diff -r 000000000000 -r 6474c204b198 accessible/src/atk/nsMaiInterfaceEditableText.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/accessible/src/atk/nsMaiInterfaceEditableText.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,120 @@
+/* -*- 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 "Accessible-inl.h"
+#include "HyperTextAccessible-inl.h"
+#include "nsMai.h"
+
+#include "nsString.h"
+#include "mozilla/Likely.h"
+
+using namespace mozilla::a11y;
+
+extern "C" {
+static void
+setTextContentsCB(AtkEditableText *aText, const gchar *aString)
+{
+  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
+  if (!accWrap)
+    return;
+
+  HyperTextAccessible* text = accWrap->AsHyperText();
+  if (!text || !text->IsTextRole())
+    return;
+
+  NS_ConvertUTF8toUTF16 strContent(aString);
+  text->ReplaceText(strContent);
+}
+
+static void
+insertTextCB(AtkEditableText *aText,
+             const gchar *aString, gint aLength, gint *aPosition)
+{
+  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
+  if (!accWrap)
+    return;
+
+  HyperTextAccessible* text = accWrap->AsHyperText();
+  if (!text || !text->IsTextRole())
+    return;
+
+  NS_ConvertUTF8toUTF16 strContent(aString, aLength);
+  text->InsertText(strContent, *aPosition);
+}
+
+static void
+copyTextCB(AtkEditableText *aText, gint aStartPos, gint aEndPos)
+{
+  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
+  if (!accWrap)
+    return;
+
+  HyperTextAccessible* text = accWrap->AsHyperText();
+  if (!text || !text->IsTextRole())
+    return;
+
+  text->CopyText(aStartPos, aEndPos);
+}
+
+static void
+cutTextCB(AtkEditableText *aText, gint aStartPos, gint aEndPos)
+{
+  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
+  if (!accWrap)
+    return;
+
+  HyperTextAccessible* text = accWrap->AsHyperText();
+  if (!text || !text->IsTextRole())
+    return;
+
+  text->CutText(aStartPos, aEndPos);
+}
+
+static void
+deleteTextCB(AtkEditableText *aText, gint aStartPos, gint aEndPos)
+{
+  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
+  if (!accWrap)
+    return;
+
+  HyperTextAccessible* text = accWrap->AsHyperText();
+  if (!text || !text->IsTextRole())
+    return;
+
+  text->DeleteText(aStartPos, aEndPos);
+}
+
+static void
+pasteTextCB(AtkEditableText *aText, gint aPosition)
+{
+  AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aText));
+  if (!accWrap)
+    return;
+
+  HyperTextAccessible* text = accWrap->AsHyperText();
+  if (!text || !text->IsTextRole())
+    return;
+
+  text->PasteText(aPosition);
+}
+}
+
+void
+editableTextInterfaceInitCB(AtkEditableTextIface* aIface)
+{
+  NS_ASSERTION(aIface, "Invalid aIface");
+  if (MOZ_UNLIKELY(!aIface))
+    return;
+
+  aIface->set_text_contents = setTextContentsCB;
+  aIface->insert_text = insertTextCB;
+  aIface->copy_text = copyTextCB;
+  aIface->cut_text = cutTextCB;
+  aIface->delete_text = deleteTextCB;
+  aIface->paste_text = pasteTextCB;
+}