/** PURE_IMPORTS_START tslib,_Subject,_scheduler_async,_Subscriber,_util_isNumeric,_util_isScheduler PURE_IMPORTS_END */
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import * as tslib_1 from "tslib";
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import { Subject } from '../Subject';
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import { async } from '../scheduler/async';
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import { Subscriber } from '../Subscriber';
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import { isNumeric } from '../util/isNumeric';
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import { isScheduler } from '../util/isScheduler';
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export function windowTime(windowTimeSpan) {
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var scheduler = async;
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var windowCreationInterval = null;
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var maxWindowSize = Number.POSITIVE_INFINITY;
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if (isScheduler(arguments[3])) {
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scheduler = arguments[3];
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}
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if (isScheduler(arguments[2])) {
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scheduler = arguments[2];
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}
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else if (isNumeric(arguments[2])) {
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maxWindowSize = Number(arguments[2]);
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}
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if (isScheduler(arguments[1])) {
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scheduler = arguments[1];
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}
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else if (isNumeric(arguments[1])) {
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windowCreationInterval = Number(arguments[1]);
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}
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return function windowTimeOperatorFunction(source) {
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return source.lift(new WindowTimeOperator(windowTimeSpan, windowCreationInterval, maxWindowSize, scheduler));
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};
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}
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var WindowTimeOperator = /*@__PURE__*/ (function () {
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function WindowTimeOperator(windowTimeSpan, windowCreationInterval, maxWindowSize, scheduler) {
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this.windowTimeSpan = windowTimeSpan;
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this.windowCreationInterval = windowCreationInterval;
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this.maxWindowSize = maxWindowSize;
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this.scheduler = scheduler;
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}
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WindowTimeOperator.prototype.call = function (subscriber, source) {
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return source.subscribe(new WindowTimeSubscriber(subscriber, this.windowTimeSpan, this.windowCreationInterval, this.maxWindowSize, this.scheduler));
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};
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return WindowTimeOperator;
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}());
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var CountedSubject = /*@__PURE__*/ (function (_super) {
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tslib_1.__extends(CountedSubject, _super);
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function CountedSubject() {
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var _this = _super !== null && _super.apply(this, arguments) || this;
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_this._numberOfNextedValues = 0;
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return _this;
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}
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CountedSubject.prototype.next = function (value) {
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this._numberOfNextedValues++;
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_super.prototype.next.call(this, value);
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};
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Object.defineProperty(CountedSubject.prototype, "numberOfNextedValues", {
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get: function () {
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return this._numberOfNextedValues;
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},
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enumerable: true,
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configurable: true
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});
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return CountedSubject;
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}(Subject));
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var WindowTimeSubscriber = /*@__PURE__*/ (function (_super) {
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tslib_1.__extends(WindowTimeSubscriber, _super);
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function WindowTimeSubscriber(destination, windowTimeSpan, windowCreationInterval, maxWindowSize, scheduler) {
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var _this = _super.call(this, destination) || this;
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_this.destination = destination;
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_this.windowTimeSpan = windowTimeSpan;
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_this.windowCreationInterval = windowCreationInterval;
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_this.maxWindowSize = maxWindowSize;
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_this.scheduler = scheduler;
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_this.windows = [];
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var window = _this.openWindow();
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if (windowCreationInterval !== null && windowCreationInterval >= 0) {
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var closeState = { subscriber: _this, window: window, context: null };
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var creationState = { windowTimeSpan: windowTimeSpan, windowCreationInterval: windowCreationInterval, subscriber: _this, scheduler: scheduler };
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_this.add(scheduler.schedule(dispatchWindowClose, windowTimeSpan, closeState));
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_this.add(scheduler.schedule(dispatchWindowCreation, windowCreationInterval, creationState));
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}
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else {
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var timeSpanOnlyState = { subscriber: _this, window: window, windowTimeSpan: windowTimeSpan };
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_this.add(scheduler.schedule(dispatchWindowTimeSpanOnly, windowTimeSpan, timeSpanOnlyState));
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}
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return _this;
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}
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WindowTimeSubscriber.prototype._next = function (value) {
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var windows = this.windows;
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var len = windows.length;
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for (var i = 0; i < len; i++) {
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var window_1 = windows[i];
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if (!window_1.closed) {
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window_1.next(value);
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if (window_1.numberOfNextedValues >= this.maxWindowSize) {
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this.closeWindow(window_1);
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}
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}
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}
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};
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WindowTimeSubscriber.prototype._error = function (err) {
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var windows = this.windows;
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while (windows.length > 0) {
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windows.shift().error(err);
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}
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this.destination.error(err);
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};
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WindowTimeSubscriber.prototype._complete = function () {
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var windows = this.windows;
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while (windows.length > 0) {
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var window_2 = windows.shift();
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if (!window_2.closed) {
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window_2.complete();
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}
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}
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this.destination.complete();
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};
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WindowTimeSubscriber.prototype.openWindow = function () {
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var window = new CountedSubject();
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this.windows.push(window);
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var destination = this.destination;
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destination.next(window);
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return window;
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};
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WindowTimeSubscriber.prototype.closeWindow = function (window) {
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window.complete();
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var windows = this.windows;
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windows.splice(windows.indexOf(window), 1);
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};
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return WindowTimeSubscriber;
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}(Subscriber));
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function dispatchWindowTimeSpanOnly(state) {
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var subscriber = state.subscriber, windowTimeSpan = state.windowTimeSpan, window = state.window;
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if (window) {
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subscriber.closeWindow(window);
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}
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state.window = subscriber.openWindow();
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this.schedule(state, windowTimeSpan);
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}
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function dispatchWindowCreation(state) {
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var windowTimeSpan = state.windowTimeSpan, subscriber = state.subscriber, scheduler = state.scheduler, windowCreationInterval = state.windowCreationInterval;
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var window = subscriber.openWindow();
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var action = this;
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var context = { action: action, subscription: null };
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var timeSpanState = { subscriber: subscriber, window: window, context: context };
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context.subscription = scheduler.schedule(dispatchWindowClose, windowTimeSpan, timeSpanState);
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action.add(context.subscription);
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action.schedule(state, windowCreationInterval);
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}
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function dispatchWindowClose(state) {
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var subscriber = state.subscriber, window = state.window, context = state.context;
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if (context && context.action && context.subscription) {
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context.action.remove(context.subscription);
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}
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subscriber.closeWindow(window);
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}
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//# sourceMappingURL=windowTime.js.map
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