mirror of
https://github.com/janishutz/MusicPlayerV2.git
synced 2025-11-25 04:54:23 +00:00
add remote fancy screen through backend
This commit is contained in:
351
backend/ui/fancy/showcase.js
Normal file
351
backend/ui/fancy/showcase.js
Normal file
@@ -0,0 +1,351 @@
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// eslint-disable-next-line no-undef
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const { createApp } = Vue;
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createApp( {
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data() {
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return {
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hasLoaded: false,
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songs: [],
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playingSong: {},
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isPlaying: false,
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pos: 0,
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queuePos: 0,
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colourPalette: [],
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progressBar: 0,
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timeTracker: null,
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visualizationSettings: 'mic',
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micAnalyzer: null,
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beatDetected: false,
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colorThief: null,
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lastDispatch: new Date().getTime() - 5000,
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isReconnecting: false,
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};
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},
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computed: {
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songQueue() {
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let ret = [];
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let pos = 0;
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for ( let song in this.songs ) {
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if ( pos >= this.queuePos ) {
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ret.push( this.songs[ song ] );
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}
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pos += 1;
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}
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return ret;
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},
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getTimeUntil() {
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return ( song ) => {
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let timeRemaining = 0;
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for ( let i = this.queuePos; i < Object.keys( this.songs ).length - 1; i++ ) {
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if ( this.songs[ i ] == song ) {
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break;
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}
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timeRemaining += parseInt( this.songs[ i ].duration );
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}
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if ( this.isPlaying ) {
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if ( timeRemaining === 0 ) {
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return 'Currently playing';
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} else {
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return 'Playing in less than ' + Math.ceil( timeRemaining / 60 - this.pos / 60 ) + 'min';
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}
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} else {
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if ( timeRemaining === 0 ) {
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return 'Plays next';
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} else {
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return 'Playing less than ' + Math.ceil( timeRemaining / 60 - this.pos / 60 ) + 'min after starting to play';
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}
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}
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}
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}
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},
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methods: {
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startTimeTracker () {
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this.timeTracker = setInterval( () => {
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this.pos = ( new Date().getTime() - this.playingSong.startTime ) / 1000 + this.oldPos;
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this.progressBar = ( this.pos / this.playingSong.duration ) * 1000;
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if ( isNaN( this.progressBar ) ) {
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this.progressBar = 0;
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}
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}, 100 );
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},
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stopTimeTracker () {
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clearInterval( this.timeTracker );
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this.oldPos = this.pos;
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},
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getImageData() {
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return new Promise( ( resolve, reject ) => {
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if ( this.playingSong.hasCoverArt ) {
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setTimeout( () => {
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const img = document.getElementById( 'current-image' );
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if ( img.complete ) {
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resolve( this.colorThief.getPalette( img ) );
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} else {
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img.addEventListener( 'load', () => {
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resolve( this.colorThief.getPalette( img ) );
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} );
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}
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}, 500 );
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} else {
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reject( 'no image' );
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}
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} );
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},
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connect() {
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this.colorThief = new ColorThief();
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let source = new EventSource( '/clientDisplayNotifier', { withCredentials: true } );
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source.onmessage = ( e ) => {
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let data;
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try {
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data = JSON.parse( e.data );
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} catch ( err ) {
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data = { 'type': e.data };
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}
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if ( data.type === 'basics' ) {
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this.isPlaying = data.data.isPlaying ?? false;
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this.playingSong = data.data.playingSong ?? {};
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this.songs = data.data.songQueue ?? [];
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this.pos = data.data.pos ?? 0;
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this.oldPos = data.data.pos ?? 0;
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this.progressBar = this.pos / this.playingSong.duration * 1000;
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this.queuePos = data.data.queuePos ?? 0;
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this.getImageData().then( palette => {
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this.colourPalette = palette;
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this.handleBackground();
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} ).catch( () => {
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this.colourPalette = [ { 'r': 255, 'g': 0, 'b': 0 }, { 'r': 0, 'g': 255, 'b': 0 }, { 'r': 0, 'g': 0, 'b': 255 } ];
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this.handleBackground();
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} );
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} else if ( data.type === 'pos' ) {
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this.pos = data.data;
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this.oldPos = data.data;
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this.progressBar = data.data / this.playingSong.duration * 1000;
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} else if ( data.type === 'isPlaying' ) {
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this.isPlaying = data.data;
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this.handleBackground();
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} else if ( data.type === 'songQueue' ) {
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this.songs = data.data;
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} else if ( data.type === 'playingSong' ) {
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this.playingSong = data.data;
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this.getImageData().then( palette => {
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this.colourPalette = palette;
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this.handleBackground();
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} ).catch( () => {
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this.colourPalette = [ [ 255, 0, 0 ], [ 0, 255, 0 ], [ 0, 0, 255 ] ];
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this.handleBackground();
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} );
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} else if ( data.type === 'queuePos' ) {
