void
WebGLContext::GetParameterIndexed(JSContext* cx, GLenum pname, GLuint index,
JS::MutableHandle<JS::Value> retval)
{
if (IsContextLost()) {
retval.setNull();
return;
}
MakeContextCurrent();
switch (pname) {
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_BINDING:
{
if (index >= mGLMaxTransformFeedbackSeparateAttribs) {
ErrorInvalidValue("getParameterIndexed: index should be less than MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS", index);
retval.setNull();
return;
}
retval.setNull(); // See bug 903594
return;
}
default:
break;
}
ErrorInvalidEnumInfo("getParameterIndexed: parameter", pname);
retval.setNull();
}
bool
EventListenerInfo::GetJSVal(JSContext* aCx,
Maybe<JSAutoCompartment>& aAc,
JS::MutableHandle<JS::Value> aJSVal)
{
aJSVal.setNull();
nsCOMPtr<nsIXPConnectWrappedJS> wrappedJS = do_QueryInterface(mListener);
if (wrappedJS) {
JS::Rooted<JSObject*> object(aCx, wrappedJS->GetJSObject());
if (!object) {
return false;
}
aAc.emplace(aCx, object);
aJSVal.setObject(*object);
return true;
}
nsCOMPtr<JSEventHandler> jsHandler = do_QueryInterface(mListener);
if (jsHandler && jsHandler->GetTypedEventHandler().HasEventHandler()) {
JS::Handle<JSObject*> handler =
jsHandler->GetTypedEventHandler().Ptr()->CallableOrNull();
if (handler) {
aAc.emplace(aCx, handler);
aJSVal.setObject(*handler);
return true;
}
}
return false;
}
void
DataTransfer::MozGetDataAt(JSContext* aCx, const nsAString& aFormat,
uint32_t aIndex,
JS::MutableHandle<JS::Value> aRetval,
nsIPrincipal& aSubjectPrincipal,
mozilla::ErrorResult& aRv)
{
nsCOMPtr<nsIVariant> data;
aRv = GetDataAtInternal(aFormat, aIndex, &aSubjectPrincipal,
getter_AddRefs(data));
if (aRv.Failed()) {
return;
}
if (!data) {
aRetval.setNull();
return;
}
JS::Rooted<JS::Value> result(aCx);
if (!VariantToJsval(aCx, data, aRetval)) {
aRv = NS_ERROR_FAILURE;
return;
}
}
NS_IMETHODIMP nsScriptableRegion::GetRects(JSContext* aCx, JS::MutableHandle<JS::Value> aRects)
{
uint32_t numRects = mRegion.GetNumRects();
if (!numRects) {
aRects.setNull();
return NS_OK;
}
JS::Rooted<JSObject*> destArray(aCx, JS_NewArrayObject(aCx, numRects * 4));
if (!destArray) {
return NS_ERROR_OUT_OF_MEMORY;
}
aRects.setObject(*destArray);
uint32_t n = 0;
nsIntRegionRectIterator iter(mRegion);
const nsIntRect *rect;
while ((rect = iter.Next())) {
if (!JS_DefineElement(aCx, destArray, n, rect->x, JSPROP_ENUMERATE) ||
!JS_DefineElement(aCx, destArray, n + 1, rect->y, JSPROP_ENUMERATE) ||
!JS_DefineElement(aCx, destArray, n + 2, rect->width, JSPROP_ENUMERATE) ||
!JS_DefineElement(aCx, destArray, n + 3, rect->height, JSPROP_ENUMERATE)) {
return NS_ERROR_FAILURE;
}
n += 4;
}
return NS_OK;
}
void
CustomEvent::GetDetail(JSContext* aCx,
JS::MutableHandle<JS::Value> aRetval)
{
if (!mDetail) {
aRetval.setNull();
return;
}
VariantToJsval(aCx, mDetail, aRetval);
}
NS_IMETHODIMP
SmsFilter::GetThreadId(JSContext* aCx, JS::MutableHandle<JS::Value> aThreadId)
{
if (!mData.threadId()) {
aThreadId.setNull();
return NS_OK;
}
aThreadId.setNumber(static_cast<double>(mData.threadId()));
return NS_OK;
}
NS_IMETHODIMP
SmsFilter::GetRead(JSContext* aCx, JS::MutableHandle<JS::Value> aRead)
{
if (mData.read() == eReadState_Unknown) {
aRead.setNull();
return NS_OK;
}
aRead.setBoolean(mData.read());
return NS_OK;
}
void BrowsingContext::GetOpener(JSContext* aCx,
JS::MutableHandle<JS::Value> aOpener,
ErrorResult& aError) const {
RefPtr<BrowsingContext> opener = GetOpener();
if (!opener) {
aOpener.setNull();
return;
}
if (!ToJSValue(aCx, WindowProxyHolder(opener), aOpener)) {
aError.NoteJSContextException(aCx);
}
}
bool
EventListenerInfo::GetJSVal(JSContext* aCx,
Maybe<JSAutoRealm>& aAr,
JS::MutableHandle<JS::Value> aJSVal)
{
if (mScriptedListener) {
aJSVal.setObject(*mScriptedListener);
aAr.emplace(aCx, mScriptedListener);
return true;
}
aJSVal.setNull();
return false;
}
NS_IMETHODIMP
MmsMessage::GetDeliveryInfo(JSContext* aCx, JS::MutableHandle<JS::Value> aDeliveryInfo)
{
// TODO Bug 850525 It'd be better to depend on the delivery of MmsMessage
// to return a more correct value. Ex, if .delivery = 'received', we should
// also make .deliveryInfo = null, since the .deliveryInfo is useless.
