already_AddRefed<Promise>
WorkerDataStore::Remove(JSContext* aCx,
const StringOrUnsignedLong& aId,
const nsAString& aRevisionId,
ErrorResult& aRv)
{
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
RefPtr<Promise> promise = Promise::Create(workerPrivate->GlobalScope(), aRv);
if (aRv.Failed()) {
return nullptr;
}
RefPtr<DataStoreRemoveRunnable> runnable =
new DataStoreRemoveRunnable(workerPrivate,
mBackingStore,
promise,
aId,
aRevisionId);
runnable->Dispatch(aRv);
if (aRv.Failed()) {
return nullptr;
}
if (runnable->Failed()) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
return promise.forget();
}
already_AddRefed<Promise>
WorkerDataStore::GetLength(JSContext* aCx, ErrorResult& aRv)
{
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
RefPtr<Promise> promise = Promise::Create(workerPrivate->GlobalScope(), aRv);
if (aRv.Failed()) {
return nullptr;
}
RefPtr<DataStoreGetLengthRunnable> runnable =
new DataStoreGetLengthRunnable(workerPrivate,
mBackingStore,
promise);
runnable->Dispatch(aRv);
if (aRv.Failed()) {
return nullptr;
}
if (runnable->Failed()) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
return promise.forget();
}
already_AddRefed<Promise>
WorkerDataStore::Add(JSContext* aCx,
JS::Handle<JS::Value> aObj,
const Optional<StringOrUnsignedLong>& aId,
const nsAString& aRevisionId,
ErrorResult& aRv)
{
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
nsRefPtr<Promise> promise = Promise::Create(workerPrivate->GlobalScope(), aRv);
if (aRv.Failed()) {
return nullptr;
}
nsRefPtr<DataStoreAddRunnable> runnable =
new DataStoreAddRunnable(workerPrivate,
mBackingStore,
promise,
aCx,
aObj,
aId,
aRevisionId,
aRv);
runnable->Dispatch(aCx);
return promise.forget();
}
already_AddRefed<Promise>
ServiceWorkerWindowClient::Focus(ErrorResult& aRv) const
{
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetParentObject());
MOZ_ASSERT(global);
RefPtr<Promise> promise = Promise::Create(global, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
if (workerPrivate->GlobalScope()->WindowInteractionAllowed()) {
RefPtr<PromiseWorkerProxy> promiseProxy =
PromiseWorkerProxy::Create(workerPrivate, promise);
if (promiseProxy) {
RefPtr<ClientFocusRunnable> r = new ClientFocusRunnable(mWindowId,
promiseProxy);
MOZ_ALWAYS_SUCCEEDS(NS_DispatchToMainThread(r));
} else {
promise->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
}
} else {
promise->MaybeReject(NS_ERROR_DOM_INVALID_STATE_ERR);
}
return promise.forget();
}
already_AddRefed<Promise>
PushManager::PerformSubscriptionActionFromWorker(
SubscriptionAction aAction, ErrorResult& aRv)
{
WorkerPrivate* worker = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(worker);
worker->AssertIsOnWorkerThread();
nsCOMPtr<nsIGlobalObject> global = worker->GlobalScope();
RefPtr<Promise> p = Promise::Create(global, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
RefPtr<PromiseWorkerProxy> proxy = PromiseWorkerProxy::Create(worker, p);
if (!proxy) {
p->MaybeReject(NS_ERROR_DOM_PUSH_ABORT_ERR);
return p.forget();
}
RefPtr<GetSubscriptionRunnable> r =
new GetSubscriptionRunnable(proxy, mScope, aAction);
MOZ_ALWAYS_SUCCEEDS(NS_DispatchToMainThread(r));
return p.forget();
}
already_AddRefed<Promise>
PushSubscription::UnsubscribeFromWorker(ErrorResult& aRv)
{
WorkerPrivate* worker = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(worker);
