JSBool JavaObject::toString(JSContext* ctx, JSObject* obj, uintN argc,
jsval* argv, jsval* rval) {
SessionData* data = JavaObject::getSessionData(ctx, obj);
if (!data) {
*rval = JSVAL_VOID;
return JS_TRUE;
}
int oid = getObjectId(ctx, obj);
Debug::log(Debug::Spam) << "JavaObject::toString(id=" << oid << ")"
<< Debug::flush;
Value javaThis;
javaThis.setJavaObject(oid);
// we ignore any supplied parameters
return invokeJava(ctx, data, javaThis, InvokeMessage::TOSTRING_DISP_ID, 0,
NULL, rval);
}
/**
* Called when the JavaObject is invoked as a function.
* We ignore the JSObject* argument, which is the 'this' context, which is
* usually the window object. The JavaObject instance is in argv[-2].
*
* Returns a JS array, with the first element being a boolean indicating that
* an exception occured, and the second element is either the return value or
* the exception which was thrown. In this case, we always return false and
* raise the exception ourselves.
*/
JSBool JavaObject::call(JSContext* ctx, JSObject*, uintN argc, jsval* argv,
jsval* rval) {
// Get the JavaObject called as a function
JSObject* obj = JSVAL_TO_OBJECT(argv[-2]);
if (argc < 2 || !JSVAL_IS_INT(argv[0]) ||
#ifdef JSVAL_IS_OBJECT
!JSVAL_IS_OBJECT(argv[1])) {
#else
(JSVAL_IS_PRIMITIVE(argv[1]) && !JSVAL_IS_NULL(argv[1]))) {
#endif
Debug::log(Debug::Error) << "JavaObject::call incorrect arguments" << Debug::flush;
return JS_FALSE;
}
int dispId = JSVAL_TO_INT(argv[0]);
if (Debug::level(Debug::Spam)) {
Debug::DebugStream& dbg = Debug::log(Debug::Spam) << "JavaObject::call oid="
<< JavaObject::getObjectId(ctx, obj) << ",dispId=" << dispId << " (";
for (unsigned i = 2; i < argc; ++i) {
if (i > 2) {
dbg << ", ";
}
dbg << dumpJsVal(ctx, argv[i]);
}
dbg << ")" << Debug::flush;
}
SessionData* data = JavaObject::getSessionData(ctx, obj);
if (!data) {
*rval = JSVAL_VOID;
return JS_TRUE;
}
Debug::log(Debug::Spam) << "Data = " << data << Debug::flush;
gwt::Value javaThis;
if (!JSVAL_IS_NULL(argv[1])) {
JSObject* thisObj = JSVAL_TO_OBJECT(argv[1]);
if (isJavaObject(ctx, thisObj)) {
javaThis.setJavaObject(getObjectId(ctx, thisObj));
} else {
data->makeValueFromJsval(javaThis, ctx, argv[1]);
}
} else {
int oid = getObjectId(ctx, obj);
javaThis.setJavaObject(oid);
}
return invokeJava(ctx, data, javaThis, dispId, argc - 2, &argv[2], rval);
}