nsresult
nsImageMap::UpdateAreas()
{
// Get rid of old area data
FreeAreas();
PRBool foundArea = PR_FALSE;
PRBool foundAnchor = PR_FALSE;
mContainsBlockContents = PR_FALSE;
return SearchForAreas(mMap, foundArea, foundAnchor);
}
nsresult
nsImageMap::UpdateAreas()
{
// Get rid of old area data
FreeAreas();
bool foundArea = false;
bool foundAnchor = false;
mContainsBlockContents = false;
return SearchForAreas(mMap, foundArea, foundAnchor);
}
nsresult
nsImageMap::SearchForAreas(nsIContent* aParent, PRBool& aFoundArea,
PRBool& aFoundAnchor)
{
nsresult rv = NS_OK;
PRUint32 i, n = aParent->GetChildCount();
// Look for <area> or <a> elements. We'll use whichever type we find first.
for (i = 0; i < n; i++) {
nsIContent *child = aParent->GetChildAt(i);
if (child->IsHTML()) {
// If we haven't determined that the map element contains an
// <a> element yet, then look for <area>.
if (!aFoundAnchor && child->Tag() == nsGkAtoms::area) {
aFoundArea = PR_TRUE;
rv = AddArea(child);
NS_ENSURE_SUCCESS(rv, rv);
// Continue to next child. This stops mContainsBlockContents from
// getting set. It also makes us ignore children of <area>s which
// is consistent with how we react to dynamic insertion of such
// children.
continue;
}
// If we haven't determined that the map element contains an
// <area> element yet, then look for <a>.
if (!aFoundArea && child->Tag() == nsGkAtoms::a) {
aFoundAnchor = PR_TRUE;
rv = AddArea(child);
NS_ENSURE_SUCCESS(rv, rv);
}
}
if (child->IsElement()) {
mContainsBlockContents = PR_TRUE;
rv = SearchForAreas(child, aFoundArea, aFoundAnchor);
NS_ENSURE_SUCCESS(rv, rv);
}
}
return NS_OK;
}
nsresult
nsImageMap::UpdateAreas()
{
// Get rid of old area data
FreeAreas();
bool foundArea = false;
bool foundAnchor = false;
mContainsBlockContents = false;
nsresult rv = SearchForAreas(mMap, foundArea, foundAnchor);
#ifdef ACCESSIBILITY
if (NS_SUCCEEDED(rv)) {
nsAccessibilityService* accService = GetAccService();
if (accService) {
accService->UpdateImageMap(mImageFrame);
}
}
#endif
return rv;
}
