123 lines
4 KiB
JavaScript
123 lines
4 KiB
JavaScript
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import { Subject } from '../Subject';
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import { Subscription } from '../Subscription';
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import { OuterSubscriber } from '../OuterSubscriber';
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import { subscribeToResult } from '../util/subscribeToResult';
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export function windowToggle(openings, closingSelector) {
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return (source) => source.lift(new WindowToggleOperator(openings, closingSelector));
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}
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class WindowToggleOperator {
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constructor(openings, closingSelector) {
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this.openings = openings;
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this.closingSelector = closingSelector;
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}
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call(subscriber, source) {
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return source.subscribe(new WindowToggleSubscriber(subscriber, this.openings, this.closingSelector));
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}
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}
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class WindowToggleSubscriber extends OuterSubscriber {
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constructor(destination, openings, closingSelector) {
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super(destination);
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this.openings = openings;
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this.closingSelector = closingSelector;
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this.contexts = [];
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this.add(this.openSubscription = subscribeToResult(this, openings, openings));
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}
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_next(value) {
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const { contexts } = this;
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if (contexts) {
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const len = contexts.length;
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for (let i = 0; i < len; i++) {
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contexts[i].window.next(value);
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}
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}
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}
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_error(err) {
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const { contexts } = this;
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this.contexts = null;
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if (contexts) {
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const len = contexts.length;
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let index = -1;
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while (++index < len) {
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const context = contexts[index];
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context.window.error(err);
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context.subscription.unsubscribe();
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}
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}
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super._error(err);
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}
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_complete() {
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const { contexts } = this;
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this.contexts = null;
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if (contexts) {
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const len = contexts.length;
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let index = -1;
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while (++index < len) {
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const context = contexts[index];
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context.window.complete();
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context.subscription.unsubscribe();
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}
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}
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super._complete();
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}
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_unsubscribe() {
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const { contexts } = this;
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this.contexts = null;
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if (contexts) {
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const len = contexts.length;
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let index = -1;
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while (++index < len) {
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const context = contexts[index];
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context.window.unsubscribe();
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context.subscription.unsubscribe();
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}
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}
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}
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notifyNext(outerValue, innerValue, outerIndex, innerIndex, innerSub) {
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if (outerValue === this.openings) {
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let closingNotifier;
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try {
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const { closingSelector } = this;
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closingNotifier = closingSelector(innerValue);
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}
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catch (e) {
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return this.error(e);
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}
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const window = new Subject();
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const subscription = new Subscription();
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const context = { window, subscription };
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this.contexts.push(context);
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const innerSubscription = subscribeToResult(this, closingNotifier, context);
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if (innerSubscription.closed) {
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this.closeWindow(this.contexts.length - 1);
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}
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else {
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innerSubscription.context = context;
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subscription.add(innerSubscription);
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}
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this.destination.next(window);
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}
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else {
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this.closeWindow(this.contexts.indexOf(outerValue));
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}
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}
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notifyError(err) {
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this.error(err);
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}
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notifyComplete(inner) {
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if (inner !== this.openSubscription) {
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this.closeWindow(this.contexts.indexOf(inner.context));
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}
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}
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closeWindow(index) {
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if (index === -1) {
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return;
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}
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const { contexts } = this;
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const context = contexts[index];
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const { window, subscription } = context;
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contexts.splice(index, 1);
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window.complete();
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subscription.unsubscribe();
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}
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}
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//# sourceMappingURL=windowToggle.js.map
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