Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-qml into 4.7

7 files changed, 98 insertions, 69 deletions

diff --git a/src/declarative/qml/qdeclarativebinding.cpp b/src/declarative/qml/qdeclarativebinding.cpp
index 71cf3cb..bed1956 100644
--- a/src/declarative/qml/qdeclarativebinding.cpp
+++ b/src/declarative/qml/qdeclarativebinding.cpp
@@ -148,8 +148,26 @@ void QDeclarativeBinding::update(QDeclarativePropertyPrivate::WriteFlags flags)
                                   idx, a);
 
         } else {
+            QDeclarativeEnginePrivate *ep = (data->context() && data->context()->engine)?
+                QDeclarativeEnginePrivate::get(data->context()->engine):0;
+
             bool isUndefined = false;
-            QVariant value = this->value(&isUndefined);
+            QVariant value;
+
+            if (data->property.propertyTypeCategory() == QDeclarativeProperty::List) {
+                QScriptValue scriptValue = d->scriptValue(0, &isUndefined);
+                value = ep->scriptValueToVariant(scriptValue, qMetaTypeId<QList<QObject *> >());
+            } else {
+                QScriptValue scriptValue = d->scriptValue(0, &isUndefined);
+                value = ep->scriptValueToVariant(scriptValue);
+                if (value.userType() == QMetaType::QObjectStar && !qvariant_cast<QObject*>(value)) {
+                    // If the object is null, we extract the predicted type.  While this isn't
+                    // 100% reliable, in many cases it gives us better error messages if we
+                    // assign this null-object to an incompatible property
+                    int type = ep->objectClass->objectType(scriptValue);
+                    value = QVariant(type, (void *)0);
+                }
+            }
 
             if (isUndefined && !data->error.isValid() && data->property.isResettable()) {
 
@@ -187,9 +205,7 @@ void QDeclarativeBinding::update(QDeclarativePropertyPrivate::WriteFlags flags)
             }
 
             if (data->error.isValid()) {
-                QDeclarativeEnginePrivate *p = (data->context() && data->context()->engine)?
-                    QDeclarativeEnginePrivate::get(data->context()->engine):0;
-               if (!data->addError(p)) 
+               if (!data->addError(ep)) 
                    qWarning().nospace() << qPrintable(this->error().toString());
             } else {
                 data->removeError();
diff --git a/src/declarative/qml/qdeclarativeengine.cpp b/src/declarative/qml/qdeclarativeengine.cpp
index e8b6913..3c66efb 100644
--- a/src/declarative/qml/qdeclarativeengine.cpp
+++ b/src/declarative/qml/qdeclarativeengine.cpp
@@ -1324,7 +1324,6 @@ QScriptValue QDeclarativeEnginePrivate::tint(QScriptContext *ctxt, QScriptEngine
     return qScriptValueFromValue(engine, qVariantFromValue(finalColor));
 }
 
-
 QScriptValue QDeclarativeEnginePrivate::scriptValueFromVariant(const QVariant &val)
 {
     if (val.userType() == qMetaTypeId<QDeclarativeListReference>()) {
@@ -1335,6 +1334,14 @@ QScriptValue QDeclarativeEnginePrivate::scriptValueFromVariant(const QVariant &v
         } else {
             return scriptEngine.nullValue();
         }
+    } else if (val.userType() == qMetaTypeId<QList<QObject *> >()) {
+        const QList<QObject *> &list = *(QList<QObject *>*)val.constData();
+        QScriptValue rv = scriptEngine.newArray(list.count());
+        for (int ii = 0; ii < list.count(); ++ii) {
+            QObject *object = list.at(ii);
+            rv.setProperty(ii, objectClass->newQObject(object));
+        }
+        return rv;
     } 
 
     bool objOk;
@@ -1346,22 +1353,31 @@ QScriptValue QDeclarativeEnginePrivate::scriptValueFromVariant(const QVariant &v
     }
 }
 
