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Bug 138069. Make -moz-user-focus work for any html element. r+sr=bryner

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aaronleventhal%moonset.net 2004-04-30 14:05:27 +00:00
parent 28e21ed4b9
commit 58be57bf41
1 changed files with 34 additions and 10 deletions
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44
content/events/src/nsEventStateManager.cpp
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@ -3559,17 +3559,19 @@ nsEventStateManager::GetNextTabbableContent(nsIContent* aRootContent,
}
}
else if (tag == nsHTMLAtoms::img) {
PRBool hasImageMap = PR_FALSE;
// Don't need to set disabled here, because if we
// match an imagemap, we'll return from there.
if (sTabFocusModel & eTabFocus_linksMask) {
nsCOMPtr<nsIDOMHTMLImageElement> nextImage(do_QueryInterface(child));
nsAutoString usemap;
if (nextImage) {
nsCOMPtr<nsIDocument> doc = child->GetDocument();
if (doc) {
nextImage->GetAttribute(NS_LITERAL_STRING("usemap"), usemap);
nsCOMPtr<nsIDOMHTMLMapElement> imageMap = nsImageMapUtils::FindImageMap(doc,usemap);
if (imageMap) {
nsCOMPtr<nsIDOMHTMLImageElement> nextImage(do_QueryInterface(child));
nsAutoString usemap;
if (nextImage) {
nsCOMPtr<nsIDocument> doc = child->GetDocument();
if (doc) {
nextImage->GetAttribute(NS_LITERAL_STRING("usemap"), usemap);
nsCOMPtr<nsIDOMHTMLMapElement> imageMap = nsImageMapUtils::FindImageMap(doc,usemap);
if (imageMap) {
hasImageMap = PR_TRUE;
if (sTabFocusModel & eTabFocus_linksMask) {
nsCOMPtr<nsIContent> map(do_QueryInterface(imageMap));
if (map) {
nsIContent *childArea;
@ -3615,6 +3617,22 @@ nsEventStateManager::GetNextTabbableContent(nsIContent* aRootContent,
}
}
}
// Might be using -moz-user-focus and imitating a control
// Check to see if linked
for (nsIContent *findAnchorAncestor = child; findAnchorAncestor;
findAnchorAncestor = findAnchorAncestor->GetParent()) {
nsCOMPtr<nsIDOMHTMLAnchorElement> anchor =
do_QueryInterface(findAnchorAncestor);
if (anchor) {
break; // Found an anchor
}
}
if (!findAnchorAncestor && !hasImageMap) {
// Focusable, but no anchor or image map.
// Therefore, this image is imitating a form control
disabled = !(sTabFocusModel & eTabFocus_formElementsMask);
}
}
else if (tag == nsHTMLAtoms::object) {
// OBJECT is treated as a form element.
@ -3652,7 +3670,13 @@ nsEventStateManager::GetNextTabbableContent(nsIContent* aRootContent,
}
}
}
}
}
else {
// Let any HTML element with -moz-user-focus: normal be tabbable
// Without this rule, DHTML form controls made from div or span
// cannot be put in the tab order.
disabled = !(sTabFocusModel & eTabFocus_formElementsMask);
}
}
else {
// Is it disabled?