worker->AssertIsOnWorkerThread();
nsCOMPtr<nsIGlobalObject> global = worker->GlobalScope();
RefPtr<Promise> p = Promise::Create(global, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
RefPtr<PromiseWorkerProxy> proxy = PromiseWorkerProxy::Create(worker, p);
if (!proxy) {
p->MaybeReject(NS_ERROR_DOM_PUSH_SERVICE_UNREACHABLE);
return p.forget();
}
RefPtr<UnsubscribeRunnable> r =
new UnsubscribeRunnable(proxy, mScope);
MOZ_ALWAYS_SUCCEEDS(NS_DispatchToMainThread(r));
return p.forget();
}
already_AddRefed<Promise>
PushManager::PermissionState(ErrorResult& aRv)
{
if (mImpl) {
MOZ_ASSERT(NS_IsMainThread());
return mImpl->PermissionState(aRv);
}
WorkerPrivate* worker = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(worker);
worker->AssertIsOnWorkerThread();
nsCOMPtr<nsIGlobalObject> global = worker->GlobalScope();
RefPtr<Promise> p = Promise::Create(global, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
RefPtr<PromiseWorkerProxy> proxy = PromiseWorkerProxy::Create(worker, p);
if (!proxy) {
p->MaybeReject(worker->GetJSContext(), JS::UndefinedHandleValue);
return p.forget();
}
RefPtr<PermissionStateRunnable> r =
new PermissionStateRunnable(proxy);
NS_DispatchToMainThread(r);
return p.forget();
}
static JSObject*
GetDataStoresStructuredCloneCallbacksRead(JSContext* aCx,
JSStructuredCloneReader* aReader,
uint32_t aTag,
uint32_t aData,
void* aClosure)
{
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
if (aTag != WORKER_DATA_STORES_TAG) {
MOZ_ASSERT(false, "aTag must be WORKER_DATA_STORES_TAG!");
return nullptr;
}
NS_ASSERTION(!aData, "aData should be empty");
// Read the holder from the buffer, which points to the data store.
nsMainThreadPtrHolder<DataStore>* dataStoreholder;
if (!JS_ReadBytes(aReader, &dataStoreholder, sizeof(dataStoreholder))) {
MOZ_ASSERT(false, "cannot read bytes for dataStoreholder!");
return nullptr;
}
// Protect workerStoreObj from moving GC during ~nsRefPtr.
JS::Rooted<JSObject*> workerStoreObj(aCx, nullptr);
{
nsRefPtr<WorkerDataStore> workerStore =
new WorkerDataStore(workerPrivate->GlobalScope());
nsMainThreadPtrHandle<DataStore> backingStore(dataStoreholder);
// When we're on the worker thread, prepare a DataStoreChangeEventProxy.
nsRefPtr<DataStoreChangeEventProxy> eventProxy =
new DataStoreChangeEventProxy(workerPrivate, workerStore);
// Add the DataStoreChangeEventProxy as an event listener on the main thread.
nsRefPtr<DataStoreAddEventListenerRunnable> runnable =
new DataStoreAddEventListenerRunnable(workerPrivate,
backingStore,
eventProxy);
runnable->Dispatch(aCx);
// Point WorkerDataStore to DataStore.
workerStore->SetBackingDataStore(backingStore);
JS::Rooted<JSObject*> global(aCx, JS::CurrentGlobalOrNull(aCx));
if (!global) {
MOZ_ASSERT(false, "cannot get global!");
} else {
workerStoreObj = workerStore->WrapObject(aCx);
if (!JS_WrapObject(aCx, &workerStoreObj)) {
MOZ_ASSERT(false, "cannot wrap object for workerStoreObj!");
workerStoreObj = nullptr;
}
}
}
return workerStoreObj;
}
already_AddRefed<WorkerDataStore>
WorkerDataStore::Constructor(GlobalObject& aGlobal, ErrorResult& aRv)
{
JSContext* cx = aGlobal.GetContext();
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(cx);
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
nsRefPtr<WorkerDataStore> store =
new WorkerDataStore(workerPrivate->GlobalScope());
return store.forget();
