Bug 976616 - Part 1: Call ProcessViewportInfo when meta viewport is changed. r=bholley

2015-08-24 15:34:00 -04:00
parent 26c03b2758
commit 691413428c
1 changed files with 7 additions and 0 deletions
--- a/dom/html/HTMLMetaElement.cpp
+++ b/dom/html/HTMLMetaElement.cpp
@@ -56,6 +56,13 @@ HTMLMetaElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
  if (aNameSpaceID == kNameSpaceID_None) {
    if (aName == nsGkAtoms::content) {
      nsIDocument *document = GetUncomposedDoc();
+      if (document && AttrValueIs(kNameSpaceID_None, nsGkAtoms::name,
+                                  nsGkAtoms::viewport, eIgnoreCase)) {
+        nsAutoString content;
+        nsresult rv = GetContent(content);
+        NS_ENSURE_SUCCESS(rv, rv);
+        nsContentUtils::ProcessViewportInfo(document, content);
+      }
      CreateAndDispatchEvent(document, NS_LITERAL_STRING("DOMMetaChanged"));
    }
  }