michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "xpcAccessibleValue.h"
michael@0: #include "Accessible.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: using namespace mozilla::a11y;
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleValue::GetMaximumValue(double* aValue)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aValue);
michael@0:   *aValue = 0;
michael@0: 
michael@0:   Accessible* acc = static_cast<Accessible*>(this);
michael@0:   if (acc->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   double value = acc->MaxValue();
michael@0:   if (!IsNaN(value))
michael@0:     *aValue = value;
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleValue::GetMinimumValue(double* aValue)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aValue);
michael@0:   *aValue = 0;
michael@0: 
michael@0:   Accessible* acc = static_cast<Accessible*>(this);
michael@0:   if (acc->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   double value = acc->MinValue();
michael@0:   if (!IsNaN(value))
michael@0:     *aValue = value;
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleValue::GetCurrentValue(double* aValue)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aValue);
michael@0:   *aValue = 0;
michael@0: 
michael@0:   Accessible* acc = static_cast<Accessible*>(this);
michael@0:   if (acc->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   double value = acc->CurValue();
michael@0:   if (!IsNaN(value))
michael@0:     *aValue = value;
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleValue::SetCurrentValue(double aValue)
michael@0: {
michael@0:   Accessible* acc = static_cast<Accessible*>(this);
michael@0:   if (acc->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   acc->SetCurValue(aValue);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: xpcAccessibleValue::GetMinimumIncrement(double* aValue)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aValue);
michael@0:   *aValue = 0;
michael@0: 
michael@0:   Accessible* acc = static_cast<Accessible*>(this);
michael@0:   if (acc->IsDefunct())
michael@0:     return NS_ERROR_FAILURE;
michael@0: 
michael@0:   double value = acc->Step();
michael@0:   if (!IsNaN(value))
michael@0:     *aValue = value;
michael@0: 
michael@0:   return NS_OK;
michael@0: }