void
MediaRecorder::DispatchSimpleEvent(const nsAString & aStr)
{
NS_ABORT_IF_FALSE(NS_IsMainThread(), "Not running on main thread");
nsresult rv = CheckInnerWindowCorrectness();
if (NS_FAILED(rv)) {
return;
}
nsCOMPtr<nsIDOMEvent> event;
rv = NS_NewDOMEvent(getter_AddRefs(event), this, nullptr, nullptr);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to create the error event!!!");
return;
}
rv = event->InitEvent(aStr, false, false);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to init the error event!!!");
return;
}
event->SetTrusted(true);
rv = DispatchDOMEvent(nullptr, event, nullptr, nullptr);
if (NS_FAILED(rv)) {
NS_ERROR("Failed to dispatch the event!!!");
return;
}
}
void
MediaRecorder::NotifyError(nsresult aRv)
{
NS_ABORT_IF_FALSE(NS_IsMainThread(), "Not running on main thread");
nsresult rv = CheckInnerWindowCorrectness();
if (NS_FAILED(rv)) {
return;
}
nsString errorMsg;
switch (aRv) {
case NS_ERROR_DOM_SECURITY_ERR:
errorMsg = NS_LITERAL_STRING("SecurityError");
break;
case NS_ERROR_OUT_OF_MEMORY:
errorMsg = NS_LITERAL_STRING("OutOfMemoryError");
break;
default:
errorMsg = NS_LITERAL_STRING("GenericError");
}
nsCOMPtr<nsIDOMEvent> event;
rv = NS_NewDOMRecordErrorEvent(getter_AddRefs(event), this, nullptr, nullptr);
nsCOMPtr<nsIDOMRecordErrorEvent> errorEvent = do_QueryInterface(event);
rv = errorEvent->InitRecordErrorEvent(NS_LITERAL_STRING("error"),
false, false, errorMsg);
event->SetTrusted(true);
rv = DispatchDOMEvent(nullptr, event, nullptr, nullptr);
if (NS_FAILED(rv)) {
NS_ERROR("Failed to dispatch the error event!!!");
return;
}
return;
}
void
EventSource::FailConnection()
{
if (mReadyState == CLOSED) {
return;
}
nsresult rv = ConsoleError();
if (NS_FAILED(rv)) {
NS_WARNING("Failed to print to the console error");
}
// When a user agent is to fail the connection, the user agent must set the
// readyState attribute to CLOSED and queue a task to fire a simple event
// named error at the EventSource object.
Close(); // it sets mReadyState to CLOSED
rv = CheckInnerWindowCorrectness();
if (NS_FAILED(rv)) {
return;
}
RefPtr<Event> event = NS_NewDOMEvent(this, nullptr, nullptr);
// it doesn't bubble, and it isn't cancelable
event->InitEvent(NS_LITERAL_STRING("error"), false, false);
event->SetTrusted(true);
rv = DispatchDOMEvent(nullptr, event, nullptr, nullptr);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch the error event!!!");
return;
}
}
nsresult
MediaRecorder::CreateAndDispatchBlobEvent()
{
NS_ABORT_IF_FALSE(NS_IsMainThread(), "Not running on main thread");
if (!CheckPrincipal()) {
// Media is not same-origin, don't allow the data out.
return NS_ERROR_DOM_SECURITY_ERR;
}
nsCOMPtr<nsIDOMBlob> blob;
blob = mEncodedBufferCache->ExtractBlob(mMimeType);
// create an event that uses the MessageEvent interface,
// which does not bubble, is not cancelable, and has no default action
nsCOMPtr<nsIDOMEvent> event;
nsresult rv = NS_NewDOMBlobEvent(getter_AddRefs(event), this, nullptr, nullptr);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIDOMBlobEvent> blobEvent = do_QueryInterface(event);
rv = blobEvent->InitBlobEvent(NS_LITERAL_STRING("dataavailable"),
false, false, blob);
NS_ENSURE_SUCCESS(rv, rv);
event->SetTrusted(true);
return DispatchDOMEvent(nullptr, event, nullptr, nullptr);
}
void
EventSource::AnnounceConnection()
{
if (mReadyState == CLOSED) {
return;
}
if (mReadyState != CONNECTING) {
NS_WARNING("Unexpected mReadyState!!!");
return;
}
// When a user agent is to announce the connection, the user agent must set
// the readyState attribute to OPEN and queue a task to fire a simple event
// named open at the EventSource object.
