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

/* vim: set ts=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 __NS_ACCESSIBLE_WRAP_H__

#define __NS_ACCESSIBLE_WRAP_H__

#include "nsCOMPtr.h"

#include "Accessible.h"

struct _AtkObject;

typedef struct _AtkObject AtkObject;

enum AtkProperty {

  PROP_0,           // gobject convention

  PROP_NAME,

  PROP_DESCRIPTION,

  PROP_PARENT,      // ancestry has changed

  PROP_ROLE,

  PROP_LAYER,

  PROP_MDI_ZORDER,

  PROP_TABLE_CAPTION,

  PROP_TABLE_COLUMN_DESCRIPTION,

  PROP_TABLE_COLUMN_HEADER,

  PROP_TABLE_ROW_DESCRIPTION,

  PROP_TABLE_ROW_HEADER,

  PROP_TABLE_SUMMARY,

  PROP_LAST         // gobject convention

};

struct AtkPropertyChange {

  int32_t type;     // property type as listed above

  void *oldvalue;

  void *newvalue;

};

namespace mozilla {

namespace a11y {

class MaiHyperlink;

/**

 * AccessibleWrap, and its descendents in atk directory provide the

 * implementation of AtkObject.

 */

class AccessibleWrap : public Accessible

{

public:

  AccessibleWrap(nsIContent* aContent, DocAccessible* aDoc);

  virtual ~AccessibleWrap();

  void ShutdownAtkObject();

  virtual void Shutdown() override;

  // return the atk object for this AccessibleWrap

  virtual void GetNativeInterface(void** aOutAccessible) override;

  virtual nsresult HandleAccEvent(AccEvent* aEvent) override;

  AtkObject * GetAtkObject(void);

  static AtkObject* GetAtkObject(Accessible* aAccessible);

  bool IsValidObject();

  static const char * ReturnString(nsAString &aString) {

    static nsCString returnedString;

    returnedString = NS_ConvertUTF16toUTF8(aString);

    return returnedString.get();

  }

  static void GetKeyBinding(Accessible* aAccessible, nsAString& aResult);

  static Accessible* GetColumnHeader(TableAccessible* aAccessible,

                                     int32_t aColIdx);

  static Accessible* GetRowHeader(TableAccessible* aAccessible,

                                  int32_t aRowIdx);

protected:

  nsresult FireAtkStateChangeEvent(AccEvent* aEvent, AtkObject *aObject);

  nsresult FireAtkTextChangedEvent(AccEvent* aEvent, AtkObject *aObject);

  AtkObject *mAtkObject;

private:

  uint16_t CreateMaiInterfaces();

};

} // namespace a11y

} // namespace mozilla

#endif /* __NS_ACCESSIBLE_WRAP_H__ */