Exemplo n.º 1
0
JSBool
QueryInterface(JSContext* cx, unsigned argc, JS::Value* vp)
{
  JS::Value thisv = JS_THIS(cx, vp);
  if (thisv == JSVAL_NULL)
    return false;

  JSObject* obj = JSVAL_TO_OBJECT(thisv);
  JSClass* clasp = js::GetObjectJSClass(obj);
  if (!IsDOMClass(clasp) ||
      !DOMJSClass::FromJSClass(clasp)->mDOMObjectIsISupports) {
    return Throw<true>(cx, NS_ERROR_FAILURE);
  }

  nsISupports* native = UnwrapDOMObject<nsISupports>(obj);

  if (argc < 1) {
    return Throw<true>(cx, NS_ERROR_XPC_NOT_ENOUGH_ARGS);
  }

  JS::Value* argv = JS_ARGV(cx, vp);
  if (!argv[0].isObject()) {
    return Throw<true>(cx, NS_ERROR_XPC_BAD_CONVERT_JS);
  }

  nsIJSIID* iid;
  xpc_qsSelfRef iidRef;
  if (NS_FAILED(xpc_qsUnwrapArg<nsIJSIID>(cx, argv[0], &iid, &iidRef.ptr,
                                          &argv[0]))) {
    return Throw<true>(cx, NS_ERROR_XPC_BAD_CONVERT_JS);
  }
  MOZ_ASSERT(iid);

  if (iid->GetID()->Equals(NS_GET_IID(nsIClassInfo))) {
    nsresult rv;
    nsCOMPtr<nsIClassInfo> ci = do_QueryInterface(native, &rv);
    if (NS_FAILED(rv)) {
      return Throw<true>(cx, rv);
    }

    return WrapObject(cx, obj, ci, &NS_GET_IID(nsIClassInfo), vp);
  }
  
  // Lie, otherwise we need to check classinfo or QI
  *vp = thisv;
  return true;
}
Exemplo n.º 2
0
JSBool
RewrapIfNeeded(JSContext *cx, JSObject *outerObj, jsval *vp)
{
  // Don't need to wrap primitive values.
  if (JSVAL_IS_PRIMITIVE(*vp)) {
    return JS_TRUE;
  }

  JSObject *obj = JSVAL_TO_OBJECT(*vp);

  if (JS_ObjectIsFunction(cx, obj)) {
    return WrapFunction(cx, outerObj, obj, vp);
  }

  XPCWrappedNative *wn = nsnull;
  if (obj->getClass() == &XOWClass &&
      outerObj->getParent() != obj->getParent()) {
    *vp = OBJECT_TO_JSVAL(GetWrappedObject(cx, obj));
  } else if (!(wn = XPCWrappedNative::GetAndMorphWrappedNativeOfJSObject(cx, obj))) {
    return JS_TRUE;
  }

  return WrapObject(cx, JS_GetGlobalForObject(cx, outerObj), vp, wn);
}
bool
WindowNamedPropertiesHandler::getOwnPropDescriptor(JSContext* aCx,
                                                   JS::Handle<JSObject*> aProxy,
                                                   JS::Handle<jsid> aId,
                                                   bool /* unused */,
                                                   JS::MutableHandle<JSPropertyDescriptor> aDesc)
                                                   const
{
  if (!JSID_IS_STRING(aId)) {
    // Nothing to do if we're resolving a non-string property.
    return true;
  }

  JS::Rooted<JSObject*> global(aCx, JS_GetGlobalForObject(aCx, aProxy));
  if (HasPropertyOnPrototype(aCx, aProxy, aId)) {
    return true;
  }

  nsAutoJSString str;
  if (!str.init(aCx, JSID_TO_STRING(aId))) {
    return false;
  }

  // Grab the DOM window.
  nsGlobalWindow* win = GetWindowFromGlobal(global);
  if (win->Length() > 0) {
    nsCOMPtr<nsIDOMWindow> childWin = win->GetChildWindow(str);
    if (childWin && ShouldExposeChildWindow(str, childWin)) {
      // We found a subframe of the right name. Shadowing via |var foo| in
      // global scope is still allowed, since |var| only looks up |own|
      // properties. But unqualified shadowing will fail, per-spec.
      JS::Rooted<JS::Value> v(aCx);
      if (!WrapObject(aCx, childWin, &v)) {
        return false;
      }
      aDesc.object().set(aProxy);
      aDesc.value().set(v);
      aDesc.setAttributes(JSPROP_ENUMERATE);
      return true;
    }
  }

  // The rest of this function is for HTML documents only.
  nsCOMPtr<nsIHTMLDocument> htmlDoc = do_QueryInterface(win->GetExtantDoc());
  if (!htmlDoc) {
    return true;
  }
  nsHTMLDocument* document = static_cast<nsHTMLDocument*>(htmlDoc.get());

  Element* element = document->GetElementById(str);
  if (element) {
    JS::Rooted<JS::Value> v(aCx);
    if (!WrapObject(aCx, element, &v)) {
      return false;
    }
    aDesc.object().set(aProxy);
    aDesc.value().set(v);
    aDesc.setAttributes(JSPROP_ENUMERATE);
    return true;
  }

  nsWrapperCache* cache;
  nsISupports* result = document->ResolveName(str, &cache);
  if (!result) {
    return true;
  }

  JS::Rooted<JS::Value> v(aCx);
  if (!WrapObject(aCx, result, cache, nullptr, &v)) {
    return false;
  }
  aDesc.object().set(aProxy);
  aDesc.value().set(v);
  aDesc.setAttributes(JSPROP_ENUMERATE);
  return true;
}
ClassOfIrrMaterialClass::ClassOfIrrMaterialClass(class ClassOfSRPInterface *In_SRPInterface,void *SRPObject)
{
    if( In_SRPInterface == NULL )
        return;
    WrapObject(In_SRPInterface,VS_FALSE,VS_FALSE,SRPObject);
}
ClassOfIrrMaterialClass::ClassOfIrrMaterialClass(class ClassOfSRPInterface *In_SRPInterface)
{
    if( In_SRPInterface == NULL )
        return;
    WrapObject(In_SRPInterface,VS_TRUE,VS_FALSE,In_SRPInterface -> MallocObjectL(&VSOBJID_IrrMaterialClass,0,NULL));
}
ClassOfIrrCameraSceneNodeClass::ClassOfIrrCameraSceneNodeClass(class ClassOfSRPInterface *In_SRPInterface,void *SRPObject)
{
    if( In_SRPInterface == NULL )
        return;
    WrapObject(In_SRPInterface,VS_FALSE,VS_FALSE,SRPObject);
}
ClassOfIrrAnimatedMeshSceneNodeClass::ClassOfIrrAnimatedMeshSceneNodeClass(class ClassOfSRPInterface *In_SRPInterface)
{
    if( In_SRPInterface == NULL )
        return;
    WrapObject(In_SRPInterface,VS_TRUE,VS_FALSE,In_SRPInterface -> MallocObjectL(&VSOBJID_IrrAnimatedMeshSceneNodeClass,0,NULL));
}