import { Observable } from '../Observable';
|
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';
|
import { Subscriber } from '../Subscriber';
|
|
/**
|
* We need this JSDoc comment for affecting ESDoc.
|
* @ignore
|
* @extends {Ignored}
|
*/
|
export class ColdObservable<T> extends Observable<T> implements SubscriptionLoggable {
|
public subscriptions: SubscriptionLog[] = [];
|
scheduler: Scheduler;
|
logSubscribedFrame: () => number;
|
logUnsubscribedFrame: (index: number) => void;
|
|
constructor(public messages: TestMessage[],
|
scheduler: Scheduler) {
|
super(function (this: Observable<T>, subscriber: Subscriber<any>) {
|
const observable: ColdObservable<T> = this as any;
|
const index = observable.logSubscribedFrame();
|
const subscription = new Subscription();
|
subscription.add(new Subscription(() => {
|
observable.logUnsubscribedFrame(index);
|
}));
|
observable.scheduleMessages(subscriber);
|
return subscription;
|
});
|
this.scheduler = scheduler;
|
}
|
|
scheduleMessages(subscriber: Subscriber<any>) {
|
const messagesLength = this.messages.length;
|
for (let i = 0; i < messagesLength; i++) {
|
const message = this.messages[i];
|
subscriber.add(
|
this.scheduler.schedule(({ message, subscriber }) => { message.notification.observe(subscriber); },
|
message.frame,
|
{ message, subscriber })
|
);
|
}
|
}
|
}
|
applyMixins(ColdObservable, [SubscriptionLoggable]);
|
