bool TestTransferObject()
{
JS::RootedObject obj1(cx, CreateNewObject(8, 12));
CHECK(obj1);
JS::RootedValue v1(cx, JS::ObjectValue(*obj1));
// Create an Array of transferable values.
JS::AutoValueVector argv(cx);
if (!argv.append(v1))
return false;
JS::RootedObject obj(cx, JS_NewArrayObject(cx, JS::HandleValueArray::subarray(argv, 0, 1)));
CHECK(obj);
JS::RootedValue transferable(cx, JS::ObjectValue(*obj));
JSAutoStructuredCloneBuffer cloned_buffer(JS::StructuredCloneScope::SameProcessSameThread, nullptr, nullptr);
CHECK(cloned_buffer.write(cx, v1, transferable, nullptr, nullptr));
JS::RootedValue v2(cx);
CHECK(cloned_buffer.read(cx, &v2, nullptr, nullptr));
JS::RootedObject obj2(cx, v2.toObjectOrNull());
CHECK(VerifyObject(obj2, 8, 12, true));
CHECK(JS_IsDetachedArrayBufferObject(obj1));
return true;
}
void Worker::PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
const Sequence<JSObject*>& aTransferable,
ErrorResult& aRv) {
NS_ASSERT_OWNINGTHREAD(Worker);
if (!mWorkerPrivate || mWorkerPrivate->ParentStatusProtected() > Running) {
return;
}
JS::Rooted<JS::Value> transferable(aCx, JS::UndefinedValue());
aRv = nsContentUtils::CreateJSValueFromSequenceOfObject(aCx, aTransferable,
&transferable);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
RefPtr<MessageEventRunnable> runnable = new MessageEventRunnable(
mWorkerPrivate, WorkerRunnable::WorkerThreadModifyBusyCount);
UniquePtr<AbstractTimelineMarker> start;
UniquePtr<AbstractTimelineMarker> end;
RefPtr<TimelineConsumers> timelines = TimelineConsumers::Get();
bool isTimelineRecording = timelines && !timelines->IsEmpty();
if (isTimelineRecording) {
start = MakeUnique<WorkerTimelineMarker>(
NS_IsMainThread()
? ProfileTimelineWorkerOperationType::SerializeDataOnMainThread
: ProfileTimelineWorkerOperationType::SerializeDataOffMainThread,
MarkerTracingType::START);
}
runnable->Write(aCx, aMessage, transferable, JS::CloneDataPolicy(), aRv);
if (isTimelineRecording) {
end = MakeUnique<WorkerTimelineMarker>(
NS_IsMainThread()
? ProfileTimelineWorkerOperationType::SerializeDataOnMainThread
: ProfileTimelineWorkerOperationType::SerializeDataOffMainThread,
MarkerTracingType::END);
timelines->AddMarkerForAllObservedDocShells(start);
timelines->AddMarkerForAllObservedDocShells(end);
}
if (NS_WARN_IF(aRv.Failed())) {
return;
}
if (!runnable->Dispatch()) {
aRv.Throw(NS_ERROR_FAILURE);
}
}
NS_IMETHODIMP
nsDragService::SetupDragSession(
nsISupportsArray *aTransferables,
PRUint32 aActionType)
{
PRUint32 itemCount = 0;
aTransferables->Count(&itemCount);
if (0 == itemCount)
{
qDebug("No items to drag?");
return NS_ERROR_FAILURE;
}
if (1 != itemCount)
{
qDebug("Dragging more than one item, cannot do (yet?)");
return NS_ERROR_NOT_IMPLEMENTED;
}
SetDropActionType(aActionType);
QMimeData *mimeData = new QMimeData;
nsCOMPtr<nsISupports> genericItem;
aTransferables->GetElementAt(0, getter_AddRefs(genericItem));
nsCOMPtr<nsITransferable> transferable(do_QueryInterface(genericItem));
if (transferable)
{
nsCOMPtr <nsISupportsArray> flavorList;
transferable->FlavorsTransferableCanExport(getter_AddRefs(flavorList));
if (flavorList)
{
PRUint32 flavorCount;
flavorList->Count( &flavorCount );
for (PRUint32 flavor=0; flavor < flavorCount; flavor++)
{
nsCOMPtr<nsISupports> genericWrapper;
flavorList->GetElementAt(flavor, getter_AddRefs(genericWrapper));
nsCOMPtr<nsISupportsCString> currentFlavor;
currentFlavor = do_QueryInterface(genericWrapper);
if (currentFlavor)
{
nsCOMPtr<nsISupports> data;
PRUint32 dataLen = 0;
nsXPIDLCString flavorStr;
currentFlavor->ToString(getter_Copies(flavorStr));
// Is it some flavor we think we could support?
if (!strcmp(kURLMime, flavorStr.get())
|| !strcmp(kURLDataMime, flavorStr.get())
|| !strcmp(kURLDescriptionMime, flavorStr.get())
|| !strcmp(kHTMLMime, flavorStr.get())
|| !strcmp(kUnicodeMime, flavorStr.get())
)
{
transferable->GetTransferData(flavorStr,getter_AddRefs(data),&dataLen);
nsCOMPtr<nsISupportsString> wideString;
wideString = do_QueryInterface(data);
if (!wideString)
{
return NS_ERROR_FAILURE;
}
nsAutoString utf16string;
wideString->GetData(utf16string);
QByteArray ba((const char*) utf16string.get(), dataLen);
mimeData->setData(flavorStr.get(), ba);
}
}
}
}
}
mDrag = new QDrag( mHiddenWidget ); // TODO: Better drag source here?
mDrag->setMimeData(mimeData);
// mDrag and mimeData SHOULD NOT be destroyed. They are destroyed by QT.
return NS_OK;
}