mReadyState = OPEN;
nsresult rv = CheckInnerWindowCorrectness();
if (NS_FAILED(rv)) {
return;
}
RefPtr<Event> event = NS_NewDOMEvent(this, nullptr, nullptr);
// it doesn't bubble, and it isn't cancelable
event->InitEvent(NS_LITERAL_STRING("open"), false, false);
event->SetTrusted(true);
rv = DispatchDOMEvent(nullptr, event, nullptr, nullptr);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch the open event!!!");
return;
}
}
void
DesktopNotification::DispatchNotificationEvent(const nsString& aName)
{
if (NS_FAILED(CheckInnerWindowCorrectness())) {
return;
}
nsCOMPtr<nsIDOMEvent> event;
nsresult rv = NS_NewDOMEvent(getter_AddRefs(event), this, nullptr, nullptr);
if (NS_SUCCEEDED(rv)) {
// it doesn't bubble, and it isn't cancelable
rv = event->InitEvent(aName, false, false);
if (NS_SUCCEEDED(rv)) {
event->SetTrusted(true);
DispatchDOMEvent(nullptr, event, nullptr, nullptr);
}
}
}
nsresult
MediaRecorder::CreateAndDispatchBlobEvent(already_AddRefed<nsIDOMBlob>&& aBlob)
{
NS_ABORT_IF_FALSE(NS_IsMainThread(), "Not running on main thread");
if (!CheckPrincipal()) {
// Media is not same-origin, don't allow the data out.
nsRefPtr<nsIDOMBlob> blob = aBlob;
return NS_ERROR_DOM_SECURITY_ERR;
}
BlobEventInit init;
init.mBubbles = false;
init.mCancelable = false;
init.mData = aBlob;
nsRefPtr<BlobEvent> event =
BlobEvent::Constructor(this,
NS_LITERAL_STRING("dataavailable"),
init);
event->SetTrusted(true);
return DispatchDOMEvent(nullptr, event, nullptr, nullptr);
}
nsresult
FileReader::DispatchProgressEvent(const nsAString& aType)
{
ProgressEventInit init;
init.mBubbles = false;
init.mCancelable = false;
init.mLoaded = mTransferred;
if (mTotal != kUnknownSize) {
init.mLengthComputable = true;
init.mTotal = mTotal;
} else {
init.mLengthComputable = false;
init.mTotal = 0;
}
RefPtr<ProgressEvent> event =
ProgressEvent::Constructor(this, aType, init);
event->SetTrusted(true);
return DispatchDOMEvent(nullptr, event, nullptr, nullptr);
}
void
EventSource::ReestablishConnection()
{
if (mReadyState == CLOSED) {
return;
}
nsresult rv = ResetConnection();
if (NS_FAILED(rv)) {
NS_WARNING("Failed to reset the connection!!!");
return;
}
rv = CheckInnerWindowCorrectness();
if (NS_FAILED(rv)) {
return;
}
RefPtr<Event> event = NS_NewDOMEvent(this, nullptr, nullptr);
// it doesn't bubble, and it isn't cancelable
event->InitEvent(NS_LITERAL_STRING("error"), false, false);
event->SetTrusted(true);
rv = DispatchDOMEvent(nullptr, event, nullptr, nullptr);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch the error event!!!");
return;
}
rv = SetReconnectionTimeout();
if (NS_FAILED(rv)) {
NS_WARNING("Failed to set the timeout for reestablishing the connection!!!");
return;
}
}
void
EventSource::DispatchAllMessageEvents()
{
if (mReadyState == CLOSED || mFrozen) {
return;
}
mGoingToDispatchAllMessages = false;
nsresult rv = CheckInnerWindowCorrectness();
if (NS_FAILED(rv)) {
return;
}
AutoJSAPI jsapi;
if (NS_WARN_IF(!jsapi.Init(GetOwner()))) {
return;
}
JSContext* cx = jsapi.cx();
while (mMessagesToDispatch.GetSize() > 0) {
nsAutoPtr<Message>
message(static_cast<Message*>(mMessagesToDispatch.PopFront()));
// Now we can turn our string into a jsval
JS::Rooted<JS::Value> jsData(cx);
{
JSString* jsString;
jsString = JS_NewUCStringCopyN(cx,
message->mData.get(),
message->mData.Length());
NS_ENSURE_TRUE_VOID(jsString);
jsData.setString(jsString);
}
// create an event that uses the MessageEvent interface,
// which does not bubble, is not cancelable, and has no default action
RefPtr<MessageEvent> event =
NS_NewDOMMessageEvent(this, nullptr, nullptr);
rv = event->InitMessageEvent(message->mEventName, false, false, jsData,
mOrigin, message->mLastEventID, nullptr);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to init the message event!!!");
return;
}
event->SetTrusted(true);
rv = DispatchDOMEvent(nullptr, static_cast<Event*>(event), nullptr,
nullptr);
if (NS_FAILED(rv)) {
NS_WARNING("Failed to dispatch the message event!!!");
return;
}
mLastEventID.Assign(message->mLastEventID);
}
}
