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/* 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
// Return the set of locales according to LocaleService
use cstr::cstr;
use fluent::FluentResource;
use nserror::nsresult;
use nsstring::nsCString;
use thin_vec::ThinVec;
use unic_langid::LanguageIdentifier;
use xpcom::get_service;
use xpcom::interfaces::mozILocaleService;
static MENUBAR_FILE: &str = include_str!(mozbuild::srcdir_path!(
"/comm/mail/locales/en-US/messenger/menubar.ftl"
));
static BRANDING_FILE: &str = include_str!(mozbuild::srcdir_path!(
"/comm/mail/branding/thunderbird/locales/en-US/brand.ftl"
));
// Ask mozILocaleService for the known locale list
fn supported_locales() -> Result<ThinVec<nsCString>, nsresult> {
let service = get_service::<mozILocaleService>(cstr!("@mozilla.org/intl/localeservice;1"))
.ok_or(nserror::NS_ERROR_NO_INTERFACE)?;
let mut locales = ThinVec::new();
unsafe {
service.GetAppLocalesAsBCP47(&mut locales).to_result()?;
}
Ok(locales)
}
/// Convert mozILocaleService known locales into fluent usable locales
pub(crate) fn app_locales() -> Result<Vec<LanguageIdentifier>, nsresult> {
let locales = supported_locales()?
.into_iter()
.filter_map(|i| LanguageIdentifier::from_bytes(&i).ok())
.collect::<Vec<_>>();
Ok(locales)
}
/// Load our fluent resource
pub(crate) fn fl_resource() -> Result<FluentResource, nsresult> {
let ftl_template = MENUBAR_FILE.to_owned() + BRANDING_FILE;
let resource = FluentResource::try_new(ftl_template).map_err(|_| nserror::NS_ERROR_FAILURE)?;
Ok(resource)
}