nativescript-akylas-preferences/preferences.ios.js

Common API to allow users to use native (familiar) app settings screens instead of having to craft custom UIs

Object.defineProperty(exports, "__esModule", { value: true });
exports.Preferences = void 0;
var preferences_common_1 = require("./preferences.common");
var app = require("@nativescript/core/application");
var ObserverClass = NSObject.extend({
    observeValueForKeyPathOfObjectChangeContext: function (path) {
        var owner = this.owner;
        if (owner) {
            owner.notify({
                eventName: 'key:' + path,
                object: owner,
            });
        }
    },
}, {});
var Preferences = (function (_super) {
    __extends(Preferences, _super);
    function Preferences() {
        var _this = _super.call(this) || this;
        _this.userDefaults = NSUserDefaults.standardUserDefaults;
        _this.registered = false;
        app.ios.addNotificationObserver(NSUserDefaultsDidChangeNotification, function () {
            _this.notify({
                eventName: 'change',
                object: _this,
            });
        });
        return _this;
    }
    Preferences.prototype.setValue = function (key, value) {
        this.userDefaults.setValueForKey(value, key);
    };
    Preferences.prototype.getValue = function (key) {
        var standardUserDefaults = NSUserDefaults.standardUserDefaults;
        var us = standardUserDefaults.objectForKey(key);
        if (us == null) {
            this.registerDefaultsFromSettingsBundle();
        }
        return this.userDefaults.objectForKey(key);
    };
    Preferences.prototype.onListenerAdded = function (eventName, count) {
        if (eventName.startsWith('key:')) {
            var key = eventName.replace('key:', '');
            if (!this._observer) {
                this._observer = ObserverClass.alloc().init();
                this._observer['owner'] = this;
            }
            this.userDefaults.addObserverForKeyPathOptionsContext(this._observer, key, 1, null);
        }
    };
    Preferences.prototype.onListenerRemoved = function (eventName, count) { };
    Preferences.prototype.openSettings = function () {
        UIApplication.sharedApplication.openURL(NSURL.URLWithString(UIApplicationOpenSettingsURLString));
    };
    Preferences.prototype.clear = function () { };
    Preferences.prototype.registerDefaultsFromSettingsBundle = function () {
        if (this.registered) {
            return;
        }
        this.registered = true;
        var settingsPath = NSBundle.mainBundle.pathForResourceOfType('Settings', 'bundle');
        var settingsBundle = NSString.stringWithString(settingsPath);
        var rootPath = settingsBundle.stringByAppendingPathComponent('Root.plist');
        var settings = NSDictionary.dictionaryWithContentsOfFile(rootPath);
        var preferences = settings.objectForKey('PreferenceSpecifiers');
        var prefs = preferences.count;
        var defaultsToRegister = NSMutableDictionary.alloc().initWithCapacity(prefs);
        for (var i = 0; i < prefs; i++) {
            var prefSpecification = preferences.objectAtIndex(i);
            var key = prefSpecification.objectForKey('Key');
            if (key) {
                defaultsToRegister.setObjectForKey('', key);
            }
        }
        this.userDefaults.registerDefaults(defaultsToRegister);
        this.userDefaults.synchronize();
    };
    return Preferences;
}(preferences_common_1.Common));
exports.Preferences = Preferences;
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