APlayer/src/js/player.js

492 lines
15 KiB
JavaScript

import Promise from 'promise-polyfill';
import utils from './utils';
import Icons from './icons';
import handleOption from './options';
import Template from './template';
import Bar from './bar';
import Storage from './storage';
import Lrc from './lrc';
import Controller from './controller';
import Timer from './timer';
import Events from './events';
import List from './list';
const instances = [];
class APlayer {
/**
* APlayer constructor function
*
* @param {Object} options - See README
* @constructor
*/
constructor(options) {
this.options = handleOption(options);
this.container = this.options.container;
this.paused = true;
this.playedPromise = Promise.resolve();
this.mode = 'normal';
this.randomOrder = utils.randomOrder(this.options.audio.length);
this.container.classList.add('aplayer');
if (this.options.lrcType && !this.options.fixed) {
this.container.classList.add('aplayer-withlrc');
}
if (this.options.audio.length > 1) {
this.container.classList.add('aplayer-withlist');
}
if (utils.isMobile) {
this.container.classList.add('aplayer-mobile');
}
this.arrow = this.container.offsetWidth <= 300;
if (this.arrow) {
this.container.classList.add('aplayer-arrow');
}
// save lrc
if (this.options.lrcType === 2 || this.options.lrcType === true) {
const lrcEle = this.container.getElementsByClassName('aplayer-lrc-content');
for (let i = 0; i < lrcEle.length; i++) {
if (this.options.audio[i]) {
this.options.audio[i].lrc = lrcEle[i].innerHTML;
}
}
}
this.template = new Template({
container: this.container,
options: this.options,
randomOrder: this.randomOrder,
});
if (this.options.fixed) {
this.container.classList.add('aplayer-fixed');
this.template.body.style.width = this.template.body.offsetWidth - 18 + 'px';
}
if (this.options.mini) {
this.setMode('mini');
this.template.info.style.display = 'block';
}
if (this.template.info.offsetWidth < 200) {
this.template.time.classList.add('aplayer-time-narrow');
}
if (this.options.lrcType) {
this.lrc = new Lrc({
container: this.template.lrc,
async: this.options.lrcType === 3,
player: this,
});
}
this.events = new Events();
this.storage = new Storage(this);
this.bar = new Bar(this.template);
this.controller = new Controller(this);
this.timer = new Timer(this);
this.list = new List(this);
this.initAudio();
this.bindEvents();
if (this.options.order === 'random') {
this.list.switch(this.randomOrder[0]);
} else {
this.list.switch(0);
}
// autoplay
if (this.options.autoplay) {
this.play();
}
instances.push(this);
}
initAudio() {
this.audio = document.createElement('audio');
this.audio.preload = this.options.preload;
for (let i = 0; i < this.events.audioEvents.length; i++) {
this.audio.addEventListener(this.events.audioEvents[i], (e) => {
this.events.trigger(this.events.audioEvents[i], e);
});
}
this.volume(this.storage.get('volume'), true);
}
bindEvents() {
this.on('play', () => {
if (this.paused) {
this.setUIPlaying();
}
});
this.on('pause', () => {
if (!this.paused) {
this.setUIPaused();
}
});
this.on('timeupdate', () => {
if (!this.disableTimeupdate) {
this.bar.set('played', this.audio.currentTime / this.duration, 'width');
this.lrc && this.lrc.update();
const currentTime = utils.secondToTime(this.audio.currentTime);
if (this.template.ptime.innerHTML !== currentTime) {
this.template.ptime.innerHTML = currentTime;
}
}
});
// show audio time: the metadata has loaded or changed
this.on('durationchange', () => {
if (this.duration !== 1) {
// compatibility: Android browsers will output 1 at first
this.template.dtime.innerHTML = utils.secondToTime(this.duration);
}
});
// Can seek now
this.on('loadedmetadata', () => {
this.seek(0);
if (!this.paused) {
this.audio.play();
}
});
// show audio loaded bar: to inform interested parties of progress downloading the media
