зеркало из https://github.com/mozilla/gecko-dev.git
84 строки
2.4 KiB
C++
84 строки
2.4 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 "InterfaceInitFuncs.h"
|
|
|
|
#include "LocalAccessible-inl.h"
|
|
#include "HyperTextAccessible.h"
|
|
#include "nsMai.h"
|
|
#include "nsMaiHyperlink.h"
|
|
#include "RemoteAccessible.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);
|
|
|
|
LocalAccessible* hyperLink = hyperText->LinkAt(aLinkIndex);
|
|
if (!hyperLink || !hyperLink->IsLink()) {
|
|
return nullptr;
|
|
}
|
|
|
|
atkHyperLink = AccessibleWrap::GetAtkObject(hyperLink);
|
|
} else if (RemoteAccessible* proxy = GetProxy(ATK_OBJECT(aText))) {
|
|
RemoteAccessible* 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 (RemoteAccessible* 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 (RemoteAccessible* 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;
|
|
}
|