import { Subject } from '../Subject';
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import { Subscriber } from '../Subscriber';
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import { Subscription } from '../Subscription';
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import { Scheduler } from '../Scheduler';
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import { TestMessage } from './TestMessage';
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import { SubscriptionLog } from './SubscriptionLog';
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import { SubscriptionLoggable } from './SubscriptionLoggable';
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import { applyMixins } from '../util/applyMixins';
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import { observeNotification } from '../Notification';
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export class HotObservable<T> extends Subject<T> implements SubscriptionLoggable {
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public subscriptions: SubscriptionLog[] = [];
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scheduler: Scheduler;
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// @ts-ignore: Property has no initializer and is not definitely assigned
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logSubscribedFrame: () => number;
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// @ts-ignore: Property has no initializer and is not definitely assigned
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logUnsubscribedFrame: (index: number) => void;
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constructor(public messages: TestMessage[], scheduler: Scheduler) {
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super();
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this.scheduler = scheduler;
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}
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/** @internal */
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protected _subscribe(subscriber: Subscriber<any>): Subscription {
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const subject: HotObservable<T> = this;
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const index = subject.logSubscribedFrame();
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const subscription = new Subscription();
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subscription.add(
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new Subscription(() => {
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subject.logUnsubscribedFrame(index);
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})
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);
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subscription.add(super._subscribe(subscriber));
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return subscription;
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}
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setup() {
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const subject = this;
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const messagesLength = subject.messages.length;
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/* tslint:disable:no-var-keyword */
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for (let i = 0; i < messagesLength; i++) {
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(() => {
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const { notification, frame } = subject.messages[i];
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/* tslint:enable */
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subject.scheduler.schedule(() => {
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observeNotification(notification, subject);
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}, frame);
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})();
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}
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}
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}
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applyMixins(HotObservable, [SubscriptionLoggable]);
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