Add support for attribute selectors in TargetedStyleRecalc.

Source/core/css/invalidation/StyleInvalidator.cpp

 
 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include "core/css/invalidation/StyleInvalidator.h"
 
 #include "core/dom/Document.h"
@@ skipping 17 matching lines @@
 }
 
 StyleInvalidator::StyleInvalidator(Document& document)
     : m_document(document)
     , m_pendingInvalidationMap(document.styleResolver()->ruleFeatureSet().pendingInvalidationMap())
 { }
 
 void StyleInvalidator::RecursionData::pushInvalidationSet(const DescendantInvalidationSet& invalidationSet)
 {
     invalidationSet.getClasses(m_invalidationClasses);
+    invalidationSet.getAttributes(m_invalidationAttributes);
     m_foundInvalidationSet = true;
 }
 
 bool StyleInvalidator::RecursionData::matchesCurrentInvalidationSets(Element& element)
 {
-    if (!element.hasClass())
-        return false;
-
-    const SpaceSplitString& classNames = element.classNames();
-    for (Vector<AtomicString>::const_iterator it = m_invalidationClasses.begin(); it != m_invalidationClasses.end(); ++it) {
-        if (classNames.contains(*it))
-            return true;
+    if (element.hasClass()) {
+        const SpaceSplitString& classNames = element.classNames();
+        for (Vector<AtomicString>::const_iterator it = m_invalidationClasses.begin(); it != m_invalidationClasses.end(); ++it) {
+            if (classNames.contains(*it))
+                return true;
+        }
+    }
+    if (element.hasAttributes()) {
+        for (Vector<AtomicString>::const_iterator it = m_invalidationAttributes.begin(); it != m_invalidationAttributes.end(); ++it) {
+            if (element.hasAttribute(*it))
+                return true;
+        }
     }
 
     return false;
 }
 
 bool StyleInvalidator::checkInvalidationSetsAgainstElement(Element& element)
 {
     bool thisElementNeedsStyleRecalc = false;
     if (element.needsStyleInvalidation()) {
         if (RuleFeatureSet::InvalidationList* invalidationList = m_pendingInvalidationMap.get(&element)) {
@@ skipping 59 matching lines @@
         }
     }
 
     element.clearChildNeedsStyleInvalidation();
     element.clearNeedsStyleInvalidation();
 
     return thisElementNeedsStyleRecalc;
 }
 
 } // namespace WebCore