/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_HTMLAllCollection_h

#define mozilla_dom_HTMLAllCollection_h

#include "nsCycleCollectionParticipant.h"

#include "nsISupportsImpl.h"

#include "nsRefPtrHashtable.h"

#include "nsWrapperCache.h"

#include <stdint.h>

class nsContentList;

class nsHTMLDocument;

class nsIContent;

class nsINode;

namespace mozilla {

namespace dom {

class OwningNodeOrHTMLCollection;

template<typename> struct Nullable;

class HTMLAllCollection final : public nsISupports

                              , public nsWrapperCache

{

  ~HTMLAllCollection();

public:

  explicit HTMLAllCollection(nsHTMLDocument* aDocument);

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(HTMLAllCollection)

  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;

  nsINode* GetParentObject() const;

  uint32_t Length();

  nsIContent* Item(uint32_t aIndex);

  void Item(const nsAString& aName, Nullable<OwningNodeOrHTMLCollection>& aResult)

  {

    NamedItem(aName, aResult);

  }

  nsIContent* IndexedGetter(uint32_t aIndex, bool& aFound)

  {

    nsIContent* result = Item(aIndex);

    aFound = !!result;

    return result;

  }

  void NamedItem(const nsAString& aName,

                 Nullable<OwningNodeOrHTMLCollection>& aResult)

  {

    bool found = false;

    NamedGetter(aName, found, aResult);

  }

  void NamedGetter(const nsAString& aName,

                   bool& aFound,

                   Nullable<OwningNodeOrHTMLCollection>& aResult);

  void GetSupportedNames(nsTArray<nsString>& aNames);

  void LegacyCall(JS::Handle<JS::Value>, const nsAString& aName,

                  Nullable<OwningNodeOrHTMLCollection>& aResult)

  {

    NamedItem(aName, aResult);

  }

private:

  nsContentList* Collection();

  /**

   * Returns the HTMLCollection for document.all[aID], or null if there isn't one.

   */

  nsContentList* GetDocumentAllList(const nsAString& aID);

  RefPtr<nsHTMLDocument> mDocument;

  RefPtr<nsContentList> mCollection;

  nsRefPtrHashtable<nsStringHashKey, nsContentList> mNamedMap;

};

} // namespace dom

} // namespace mozilla

#endif // mozilla_dom_HTMLAllCollection_h