[−][src]Trait i18n_embed::LanguageRequester
A trait used by I18nEmbed to ascertain which languages are being requested.
Required methods
fn add_listener(&mut self, localizer: Weak<dyn Localizer<'a>>)
Add a listener to this LanguageRequester
. When the system
reports that the currently requested languages has changed,
each listener will have its
Localizer#select() method called.
If you haven't already selected a language for the localizer you are adding here, you may want to manually call #poll() after adding the listener/s.
fn poll(&mut self) -> Result<(), I18nEmbedError>
Poll the system's currently selected language, and call Localizer#select() on each of the listeners.
fn set_language_override(
&mut self,
language_override: Option<LanguageIdentifier>
) -> Result<(), I18nEmbedError>
&mut self,
language_override: Option<LanguageIdentifier>
) -> Result<(), I18nEmbedError>
Override the languages fed to the Localizer listeners during
a #poll(). Set this as None
to disable the override.
fn requested_languages(&self) -> Vec<LanguageIdentifier>
The currently requested languages.
fn available_languages(&self) -> Result<Vec<LanguageIdentifier>, I18nEmbedError>
The languages reported to be available in the listener Localizers.
fn current_languages(&self) -> HashMap<&'static str, LanguageIdentifier>
The languages currently loaded, keyed by the LanguageLoader::domain().
Implementors
impl<'a> LanguageRequester<'a> for DesktopLanguageRequester<'a>
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fn requested_languages(&self) -> Vec<LanguageIdentifier>
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fn add_listener(&mut self, localizer: Weak<dyn Localizer<'a>>)
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fn set_language_override(
&mut self,
language_override: Option<LanguageIdentifier>
) -> Result<(), I18nEmbedError>
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&mut self,
language_override: Option<LanguageIdentifier>
) -> Result<(), I18nEmbedError>
fn poll(&mut self) -> Result<(), I18nEmbedError>
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fn available_languages(&self) -> Result<Vec<LanguageIdentifier>, I18nEmbedError>
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fn current_languages(&self) -> HashMap<&'static str, LanguageIdentifier>
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impl<'a> LanguageRequester<'a> for WebLanguageRequester<'a>
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fn requested_languages(&self) -> Vec<LanguageIdentifier>
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fn add_listener(&mut self, localizer: Weak<dyn Localizer<'a>>)
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fn poll(&mut self) -> Result<(), I18nEmbedError>
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fn set_language_override(
&mut self,
language_override: Option<LanguageIdentifier>
) -> Result<(), I18nEmbedError>
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&mut self,
language_override: Option<LanguageIdentifier>
) -> Result<(), I18nEmbedError>