Bug 1069015 - Restore code for :placeholder-shown pseudo-class. r=dbaron

2016-08-31 14:21:44 -04:00
parent 1aba2010b6
commit eb97b29c77
12 changed files with 106 additions and 1 deletions
--- a/dom/html/HTMLTextAreaElement.cpp
+++ b/dom/html/HTMLTextAreaElement.cpp
@@ -1208,6 +1208,11 @@ HTMLTextAreaElement::IntrinsicState() const
    }
  }

+  if (HasAttr(kNameSpaceID_None, nsGkAtoms::placeholder) &&
+      IsValueEmpty()) {
+    state |= NS_EVENT_STATE_PLACEHOLDERSHOWN;
+  }
+
  return state;
 }

@@ -1617,7 +1622,8 @@ HTMLTextAreaElement::OnValueChanged(bool aNotify, bool aWasInteractiveUserChange
  UpdateTooShortValidityState();
  UpdateValueMissingValidityState();

-  if (validBefore != IsValid()) {
+  if (validBefore != IsValid() ||
+      HasAttr(kNameSpaceID_None, nsGkAtoms::placeholder)) {
    UpdateState(aNotify);
  }
 }