}
already_AddRefed<Promise>
WorkerNavigator::GetDataStores(JSContext* aCx,
const nsAString& aName,
const nsAString& aOwner,
ErrorResult& aRv)
{
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
nsRefPtr<Promise> promise = Promise::Create(workerPrivate->GlobalScope(), aRv);
if (aRv.Failed()) {
return nullptr;
}
nsRefPtr<NavigatorGetDataStoresRunnable> runnable =
new NavigatorGetDataStoresRunnable(workerPrivate, promise, aName, aOwner, aRv);
runnable->Dispatch(aCx);
return promise.forget();
}
already_AddRefed<Promise>
WorkerDataStore::Put(JSContext* aCx,
JS::Handle<JS::Value> aObj,
const StringOrUnsignedLong& aId,
const nsAString& aRevisionId,
ErrorResult& aRv)
{
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
RefPtr<Promise> promise = Promise::Create(workerPrivate->GlobalScope(), aRv);
if (aRv.Failed()) {
return nullptr;
}
RefPtr<DataStorePutRunnable> runnable =
new DataStorePutRunnable(workerPrivate,
mBackingStore,
promise,
aId,
aRevisionId);
runnable->Write(aCx, aObj, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
runnable->Dispatch(aRv);
if (aRv.Failed()) {
return nullptr;
}
if (NS_FAILED(runnable->ErrorCode())) {
aRv.Throw(runnable->ErrorCode());
return nullptr;
}
return promise.forget();
}
already_AddRefed<Promise>
WorkerDataStore::Get(JSContext* aCx,
const Sequence<OwningStringOrUnsignedLong>& aId,
ErrorResult& aRv)
{
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
RefPtr<Promise> promise = Promise::Create(workerPrivate->GlobalScope(), aRv);
if (aRv.Failed()) {
return nullptr;
}
RefPtr<DataStoreGetRunnable> runnable =
new DataStoreGetRunnable(workerPrivate,
mBackingStore,
promise);
if (!runnable->Id().AppendElements(aId, fallible)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
runnable->Dispatch(aRv);
if (aRv.Failed()) {
return nullptr;
}
if (runnable->Failed()) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
return promise.forget();
}
already_AddRefed<Promise>
WorkerDataStore::Clear(JSContext* aCx,
const nsAString& aRevisionId,
ErrorResult& aRv)
{
WorkerPrivate* workerPrivate = GetWorkerPrivateFromContext(aCx);
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
nsRefPtr<Promise> promise = Promise::Create(workerPrivate->GlobalScope(), aRv);
if (aRv.Failed()) {
return nullptr;
}
nsRefPtr<DataStoreClearRunnable> runnable =
new DataStoreClearRunnable(workerPrivate,
mBackingStore,
promise,
aRevisionId,
aRv);
runnable->Dispatch(aCx);
return promise.forget();
}
bool
BroadcastChannelChild::RecvNotify(const ClonedMessageData& aData)
{
// Make sure to retrieve all blobs from the message before returning to avoid
// leaking their actors.
nsTArray<nsRefPtr<BlobImpl>> blobs;
if (!aData.blobsChild().IsEmpty()) {
blobs.SetCapacity(aData.blobsChild().Length());
for (uint32_t i = 0, len = aData.blobsChild().Length(); i < len; ++i) {
nsRefPtr<BlobImpl> impl =
static_cast<BlobChild*>(aData.blobsChild()[i])->GetBlobImpl();
blobs.AppendElement(impl);
}
}
nsCOMPtr<DOMEventTargetHelper> helper = mBC;
nsCOMPtr<EventTarget> eventTarget = do_QueryInterface(helper);
// This object has been already closed by content or is going to be deleted
// soon. No notify is required.
if (!eventTarget || mBC->IsClosed()) {
return true;
}
// CheckInnerWindowCorrectness can be used also without a window when
// BroadcastChannel is running in a worker. In this case, it's a NOP.
