Bug 962628. Make '+' and '~' combinators work at the top level of an anonymous content forest. r=heycam

2014-01-23 15:18:06 -05:00
parent 9ea80db404
commit 06d2416317
5 changed files with 75 additions and 8 deletions
--- a/layout/style/nsCSSRuleProcessor.cpp
+++ b/layout/style/nsCSSRuleProcessor.cpp
@@ -2332,14 +2332,7 @@ static bool SelectorMatchesTree(Element* aPrevElement,
        if (aTreeMatchContext.mForStyling)
          parent->SetFlags(NODE_HAS_SLOW_SELECTOR_LATER_SIBLINGS);

-        int32_t index = parent->IndexOf(prevElement);
-        while (0 <= --index) {
-          nsIContent* content = parent->GetChildAt(index);
-          if (content->IsElement()) {
-            element = content->AsElement();
-            break;
-          }
-        }
+        element = prevElement->GetPreviousElementSibling();
      }
    }
    // for descendant combinators and child combinators, the element