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"use strict";
var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var Subject_1 = require('../Subject');
var tryCatch_1 = require('../util/tryCatch');
var errorObject_1 = require('../util/errorObject');
var OuterSubscriber_1 = require('../OuterSubscriber');
var subscribeToResult_1 = require('../util/subscribeToResult');
/**
 * Returns an Observable that mirrors the source Observable with the exception of a `complete`. If the source
 * Observable calls `complete`, this method will emit to the Observable returned from `notifier`. If that Observable
 * calls `complete` or `error`, then this method will call `complete` or `error` on the child subscription. Otherwise
 * this method will resubscribe to the source Observable.
 *
 * <img src="./img/repeatWhen.png" width="100%">
 *
 * @param {function(notifications: Observable): Observable} notifier - Receives an Observable of notifications with
 * which a user can `complete` or `error`, aborting the repetition.
 * @return {Observable} The source Observable modified with repeat logic.
 * @method repeatWhen
 * @owner Observable
 */
function repeatWhen(notifier) {
    return function (source) { return source.lift(new RepeatWhenOperator(notifier)); };
}
exports.repeatWhen = repeatWhen;
var RepeatWhenOperator = (function () {
    function RepeatWhenOperator(notifier) {
        this.notifier = notifier;
    }
    RepeatWhenOperator.prototype.call = function (subscriber, source) {
        return source.subscribe(new RepeatWhenSubscriber(subscriber, this.notifier, source));
    };
    return RepeatWhenOperator;
}());
/**
 * We need this JSDoc comment for affecting ESDoc.
 * @ignore
 * @extends {Ignored}
 */
var RepeatWhenSubscriber = (function (_super) {
    __extends(RepeatWhenSubscriber, _super);
    function RepeatWhenSubscriber(destination, notifier, source) {
        _super.call(this, destination);
        this.notifier = notifier;
        this.source = source;
        this.sourceIsBeingSubscribedTo = true;
    }
    RepeatWhenSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
        this.sourceIsBeingSubscribedTo = true;
        this.source.subscribe(this);
    };
    RepeatWhenSubscriber.prototype.notifyComplete = function (innerSub) {
        if (this.sourceIsBeingSubscribedTo === false) {
            return _super.prototype.complete.call(this);
        }
    };
    RepeatWhenSubscriber.prototype.complete = function () {
        this.sourceIsBeingSubscribedTo = false;
        if (!this.isStopped) {
            if (!this.retries) {
                this.subscribeToRetries();
            }
            if (!this.retriesSubscription || this.retriesSubscription.closed) {
                return _super.prototype.complete.call(this);
            }
            this._unsubscribeAndRecycle();
            this.notifications.next();
        }
    };
    /** @deprecated internal use only */ RepeatWhenSubscriber.prototype._unsubscribe = function () {
        var _a = this, notifications = _a.notifications, retriesSubscription = _a.retriesSubscription;
        if (notifications) {
            notifications.unsubscribe();
            this.notifications = null;
        }
        if (retriesSubscription) {
            retriesSubscription.unsubscribe();
            this.retriesSubscription = null;
        }
        this.retries = null;
    };
    /** @deprecated internal use only */ RepeatWhenSubscriber.prototype._unsubscribeAndRecycle = function () {
        var _a = this, notifications = _a.notifications, retries = _a.retries, retriesSubscription = _a.retriesSubscription;
        this.notifications = null;
        this.retries = null;
        this.retriesSubscription = null;
        _super.prototype._unsubscribeAndRecycle.call(this);
        this.notifications = notifications;
        this.retries = retries;
        this.retriesSubscription = retriesSubscription;
        return this;
    };
    RepeatWhenSubscriber.prototype.subscribeToRetries = function () {
        this.notifications = new Subject_1.Subject();
        var retries = tryCatch_1.tryCatch(this.notifier)(this.notifications);
        if (retries === errorObject_1.errorObject) {
            return _super.prototype.complete.call(this);
        }
        this.retries = retries;
        this.retriesSubscription = subscribeToResult_1.subscribeToResult(this, retries);
    };
    return RepeatWhenSubscriber;
}(OuterSubscriber_1.OuterSubscriber));
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