Class SettingsController

src/controller/settings.tsx:23–81

@singleton()
export class SettingsController
    extends Controller
    implements ISettingsController
{
    private readonly editorService: IEditorService;
    private readonly settingsService: ISettingsService;
    private readonly localeService: ILocaleService;
    private readonly notificationService: INotificationService;
    private readonly builtinService: IBuiltinService;

    constructor() {
        super();
        this.editorService = container.resolve(EditorService);
        this.settingsService = container.resolve(SettingsService);
        this.localeService = container.resolve(LocaleService);
        this.notificationService = container.resolve(NotificationService);
        this.builtinService = container.resolve(BuiltinService);
    }

    /**
     * Delay the each Settings change event 600 milliseconds,
     * and then call the `update` and `emit` functions;
     */
    private onChangeSettings = debounce((args) => {
        this.settingsService.update(args);
        this.emit(SettingsEvent.OnChange, args);
    }, 600);

    public initView() {
        const { SETTING_ID } = this.builtinService.getConstants();
        this.editorService.onUpdateTab((tab) => {
            if (tab.id === SETTING_ID) {
                const settingsValue = this.settingsService.normalizeFlatObject(
                    tab.data?.value || ''
                );
                this.onChangeSettings(settingsValue);
            }
        });
        this.localeService.onChange((prev: ILocale, next: ILocale) => {
            this.notifyLocaleChanged(prev, next);
        });
    }

    private notifyLocaleChanged(prev: ILocale, next: ILocale) {
        const { SETTING_ID } = this.builtinService.getConstants();
        const notify = {
            id: SETTING_ID!,
            value: next,
            render(value) {
                /* istanbul ignore next */
                return <LocaleNotification key={next.id} locale={next.name} />;
            },
        };
        if (!this.notificationService.getState().showNotifications) {
            this.notificationService.toggleNotification();
        }
        this.notificationService.add([notify]);
    }