/* -*- 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_HTMLDetailsElement_h

#define mozilla_dom_HTMLDetailsElement_h

#include "mozilla/AsyncEventDispatcher.h"

#include "mozilla/Attributes.h"

#include "nsGenericHTMLElement.h"

namespace mozilla {

namespace dom {

// HTMLDetailsElement implements the <details> tag, which is used as a

// disclosure widget from which the user can obtain additional information or

// controls. Please see the spec for more information.

// https://html.spec.whatwg.org/multipage/forms.html#the-details-element

//

class HTMLDetailsElement final : public nsGenericHTMLElement

{

public:

  using NodeInfo = mozilla::dom::NodeInfo;

  explicit HTMLDetailsElement(already_AddRefed<NodeInfo>&& aNodeInfo)

    : nsGenericHTMLElement(std::move(aNodeInfo))

  {

  }

  NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLDetailsElement, details)

  nsIContent* GetFirstSummary() const;

  nsresult Clone(NodeInfo* aNodeInfo, nsINode** aResult) const override;

  nsChangeHint GetAttributeChangeHint(const nsAtom* aAttribute,

                                      int32_t aModType) const override;

  nsresult BeforeSetAttr(int32_t aNameSpaceID, nsAtom* aName,

                         const nsAttrValueOrString* aValue,

                         bool aNotify) override;

  // HTMLDetailsElement WebIDL

  bool Open() const { return GetBoolAttr(nsGkAtoms::open); }

  void SetOpen(bool aOpen, ErrorResult& aError)

  {

    SetHTMLBoolAttr(nsGkAtoms::open, aOpen, aError);

  }

  void ToggleOpen()

  {

    ErrorResult rv;

    SetOpen(!Open(), rv);

    rv.SuppressException();

  }

  virtual void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;

protected:

  virtual ~HTMLDetailsElement();

  JSObject* WrapNode(JSContext* aCx,

                     JS::Handle<JSObject*> aGivenProto) override;

  RefPtr<AsyncEventDispatcher> mToggleEventDispatcher;

};

} // namespace dom

} // namespace mozilla

#endif /* mozilla_dom_HTMLDetailsElement_h */