C++ (Cpp) treeDOMNode Examples

Example #1

File: nsTreeSelection.cpp Project: rn10950/RetroZilla

NS_IMETHODIMP nsTreeSelection::SetCurrentIndex(PRInt32 aIndex)
{
  if (mCurrentIndex == aIndex) {
    return NS_OK;
  }
  if (mCurrentIndex != -1)
    mTree->InvalidateRow(mCurrentIndex);
  
  mCurrentIndex = aIndex;
  
  if (aIndex != -1)
    mTree->InvalidateRow(aIndex);

  // Fire DOMMenuItemActive event for tree
  nsCOMPtr<nsIBoxObject> boxObject = do_QueryInterface(mTree);
  NS_ASSERTION(boxObject, "no box object!");
  if (!boxObject)
    return NS_ERROR_UNEXPECTED;
  nsCOMPtr<nsIDOMElement> treeElt;
  boxObject->GetElement(getter_AddRefs(treeElt));

  nsCOMPtr<nsIDOMNode> treeDOMNode(do_QueryInterface(treeElt));
  NS_ENSURE_TRUE(treeDOMNode, NS_ERROR_UNEXPECTED);

  nsPLDOMEvent *event = new nsPLDOMEvent(treeDOMNode,
                                         NS_LITERAL_STRING("DOMMenuItemActive"));

  nsresult rv;
  if (event) {
    rv = event->PostDOMEvent();
    if (NS_FAILED(rv)) {
      PL_DestroyEvent(event);
    }
  }
  else {
    rv = NS_ERROR_OUT_OF_MEMORY;
  }
  
  return rv;
}

Example #2

File: nsTreeSelection.cpp Project: Anachid/mozilla-central

NS_IMETHODIMP nsTreeSelection::SetCurrentIndex(PRInt32 aIndex)
{
  if (!mTree) {
    return NS_ERROR_UNEXPECTED;
  }
  if (mCurrentIndex == aIndex) {
    return NS_OK;
  }
  if (mCurrentIndex != -1 && mTree)
    mTree->InvalidateRow(mCurrentIndex);
  
  mCurrentIndex = aIndex;
  if (!mTree)
    return NS_OK;
  
  if (aIndex != -1)
    mTree->InvalidateRow(aIndex);

  // Fire DOMMenuItemActive or DOMMenuItemInactive event for tree.
  nsCOMPtr<nsIBoxObject> boxObject = do_QueryInterface(mTree);
  NS_ASSERTION(boxObject, "no box object!");
  if (!boxObject)
    return NS_ERROR_UNEXPECTED;
  nsCOMPtr<nsIDOMElement> treeElt;
  boxObject->GetElement(getter_AddRefs(treeElt));

  nsCOMPtr<nsINode> treeDOMNode(do_QueryInterface(treeElt));
  NS_ENSURE_STATE(treeDOMNode);

  NS_NAMED_LITERAL_STRING(DOMMenuItemActive, "DOMMenuItemActive");
  NS_NAMED_LITERAL_STRING(DOMMenuItemInactive, "DOMMenuItemInactive");

  nsRefPtr<nsAsyncDOMEvent> event =
    new nsAsyncDOMEvent(treeDOMNode,
                     (aIndex != -1 ? DOMMenuItemActive : DOMMenuItemInactive),
                      true, false);
  return event->PostDOMEvent();
}

Example #3

File: nsTreeSelection.cpp Project: lofter2011/Icefox

NS_IMETHODIMP nsTreeSelection::SetCurrentIndex(PRInt32 aIndex)
{
  if (!mTree) {
    return NS_ERROR_UNEXPECTED;
  }
  if (mCurrentIndex == aIndex) {
    return NS_OK;
  }
  if (mCurrentIndex != -1 && mTree)
    mTree->InvalidateRow(mCurrentIndex);
  
  mCurrentIndex = aIndex;
  if (!mTree)
    return NS_OK;
  
  if (aIndex != -1)
    mTree->InvalidateRow(aIndex);

  // Fire DOMMenuItemActive event for tree
  nsCOMPtr<nsIBoxObject> boxObject = do_QueryInterface(mTree);
  NS_ASSERTION(boxObject, "no box object!");
  if (!boxObject)
    return NS_ERROR_UNEXPECTED;
  nsCOMPtr<nsIDOMElement> treeElt;
  boxObject->GetElement(getter_AddRefs(treeElt));

  nsCOMPtr<nsINode> treeDOMNode(do_QueryInterface(treeElt));
  NS_ENSURE_STATE(treeDOMNode);

  nsRefPtr<nsPLDOMEvent> event =
    new nsPLDOMEvent(treeDOMNode, NS_LITERAL_STRING("DOMMenuItemActive"),
                     PR_TRUE, PR_FALSE);
  if (!event)
    return NS_ERROR_OUT_OF_MEMORY;

  return event->PostDOMEvent();
}