ScriptPromise MediaDevices::enumerateDevices(ScriptState* scriptState)
{
Document* document = toDocument(scriptState->executionContext());
UserMediaController* userMedia = UserMediaController::from(document->frame());
if (!userMedia)
return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError, "No media device controller available; is this a detached window?"));
MediaDevicesRequest* request = MediaDevicesRequest::create(scriptState, userMedia);
return request->start();
}
void NavigatorMediaStream::getMediaDevices(Navigator& navigator, PassOwnPtr<MediaDeviceInfoCallback> callback, ExceptionState& exceptionState)
{
UserMediaController* userMedia = UserMediaController::from(navigator.frame());
if (!userMedia) {
exceptionState.throwDOMException(NotSupportedError, "No media device controller available; is this a detached window?");
return;
}
MediaDevicesRequest* request = MediaDevicesRequest::create(navigator.frame()->document(), userMedia, callback, exceptionState);
if (!request) {
if (!exceptionState.hadException())
exceptionState.throwDOMException(NotSupportedError, "Failed to request media devices.");
return;
}
request->start();
}
MediaDevicesRequest* MediaDevicesRequest::create(ExecutionContext* context, UserMediaController* controller, MediaDeviceInfoCallback* callback, ExceptionState& exceptionState)
{
MediaDevicesRequest* request = new MediaDevicesRequest(context, controller, callback);
request->suspendIfNeeded();
return request;
}
