already_AddRefed<Promise>
AudioContext::Close(ErrorResult& aRv)
{
nsCOMPtr<nsIGlobalObject> parentObject = do_QueryInterface(GetParentObject());
nsRefPtr<Promise> promise;
promise = Promise::Create(parentObject, aRv);
if (aRv.Failed()) {
return nullptr;
}
if (mIsOffline) {
promise->MaybeReject(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return promise.forget();
}
if (mAudioContextState == AudioContextState::Closed) {
promise->MaybeResolve(NS_ERROR_DOM_INVALID_STATE_ERR);
return promise.forget();
}
mCloseCalled = true;
mPromiseGripArray.AppendElement(promise);
Graph()->ApplyAudioContextOperation(DestinationStream()->AsAudioNodeStream(),
AudioContextOperation::Close, promise);
MediaStream* ds = DestinationStream();
if (ds) {
ds->BlockStreamIfNeeded();
}
return promise.forget();
}
already_AddRefed<Promise>
AudioContext::Close(ErrorResult& aRv)
{
nsCOMPtr<nsIGlobalObject> parentObject = do_QueryInterface(GetParentObject());
nsRefPtr<Promise> promise;
promise = Promise::Create(parentObject, aRv);
if (aRv.Failed()) {
return nullptr;
}
if (mIsOffline) {
promise->MaybeReject(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return promise.forget();
}
if (mAudioContextState == AudioContextState::Closed) {
promise->MaybeResolve(NS_ERROR_DOM_INVALID_STATE_ERR);
return promise.forget();
}
mCloseCalled = true;
if (Destination()) {
Destination()->DestroyAudioChannelAgent();
}
mPromiseGripArray.AppendElement(promise);
// This can be called when freeing a document, and the streams are dead at
// this point, so we need extra null-checks.
MediaStream* ds = DestinationStream();
if (ds) {
Graph()->ApplyAudioContextOperation(ds->AsAudioNodeStream(),
AudioContextOperation::Close, promise);
if (ds) {
ds->BlockStreamIfNeeded();
}
}
return promise.forget();
}