gecko-dev/accessible/xpcom/xpcAccessibleHyperLink.cpp

155 строки
3.7 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 "xpcAccessibleHyperLink.h"
#include "LocalAccessible-inl.h"
#include "mozilla/StaticPrefs_accessibility.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()) return NS_ERROR_FAILURE;
#if defined(XP_WIN)
if (Intl()->IsRemote() &&
!StaticPrefs::accessibility_cache_enabled_AtStartup()) {
return NS_ERROR_NOT_IMPLEMENTED;
}
#endif
*aStartIndex = static_cast<int32_t>(Intl()->StartOffset());
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleHyperLink::GetEndIndex(int32_t* aEndIndex) {
NS_ENSURE_ARG_POINTER(aEndIndex);
*aEndIndex = 0;
if (!Intl()) return NS_ERROR_FAILURE;
#if defined(XP_WIN)
if (Intl()->IsRemote() &&
!StaticPrefs::accessibility_cache_enabled_AtStartup()) {
return NS_ERROR_NOT_IMPLEMENTED;
}
#endif
*aEndIndex = static_cast<int32_t>(Intl()->EndOffset());
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleHyperLink::GetAnchorCount(int32_t* aAnchorCount) {
NS_ENSURE_ARG_POINTER(aAnchorCount);
*aAnchorCount = 0;
if (!Intl()) return NS_ERROR_FAILURE;
if (Intl()->IsLocal()) {
*aAnchorCount = Intl()->AsLocal()->AnchorCount();
} else {
#if defined(XP_WIN)
return NS_ERROR_NOT_IMPLEMENTED;
#else
bool isCountValid = false;
uint32_t anchorCount = Intl()->AsRemote()->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()) return NS_ERROR_FAILURE;
if (aIndex < 0) return NS_ERROR_INVALID_ARG;
if (Intl()->IsLocal()) {
if (aIndex >= static_cast<int32_t>(Intl()->AsLocal()->AnchorCount())) {
return NS_ERROR_INVALID_ARG;
}
RefPtr<nsIURI>(Intl()->AsLocal()->AnchorURIAt(aIndex)).forget(aURI);
} else {
#if defined(XP_WIN)
return NS_ERROR_NOT_IMPLEMENTED;
#else
nsCString spec;
bool isURIValid = false;
Intl()->AsRemote()->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()) return NS_ERROR_FAILURE;
if (aIndex < 0) return NS_ERROR_INVALID_ARG;
if (Intl()->IsLocal()) {
if (aIndex >= static_cast<int32_t>(Intl()->AsLocal()->AnchorCount())) {
return NS_ERROR_INVALID_ARG;
}
NS_IF_ADDREF(*aAccessible = ToXPC(Intl()->AsLocal()->AnchorAt(aIndex)));
} else {
#if defined(XP_WIN)
return NS_ERROR_NOT_IMPLEMENTED;
#else
NS_IF_ADDREF(*aAccessible = ToXPC(Intl()->AsRemote()->AnchorAt(aIndex)));
#endif
}
return NS_OK;
}
NS_IMETHODIMP
xpcAccessibleHyperLink::GetValid(bool* aValid) {
NS_ENSURE_ARG_POINTER(aValid);
*aValid = false;
if (!Intl()) return NS_ERROR_FAILURE;
if (Intl()->IsLocal()) {
*aValid = Intl()->AsLocal()->IsLinkValid();
} else {
#if defined(XP_WIN)
return NS_ERROR_NOT_IMPLEMENTED;
#else
*aValid = Intl()->AsRemote()->IsLinkValid();
#endif
}
return NS_OK;
}