-QVariant QDeclarativeEnginePrivate::scriptValueToVariant(const QScriptValue &val)
+QVariant QDeclarativeEnginePrivate::scriptValueToVariant(const QScriptValue &val, int hint)
 {
     QScriptDeclarativeClass *dc = QScriptDeclarativeClass::scriptClass(val);
     if (dc == objectClass)
         return QVariant::fromValue(objectClass->toQObject(val));
+    else if (dc == valueTypeClass) 
+        return valueTypeClass->toVariant(val);
     else if (dc == contextClass)
         return QVariant();
 
-    QScriptDeclarativeClass *sc = QScriptDeclarativeClass::scriptClass(val);
-    if (!sc) {
-        return val.toVariant();
-    } else if (sc == valueTypeClass) {
-        return valueTypeClass->toVariant(val);
-    } else {
-        return QVariant();
+    // Convert to a QList<QObject*> if val is an array and we were explicitly hinted, or
+    // if the first element is a QObject*
+    if ((hint == qMetaTypeId<QList<QObject *> >() && val.isArray()) ||
+        (val.isArray() && QScriptDeclarativeClass::scriptClass(val.property(0)) == objectClass)) {
+        QList<QObject *> list;
+        int length = val.property(QLatin1String("length")).toInt32();
+        for (int ii = 0; ii < length; ++ii) {
+            QScriptValue arrayItem = val.property(ii);
+            QObject *d = arrayItem.toQObject();
+            list << d;
+        }
+        return QVariant::fromValue(list);
     }
+
+    return val.toVariant();
 }
 
 // XXX this beyonds in QUrl::toLocalFile()
diff --git a/src/declarative/qml/qdeclarativeengine_p.h b/src/declarative/qml/qdeclarativeengine_p.h
index 45089d0..3f22d61 100644
--- a/src/declarative/qml/qdeclarativeengine_p.h
+++ b/src/declarative/qml/qdeclarativeengine_p.h
@@ -308,7 +308,7 @@ public:
     QHash<QString, QScriptValue> m_sharedScriptImports;
 
     QScriptValue scriptValueFromVariant(const QVariant &);
-    QVariant scriptValueToVariant(const QScriptValue &);
+    QVariant scriptValueToVariant(const QScriptValue &, int hint = QVariant::Invalid);
 
     void sendQuit ();
 
diff --git a/src/declarative/qml/qdeclarativeexpression.cpp b/src/declarative/qml/qdeclarativeexpression.cpp
index a250f21..e0aee52 100644
--- a/src/declarative/qml/qdeclarativeexpression.cpp
+++ b/src/declarative/qml/qdeclarativeexpression.cpp
@@ -351,7 +351,7 @@ void QDeclarativeExpressionPrivate::exceptionToError(QScriptEngine *scriptEngine
     }
 }
 
-QVariant QDeclarativeExpressionPrivate::evalQtScript(QObject *secondaryScope, bool *isUndefined)
+QScriptValue QDeclarativeExpressionPrivate::eval(QObject *secondaryScope, bool *isUndefined)
 {
     QDeclarativeExpressionData *data = this->data;
     QDeclarativeEngine *engine = data->context()->engine;
@@ -376,7 +376,7 @@ QVariant QDeclarativeExpressionPrivate::evalQtScript(QObject *secondaryScope, bo
             const QString code = rewriteBinding(data->expression, &ok);
             if (!ok) {
                 scriptEngine->popContext();
-                return QVariant();
+                return QScriptValue();
             }
             data->expressionFunction = scriptEngine->evaluate(code, data->url, data->line);
         }
@@ -413,54 +413,20 @@ QVariant QDeclarativeExpressionPrivate::evalQtScript(QObject *secondaryScope, bo
     if (scriptEngine->hasUncaughtException()) {
        exceptionToError(scriptEngine, data->error);
        scriptEngine->clearExceptions();
-       return QVariant();
+       return QScriptValue();
     } else {
         data->error = QDeclarativeError();
+        return svalue;
     }
-
-    QVariant rv;
-
-    if (svalue.isArray()) {
-        int length = svalue.property(QLatin1String("length")).toInt32();
-        if (length && svalue.property(0).isObject()) {
-            QList<QObject *> list;
-            for (int ii = 0; ii < length; ++ii) {
-                QScriptValue arrayItem = svalue.property(ii);
-                QObject *d = arrayItem.toQObject();
-                list << d;
-            }
-            rv = QVariant::fromValue(list);
-        }
-    } else if (svalue.isObject() &&
-               ep->objectClass->scriptClass(svalue) == ep->objectClass) {
-        QObject *o = svalue.toQObject();
-        int type = QMetaType::QObjectStar;
-        // If the object is null, we extract the predicted type.  While this isn't
-        // 100% reliable, in many cases it gives us better error messages if we
-        // assign this null-object to an incompatible property
-        if (!o) type = ep->objectClass->objectType(svalue);
-
-        return QVariant(type, &o);
-    }
-
-    if (rv.isNull())
-        rv = svalue.toVariant();
-
-    return rv;
 }
 
