func (lang *LangSelector) SetLocale(locale string) error {
if lang.LocaleState == LocaleStateChanging {
return nil
}
if len(locale) == 0 || !language_info.IsLocaleValid(locale,
language_info.LanguageListFile) {
return fmt.Errorf("Invalid locale: %v", locale)
}
if lang.lhelper == nil {
return fmt.Errorf("LocaleHelper object is nil")
}
if lang.CurrentLocale == locale {
return nil
}
go func() {
lang.LocaleState = LocaleStateChanging
lang.setPropCurrentLocale(locale)
if ok, _ := isNetworkEnable(); !ok {
err := sendNotify("", "",
Tr("System language is being changed, please wait..."))
if err != nil {
lang.logger.Warning("sendNotify failed:", err)
}
} else {
err := sendNotify("", "",
Tr("System language is being changed with an installation of lacked language packages, please wait..."))
if err != nil {
lang.logger.Warning("sendNotify failed:", err)
}
}
err := lang.lhelper.GenerateLocale(locale)
if err != nil {
lang.logger.Warning("GenerateLocale failed:", err)
lang.LocaleState = LocaleStateChanged
}
}()
return nil
}
func getLocale() string {
filename := path.Join(os.Getenv("HOME"), userLocaleFilePAM)
locale, err := getLocaleFromFile(filename)
if err != nil || len(locale) == 0 {
locale, err = getLocaleFromFile(systemLocaleFile)
if err != nil || len(locale) == 0 {
locale = defaultLocale
}
writeUserLocale(locale)
}
if !language_info.IsLocaleValid(locale,
language_info.LanguageListFile) {
locale = defaultLocale
writeUserLocale(locale)
}
return locale
}