@nebular/theme
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@nebular/theme
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var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { Injectable } from '@angular/core';
import { Observable, Subject } from 'rxjs';
import { share } from 'rxjs/operators';
/**
* Layout scroll service. Provides information about current scroll position,
* as well as methods to update position of the scroll.
*
* The reason we added this service is that in Nebular there are two scroll modes:
* - the default mode when scroll is on body
* - and the `withScroll` mode, when scroll is removed from the body and moved to an element inside of the
* `nb-layout` component
*/
let NbLayoutScrollService = class NbLayoutScrollService {
/**
* Layout scroll service. Provides information about current scroll position,
* as well as methods to update position of the scroll.
*
* The reason we added this service is that in Nebular there are two scroll modes:
* - the default mode when scroll is on body
* - and the `withScroll` mode, when scroll is removed from the body and moved to an element inside of the
* `nb-layout` component
*/
constructor() {
this.scrollPositionReq$ = new Subject();
this.manualScroll$ = new Subject();
this.scroll$ = new Subject();
this.scrollable$ = new Subject();
}
/**
* Returns scroll position
*
* @returns {Observable<NbScrollPosition>}
*/
getPosition() {
return Observable.create((observer) => {
const listener = new Subject();
listener.subscribe(observer);
this.scrollPositionReq$.next({ listener });
return () => listener.complete();
});
}
/**
* Sets scroll position
*
* @param {number} x
* @param {number} y
*/
scrollTo(x = null, y = null) {
this.manualScroll$.next({ x, y });
}
/**
* Returns a stream of scroll events
*
* @returns {Observable<any>}
*/
onScroll() {
return this.scroll$.pipe(share());
}
/**
* @private
* @returns Observable<NbScrollPosition>.
*/
onManualScroll() {
return this.manualScroll$.pipe(share());
}
/**
* @private
* @returns {Subject<any>}
*/
onGetPosition() {
return this.scrollPositionReq$;
}
onScrollableChange() {
return this.scrollable$.pipe(share());
}
/**
* @private
* @param {any} event
*/
fireScrollChange(event) {
this.scroll$.next(event);
}
scrollable(scrollable) {
this.scrollable$.next(scrollable);
}
};
NbLayoutScrollService = __decorate([
Injectable()
], NbLayoutScrollService);
export { NbLayoutScrollService };
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