Set ComputedStyle on Node and use that in buildOwnLayout()

third_party/WebKit/Source/core/html/HTMLSelectElement.cpp

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
@@ skipping 409 matching lines @@
 
 HTMLOptionsCollection* HTMLSelectElement::options()
 {
     return ensureCachedCollection<HTMLOptionsCollection>(SelectOptions);
 }
 
 void HTMLSelectElement::optionElementChildrenChanged(const HTMLOptionElement& option)
 {
     setNeedsValidityCheck();
 
-    if (layoutObject()) {
+    if (hasLayoutObject()) {
         if (option.selected() && usesMenuList())
             layoutObject()->updateFromElement();
         if (AXObjectCache* cache = layoutObject()->document().existingAXObjectCache())
             cache->childrenChanged(this);
     }
 }
 
 void HTMLSelectElement::accessKeyAction(bool sendMouseEvents)
 {
     focus();
@@ skipping 385 matching lines @@
     }
     m_shouldRecalcListItems = shouldRecalc;
 
     setOptionsChangedOnLayoutObject();
     if (!inShadowIncludingDocument()) {
         if (HTMLOptionsCollection* collection = cachedCollection<HTMLOptionsCollection>(SelectOptions))
             collection->invalidateCache();
         invalidateSelectedItems();
     }
 
-    if (layoutObject()) {
+    if (hasLayoutObject()) {
         if (AXObjectCache* cache = layoutObject()->document().existingAXObjectCache())
             cache->childrenChanged(this);
     }
 }
 
 void HTMLSelectElement::recalcListItems() const
 {
     TRACE_EVENT0("blink", "HTMLSelectElement::recalcListItems");
     m_listItems.resize(0);
 
@@ skipping 1065 matching lines @@
 }
 
 String HTMLSelectElement::itemText(const Element& element) const
 {
     String itemString;
     if (isHTMLOptGroupElement(element))
         itemString = toHTMLOptGroupElement(element).groupLabelText();
     else if (isHTMLOptionElement(element))
         itemString = toHTMLOptionElement(element).textIndentedToRespectGroupLabel();
 
-    if (layoutObject())
+    if (hasLayoutObject())
         applyTextTransform(layoutObject()->style(), itemString, ' ');
     return itemString;
 }
 
 bool HTMLSelectElement::itemIsDisplayNone(Element& element) const
 {
     if (isHTMLOptionElement(element))
         return toHTMLOptionElement(element).isDisplayNone();
     if (const ComputedStyle* style = itemComputedStyle(element))
         return style->display() == NONE;
@@ skipping 37 matching lines @@
     unobserveTreeMutation();
     if (AXObjectCache* cache = document().existingAXObjectCache()) {
         if (layoutObject() && layoutObject()->isMenuList())
             cache->didHideMenuListPopup(toLayoutMenuList(layoutObject()));
     }
 }
 
 void HTMLSelectElement::setIndexToSelectOnCancel(int listIndex)
 {
     m_indexToSelectOnCancel = listIndex;
-    if (layoutObject())
+    if (hasLayoutObject())
         layoutObject()->updateFromElement();
 }
 
 int HTMLSelectElement::optionIndexToBeShown() const
 {
     if (m_indexToSelectOnCancel >= 0)
         return listToOptionIndex(m_indexToSelectOnCancel);
     if (suggestedIndex() >= 0)
         return suggestedIndex();
     return selectedIndex();
@@ skipping 145 matching lines @@
 }
 
 void HTMLSelectElement::didMutateSubtree()
 {
     DCHECK(popupIsVisible());
     DCHECK(m_popup);
     m_popup->updateFromElement(PopupMenu::ByDOMChange);
 }
 
 } // namespace blink