Struct i18n_embed::LanguageRequesterImpl

pub struct LanguageRequesterImpl { /* fields omitted */ }

Provide the functionality for overrides and listeners for a LanguageRequester implementation.

Implementations

impl LanguageRequesterImpl

pub fn new() -> LanguageRequesterImpl

Create a new LanguageRequesterImpl.

pub fn set_language_override(
    &mut self,
    language_override: Option<LanguageIdentifier>
) -> Result<(), I18nEmbedError>

Set an override for the requested language which is used when the LanguageRequesterImpl#poll() method is called. If None, then no override is used.

pub fn add_listener(&mut self, localizer: Weak<dyn Localizer>)

Add a weak reference to a Localizer, which listens to changes to the current language.

pub fn poll_without_override(
    &mut self,
    requested_languages: Vec<LanguageIdentifier>
) -> Result<(), I18nEmbedError>

With the provided requested_languages call Localizer#select() on each of the listeners.

pub fn poll(
    &mut self,
    requested_languages: Vec<LanguageIdentifier>
) -> Result<(), I18nEmbedError>

With the provided requested_languages call Localizer#select() on each of the listeners. The requested_languages may be ignored if #set_language_override() has been set.

pub fn available_languages(
    &self
) -> Result<Vec<LanguageIdentifier>, I18nEmbedError>

The languages reported to be available in the listener Localizers.

pub fn current_languages(&self) -> HashMap<String, LanguageIdentifier>

Gets a HashMap with what each language is currently set (value) per domain (key).

Trait Implementations

impl Debug for LanguageRequesterImpl

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for LanguageRequesterImpl

fn default() -> Self

Returns the "default value" for a type.