ngx-audio-player/esm2015/lib/service/audio-player-service/audio-player.service.js

[](https://www.npmjs.com/package/ngx-audio-player) [](https://www.npmjs.com/package/ngx-audio-player) [![licence](h

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
import { Injectable } from '@angular/core';
import { BehaviorSubject } from 'rxjs';
export class AudioPlayerService {
    constructor() {
        this.playlist = [];
        this.indexSong = 0;
        this.currentTrack = new BehaviorSubject(this.playlist[this.indexSong]);
        this.currentTime = 0;
        this.duration = 0;
    }
    ;
    /**
     * @return {?}
     */
    init() {
        this.updateCurrentSong();
    }
    ;
    /**
     * @return {?}
     */
    nextSong() {
        if ((this.indexSong + 1) >= this.playlist.length) {
            this.indexSong = 0;
        }
        else {
            this.indexSong++;
        }
        this.updateCurrentSong();
    }
    ;
    /**
     * @return {?}
     */
    previousSong() {
        if ((this.indexSong - 1) < 0) {
            this.indexSong = (this.playlist.length - 1);
        }
        else {
            this.indexSong--;
        }
        this.updateCurrentSong();
    }
    ;
    /**
     * @return {?}
     */
    resetPlaylist() {
        this.indexSong = 0;
        this.updateCurrentSong();
    }
    ;
    /**
     * @param {?} index
     * @return {?}
     */
    selectATrack(index) {
        this.indexSong = index - 1;
        this.updateCurrentSong();
    }
    ;
    /**
     * @return {?}
     */
    updateCurrentSong() {
        /** @type {?} */
        let current = this.playlist[this.indexSong];
        /** @type {?} */
        let previous = ((this.indexSong - 1) >= 0) ? this.playlist[this.indexSong - 1] : this.playlist[this.playlist.length - 1];
        /** @type {?} */
        let next = ((this.indexSong + 1) >= this.playlist.length) ? this.playlist[0] : this.playlist[this.indexSong + 1];
        this.currentTrack.next([
            previous,
            current,
            next
        ]);
    }
    ;
    /**
     * @return {?}
     */
    getSubjectCurrentTrack() {
        return this.currentTrack;
    }
    ;
    /**
     * @return {?}
     */
    getPlaylist() {
        return this.playlist;
    }
    ;
    /**
     * @param {?} playlist
     * @return {?}
     */
    setPlaylist(playlist) {
        this.playlist = playlist;
    }
    /**
     * @return {?}
     */
    getIndexSong() {
        return this.indexSong;
    }
}
AudioPlayerService.decorators = [
    { type: Injectable }
];
/** @nocollapse */
AudioPlayerService.ctorParameters = () => [];
if (false) {
    /** @type {?} */
    AudioPlayerService.prototype.playlist;
    /** @type {?} */
    AudioPlayerService.prototype.indexSong;
    /** @type {?} */
    AudioPlayerService.prototype.currentTrack;
    /** @type {?} */
    AudioPlayerService.prototype.currentTime;
    /** @type {?} */
    AudioPlayerService.prototype.duration;
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}
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dldFN1YmplY3RDdXJyZW50VHJhY2soKTogQmVoYXZpb3JTdWJqZWN0PHt9PiB7XG4gICAgcmV0dXJuIHRoaXMuY3VycmVudFRyYWNrO1xuICB9O1xuXG4gIGdldFBsYXlsaXN0KCk6IFRyYWNrW10ge1xuICAgIHJldHVybiB0aGlzLnBsYXlsaXN0O1xuICB9O1xuXG4gIHNldFBsYXlsaXN0KHBsYXlsaXN0OiBUcmFja1tdKSB7XG4gICAgdGhpcy5wbGF5bGlzdCA9IHBsYXlsaXN0O1xuICB9XG5cbiAgZ2V0SW5kZXhTb25nICgpIHtcbiAgICByZXR1cm4gdGhpcy5pbmRleFNvbmc7XG4gIH1cbn0iXX0=