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

/* 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_a11y_RootAccessible_h__

#define mozilla_a11y_RootAccessible_h__

#include "HyperTextAccessible.h"

#include "DocAccessibleWrap.h"

#include "nsIDOMEventListener.h"

class nsIDocument;

namespace mozilla {

namespace a11y {

class RootAccessible : public DocAccessibleWrap,

                       public nsIDOMEventListener

{

  NS_DECL_ISUPPORTS_INHERITED

public:

  RootAccessible(nsIDocument* aDocument, nsIPresShell* aPresShell);

  // nsIDOMEventListener

  NS_DECL_NSIDOMEVENTLISTENER

  // Accessible

  virtual void Shutdown() override;

  virtual mozilla::a11y::ENameValueFlag Name(nsString& aName) const override;

  virtual Relation RelationByType(RelationType aType) const override;

  virtual mozilla::a11y::role NativeRole() const override;

  virtual uint64_t NativeState() const override;

  // RootAccessible

  /**

   * Notify that the sub document presshell was activated.

   */

  virtual void DocumentActivated(DocAccessible* aDocument);

  /**

   * Return the primary remote top level document if any.

   */

  ProxyAccessible* GetPrimaryRemoteTopLevelContentDoc() const;

protected:

  virtual ~RootAccessible();

  /**

   * Add/remove DOM event listeners.

   */

  virtual nsresult AddEventListeners() override;

  virtual nsresult RemoveEventListeners() override;

  /**

   * Process the DOM event.

   */

  void ProcessDOMEvent(dom::Event* aEvent);

  /**

   * Process "popupshown" event. Used by HandleEvent().

   */

  void HandlePopupShownEvent(Accessible* aAccessible);

  /*

   * Process "popuphiding" event. Used by HandleEvent().

   */

  void HandlePopupHidingEvent(nsINode* aNode);

#ifdef MOZ_XUL

  void HandleTreeRowCountChangedEvent(dom::Event* aEvent,

                                      XULTreeAccessible* aAccessible);

  void HandleTreeInvalidatedEvent(dom::Event* aEvent,

                                  XULTreeAccessible* aAccessible);

    uint32_t GetChromeFlags() const;

#endif

};

inline RootAccessible*

Accessible::AsRoot()

{

  return IsRoot() ? static_cast<mozilla::a11y::RootAccessible*>(this) : nullptr;

}

} // namespace a11y

} // namespace mozilla

#endif