if (NS_FAILED(mBC->CheckInnerWindowCorrectness())) {
return true;
}
AutoJSAPI jsapi;
nsCOMPtr<nsIGlobalObject> globalObject;
if (NS_IsMainThread()) {
globalObject = do_QueryInterface(mBC->GetParentObject());
} else {
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(workerPrivate);
globalObject = workerPrivate->GlobalScope();
}
if (!globalObject || !jsapi.Init(globalObject)) {
NS_WARNING("Failed to initialize AutoJSAPI object.");
return true;
}
JSContext* cx = jsapi.cx();
const SerializedStructuredCloneBuffer& buffer = aData.data();
StructuredCloneHelper cloneHelper(StructuredCloneHelper::CloningSupported,
StructuredCloneHelper::TransferringNotSupported,
StructuredCloneHelper::DifferentProcess);
cloneHelper.BlobImpls().AppendElements(blobs);
JS::Rooted<JS::Value> value(cx, JS::NullValue());
if (buffer.dataLength) {
ErrorResult rv;
cloneHelper.ReadFromBuffer(mBC->GetParentObject(), cx,
buffer.data, buffer.dataLength, &value, rv);
if (NS_WARN_IF(rv.Failed())) {
return true;
}
}
RootedDictionary<MessageEventInit> init(cx);
init.mBubbles = false;
init.mCancelable = false;
init.mOrigin.Construct(mOrigin);
init.mData = value;
ErrorResult rv;
nsRefPtr<MessageEvent> event =
MessageEvent::Constructor(mBC, NS_LITERAL_STRING("message"), init, rv);
if (rv.Failed()) {
NS_WARNING("Failed to create a MessageEvent object.");
return true;
}
event->SetTrusted(true);
bool status;
mBC->DispatchEvent(static_cast<Event*>(event.get()), &status);
return true;
}
// static
nsresult
IndexedDatabaseManager::CommonPostHandleEvent(EventChainPostVisitor& aVisitor,
IDBFactory* aFactory)
{
MOZ_ASSERT(aVisitor.mDOMEvent);
MOZ_ASSERT(aFactory);
if (aVisitor.mEventStatus == nsEventStatus_eConsumeNoDefault) {
return NS_OK;
}
Event* internalEvent = aVisitor.mDOMEvent->InternalDOMEvent();
MOZ_ASSERT(internalEvent);
if (!internalEvent->IsTrusted()) {
return NS_OK;
}
nsString type;
MOZ_ALWAYS_SUCCEEDS(internalEvent->GetType(type));
MOZ_ASSERT(nsDependentString(kErrorEventType).EqualsLiteral("error"));
if (!type.EqualsLiteral("error")) {
return NS_OK;
}
nsCOMPtr<EventTarget> eventTarget = internalEvent->GetTarget();
MOZ_ASSERT(eventTarget);
// Only mess with events that were originally targeted to an IDBRequest.
RefPtr<IDBRequest> request;
if (NS_FAILED(eventTarget->QueryInterface(kIDBRequestIID,
getter_AddRefs(request))) ||
!request) {
return NS_OK;
}
RefPtr<DOMError> error = request->GetErrorAfterResult();
nsString errorName;
if (error) {
error->GetName(errorName);
}
RootedDictionary<ErrorEventInit> init(nsContentUtils::RootingCxForThread());
request->GetCallerLocation(init.mFilename, &init.mLineno, &init.mColno);
init.mMessage = errorName;
init.mCancelable = true;
init.mBubbles = true;
nsEventStatus status = nsEventStatus_eIgnore;
if (NS_IsMainThread()) {
nsCOMPtr<nsIDOMWindow> window = do_QueryInterface(eventTarget->GetOwnerGlobal());
if (window) {
nsCOMPtr<nsIScriptGlobalObject> sgo = do_QueryInterface(window);
MOZ_ASSERT(sgo);
if (NS_WARN_IF(NS_FAILED(sgo->HandleScriptError(init, &status)))) {
status = nsEventStatus_eIgnore;
}
} else {
// We don't fire error events at any global for non-window JS on the main
// thread.
}
} else {
// Not on the main thread, must be in a worker.
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(workerPrivate);
RefPtr<WorkerGlobalScope> globalScope = workerPrivate->GlobalScope();
MOZ_ASSERT(globalScope);
RefPtr<ErrorEvent> errorEvent =
ErrorEvent::Constructor(globalScope,
nsDependentString(kErrorEventType),
init);
MOZ_ASSERT(errorEvent);
errorEvent->SetTrusted(true);
auto* target = static_cast<EventTarget*>(globalScope.get());
if (NS_WARN_IF(NS_FAILED(
EventDispatcher::DispatchDOMEvent(target,
/* aWidgetEvent */ nullptr,
errorEvent,
/* aPresContext */ nullptr,
&status)))) {
status = nsEventStatus_eIgnore;
}
}
if (status == nsEventStatus_eConsumeNoDefault) {
return NS_OK;
}
// Log the error to the error console.
ScriptErrorHelper::Dump(errorName,
init.mFilename,
init.mLineno,
init.mColno,
nsIScriptError::errorFlag,
aFactory->IsChrome(),
aFactory->InnerWindowID());
return NS_OK;
}
