text: "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 Subscriber_1 = require('../Subscriber');
  var Notification_1 = require('../Notification');
  /**
   *
   * Re-emits all notifications from source Observable with specified scheduler.
   *
   * <span class="informal">Ensure a specific scheduler is used, from outside of an Observable.</span>
   *
   * `observeOn` is an operator that accepts a scheduler as a first parameter, which will be used to reschedule
   * notifications emitted by the source Observable. It might be useful, if you do not have control over
   * internal scheduler of a given Observable, but want to control when its values are emitted nevertheless.
   *
   * Returned Observable emits the same notifications (nexted values, complete and error events) as the source Observable,
   * but rescheduled with provided scheduler. Note that this doesn't mean that source Observables internal
   * scheduler will be replaced in any way. Original scheduler still will be used, but when the source Observable emits
   * notification, it will be immediately scheduled again - this time with scheduler passed to `observeOn`.
   * An anti-pattern would be calling `observeOn` on Observable that emits lots of values synchronously, to split
   * that emissions into asynchronous chunks. For this to happen, scheduler would have to be passed into the source
   * Observable directly (usually into the operator that creates it). `observeOn` simply delays notifications a
   * little bit more, to ensure that they are emitted at expected moments.
   *
   * As a matter of fact, `observeOn` accepts second parameter, which specifies in milliseconds with what delay notifications
   * will be emitted. The main difference between {@link delay} operator and `observeOn` is that `observeOn`
   * will delay all notifications - including error notifications - while `delay` will pass through error
   * from source Observable immediately when it is emitted. In general it is highly recommended to use `delay` operator
   * for any kind of delaying of values in the stream, while using `observeOn` to specify which scheduler should be used
   * for notification emissions in general.
   *
   * @example <caption>Ensure values in subscribe are called just before browser repaint.</caption>
   * const intervals = Rx.Observable.interval(10); // Intervals are scheduled
   *                                               // with async scheduler by default...
   *
   * intervals
   * .observeOn(Rx.Scheduler.animationFrame)       // ...but we will observe on animationFrame
   * .subscribe(val => {                           // scheduler to ensure smooth animation.
   *   someDiv.style.height = val + 'px';
   * });
   *
   * @see {@link delay}
   *
   * @param {IScheduler} scheduler Scheduler that will be used to reschedule notifications from source Observable.
   * @param {number} [delay] Number of milliseconds that states with what delay every notification should be rescheduled.
   * @return {Observable<T>} Observable that emits the same notifications as the source Observable,
   * but with provided scheduler.
   *
   * @method observeOn
   * @owner Observable
   */
  function observeOn(scheduler, delay) {
      if (delay === void 0) { delay = 0; }
      return this.lift(new ObserveOnOperator(scheduler, delay));
  }
  exports.observeOn = observeOn;
  var ObserveOnOperator = (function () {
      function ObserveOnOperator(scheduler, delay) {
          if (delay === void 0) { delay = 0; }
          this.scheduler = scheduler;
          this.delay = delay;
      }
      ObserveOnOperator.prototype.call = function (subscriber, source) {
          return source.subscribe(new ObserveOnSubscriber(subscriber, this.scheduler, this.delay));
      };
      return ObserveOnOperator;
  }());
  exports.ObserveOnOperator = ObserveOnOperator;
  /**
   * We need this JSDoc comment for affecting ESDoc.
   * @ignore
   * @extends {Ignored}
   */
  var ObserveOnSubscriber = (function (_super) {
      __extends(ObserveOnSubscriber, _super);
      function ObserveOnSubscriber(destination, scheduler, delay) {
          if (delay === void 0) { delay = 0; }
          _super.call(this, destination);
          this.scheduler = scheduler;
          this.delay = delay;
      }
      ObserveOnSubscriber.dispatch = function (arg) {
          var notification = arg.notification, destination = arg.destination;
          notification.observe(destination);
          this.unsubscribe();
      };
      ObserveOnSubscriber.prototype.scheduleMessage = function (notification) {
          this.add(this.scheduler.schedule(ObserveOnSubscriber.dispatch, this.delay, new ObserveOnMessage(notification, this.destination)));
      };
      ObserveOnSubscriber.prototype._next = function (value) {
          this.scheduleMessage(Notification_1.Notification.createNext(value));
      };
      ObserveOnSubscriber.prototype._error = function (err) {
          this.scheduleMessage(Notification_1.Notification.createError(err));
      };
      ObserveOnSubscriber.prototype._complete = function () {
          this.scheduleMessage(Notification_1.Notification.createComplete());
      };
      return ObserveOnSubscriber;
  }(Subscriber_1.Subscriber));
  exports.ObserveOnSubscriber = ObserveOnSubscriber;
  var ObserveOnMessage = (function () {
      function ObserveOnMessage(notification, destination) {
          this.notification = notification;
          this.destination = destination;
      }
      return ObserveOnMessage;
  }());
  exports.ObserveOnMessage = ObserveOnMessage;
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