-QVariant QDeclarativeExpressionPrivate::value(QObject *secondaryScope, bool *isUndefined)
+QScriptValue QDeclarativeExpressionPrivate::scriptValue(QObject *secondaryScope, bool *isUndefined)
 {
     Q_Q(QDeclarativeExpression);
-
-    QVariant rv;
-    if (!q->engine()) {
-        qWarning("QDeclarativeExpression: Attempted to evaluate an expression in an invalid context");
-        return rv;
-    }
+    Q_ASSERT(q->engine());
 
     if (data->expression.isEmpty())
-        return rv;
+        return QScriptValue();
 
     QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(q->engine());
 
@@ -476,7 +442,7 @@ QVariant QDeclarativeExpressionPrivate::value(QObject *secondaryScope, bool *isU
     QDeclarativeExpressionData *localData = data;
     localData->addref();
 
-    rv = evalQtScript(secondaryScope, isUndefined);
+    QScriptValue value = eval(secondaryScope, isUndefined);
 
     ep->currentExpression = lastCurrentExpression;
     ep->captureProperties = lastCaptureProperties;
@@ -494,7 +460,21 @@ QVariant QDeclarativeExpressionPrivate::value(QObject *secondaryScope, bool *isU
 
     lastCapturedProperties.copyAndClear(ep->capturedProperties);
 
-    return rv;
+    return value;
+}
+
+QVariant QDeclarativeExpressionPrivate::value(QObject *secondaryScope, bool *isUndefined)
+{
+    Q_Q(QDeclarativeExpression);
+
+    if (!q->engine()) {
+        qWarning("QDeclarativeExpression: Attempted to evaluate an expression in an invalid context");
+        return QVariant();
+    }
+
+    QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(q->engine());
+
+    return ep->scriptValueToVariant(scriptValue(secondaryScope, isUndefined));
 }
 
 /*!
diff --git a/src/declarative/qml/qdeclarativeexpression_p.h b/src/declarative/qml/qdeclarativeexpression_p.h
index 9a90fb6..1a0e4dd 100644
--- a/src/declarative/qml/qdeclarativeexpression_p.h
+++ b/src/declarative/qml/qdeclarativeexpression_p.h
@@ -150,7 +150,9 @@ public:
     QDeclarativeExpressionData *data;
 
