forked from mirrors/gecko-dev
fa5d442869
This updates the XPCOM, ATK and Windows implementations too. Differential Revision: https://phabricator.services.mozilla.com/D142028
74 lines
2.2 KiB
C++
74 lines
2.2 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "InterfaceInitFuncs.h"
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#include "LocalAccessible-inl.h"
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#include "HyperTextAccessible.h"
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#include "nsMai.h"
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#include "nsMaiHyperlink.h"
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#include "RemoteAccessible.h"
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#include "mozilla/Likely.h"
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using namespace mozilla::a11y;
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extern "C" {
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static AtkHyperlink* getLinkCB(AtkHypertext* aText, gint aLinkIndex) {
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AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
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AtkObject* atkHyperLink = nullptr;
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if (accWrap) {
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HyperTextAccessible* hyperText = accWrap->AsHyperText();
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NS_ENSURE_TRUE(hyperText, nullptr);
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LocalAccessible* hyperLink = hyperText->LinkAt(aLinkIndex);
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if (!hyperLink || !hyperLink->IsLink()) {
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return nullptr;
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}
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atkHyperLink = AccessibleWrap::GetAtkObject(hyperLink);
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} else if (RemoteAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
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RemoteAccessible* proxyLink = proxy->LinkAt(aLinkIndex);
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if (!proxyLink) return nullptr;
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atkHyperLink = GetWrapperFor(proxyLink);
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}
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NS_ENSURE_TRUE(IS_MAI_OBJECT(atkHyperLink), nullptr);
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return MAI_ATK_OBJECT(atkHyperLink)->GetAtkHyperlink();
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}
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static gint getLinkCountCB(AtkHypertext* aText) {
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if (Accessible* acc = GetInternalObj(ATK_OBJECT(aText))) {
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if (HyperTextAccessibleBase* hyperText = acc->AsHyperTextBase()) {
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return static_cast<gint>(hyperText->LinkCount());
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}
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}
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return -1;
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}
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static gint getLinkIndexCB(AtkHypertext* aText, gint aCharIndex) {
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Accessible* acc = GetInternalObj(ATK_OBJECT(aText));
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if (!acc) {
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return -1;
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}
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HyperTextAccessibleBase* hyperText = acc->AsHyperTextBase();
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if (!hyperText) {
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return -1;
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}
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return hyperText->LinkIndexAtOffset(aCharIndex);
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}
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} // extern "C"
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void hypertextInterfaceInitCB(AtkHypertextIface* aIface) {
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NS_ASSERTION(aIface, "no interface!");
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if (MOZ_UNLIKELY(!aIface)) return;
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aIface->get_link = getLinkCB;
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aIface->get_n_links = getLinkCountCB;
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aIface->get_link_index = getLinkIndexCB;
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}
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