj->children();
- for (int index = 0; index < children.count(); ++index) {
- QObject *child = children.at(index);
- if (child->objectName() == objName)
- return f;
- }
-
- // Didn't find it, delete it from the cache
- qtinst->m_fields.remove(objName);
- delete f;
- }
- }
-
- int index = m_metaObject->indexOfProperty(identifier.ascii());
- if (index >= 0) {
- QMetaProperty prop = m_metaObject->property(index);
-
- if (prop.isScriptable(obj)) {
- f = new QtField(prop);
- qtinst->m_fields.insert(objName, f);
- return f;
- }
- }
-
- // Dynamic properties
- index = obj->dynamicPropertyNames().indexOf(ba);
- if (index >= 0) {
- f = new QtField(ba);
- qtinst->m_fields.insert(objName, f);
- return f;
- }
-
- // Child objects
-
- QList<QObject*> children = obj->children();
- for (index = 0; index < children.count(); ++index) {
- QObject *child = children.at(index);
- if (child->objectName() == objName) {
- f = new QtField(child);
- qtinst->m_fields.insert(objName, f);
- return f;
- }
- }
-
- // Nothing named this
- return 0;
- } else {
- QByteArray ba(identifier.ascii());
- // For compatibility with qtscript, cached methods don't cause
- // errors until they are accessed, so don't blindly create an error
- // here.
- if (qtinst->m_methods.contains(ba))
- return 0;
-
- // deleted qobject, but can't throw an error from here (no exec)
- // create a fake QtField that will throw upon access
- if (!f) {
- f = new QtField(ba);
- qtinst->m_fields.insert(objName, f);
- }
- return f;
- }
-}
-
-}
-}
-
projects / apple / javascriptcore.git / blobdiff