зеркало из https://github.com/mozilla/gecko-dev.git
116 строки
2.6 KiB
C++
116 строки
2.6 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 "xpcAccessibleGeneric.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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NS_ENSURE_ARG_POINTER(aValue);
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*aValue = 0;
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if (Intl().IsNull()) return NS_ERROR_FAILURE;
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if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())
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return NS_ERROR_FAILURE;
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double value;
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if (Intl().IsAccessible()) {
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value = Intl().AsAccessible()->MaxValue();
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} else {
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value = Intl().AsProxy()->MaxValue();
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}
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if (!IsNaN(value)) *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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NS_ENSURE_ARG_POINTER(aValue);
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*aValue = 0;
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if (Intl().IsNull()) return NS_ERROR_FAILURE;
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if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())
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return NS_ERROR_FAILURE;
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double value;
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if (Intl().IsAccessible()) {
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value = Intl().AsAccessible()->MinValue();
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} else {
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value = Intl().AsProxy()->MinValue();
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}
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if (!IsNaN(value)) *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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NS_ENSURE_ARG_POINTER(aValue);
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*aValue = 0;
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if (Intl().IsNull()) return NS_ERROR_FAILURE;
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if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())
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return NS_ERROR_FAILURE;
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double value;
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if (Intl().IsAccessible()) {
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value = Intl().AsAccessible()->CurValue();
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} else {
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value = Intl().AsProxy()->CurValue();
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}
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if (!IsNaN(value)) *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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if (Intl().IsNull()) return NS_ERROR_FAILURE;
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if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())
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return NS_ERROR_FAILURE;
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if (Intl().IsAccessible()) {
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Intl().AsAccessible()->SetCurValue(aValue);
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} else {
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Intl().AsProxy()->SetCurValue(aValue);
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}
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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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NS_ENSURE_ARG_POINTER(aValue);
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*aValue = 0;
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if (Intl().IsNull()) return NS_ERROR_FAILURE;
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if (Intl().IsAccessible() && Intl().AsAccessible()->IsDefunct())
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return NS_ERROR_FAILURE;
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double value;
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if (Intl().IsAccessible()) {
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value = Intl().AsAccessible()->Step();
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} else {
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value = Intl().AsProxy()->Step();
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}
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if (!IsNaN(value)) *aValue = value;
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return NS_OK;
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}
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