JSBool
XPC_XOW_WrapObject(JSContext *cx, JSObject *parent, jsval *vp,
XPCWrappedNative* wn)
{
NS_ASSERTION(XPCPerThreadData::IsMainThread(cx),
"Can't do this off the main thread!");
// Our argument should be a wrapped native object, but the caller may have
// passed it in as an optimization.
JSObject *wrappedObj;
if (!JSVAL_IS_OBJECT(*vp) ||
!(wrappedObj = JSVAL_TO_OBJECT(*vp)) ||
STOBJ_GET_CLASS(wrappedObj) == &sXPC_XOW_JSClass.base) {
return JS_TRUE;
}
if (!wn &&
!(wn = XPCWrappedNative::GetAndMorphWrappedNativeOfJSObject(cx, wrappedObj))) {
return JS_TRUE;
}
XPCJSRuntime *rt = nsXPConnect::GetRuntimeInstance();
// The parent must be the inner global object for its scope.
parent = JS_GetGlobalForObject(cx, parent);
JSClass *clasp = STOBJ_GET_CLASS(parent);
if (clasp->flags & JSCLASS_IS_EXTENDED) {
JSExtendedClass *xclasp = reinterpret_cast<JSExtendedClass *>(clasp);
if (xclasp->innerObject) {
parent = xclasp->innerObject(cx, parent);
if (!parent) {
return JS_FALSE;
}
}
}
XPCWrappedNativeScope *parentScope =
XPCWrappedNativeScope::FindInJSObjectScope(cx, parent, nsnull, rt);
#ifdef DEBUG_mrbkap_off
printf("Wrapping object at %p (%s) [%p]\n",
(void *)wrappedObj, STOBJ_GET_CLASS(wrappedObj)->name,
(void *)parentScope);
#endif
JSObject *outerObj = nsnull;
WrappedNative2WrapperMap *map = parentScope->GetWrapperMap();
outerObj = map->Find(wrappedObj);
if (outerObj) {
NS_ASSERTION(STOBJ_GET_CLASS(outerObj) == &sXPC_XOW_JSClass.base,
"What crazy object are we getting here?");
#ifdef DEBUG_mrbkap_off
printf("But found a wrapper in the map %p!\n", (void *)outerObj);
#endif
*vp = OBJECT_TO_JSVAL(outerObj);
return JS_TRUE;
}
outerObj = JS_NewObjectWithGivenProto(cx, &sXPC_XOW_JSClass.base, nsnull,
parent);
if (!outerObj) {
return JS_FALSE;
}
if (!JS_SetReservedSlot(cx, outerObj, XPCWrapper::sWrappedObjSlot, *vp) ||
!JS_SetReservedSlot(cx, outerObj, XPCWrapper::sFlagsSlot,
JSVAL_ZERO) ||
!JS_SetReservedSlot(cx, outerObj, XPC_XOW_ScopeSlot,
PRIVATE_TO_JSVAL(parentScope))) {
return JS_FALSE;
}
*vp = OBJECT_TO_JSVAL(outerObj);
map->Add(wn->GetScope()->GetWrapperMap(), wrappedObj, outerObj);
return JS_TRUE;
}