     QVariant value(QObject *secondaryScope = 0, bool *isUndefined = 0);
-    QVariant evalQtScript(QObject *secondaryScope, bool *isUndefined = 0);
+    QScriptValue scriptValue(QObject *secondaryScope = 0, bool *isUndefined = 0);
+
+    QScriptValue eval(QObject *secondaryScope, bool *isUndefined = 0);
 
     void updateGuards(const QPODVector<QDeclarativeEnginePrivate::CapturedProperty> &properties);
     void clearGuards();
diff --git a/src/declarative/qml/qdeclarativeobjectscriptclass.cpp b/src/declarative/qml/qdeclarativeobjectscriptclass.cpp
index 10b9fab..0e230e8 100644
--- a/src/declarative/qml/qdeclarativeobjectscriptclass.cpp
+++ b/src/declarative/qml/qdeclarativeobjectscriptclass.cpp
@@ -222,15 +222,10 @@ QDeclarativeObjectScriptClass::property(QObject *obj, const Identifier &name)
         if (lastData->flags & QDeclarativePropertyCache::Data::IsVMEFunction) {
             return Value(scriptEngine, ((QDeclarativeVMEMetaObject *)(obj->metaObject()))->vmeMethod(lastData->coreIndex));
         } else {
-#if (QT_VERSION > QT_VERSION_CHECK(4, 6, 2)) || defined(QT_HAVE_QSCRIPTDECLARATIVECLASS_VALUE)
             // 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
-            QScriptValue sobj = scriptEngine->newQObject(obj);
-            return Value(scriptEngine, sobj.property(toString(name)));
-#endif
         }
     } else {
         if (enginePriv->captureProperties && !(lastData->flags & QDeclarativePropertyCache::Data::IsConstant)) {
@@ -295,7 +290,6 @@ QDeclarativeObjectScriptClass::property(QObject *obj, const Identifier &name)
             QVariant var = obj->metaObject()->property(lastData->coreIndex).read(obj);
             return Value(scriptEngine, enginePriv->scriptValueFromVariant(var));
         }
-
     }
 }
 
@@ -456,8 +450,6 @@ bool QDeclarativeObjectScriptClass::compare(Object *o1, Object *o2)
     return d1 == d2 || d1->object == d2->object;
 }
 
-#if (QT_VERSION > QT_VERSION_CHECK(4, 6, 2)) || defined(QT_HAVE_QSCRIPTDECLARATIVECLASS_VALUE)
-
 struct MethodData : public QScriptDeclarativeClass::Object {
     MethodData(QObject *o, const QDeclarativePropertyCache::Data &d) : object(o), data(d) {}
 
@@ -687,7 +679,17 @@ void MetaCallArgument::fromScriptValue(int callType, QDeclarativeEngine *engine,
         new (&data) QVariant(QDeclarativeEnginePrivate::get(engine)->scriptValueToVariant(value));
         type = callType;
     } else if (callType == qMetaTypeId<QList<QObject*> >()) {
-        new (&data) QList<QObject *>(); // We don't support passing in 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();
@@ -800,7 +802,5 @@ QDeclarativeObjectMethodScriptClass::Value QDeclarativeObjectMethodScriptClass::
     return Value();
 }
 
-#endif
-
 QT_END_NAMESPACE
 
diff --git a/src/declarative/qml/qdeclarativeproperty.cpp b/src/declarative/qml/qdeclarativeproperty.cpp
index affb6b9..d33f29e 100644
--- a/src/declarative/qml/qdeclarativeproperty.cpp
+++ b/src/declarative/qml/qdeclarativeproperty.cpp
@@ -1045,6 +1045,21 @@ bool QDeclarativePropertyPrivate::write(QObject *object, const QDeclarativePrope
             prop.append(&prop, (void *)o);
         }
 
+    } else if (propertyType == qMetaTypeId<QList<QObject *> >()) {
+
+        QList<QObject *> list;
+
+        if (value.userType() == qMetaTypeId<QList<QObject *> >()) {
+            list = qvariant_cast<QList<QObject *> >(value);
+        } else {
+            QObject *o = enginePriv?enginePriv->toQObject(value):QDeclarativeMetaType::toQObject(value);
+            if (o)
+               list.append(o);
+        } 
+
+        void *args[] = { &list, 0, &status, &flags };
+        QMetaObject::metacall(object, QMetaObject::WriteProperty, coreIdx, args);
+
     } else {
         Q_ASSERT(variantType != propertyType);