/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/* vim:expandtab:shiftwidth=4:tabstop=4:

 */

/* 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 "prlink.h"

#include "nsBidiKeyboard.h"

#include "nsIWidget.h"

#include <gtk/gtk.h>

NS_IMPL_ISUPPORTS(nsBidiKeyboard, nsIBidiKeyboard)

nsBidiKeyboard::nsBidiKeyboard()

{

    Reset();

}

NS_IMETHODIMP

nsBidiKeyboard::Reset()

{

    // NB: The default keymap can be null (e.g. in xpcshell). In that case,

    // simply assume that we don't have bidi keyboards.

    mHaveBidiKeyboards = false;

    GdkDisplay *display = gdk_display_get_default();

    if (!display)

        return NS_OK;

    GdkKeymap *keymap = gdk_keymap_get_for_display(display);

    mHaveBidiKeyboards = keymap && gdk_keymap_have_bidi_layouts(keymap);

    return NS_OK;

}

nsBidiKeyboard::~nsBidiKeyboard()

{

}

NS_IMETHODIMP

nsBidiKeyboard::IsLangRTL(bool *aIsRTL)

{

    if (!mHaveBidiKeyboards)

        return NS_ERROR_FAILURE;

    *aIsRTL = (gdk_keymap_get_direction(gdk_keymap_get_default()) == PANGO_DIRECTION_RTL);

    return NS_OK;

}

NS_IMETHODIMP nsBidiKeyboard::GetHaveBidiKeyboards(bool* aResult)

{

  // not implemented yet

  return NS_ERROR_NOT_IMPLEMENTED;

}

// static

already_AddRefed<nsIBidiKeyboard>

nsIWidget::CreateBidiKeyboardInner()

{

  return do_AddRef(new nsBidiKeyboard());

}