1 files changed, 63 insertions, 0 deletions
diff --git a/accessible/atk/nsMaiInterfaceHypertext.cpp b/accessible/atk/nsMaiInterfaceHypertext.cpp
new file mode 100644
index 0000000000..1e073c87d2
--- /dev/null
+++ b/accessible/atk/nsMaiInterfaceHypertext.cpp
@@ -0,0 +1,63 @@
+/* -*- 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) {
+  if (Accessible* acc = GetInternalObj(ATK_OBJECT(aText))) {
+    if (HyperTextAccessibleBase* hyperText = acc->AsHyperTextBase()) {
+      Accessible* linkAcc = hyperText->LinkAt(aLinkIndex);
+      AtkObject* atkHyperLink = GetWrapperFor(linkAcc);
+      NS_ENSURE_TRUE(IS_MAI_OBJECT(atkHyperLink), nullptr);
+      return MAI_ATK_OBJECT(atkHyperLink)->GetAtkHyperlink();
+    }
+  }
+
+  return nullptr;
+}
+
+static gint getLinkCountCB(AtkHypertext* aText) {
+  if (Accessible* acc = GetInternalObj(ATK_OBJECT(aText))) {
+    if (HyperTextAccessibleBase* hyperText = acc->AsHyperTextBase()) {
+      return static_cast<gint>(hyperText->LinkCount());
+    }
+  }
+  return -1;
+}
+
+static gint getLinkIndexCB(AtkHypertext* aText, gint aCharIndex) {
+  Accessible* acc = GetInternalObj(ATK_OBJECT(aText));
+  if (!acc) {
+    return -1;
+  }
+  HyperTextAccessibleBase* hyperText = acc->AsHyperTextBase();
+  if (!hyperText) {
+    return -1;
+  }
+  return hyperText->LinkIndexAtOffset(aCharIndex);
+}
+
+}  // extern "C"
+
+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;
+}