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