gecko-dev/accessible/xpcom/xpcAccessibleValue.cpp

122 строки
2.6 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 "LocalAccessible.h"
#include "LocalAccessible-inl.h"
using namespace mozilla;
using namespace mozilla::a11y;
NS_IMETHODIMP
xpcAccessibleValue::GetMaximumValue(double* aValue) {
NS_ENSURE_ARG_POINTER(aValue);
*aValue = 0;
if (!Intl()) return NS_ERROR_FAILURE;
if (Intl()->IsLocal() && Intl()->AsLocal()->IsDefunct()) {
return NS_ERROR_FAILURE;
}
double value;
if (Intl()->IsLocal()) {
value = Intl()->AsLocal()->MaxValue();
} else {
value = Intl()->AsRemote()->MaxValue();
}
if (!IsNaN(value)) *aValue = value;
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleValue::GetMinimumValue(double* aValue) {
NS_ENSURE_ARG_POINTER(aValue);
*aValue = 0;
if (!Intl()) return NS_ERROR_FAILURE;
if (Intl()->IsLocal() && Intl()->AsLocal()->IsDefunct()) {
return NS_ERROR_FAILURE;
}
double value;
if (Intl()->IsLocal()) {
value = Intl()->AsLocal()->MinValue();
} else {
value = Intl()->AsRemote()->MinValue();
}
if (!IsNaN(value)) *aValue = value;
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleValue::GetCurrentValue(double* aValue) {
NS_ENSURE_ARG_POINTER(aValue);
*aValue = 0;
if (!Intl()) return NS_ERROR_FAILURE;
if (Intl()->IsLocal() && Intl()->AsLocal()->IsDefunct()) {
return NS_ERROR_FAILURE;
}
double value;
if (Intl()->IsLocal()) {
value = Intl()->AsLocal()->CurValue();
} else {
value = Intl()->AsRemote()->CurValue();
}
if (!IsNaN(value)) *aValue = value;
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleValue::SetCurrentValue(double aValue) {
if (!Intl()) return NS_ERROR_FAILURE;
if (Intl()->IsLocal() && Intl()->AsLocal()->IsDefunct()) {
return NS_ERROR_FAILURE;
}
if (Intl()->IsLocal()) {
Intl()->AsLocal()->SetCurValue(aValue);
} else {
Intl()->AsRemote()->SetCurValue(aValue);
}
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleValue::GetMinimumIncrement(double* aValue) {
NS_ENSURE_ARG_POINTER(aValue);
*aValue = 0;
if (!Intl()) return NS_ERROR_FAILURE;
if (Intl()->IsLocal() && Intl()->AsLocal()->IsDefunct()) {
return NS_ERROR_FAILURE;
}
double value;
if (Intl()->IsLocal()) {
value = Intl()->AsLocal()->Step();
} else {
value = Intl()->AsRemote()->Step();
}
if (!IsNaN(value)) *aValue = value;
return NS_OK;
}