public SettingsViewModel(Func <IDataSource> getGetDataSource, IConnectionListener connectionListener, IPurchase purchase)
{
_getDataSource = getGetDataSource;
_regions = new ObservableCollection <string>(I18nLanguages.Languages);
var videoQuality = new VideoQuality();
_videoQualities = new ObservableCollection <string>(videoQuality.GetQualityNames());
_applicationThemes = new ObservableCollection <ApplicationTheme>(ThemeManager.GetSupportedThemes());
_applicationLanguages = new ObservableCollection <string>(LanguageManager.GetSupportedLanguages());
_navigatioPanelViewModel = new NavigationPanelViewModel(_getDataSource, connectionListener, purchase);
_navigatioPanelViewModel.IsSettingsSelected = true;
_selectedRegion = SettingsHelper.GetRegionName();
_selectedQuality = SettingsHelper.GetQuality();
_selectedApplicationTheme = SettingsHelper.GetTheme();
_selectedLanguage = SettingsHelper.GetLanguage();
_currentLanguage = _selectedLanguage;
_isAutoplayVideo = SettingsHelper.GetIsAutoPlayVideo();
_isLargeItems = SettingsHelper.GetIsLargeItems();
_oldSelectedApplicationTheme = _selectedApplicationTheme;
}