Merge "Base: Mirroring layout on RTL languages [1/2]" into cm-11.0

     * Be careful: this code will need to be updated when vertical scripts will be supported

     */

    public static int getLayoutDirectionFromLocale(Locale locale) {

        boolean mirror = SystemProperties.getBoolean(Settings.Global.DEVELOPMENT_FORCE_RTL, false);

        if (locale != null && !locale.equals(Locale.ROOT)) {

            final String scriptSubtag = ICU.getScript(ICU.addLikelySubtags(locale.toString()));

            if (scriptSubtag == null) return getLayoutDirectionFromFirstChar(locale);

            if (scriptSubtag.equalsIgnoreCase(ARAB_SCRIPT_SUBTAG) ||

                    scriptSubtag.equalsIgnoreCase(HEBR_SCRIPT_SUBTAG)) {

                return View.LAYOUT_DIRECTION_RTL;

                //If forcing into RTL layout mode and language is RTL,return LTR as default,else RTL

                return mirror ? View.LAYOUT_DIRECTION_LTR : View.LAYOUT_DIRECTION_RTL;

            }

        }

        // If forcing into RTL layout mode, return RTL as default, else LTR

        return SystemProperties.getBoolean(Settings.Global.DEVELOPMENT_FORCE_RTL, false)

                ? View.LAYOUT_DIRECTION_RTL

                : View.LAYOUT_DIRECTION_LTR;

        //If forcing into RTL layout mode and language is LTR,return RTL as default,else LTR

        return mirror ? View.LAYOUT_DIRECTION_RTL : View.LAYOUT_DIRECTION_LTR;

    }

    /**