gecko-dev/accessible/xpcom/xpcAccessibleHyperLink.cpp

164 строки
3.9 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 "xpcAccessibleHyperLink.h"
#include "Accessible-inl.h"
#include "nsNetUtil.h"
#include "xpcAccessibleDocument.h"
using namespace mozilla::a11y;
NS_IMETHODIMP
xpcAccessibleHyperLink::GetStartIndex(int32_t* aStartIndex) {
NS_ENSURE_ARG_POINTER(aStartIndex);
*aStartIndex = 0;
if (Intl().IsNull()) return NS_ERROR_FAILURE;
if (Intl().IsAccessible()) {
*aStartIndex = Intl().AsAccessible()->StartOffset();
} else {
#if defined(XP_WIN)
return NS_ERROR_NOT_IMPLEMENTED;
#else
bool isIndexValid = false;
uint32_t startOffset = Intl().AsProxy()->StartOffset(&isIndexValid);
if (!isIndexValid) return NS_ERROR_FAILURE;
*aStartIndex = startOffset;
#endif
}
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleHyperLink::GetEndIndex(int32_t* aEndIndex) {
NS_ENSURE_ARG_POINTER(aEndIndex);
*aEndIndex = 0;
if (Intl().IsNull()) return NS_ERROR_FAILURE;
if (Intl().IsAccessible()) {
*aEndIndex = Intl().AsAccessible()->EndOffset();
} else {
#if defined(XP_WIN)
return NS_ERROR_NOT_IMPLEMENTED;
#else
bool isIndexValid = false;
uint32_t endOffset = Intl().AsProxy()->EndOffset(&isIndexValid);
if (!isIndexValid) return NS_ERROR_FAILURE;
*aEndIndex = endOffset;
#endif
}
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleHyperLink::GetAnchorCount(int32_t* aAnchorCount) {
NS_ENSURE_ARG_POINTER(aAnchorCount);
*aAnchorCount = 0;
if (Intl().IsNull()) return NS_ERROR_FAILURE;
if (Intl().IsAccessible()) {
*aAnchorCount = Intl().AsAccessible()->AnchorCount();
} else {
#if defined(XP_WIN)
return NS_ERROR_NOT_IMPLEMENTED;
#else
bool isCountValid = false;
uint32_t anchorCount = Intl().AsProxy()->AnchorCount(&isCountValid);
if (!isCountValid) return NS_ERROR_FAILURE;
*aAnchorCount = anchorCount;
#endif
}
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleHyperLink::GetURI(int32_t aIndex, nsIURI** aURI) {
NS_ENSURE_ARG_POINTER(aURI);
if (Intl().IsNull()) return NS_ERROR_FAILURE;
if (aIndex < 0) return NS_ERROR_INVALID_ARG;
if (Intl().IsAccessible()) {
if (aIndex >= static_cast<int32_t>(Intl().AsAccessible()->AnchorCount()))
return NS_ERROR_INVALID_ARG;
RefPtr<nsIURI>(Intl().AsAccessible()->AnchorURIAt(aIndex)).forget(aURI);
} else {
#if defined(XP_WIN)
return NS_ERROR_NOT_IMPLEMENTED;
#else
nsCString spec;
bool isURIValid = false;
Intl().AsProxy()->AnchorURIAt(aIndex, spec, &isURIValid);
if (!isURIValid) return NS_ERROR_FAILURE;
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), spec);
NS_ENSURE_SUCCESS(rv, rv);
uri.forget(aURI);
#endif
}
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleHyperLink::GetAnchor(int32_t aIndex, nsIAccessible** aAccessible) {
NS_ENSURE_ARG_POINTER(aAccessible);
*aAccessible = nullptr;
if (Intl().IsNull()) return NS_ERROR_FAILURE;
if (aIndex < 0) return NS_ERROR_INVALID_ARG;
if (Intl().IsAccessible()) {
if (aIndex >= static_cast<int32_t>(Intl().AsAccessible()->AnchorCount()))
return NS_ERROR_INVALID_ARG;
NS_IF_ADDREF(*aAccessible = ToXPC(Intl().AsAccessible()->AnchorAt(aIndex)));
} else {
#if defined(XP_WIN)
return NS_ERROR_NOT_IMPLEMENTED;
#else
NS_IF_ADDREF(*aAccessible = ToXPC(Intl().AsProxy()->AnchorAt(aIndex)));
#endif
}
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleHyperLink::GetValid(bool* aValid) {
NS_ENSURE_ARG_POINTER(aValid);
*aValid = false;
if (Intl().IsNull()) return NS_ERROR_FAILURE;
if (Intl().IsAccessible()) {
*aValid = Intl().AsAccessible()->IsLinkValid();
} else {
#if defined(XP_WIN)
return NS_ERROR_NOT_IMPLEMENTED;
#else
*aValid = Intl().AsProxy()->IsLinkValid();
#endif
}
return NS_OK;
}