static void
settings_update(JSContext *cx, js_setting_t *jss, jsval v)
{
jsval cb, *argv, result;
void *mark;
JS_SetProperty(cx, JSVAL_TO_OBJECT(jss->jss_obj), "value", &v);
JS_GetProperty(cx, JSVAL_TO_OBJECT(jss->jss_obj), "callback", &cb);
argv = JS_PushArguments(cx, &mark, "v", v);
JS_CallFunctionValue(cx, NULL, cb, 1, argv, &result);
JS_PopArguments(cx, mark);
}
/* JSCall function by name, cvalues will be converted
*
* deactivates controller if any script errors!
*
* format values:
* case 'b': BOOLEAN_TO_JSVAL((JSBool) va_arg(ap, int));
* case 'c': INT_TO_JSVAL((uint16) va_arg(ap, unsigned int));
* case 'i':
* case 'j': js_NewNumberValue(cx, (jsdouble) va_arg(ap, int32), sp)
* case 'u': js_NewNumberValue(cx, (jsdouble) va_arg(ap, uint32), sp)
* case 'd':
* case 'I': js_NewDoubleValue(cx, va_arg(ap, jsdouble), sp)
* case 's': JS_NewStringCopyZ(cx, va_arg(ap, char *))
* case 'W': JS_NewUCStringCopyZ(cx, va_arg(ap, jschar *))
* case 'S': va_arg(ap, JSString *)
* case 'o': OBJECT_TO_JSVAL(va_arg(ap, JSObject *)
* case 'f':
* fun = va_arg(ap, JSFunction *);
* fun ? OBJECT_TO_JSVAL(fun->object) : JSVAL_NULL;
* case 'v': va_arg(ap, jsval);
*/
bool ControllerListener::call(const char *funcname, int argc, const char *format, ...) {
va_list ap;
jsval fval = JSVAL_VOID;
jsval ret = JSVAL_VOID;
func("%s try calling method %s.%s(argc:%i)", __func__, name, funcname, argc);
JS_SetContextThread(jsContext);
JS_BeginRequest(jsContext);
int res = JS_GetProperty(jsContext, jsObject, funcname, &fval);
if(JSVAL_IS_VOID(fval)) {
warning("method unresolved by JS_GetProperty");
} else {
jsval *argv;
void *markp;
va_start(ap, format);
argv = JS_PushArgumentsVA(jsContext, &markp, format, ap);
va_end(ap);
res = JS_CallFunctionValue(jsContext, jsObject, fval, argc, argv, &ret);
JS_PopArguments(jsContext, &markp);
if (res) {
if(!JSVAL_IS_VOID(ret)) {
JSBool ok;
JS_ValueToBoolean(jsContext, ret, &ok);
if (ok) // JSfunc returned 'true', so event is done
{
JS_EndRequest(jsContext);
JS_ClearContextThread(jsContext);
return true;
}
}
}
}
JS_EndRequest(jsContext);
JS_ClearContextThread(jsContext);
return false; // no callback, redo on next controller
}
static void
TestArgFormatter(JSContext* jscontext, JSObject* glob, nsIXPConnect* xpc)
{
jsval* argv;
void* mark;
const char* a_in = "some string";
nsCOMPtr<nsITestXPCFoo> b_in = new nsTestXPCFoo();
nsCOMPtr<nsIWritableVariant> c_in = do_CreateInstance("@mozilla.org/variant;1");
static NS_NAMED_LITERAL_STRING(d_in, "foo bar");
const char* e_in = "another meaningless chunck of text";
char* a_out;
nsCOMPtr<nsISupports> b_out;
nsCOMPtr<nsIVariant> c_out;
nsAutoString d_out;
char* e_out;
nsCOMPtr<nsITestXPCFoo> specified;
PRInt32 val;
printf("ArgumentFormatter test: ");
if(!b_in || !c_in || NS_FAILED(c_in->SetAsInt32(5)))
{
printf(" failed to construct test objects -- FAILED!\n");
return;
}
argv = JS_PushArguments(jscontext, &mark, "s %ip %iv %is s",
a_in,
&NS_GET_IID(nsITestXPCFoo2), b_in.get(),
c_in.get(),
static_cast<const nsAString*>(&d_in),
e_in);
if(!argv)
{
printf(" could not convert from native to JS -- FAILED!\n");
return;
}
if(!JS_ConvertArguments(jscontext, 5, argv, "s %ip %iv %is s",
&a_out,
static_cast<nsISupports**>(getter_AddRefs(b_out)),
static_cast<nsIVariant**>(getter_AddRefs(c_out)),
static_cast<nsAString*>(&d_out),
&e_out))
{
printf(" could not convert from JS to native -- FAILED!\n");
goto out;
}
if(!b_out)
{
printf(" JS to native for %%ip returned NULL -- FAILED!\n");
goto out;
}
specified = do_QueryInterface(b_out);
if(!specified)
{
printf(" could not QI value JS to native returned -- FAILED!\n");
goto out;
}
if(specified.get() != b_in.get())
{
printf(" JS to native returned wrong value -- FAILED!\n");
goto out;
}
if(!c_out)
{
printf(" JS to native for %%iv returned NULL -- FAILED!\n");
goto out;
}
if(NS_FAILED(c_out->GetAsInt32(&val)) || val != 5)
{
printf(" JS to native for %%iv holds wrong value -- FAILED!\n");
goto out;
}
if(!d_in.Equals(d_out))
{
printf(" JS to native for %%is returned the wrong value -- FAILED!\n");
goto out;
}
if(!strcmp(a_in, a_out) && !strcmp(e_in, e_out))
printf("passed\n");
else
printf(" conversion OK, but surrounding was mangled -- FAILED!\n");
out:
JS_PopArguments(jscontext, mark);
}
