gecko-dev/accessible/xpcom/xpcAccessibleValue.cpp
2014-10-21 20:49:28 -04:00

86 lines
1.7 KiB
C++

/* -*- 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()->IsDefunct())
return NS_ERROR_FAILURE;
double value = Intl()->MaxValue();
if (!IsNaN(value))
*aValue = value;
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleValue::GetMinimumValue(double* aValue)
{
NS_ENSURE_ARG_POINTER(aValue);
*aValue = 0;
if (Intl()->IsDefunct())
return NS_ERROR_FAILURE;
double value = Intl()->MinValue();
if (!IsNaN(value))
*aValue = value;
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleValue::GetCurrentValue(double* aValue)
{
NS_ENSURE_ARG_POINTER(aValue);
*aValue = 0;
if (Intl()->IsDefunct())
return NS_ERROR_FAILURE;
double value = Intl()->CurValue();
if (!IsNaN(value))
*aValue = value;
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleValue::SetCurrentValue(double aValue)
{
if (Intl()->IsDefunct())
return NS_ERROR_FAILURE;
Intl()->SetCurValue(aValue);
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleValue::GetMinimumIncrement(double* aValue)
{
NS_ENSURE_ARG_POINTER(aValue);
*aValue = 0;
if (Intl()->IsDefunct())
return NS_ERROR_FAILURE;
double value = Intl()->Step();
if (!IsNaN(value))
*aValue = value;
return NS_OK;
}