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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "InterfaceInitFuncs.h"
#include "Accessible-inl.h"
#include "HyperTextAccessible.h"
#include "nsMai.h"
#include "nsMaiHyperlink.h"
#include "ProxyAccessible.h"
#include "mozilla/Likely.h"
using namespace mozilla::a11y;
extern "C" {
static AtkHyperlink*
getLinkCB(AtkHypertext *aText, gint aLinkIndex)
{
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
AtkObject* atkHyperLink = nullptr;
if (accWrap) {
HyperTextAccessible* hyperText = accWrap->AsHyperText();
NS_ENSURE_TRUE(hyperText, nullptr);
Accessible* hyperLink = hyperText->LinkAt(aLinkIndex);
if (!hyperLink || !hyperLink->IsLink()) {
return nullptr;
}
atkHyperLink = AccessibleWrap::GetAtkObject(hyperLink);
} else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
ProxyAccessible* proxyLink = proxy->LinkAt(aLinkIndex);
if (!proxyLink)
return nullptr;
atkHyperLink = GetWrapperFor(proxyLink);
}
NS_ENSURE_TRUE(IS_MAI_OBJECT(atkHyperLink), nullptr);
return MAI_ATK_OBJECT(atkHyperLink)->GetAtkHyperlink();
}
static gint
getLinkCountCB(AtkHypertext *aText)
{
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
if (accWrap) {
HyperTextAccessible* hyperText = accWrap->AsHyperText();
NS_ENSURE_TRUE(hyperText, -1);
return hyperText->LinkCount();
}
if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
return proxy->LinkCount();
}
return -1;
}
static gint
getLinkIndexCB(AtkHypertext *aText, gint aCharIndex)
{
AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
if (accWrap) {
HyperTextAccessible* hyperText = accWrap->AsHyperText();
NS_ENSURE_TRUE(hyperText, -1);
return hyperText->LinkIndexAtOffset(aCharIndex);
}
if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
return proxy->LinkIndexAtOffset(aCharIndex);
}
return -1;
}
}
void
hypertextInterfaceInitCB(AtkHypertextIface* aIface)
{
NS_ASSERTION(aIface, "no interface!");
if (MOZ_UNLIKELY(!aIface))
return;
aIface->get_link = getLinkCB;
aIface->get_n_links = getLinkCountCB;
aIface->get_link_index = getLinkIndexCB;
}
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