1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 | 1 1 1 1 11 11 11 1 11 11 11 1 11 1 1 11 11 11 11 11 11 11 10 10 10 10 10 1 1 1 1 43 43 43 38 1 2 2 1 2 1 5 5 5 5 1 24 24 24 24 24 24 1 14 14 14 1 1 2 2 2 2 2 1 11 11 11 11 11 11 11 11 1 14 8 14 | import {Operator} from '../Operator'; import {Subscriber} from '../Subscriber'; import {Observable} from '../Observable'; import {Subject} from '../Subject'; import {Scheduler} from '../Scheduler'; import {Action} from '../scheduler/Action'; import {asap} from '../scheduler/asap'; export function windowTime<T>(windowTimeSpan: number, IwindowCreationInterval: number = null, Ischeduler: Scheduler = asap): Observable<Observable<T>> { return this.lift(new WindowTimeOperator(windowTimeSpan, windowCreationInterval, scheduler)); } class WindowTimeOperator<T> implements Operator<T, Observable<T>> { constructor(private windowTimeSpan: number, private windowCreationInterval: number, private scheduler: Scheduler) { } call(subscriber: Subscriber<Observable<T>>): Subscriber<T> { return new WindowTimeSubscriber( subscriber, this.windowTimeSpan, this.windowCreationInterval, this.scheduler ); } } class WindowTimeSubscriber<T> extends Subscriber<T> { private windows: Subject<T>[] = []; constructor(protected destination: Subscriber<Observable<T>>, private windowTimeSpan: number, private windowCreationInterval: number, private scheduler: Scheduler) { super(destination); if (windowCreationInterval !== null && windowCreationInterval >= 0) { let window = this.openWindow(); const closeState = { subscriber: this, window, context: <any>null }; const creationState = { windowTimeSpan, windowCreationInterval, subscriber: this, scheduler }; this.add(scheduler.schedule(dispatchWindowClose, windowTimeSpan, closeState)); this.add(scheduler.schedule(dispatchWindowCreation, windowCreationInterval, creationState)); } else { let window = this.openWindow(); const timeSpanOnlyState = { subscriber: this, window, windowTimeSpan }; this.add(scheduler.schedule(dispatchWindowTimeSpanOnly, windowTimeSpan, timeSpanOnlyState)); } } protected _next(value: T) { const windows = this.windows; const len = windows.length; for (let i = 0; i < len; i++) { windows[i].next(value); } } protected _error(err: any) { const windows = this.windows; while (windows.length > 0) { windows.shift().error(err); } this.destination.error(err); } protected _complete() { const windows = this.windows; while (windows.length > 0) { windows.shift().complete(); } this.destination.complete(); } openWindow(): Subject<T> { const window = new Subject<T>(); this.windows.push(window); const destination = this.destination; destination.add(window); destination.next(window); return window; } closeWindow(window: Subject<T>) { window.complete(); const windows = this.windows; windows.splice(windows.indexOf(window), 1); } } interface TimeSpanOnlyState<T> { window: Subject<any>; windowTimeSpan: number; subscriber: WindowTimeSubscriber<T>; } function dispatchWindowTimeSpanOnly<T>(state: TimeSpanOnlyState<T>) { const { subscriber, windowTimeSpan, window } = state; Eif (window) { window.complete(); } state.window = subscriber.openWindow(); (<any>this).schedule(state, windowTimeSpan); } function dispatchWindowCreation(state: any) { let { windowTimeSpan, subscriber, scheduler, windowCreationInterval } = state; let window = subscriber.openWindow(); let action = <Action>this; let context = { action, subscription: <any>null }; const timeSpanState = { subscriber, window, context }; context.subscription = scheduler.schedule(dispatchWindowClose, windowTimeSpan, timeSpanState); action.add(context.subscription); action.schedule(state, windowCreationInterval); } function dispatchWindowClose({ subscriber, window, context }) { if (context && context.action && context.subscription) { context.action.remove(context.subscription); } subscriber.closeWindow(window); } |