--- /dev/null
+import { Subject } from '../Subject';
+import { Subscription } from '../Subscription';
+import { OuterSubscriber } from '../OuterSubscriber';
+import { subscribeToResult } from '../util/subscribeToResult';
+export function windowToggle(openings, closingSelector) {
+ return (source) => source.lift(new WindowToggleOperator(openings, closingSelector));
+}
+class WindowToggleOperator {
+ constructor(openings, closingSelector) {
+ this.openings = openings;
+ this.closingSelector = closingSelector;
+ }
+ call(subscriber, source) {
+ return source.subscribe(new WindowToggleSubscriber(subscriber, this.openings, this.closingSelector));
+ }
+}
+class WindowToggleSubscriber extends OuterSubscriber {
+ constructor(destination, openings, closingSelector) {
+ super(destination);
+ this.openings = openings;
+ this.closingSelector = closingSelector;
+ this.contexts = [];
+ this.add(this.openSubscription = subscribeToResult(this, openings, openings));
+ }
+ _next(value) {
+ const { contexts } = this;
+ if (contexts) {
+ const len = contexts.length;
+ for (let i = 0; i < len; i++) {
+ contexts[i].window.next(value);
+ }
+ }
+ }
+ _error(err) {
+ const { contexts } = this;
+ this.contexts = null;
+ if (contexts) {
+ const len = contexts.length;
+ let index = -1;
+ while (++index < len) {
+ const context = contexts[index];
+ context.window.error(err);
+ context.subscription.unsubscribe();
+ }
+ }
+ super._error(err);
+ }
+ _complete() {
+ const { contexts } = this;
+ this.contexts = null;
+ if (contexts) {
+ const len = contexts.length;
+ let index = -1;
+ while (++index < len) {
+ const context = contexts[index];
+ context.window.complete();
+ context.subscription.unsubscribe();
+ }
+ }
+ super._complete();
+ }
+ _unsubscribe() {
+ const { contexts } = this;
+ this.contexts = null;
+ if (contexts) {
+ const len = contexts.length;
+ let index = -1;
+ while (++index < len) {
+ const context = contexts[index];
+ context.window.unsubscribe();
+ context.subscription.unsubscribe();
+ }
+ }
+ }
+ notifyNext(outerValue, innerValue, outerIndex, innerIndex, innerSub) {
+ if (outerValue === this.openings) {
+ let closingNotifier;
+ try {
+ const { closingSelector } = this;
+ closingNotifier = closingSelector(innerValue);
+ }
+ catch (e) {
+ return this.error(e);
+ }
+ const window = new Subject();
+ const subscription = new Subscription();
+ const context = { window, subscription };
+ this.contexts.push(context);
+ const innerSubscription = subscribeToResult(this, closingNotifier, context);
+ if (innerSubscription.closed) {
+ this.closeWindow(this.contexts.length - 1);
+ }
+ else {
+ innerSubscription.context = context;
+ subscription.add(innerSubscription);
+ }
+ this.destination.next(window);
+ }
+ else {
+ this.closeWindow(this.contexts.indexOf(outerValue));
+ }
+ }
+ notifyError(err) {
+ this.error(err);
+ }
+ notifyComplete(inner) {
+ if (inner !== this.openSubscription) {
+ this.closeWindow(this.contexts.indexOf(inner.context));
+ }
+ }
+ closeWindow(index) {
+ if (index === -1) {
+ return;
+ }
+ const { contexts } = this;
+ const context = contexts[index];
+ const { window, subscription } = context;
+ contexts.splice(index, 1);
+ window.complete();
+ subscription.unsubscribe();
+ }
+}
+//# sourceMappingURL=windowToggle.js.map
\ No newline at end of file