this.on('canplay', () => {
const percentage = this.audio.buffered.length ? this.audio.buffered.end(this.audio.buffered.length - 1) / this.duration : 0;
this.bar.set('loaded', percentage, 'width');
});
this.on('progress', () => {
const percentage = this.audio.buffered.length ? this.audio.buffered.end(this.audio.buffered.length - 1) / this.duration : 0;
this.bar.set('loaded', percentage, 'width');
});
// audio download error: an error occurs
let skipTime;
this.on('error', () => {
if (this.list.audios.length > 1) {
this.notice('An audio error has occurred, player will skip forward in 2 seconds.');
skipTime = setTimeout(() => {
this.skipForward();
if (!this.paused) {
this.play();
}
}, 2000);
} else if (this.list.audios.length === 1) {
this.notice('An audio error has occurred.');
}
});
this.events.on('listswitch', () => {
skipTime && clearTimeout(skipTime);
});
// multiple audio play
this.on('ended', () => {
if (this.options.loop === 'none') {
if (this.options.order === 'list') {
if (this.list.index < this.list.audios.length - 1) {
this.list.switch((this.list.index + 1) % this.list.audios.length);
this.play();
} else {
this.list.switch((this.list.index + 1) % this.list.audios.length);
this.pause();
}
} else if (this.options.order === 'random') {
if (this.randomOrder.indexOf(this.list.index) < this.randomOrder.length - 1) {
this.list.switch(this.nextIndex());
this.play();
} else {
this.list.switch(this.nextIndex());
this.pause();
}
}
} else if (this.options.loop === 'one') {
this.list.switch(this.list.index);
this.play();
} else if (this.options.loop === 'all') {
this.skipForward();
this.play();
}
});
}
setAudio(audio) {
if (this.hls) {
this.hls.destroy();
this.hls = null;
}
let type = audio.type;
if (this.options.customAudioType && this.options.customAudioType[type]) {
if (Object.prototype.toString.call(this.options.customAudioType[type]) === '[object Function]') {
this.options.customAudioType[type](this.audio, audio, this);
} else {
console.error(`Illegal customType: ${type}`);
}
} else {
if (!type || type === 'auto') {
if (/m3u8(#|\?|$)/i.exec(audio.url)) {
type = 'hls';
} else {
type = 'normal';
}
}
if (type === 'hls') {
if (window.Hls.isSupported()) {
this.hls = new window.Hls();
this.hls.loadSource(audio.url);
this.hls.attachMedia(this.audio);
} else if (this.audio.canPlayType('application/x-mpegURL') || this.audio.canPlayType('application/vnd.apple.mpegURL')) {
this.audio.src = audio.url;
} else {
this.notice('Error: HLS is not supported.');
}
} else if (type === 'normal') {
this.audio.src = audio.url;
}
}
}
theme(color = this.list.audios[this.list.index].theme || this.options.theme, index = this.list.index, isReset = true) {
if (isReset) {
this.list.audios[index] && (this.list.audios[index].theme = color);
}
this.template.listCurs[index] && (this.template.listCurs[index].style.backgroundColor = color);
if (index === this.list.index) {
this.template.pic.style.backgroundColor = color;
this.template.played.style.background = color;
this.template.thumb.style.background = color;
this.template.volume.style.background = color;
}
}
seek(time) {
time = Math.max(time, 0);
time = Math.min(time, this.duration);
this.audio.currentTime = time;
this.bar.set('played', time / this.duration, 'width');
this.template.ptime.innerHTML = utils.secondToTime(time);
}
get duration() {
return isNaN(this.audio.duration) ? 0 : this.audio.duration;
}
setUIPlaying() {
if (this.paused) {
this.paused = false;
this.template.button.classList.remove('aplayer-play');
this.template.button.classList.add('aplayer-pause');
this.template.button.innerHTML = '';
setTimeout(() => {
this.template.button.innerHTML = Icons.pause;
}, 100);
this.template.skipPlayButton.innerHTML = Icons.pause;
}
this.timer.enable('loading');
