void DOMWindowEventQueue::dispatchEvent(Event* event) {
EventTarget* eventTarget = event->target();
InspectorInstrumentation::AsyncTask asyncTask(
eventTarget->getExecutionContext(), event);
if (LocalDOMWindow* window = eventTarget->toLocalDOMWindow())
window->dispatchEvent(event, nullptr);
else
eventTarget->dispatchEvent(event);
}
ScriptPromise HTMLVideoElement::createImageBitmap(ScriptState* scriptState, EventTarget& eventTarget, int sx, int sy, int sw, int sh, const ImageBitmapOptions& options, ExceptionState& exceptionState)
{
ASSERT(eventTarget.toLocalDOMWindow());
if (getNetworkState() == HTMLMediaElement::NETWORK_EMPTY) {
exceptionState.throwDOMException(InvalidStateError, "The provided element has not retrieved data.");
return ScriptPromise();
}
if (getReadyState() <= HTMLMediaElement::HAVE_METADATA) {
exceptionState.throwDOMException(InvalidStateError, "The provided element's player has no current data.");
return ScriptPromise();
}
if (!sw || !sh) {
exceptionState.throwDOMException(IndexSizeError, String::format("The source %s provided is 0.", sw ? "height" : "width"));
return ScriptPromise();
}
return ImageBitmapSource::fulfillImageBitmap(scriptState, ImageBitmap::create(this, IntRect(sx, sy, sw, sh), eventTarget.toLocalDOMWindow()->document(), options));
}