text: // 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.
  
  #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_HTML_DATA_LIST_OPTIONS_COLLECTION_H_
  #define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_HTML_DATA_LIST_OPTIONS_COLLECTION_H_
  
  #include "third_party/blink/renderer/core/html/forms/html_option_element.h"
  #include "third_party/blink/renderer/core/html/html_collection.h"
  
  namespace blink {
  
  class HTMLDataListOptionsCollection : public HTMLCollection {
   public:
    explicit HTMLDataListOptionsCollection(ContainerNode& owner_node)
        : HTMLCollection(owner_node,
                         kDataListOptions,
                         kDoesNotOverrideItemAfter) {}
    HTMLDataListOptionsCollection(ContainerNode& owner_node, CollectionType type)
        : HTMLDataListOptionsCollection(owner_node) {
      DCHECK_EQ(type, kDataListOptions);
    }
  
    HTMLOptionElement* Item(unsigned offset) const {
      return ToHTMLOptionElement(HTMLCollection::item(offset));
    }
  
    bool ElementMatches(const HTMLElement&) const;
  };
  
  DEFINE_TYPE_CASTS(HTMLDataListOptionsCollection,
                    LiveNodeListBase,
                    collection,
                    collection->GetType() == kDataListOptions,
                    collection.GetType() == kDataListOptions);
  
  inline bool HTMLDataListOptionsCollection::ElementMatches(
      const HTMLElement& element) const {
    return IsHTMLOptionElement(element);
  }
  
  }  // namespace blink
  
  #endif  // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_FORMS_HTML_DATA_LIST_OPTIONS_COLLECTION_H_
  