JSBool
xpc_qsVariantToJsval(XPCLazyCallContext &lccx,
nsIVariant *p,
jsval *rval)
{
// From the T_INTERFACE case in XPCConvert::NativeData2JS.
// Error handling is in XPCWrappedNative::CallMethod.
if(p)
{
nsresult rv;
JSBool ok = XPCVariant::VariantDataToJS(lccx, p,
lccx.GetCurrentJSObject(),
&rv, rval);
if (!ok)
xpc_qsThrow(lccx.GetJSContext(), rv);
return ok;
}
*rval = JSVAL_NULL;
return JS_TRUE;
}
JSBool
xpc_qsXPCOMObjectToJsval(XPCLazyCallContext &lccx, nsISupports *p,
nsWrapperCache *cache, const nsIID *iid,
XPCNativeInterface **iface, jsval *rval)
{
// From the T_INTERFACE case in XPCConvert::NativeData2JS.
// This is one of the slowest things quick stubs do.
JSContext *cx = lccx.GetJSContext();
if(!iface)
return xpc_qsThrow(cx, NS_ERROR_XPC_BAD_CONVERT_NATIVE);
// XXX The OBJ_IS_NOT_GLOBAL here is not really right. In
// fact, this code is depending on the fact that the
// global object will not have been collected, and
// therefore this NativeInterface2JSObject will not end up
// creating a new XPCNativeScriptableShared.
nsresult rv;
if(!XPCConvert::NativeInterface2JSObject(lccx, rval, nsnull, p,
iid, iface, cache,
lccx.GetCurrentJSObject(), PR_TRUE,
OBJ_IS_NOT_GLOBAL, &rv))
{
// I can't tell if NativeInterface2JSObject throws JS exceptions
// or not. This is a sloppy stab at the right semantics; the
// method really ought to be fixed to behave consistently.
if(!JS_IsExceptionPending(cx))
xpc_qsThrow(cx, NS_FAILED(rv) ? rv : NS_ERROR_UNEXPECTED);
return JS_FALSE;
}
#ifdef DEBUG
JSObject* jsobj = JSVAL_TO_OBJECT(*rval);
if(jsobj && !STOBJ_GET_PARENT(jsobj))
NS_ASSERTION(STOBJ_GET_CLASS(jsobj)->flags & JSCLASS_IS_GLOBAL,
"Why did we recreate this wrapper?");
#endif
return JS_TRUE;
}