if (this.options.mutex) {
for (let i = 0; i < instances.length; i++) {
if (this !== instances[i]) {
instances[i].pause();
}
}
}
}
play() {
this.setUIPlaying();
const playPromise = this.audio.play();
if (playPromise) {
playPromise.catch((e) => {
console.warn(e);
if (e.name === 'NotAllowedError') {
this.setUIPaused();
}
});
}
}
setUIPaused() {
if (!this.paused) {
this.paused = true;
this.template.button.classList.remove('aplayer-pause');
this.template.button.classList.add('aplayer-play');
this.template.button.innerHTML = '';
setTimeout(() => {
this.template.button.innerHTML = Icons.play;
}, 100);
this.template.skipPlayButton.innerHTML = Icons.play;
}
this.container.classList.remove('aplayer-loading');
this.timer.disable('loading');
}
pause() {
this.setUIPaused();
this.audio.pause();
}
switchVolumeIcon() {
if (this.volume() >= 0.95) {
this.template.volumeButton.innerHTML = Icons.volumeUp;
} else if (this.volume() > 0) {
this.template.volumeButton.innerHTML = Icons.volumeDown;
} else {
this.template.volumeButton.innerHTML = Icons.volumeOff;
}
}
/**
* Set volume
*/
volume(percentage, nostorage) {
percentage = parseFloat(percentage);
if (!isNaN(percentage)) {
percentage = Math.max(percentage, 0);
percentage = Math.min(percentage, 1);
this.bar.set('volume', percentage, 'height');
if (!nostorage) {
this.storage.set('volume', percentage);
}
this.audio.volume = percentage;
if (this.audio.muted) {
this.audio.muted = false;
}
this.switchVolumeIcon();
}
return this.audio.muted ? 0 : this.audio.volume;
}
/**
* bind events
*/
on(name, callback) {
this.events.on(name, callback);
}
/**
* toggle between play and pause
*/
toggle() {
if (this.template.button.classList.contains('aplayer-play')) {
this.play();
} else if (this.template.button.classList.contains('aplayer-pause')) {
this.pause();
}
}
// abandoned
switchAudio(index) {
this.list.switch(index);
}
// abandoned
addAudio(audios) {
this.list.add(audios);
}
// abandoned
removeAudio(index) {
this.list.remove(index);
}
/**
* destroy this player
*/
destroy() {
instances.splice(instances.indexOf(this), 1);
this.pause();
this.container.innerHTML = '';
this.audio.src = '';
this.timer.destroy();
this.events.trigger('destroy');
}
setMode(mode = 'normal') {
this.mode = mode;
if (mode === 'mini') {
this.container.classList.add('aplayer-narrow');
} else if (mode === 'normal') {
this.container.classList.remove('aplayer-narrow');
}
}
notice(text, time = 2000, opacity = 0.8) {
this.template.notice.innerHTML = text;
this.template.notice.style.opacity = opacity;
if (this.noticeTime) {
clearTimeout(this.noticeTime);
}
this.events.trigger('noticeshow', {
text: text,
});
if (time) {
this.noticeTime = setTimeout(() => {
this.template.notice.style.opacity = 0;
this.events.trigger('noticehide');
}, time);
}
}
prevIndex() {
if (this.list.audios.length > 1) {
if (this.options.order === 'list') {
return this.list.index - 1 < 0 ? this.list.audios.length - 1 : this.list.index - 1;
} else if (this.options.order === 'random') {
const index = this.randomOrder.indexOf(this.list.index);
if (index === 0) {
return this.randomOrder[this.randomOrder.length - 1];
} else {
return this.randomOrder[index - 1];
}
}
} else {
return 0;
}
}
nextIndex() {
if (this.list.audios.length > 1) {
if (this.options.order === 'list') {
return (this.list.index + 1) % this.list.audios.length;
} else if (this.options.order === 'random') {
const index = this.randomOrder.indexOf(this.list.index);
if (index === this.randomOrder.length - 1) {
return this.randomOrder[0];
} else {
return this.randomOrder[index + 1];
}
}
} else {
return 0;
}
}
skipBack() {
this.list.switch(this.prevIndex());
}
skipForward() {
this.list.switch(this.nextIndex());
}
static get version() {
/* global APLAYER_VERSION */
return APLAYER_VERSION;
}
}
export default APlayer;