C++ (Cpp) EventTarget::GetTargetForEventTargetChain Examples

Example #1

File: nsEventDispatcher.cpp Project: vitillo/mozilla-central

nsEventTargetChainItem*
EventTargetChainItemForChromeTarget(nsINode* aNode,
                                    nsEventTargetChainItem* aChild = nullptr)
{
  if (!aNode->IsInDoc()) {
    return nullptr;
  }
  nsPIDOMWindow* win = aNode->OwnerDoc()->GetInnerWindow();
  EventTarget* piTarget = win ? win->GetParentTarget() : nullptr;
  NS_ENSURE_TRUE(piTarget, nullptr);

  nsEventTargetChainItem* etci =
    nsEventTargetChainItem::Create(piTarget->GetTargetForEventTargetChain(),
                                   aChild);
  NS_ENSURE_TRUE(etci, nullptr);
  if (!etci->IsValid()) {
    nsEventTargetChainItem::Destroy(etci);
    return nullptr;
  }
  return etci;
}