void
nsImageMap::MaybeUpdateAreas(nsIContent *aContent)
{
if (aContent == mMap || mContainsBlockContents) {
UpdateAreas();
}
}
nsresult
nsImageMap::Init(nsImageFrame* aImageFrame, nsIContent* aMap)
{
NS_PRECONDITION(aMap, "null ptr");
if (!aMap) {
return NS_ERROR_NULL_POINTER;
}
mImageFrame = aImageFrame;
mMap = aMap;
mMap->AddMutationObserver(this);
// "Compile" the areas in the map into faster access versions
return UpdateAreas();
}
nsresult
nsImageMap::Init(nsIPresShell* aPresShell, nsIFrame* aImageFrame, nsIDOMHTMLMapElement* aMap)
{
NS_PRECONDITION(nsnull != aMap, "null ptr");
if (nsnull == aMap) {
return NS_ERROR_NULL_POINTER;
}
mPresShell = aPresShell;
mImageFrame = aImageFrame;
mMap = do_QueryInterface(aMap);
NS_ASSERTION(mMap, "aMap is not an nsIContent!");
mMap->AddMutationObserver(this);
// "Compile" the areas in the map into faster access versions
return UpdateAreas();
}
