/* -*- 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/. */

#include "mozilla/dom/HTMLDialogElement.h"

#include "mozilla/dom/HTMLDialogElementBinding.h"

#include "mozilla/dom/HTMLUnknownElement.h"

#include "mozilla/Preferences.h"

// Expand NS_IMPL_NS_NEW_HTML_ELEMENT(Dialog) with pref check

nsGenericHTMLElement*

NS_NewHTMLDialogElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,

                         mozilla::dom::FromParser aFromParser)

{

  if (!mozilla::dom::HTMLDialogElement::IsDialogEnabled()) {

    return new mozilla::dom::HTMLUnknownElement(std::move(aNodeInfo));

  }

  return new mozilla::dom::HTMLDialogElement(std::move(aNodeInfo));

}

namespace mozilla {

namespace dom {

HTMLDialogElement::~HTMLDialogElement()

{

}

NS_IMPL_ELEMENT_CLONE(HTMLDialogElement)

bool

HTMLDialogElement::IsDialogEnabled()

{

  static bool isDialogEnabled = false;

  static bool added = false;

  if (!added) {

    Preferences::AddBoolVarCache(&isDialogEnabled,

                                 "dom.dialog_element.enabled");

    added = true;

  }

  return isDialogEnabled;

}

void

HTMLDialogElement::Close(const mozilla::dom::Optional<nsAString>& aReturnValue)

{

  if (!Open()) {

    return;

  }

  if (aReturnValue.WasPassed()) {

    SetReturnValue(aReturnValue.Value());

  }

  ErrorResult ignored;

  SetOpen(false, ignored);

  ignored.SuppressException();

  RefPtr<AsyncEventDispatcher> eventDispatcher =

    new AsyncEventDispatcher(this, NS_LITERAL_STRING("close"), CanBubble::eNo);

  eventDispatcher->PostDOMEvent();

}

void

HTMLDialogElement::Show()

{

  if (Open()) {

    return;

  }

  ErrorResult ignored;

  SetOpen(true, ignored);

  ignored.SuppressException();

}

void

HTMLDialogElement::ShowModal(ErrorResult& aError)

{

  if (!IsInComposedDoc() || Open()) {

   aError.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);

   return;

  }

  SetOpen(true, aError);

  aError.SuppressException();

}

JSObject*

HTMLDialogElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)

{

  return HTMLDialogElement_Binding::Wrap(aCx, this, aGivenProto);

}

} // namespace dom

} // namespace mozilla