1 files changed, 37 insertions, 0 deletions
diff --git a/accessible/windows/msaa/HyperTextAccessibleWrap.cpp b/accessible/windows/msaa/HyperTextAccessibleWrap.cpp
new file mode 100644
index 0000000000..609f940b92
--- /dev/null
+++ b/accessible/windows/msaa/HyperTextAccessibleWrap.cpp
@@ -0,0 +1,37 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=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 "HyperTextAccessibleWrap.h"
+#include "LocalAccessible-inl.h"
+
+#include "nsEventShell.h"
+
+#include "mozilla/StaticPtr.h"
+
+using namespace mozilla;
+using namespace mozilla::a11y;
+
+NS_IMPL_ISUPPORTS_INHERITED0(HyperTextAccessibleWrap, HyperTextAccessible)
+
+nsresult HyperTextAccessibleWrap::HandleAccEvent(AccEvent* aEvent) {
+  uint32_t eventType = aEvent->GetEventType();
+
+  if (eventType == nsIAccessibleEvent::EVENT_TEXT_REMOVED ||
+      eventType == nsIAccessibleEvent::EVENT_TEXT_INSERTED) {
+    LocalAccessible* accessible = aEvent->GetAccessible();
+    if (accessible && accessible->IsHyperText()) {
+      AccTextChangeEvent* event = downcast_accEvent(aEvent);
+      HyperTextAccessibleWrap* text =
+          static_cast<HyperTextAccessibleWrap*>(accessible->AsHyperText());
+      ia2AccessibleText::UpdateTextChangeData(
+          text, event->IsTextInserted(), event->ModifiedText(),
+          event->GetStartOffset(), event->GetLength());
+    }
+  }
+
+  return HyperTextAccessible::HandleAccEvent(aEvent);
+}