private void update() {
enableListeners(false);
List<LanguageData> languages = TtsPlayer.INSTANCE.refreshLanguages();
mLanguages.clear();
mCurrentLanguage = null;
if (languages.isEmpty()) {
mPrefEnabled.setChecked(false);
mPrefEnabled.setEnabled(false);
mPrefEnabled.setSummary(R.string.pref_tts_unavailable);
mPrefLanguages.setEnabled(false);
mPrefLanguages.setSummary(null);
enableListeners(true);
return;
}
mPrefEnabled.setChecked(TtsPlayer.INSTANCE.isEnabled());
mPrefEnabled.setSummary(null);
final CharSequence[] entries = new CharSequence[languages.size()];
final CharSequence[] values = new CharSequence[languages.size()];
for (int i = 0; i < languages.size(); i++) {
LanguageData lang = languages.get(i);
entries[i] = lang.name;
values[i] = lang.internalCode;
mLanguages.put(lang.internalCode, lang);
}
mPrefLanguages.setEntries(entries);
mPrefLanguages.setEntryValues(values);
mCurrentLanguage = TtsPlayer.getSelectedLanguage(languages);
boolean available = (mCurrentLanguage != null && mCurrentLanguage.downloaded);
mPrefLanguages.setEnabled(available && TtsPlayer.INSTANCE.isEnabled());
mPrefLanguages.setSummary(available ? mCurrentLanguage.name : null);
mPrefLanguages.setValue(available ? mCurrentLanguage.internalCode : null);
mPrefEnabled.setChecked(available && TtsPlayer.INSTANCE.isEnabled());
enableListeners(true);
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
Statistics.INSTANCE.trackEvent(
Statistics.EventName.Settings.VOICE_ENABLED,
Statistics.params().add(Statistics.EventParam.ENABLED, newValue.toString()));
boolean set = (Boolean) newValue;
if (!set) {
TtsPlayer.setEnabled(false);
mPrefLanguages.setEnabled(false);
return true;
}
if (mCurrentLanguage != null && mCurrentLanguage.downloaded) {
setLanguage(mCurrentLanguage);
return true;
}
mPrefLanguages.setEnabled(true);
getPreferenceScreen().onItemClick(null, null, mPrefLanguages.getOrder(), 0);
mPrefLanguages.setEnabled(false);
return false;
}