/* -*- 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/. */

#include "xpcAccessibleGeneric.h"

#include "Accessible.h"

using namespace mozilla;

using namespace mozilla::a11y;

NS_IMETHODIMP

xpcAccessibleValue::GetMaximumValue(double* aValue) {

  NS_ENSURE_ARG_POINTER(aValue);

  *aValue = 0;

  if (Intl().IsNull()) return NS_ERROR_FAILURE;

  if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())

    return NS_ERROR_FAILURE;

  double value;

  if (Intl().IsAccessible()) {

    value = Intl().AsAccessible()->MaxValue();

  } else {

    value = Intl().AsProxy()->MaxValue();

  }

  if (!IsNaN(value)) *aValue = value;

  return NS_OK;

}

NS_IMETHODIMP

xpcAccessibleValue::GetMinimumValue(double* aValue) {

  NS_ENSURE_ARG_POINTER(aValue);

  *aValue = 0;

  if (Intl().IsNull()) return NS_ERROR_FAILURE;

  if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())

    return NS_ERROR_FAILURE;

  double value;

  if (Intl().IsAccessible()) {

    value = Intl().AsAccessible()->MinValue();

  } else {

    value = Intl().AsProxy()->MinValue();

  }

  if (!IsNaN(value)) *aValue = value;

  return NS_OK;

}

NS_IMETHODIMP

xpcAccessibleValue::GetCurrentValue(double* aValue) {

  NS_ENSURE_ARG_POINTER(aValue);

  *aValue = 0;

  if (Intl().IsNull()) return NS_ERROR_FAILURE;

  if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())

    return NS_ERROR_FAILURE;

  double value;

  if (Intl().IsAccessible()) {

    value = Intl().AsAccessible()->CurValue();

  } else {

    value = Intl().AsProxy()->CurValue();

  }

  if (!IsNaN(value)) *aValue = value;

  return NS_OK;

}

NS_IMETHODIMP

xpcAccessibleValue::SetCurrentValue(double aValue) {

  if (Intl().IsNull()) return NS_ERROR_FAILURE;

  if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())

    return NS_ERROR_FAILURE;

  if (Intl().IsAccessible()) {

    Intl().AsAccessible()->SetCurValue(aValue);

  } else {

    Intl().AsProxy()->SetCurValue(aValue);

  }

  return NS_OK;

}

NS_IMETHODIMP

xpcAccessibleValue::GetMinimumIncrement(double* aValue) {

  NS_ENSURE_ARG_POINTER(aValue);

  *aValue = 0;

  if (Intl().IsNull()) return NS_ERROR_FAILURE;

  if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())

    return NS_ERROR_FAILURE;

  double value;

  if (Intl().IsAccessible()) {

    value = Intl().AsAccessible()->Step();

  } else {

    value = Intl().AsProxy()->Step();

  }

  if (!IsNaN(value)) *aValue = value;

  return NS_OK;

}