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import { Subject } from '../Subject';
import { Subscriber } from '../Subscriber';
import { Subscription } from '../Subscription';
import { Scheduler } from '../Scheduler';
import { TestMessage } from './TestMessage';
import { SubscriptionLog } from './SubscriptionLog';
import { SubscriptionLoggable } from './SubscriptionLoggable';
import { applyMixins } from '../util/applyMixins';
/**
* We need this JSDoc comment for affecting ESDoc.
* @ignore
* @extends {Ignored}
*/
export class HotObservable<T> extends Subject<T> implements SubscriptionLoggable {
public subscriptions: SubscriptionLog[] = [];
scheduler: Scheduler;
logSubscribedFrame: () => number;
logUnsubscribedFrame: (index: number) => void;
constructor(public messages: TestMessage[],
scheduler: Scheduler) {
super();
this.scheduler = scheduler;
}
/** @deprecated This is an internal implementation detail, do not use. */
_subscribe(subscriber: Subscriber<any>): Subscription {
const subject: HotObservable<T> = this;
const index = subject.logSubscribedFrame();
const subscription = new Subscription();
subscription.add(new Subscription(() => {
subject.logUnsubscribedFrame(index);
}));
subscription.add(super._subscribe(subscriber));
return subscription;
}
setup() {
const subject = this;
const messagesLength = subject.messages.length;
/* tslint:disable:no-var-keyword */
for (var i = 0; i < messagesLength; i++) {
(() => {
var message = subject.messages[i];
/* tslint:enable */
subject.scheduler.schedule(
() => { message.notification.observe(subject); },
message.frame
);
})();
}
}
}
applyMixins(HotObservable, [SubscriptionLoggable]);
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