From 1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c Mon Sep 17 00:00:00 2001
From: Lorry Tar Creator <lorry-tar-importer@lorry>
Date: Tue, 27 Jun 2017 06:07:23 +0000
Subject: webkitgtk-2.16.5

---
 Source/WebCore/html/HTMLOptionsCollection.h | 65 ++++++++++++++++++++---------
 1 file changed, 45 insertions(+), 20 deletions(-)

(limited to 'Source/WebCore/html/HTMLOptionsCollection.h')

diff --git a/Source/WebCore/html/HTMLOptionsCollection.h b/Source/WebCore/html/HTMLOptionsCollection.h
index 1c5e6889b..3f7dd5a7a 100644
--- a/Source/WebCore/html/HTMLOptionsCollection.h
+++ b/Source/WebCore/html/HTMLOptionsCollection.h
@@ -2,7 +2,7 @@
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2004-2016 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ -21,39 +21,64 @@
  *
  */
 
-#ifndef HTMLOptionsCollection_h
-#define HTMLOptionsCollection_h
+#pragma once
 
-#include "HTMLCollection.h"
+#include "CachedHTMLCollection.h"
+#include "HTMLOptionElement.h"
 #include "HTMLSelectElement.h"
 
 namespace WebCore {
 
-class HTMLOptionElement;
+class HTMLOptionsCollection final : public CachedHTMLCollection<HTMLOptionsCollection, CollectionTypeTraits<SelectOptions>::traversalType> {
+public:
+    static Ref<HTMLOptionsCollection> create(HTMLSelectElement&, CollectionType);
 
-typedef int ExceptionCode;
+    HTMLSelectElement& selectElement() { return downcast<HTMLSelectElement>(ownerNode()); }
+    const HTMLSelectElement& selectElement() const { return downcast<HTMLSelectElement>(ownerNode()); }
 
-class HTMLOptionsCollection final : public HTMLCollection {
-public:
-    static PassRef<HTMLOptionsCollection> create(HTMLSelectElement&, CollectionType);
+    HTMLOptionElement* item(unsigned offset) const final;
+    HTMLOptionElement* namedItem(const AtomicString& name) const final;
 
-    HTMLSelectElement& selectElement() { return toHTMLSelectElement(ownerNode()); }
-    const HTMLSelectElement& selectElement() const { return toHTMLSelectElement(ownerNode()); }
+    using OptionOrOptGroupElement = Variant<RefPtr<HTMLOptionElement>, RefPtr<HTMLOptGroupElement>>;
+    using HTMLElementOrInt = Variant<RefPtr<HTMLElement>, int>;
+    WEBCORE_EXPORT ExceptionOr<void> add(const OptionOrOptGroupElement&, const std::optional<HTMLElementOrInt>& before);
+    WEBCORE_EXPORT void remove(int index);
+    void remove(HTMLOptionElement&);
 
-    void add(PassRefPtr<HTMLOptionElement>, ExceptionCode&);
-    void add(PassRefPtr<HTMLOptionElement>, int index, ExceptionCode&);
-    void remove(int index);
-    void remove(HTMLOptionElement*);
+    WEBCORE_EXPORT int selectedIndex() const;
+    WEBCORE_EXPORT void setSelectedIndex(int);
 
-    int selectedIndex() const;
-    void setSelectedIndex(int);
+    WEBCORE_EXPORT ExceptionOr<void> setLength(unsigned);
 
-    void setLength(unsigned, ExceptionCode&);
+    // For CachedHTMLCollection.
+    bool elementMatches(Element&) const;
 
 private:
     explicit HTMLOptionsCollection(HTMLSelectElement&);
 };
 
-} //namespace
+inline HTMLOptionElement* HTMLOptionsCollection::item(unsigned offset) const
+{
+    return downcast<HTMLOptionElement>(CachedHTMLCollection<HTMLOptionsCollection, CollectionTypeTraits<SelectOptions>::traversalType>::item(offset));
+}
+
+inline HTMLOptionElement* HTMLOptionsCollection::namedItem(const AtomicString& name) const
+{
+    return downcast<HTMLOptionElement>(CachedHTMLCollection<HTMLOptionsCollection, CollectionTypeTraits<SelectOptions>::traversalType>::namedItem(name));
+}
+
+inline bool HTMLOptionsCollection::elementMatches(Element& element) const
+{
+    if (!element.hasTagName(HTMLNames::optionTag))
+        return false;
+
+    if (element.parentNode() == &selectElement())
+        return true;
+
+    ASSERT(element.parentNode());
+    return element.parentNode()->hasTagName(HTMLNames::optgroupTag) && element.parentNode()->parentNode() == &selectElement();
+}
+
+} // namespace WebCore
 
-#endif
+SPECIALIZE_TYPE_TRAITS_HTMLCOLLECTION(HTMLOptionsCollection, SelectOptions)
-- 
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