1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef HTMLDataListOptionsCollection_h 6 #define HTMLDataListOptionsCollection_h 7 8 #include "core/html/HTMLCollection.h" 9 #include "core/html/HTMLOptionElement.h" 10 11 namespace blink { 12 13 class HTMLDataListOptionsCollection : public HTMLCollection { 14 public: 15 static PassRefPtrWillBeRawPtr<HTMLDataListOptionsCollection> create(ContainerNode& ownerNode, CollectionType type) 16 { 17 ASSERT_UNUSED(type, type == DataListOptions); 18 return adoptRefWillBeNoop(new HTMLDataListOptionsCollection(ownerNode)); 19 } 20 21 HTMLOptionElement* item(unsigned offset) const { return toHTMLOptionElement(HTMLCollection::item(offset)); } 22 23 bool elementMatches(const HTMLElement&) const; 24 private: 25 explicit HTMLDataListOptionsCollection(ContainerNode& ownerNode) 26 : HTMLCollection(ownerNode, DataListOptions, DoesNotOverrideItemAfter) 27 { } 28 }; 29 30 DEFINE_TYPE_CASTS(HTMLDataListOptionsCollection, LiveNodeListBase, collection, collection->type() == DataListOptions, collection.type() == DataListOptions); 31 32 inline bool HTMLDataListOptionsCollection::elementMatches(const HTMLElement& element) const 33 { 34 if (isHTMLOptionElement(element)) { 35 const HTMLOptionElement& option = toHTMLOptionElement(element); 36 if (!option.isDisabledFormControl() && !option.value().isEmpty()) 37 return true; 38 } 39 return false; 40 } 41 42 } // namespace blink 43 44 #endif // HTMLDataListOptionsCollection_h 45
