NS_IMETHODIMP DispatchAsyncScrollEventRunnable::Run()
{
nsCOMPtr<Element> frameElement = mTabParent->GetOwnerElement();
// Create the event's detail object.
nsRefPtr<nsAsyncScrollEventDetail> detail =
new nsAsyncScrollEventDetail(mContentRect.x, mContentRect.y,
mContentRect.width, mContentRect.height,
mContentSize.width, mContentSize.height);
DispatchCustomDOMEvent(frameElement,
NS_LITERAL_STRING("mozbrowserasyncscroll"),
detail);
return NS_OK;
}
NS_IMETHODIMP DispatchAsyncScrollEventRunnable::Run()
{
nsCOMPtr<Element> frameElement = mTabParent->GetOwnerElement();
NS_ENSURE_STATE(frameElement);
nsIDocument *doc = frameElement->OwnerDoc();
nsCOMPtr<nsIGlobalObject> globalObject = doc->GetScopeObject();
NS_ENSURE_TRUE(globalObject, NS_ERROR_UNEXPECTED);
// Create the event's detail object.
AsyncScrollEventDetail detail;
detail.mLeft = mContentRect.x;
detail.mTop = mContentRect.y;
detail.mWidth = mContentRect.width;
detail.mHeight = mContentRect.height;
detail.mScrollWidth = mContentRect.width;
detail.mScrollHeight = mContentRect.height;
AutoSafeJSContext cx;
JS::Rooted<JSObject*> globalJSObject(cx, globalObject->GetGlobalJSObject());
NS_ENSURE_TRUE(globalJSObject, NS_ERROR_UNEXPECTED);
JSAutoCompartment ac(cx, globalJSObject);
JS::Rooted<JS::Value> val(cx);
// We can get away with a null global here because
// AsyncScrollEventDetail only contains numeric values.
if (!detail.ToObject(cx, JS::NullPtr(), &val)) {
MOZ_CRASH("Failed to convert dictionary to JS::Value due to OOM.");
return NS_ERROR_FAILURE;
}
nsEventStatus status = nsEventStatus_eIgnore;
DispatchCustomDOMEvent(frameElement,
NS_LITERAL_STRING("mozbrowserasyncscroll"),
cx,
val, &status);
return NS_OK;
}