uint32_t length = mDeliveryInfo.Length();
if (length == 0) {
aDeliveryInfo.setNull();
return NS_OK;
}
if (!ToJSValue(aCx, mDeliveryInfo, aDeliveryInfo)) {
return NS_ERROR_OUT_OF_MEMORY;
}
return NS_OK;
}
nsresult
KeyPath::ToJSVal(JSContext* aCx, JS::MutableHandle<JS::Value> aValue) const
{
if (IsArray()) {
uint32_t len = mStrings.Length();
JS::Rooted<JSObject*> array(aCx, JS_NewArrayObject(aCx, len));
if (!array) {
IDB_WARNING("Failed to make array!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
for (uint32_t i = 0; i < len; ++i) {
JS::Rooted<JS::Value> val(aCx);
nsString tmp(mStrings[i]);
if (!xpc::StringToJsval(aCx, tmp, &val)) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (!JS_SetElement(aCx, array, i, val)) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
}
aValue.setObject(*array);
return NS_OK;
}
if (IsString()) {
nsString tmp(mStrings[0]);
if (!xpc::StringToJsval(aCx, tmp, aValue)) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
return NS_OK;
}
aValue.setNull();
return NS_OK;
}
void
nsHistory::GetState(JSContext* aCx, JS::MutableHandle<JS::Value> aResult,
ErrorResult& aRv) const
{
nsCOMPtr<nsPIDOMWindow> win(do_QueryReferent(mInnerWindow));
if (!win) {
aRv.Throw(NS_ERROR_NOT_AVAILABLE);
return;
}
if (!win->HasActiveDocument()) {
aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
return;
}
nsCOMPtr<nsIDocument> doc =
do_QueryInterface(win->GetExtantDoc());
if (!doc) {
aRv.Throw(NS_ERROR_NOT_AVAILABLE);
return;
}
nsCOMPtr<nsIVariant> variant;
doc->GetStateObject(getter_AddRefs(variant));
if (variant) {
aRv = variant->GetAsJSVal(aResult);
if (aRv.Failed()) {
return;
}
if (!JS_WrapValue(aCx, aResult)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
}
return;
}
aResult.setNull();
}
NS_IMETHODIMP
PlaceInfo::GetVisits(JSContext* aContext,
JS::MutableHandle<JS::Value> _visits)
{
// If the visits data was not provided, return null rather
// than an empty array to distinguish this case from the case
// of a place without any visit.
if (!mVisitsAvailable) {
_visits.setNull();
return NS_OK;
}
// TODO bug 625913 when we use this in situations that have more than one
// visit here, we will likely want to make this cache the value.
JS::Rooted<JSObject*> visits(aContext,
JS_NewArrayObject(aContext, 0));
NS_ENSURE_TRUE(visits, NS_ERROR_OUT_OF_MEMORY);
JS::Rooted<JSObject*> global(aContext, JS::CurrentGlobalOrNull(aContext));
NS_ENSURE_TRUE(global, NS_ERROR_UNEXPECTED);
nsCOMPtr<nsIXPConnect> xpc = mozilla::services::GetXPConnect();
for (VisitsArray::size_type idx = 0; idx < mVisits.Length(); idx++) {
nsCOMPtr<nsIXPConnectJSObjectHolder> wrapper;
nsresult rv = xpc->WrapNative(aContext, global, mVisits[idx],
NS_GET_IID(mozIVisitInfo),
getter_AddRefs(wrapper));
NS_ENSURE_SUCCESS(rv, rv);
JS::Rooted<JSObject*> jsobj(aContext, wrapper->GetJSObject());
NS_ENSURE_STATE(jsobj);
bool rc = JS_SetElement(aContext, visits, idx, jsobj);
NS_ENSURE_TRUE(rc, NS_ERROR_UNEXPECTED);
}
_visits.setObject(*visits);
return NS_OK;
}