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this.queuePos = data.data;
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}
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};
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source.onopen = () => {
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this.hasLoaded = true;
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};
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let self = this;
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source.addEventListener( 'error', function( e ) {
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if ( e.eventPhase == EventSource.CLOSED ) source.close();
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if ( e.target.readyState == EventSource.CLOSED ) {
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console.log( 'disconnected' );
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}
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// TODO: Notify about disconnect
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setTimeout( () => {
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if ( !self.isReconnecting ) {
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self.isReconnecting = true;
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self.connect();
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}
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}, 1000 );
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}, false );
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},
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handleBackground() {
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let colourDetails = [];
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let colours = [];
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let differentEnough = true;
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if ( this.colourPalette[ 0 ] ) {
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for ( let i in this.colourPalette ) {
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for ( let colour in colourDetails ) {
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const colourDiff = ( Math.abs( colourDetails[ colour ][ 0 ] - this.colourPalette[ i ][ 0 ] ) / 255
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+ Math.abs( colourDetails[ colour ][ 1 ] - this.colourPalette[ i ][ 1 ] ) / 255
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+ Math.abs( colourDetails[ colour ][ 2 ] - this.colourPalette[ i ][ 2 ] ) / 255 ) / 3 * 100;
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if ( colourDiff > 15 ) {
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differentEnough = true;
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}
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}
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if ( differentEnough ) {
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colourDetails.push( this.colourPalette[ i ] );
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colours.push( 'rgb(' + this.colourPalette[ i ][ 0 ] + ',' + this.colourPalette[ i ][ 1 ] + ',' + this.colourPalette[ i ][ 2 ] + ')' );
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}
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differentEnough = false;
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}
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}
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let outColours = 'conic-gradient(';
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if ( colours.length < 3 ) {
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for ( let i = 0; i < 3; i++ ) {
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if ( colours[ i ] ) {
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outColours += colours[ i ] + ',';
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} else {
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if ( i === 0 ) {
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outColours += 'blue,';
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} else if ( i === 1 ) {
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outColours += 'green,';
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} else if ( i === 2 ) {
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outColours += 'red,';
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}
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}
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}
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} else if ( colours.length < 11 ) {
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for ( let i in colours ) {
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outColours += colours[ i ] + ',';
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}
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} else {
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for ( let i = 0; i < 10; i++ ) {
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outColours += colours[ i ] + ',';
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}
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}
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outColours += colours[ 0 ] ?? 'blue' + ')';
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$( '#background' ).css( 'background', outColours );
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this.setVisualization();
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},
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setVisualization () {
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if ( Object.keys( this.playingSong ).length > 0 ) {
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if ( this.visualizationSettings === 'bpm' ) {
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if ( this.playingSong.bpm && this.isPlaying ) {
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$( '.beat' ).show();
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$( '.beat' ).css( 'animation-duration', 60 / this.playingSong.bpm );
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$( '.beat' ).css( 'animation-delay', this.pos % ( 60 / this.playingSong.bpm * this.pos ) + this.playingSong.bpmOffset - ( 60 / this.playingSong.bpm * this.pos / 2 ) );
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} else {
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$( '.beat' ).hide();
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}
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try {
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clearInterval( this.micAnalyzer );
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} catch ( err ) {}
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} else if ( this.visualizationSettings === 'off' ) {
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$( '.beat' ).hide();
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try {
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clearInterval( this.micAnalyzer );
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} catch ( err ) {}
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} else if ( this.visualizationSettings === 'mic' ) {
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$( '.beat-manual' ).hide();
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try {
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clearInterval( this.micAnalyzer );
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} catch ( err ) {}
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this.micAudioHandler();
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}
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} else {
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console.log( 'not playing yet' );
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}
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},
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micAudioHandler () {
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const audioContext = new ( window.AudioContext || window.webkitAudioContext )();
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const analyser = audioContext.createAnalyser();
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analyser.fftSize = 256;
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const bufferLength = analyser.frequencyBinCount;
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const dataArray = new Uint8Array( bufferLength );
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navigator.mediaDevices.getUserMedia( { audio: true } ).then( ( stream ) => {
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const mic = audioContext.createMediaStreamSource( stream );
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mic.connect( analyser );
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analyser.getByteFrequencyData( dataArray );
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let prevSpectrum = null;
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let threshold = 10; // Adjust as needed
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this.beatDetected = false;
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this.micAnalyzer = setInterval( () => {
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analyser.getByteFrequencyData( dataArray );
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// Convert the frequency data to a numeric array
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const currentSpectrum = Array.from( dataArray );
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if ( prevSpectrum ) {
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// Calculate the spectral flux
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const flux = this.calculateSpectralFlux( prevSpectrum, currentSpectrum );
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if ( flux > threshold && !this.beatDetected ) {
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// Beat detected
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this.beatDetected = true;
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this.animateBeat();
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}
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}
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prevSpectrum = currentSpectrum;
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}, 20 );
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} );
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},
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animateBeat () {
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$( '.beat-manual' ).stop();
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const duration = Math.ceil( 60 / ( this.playingSong.bpm ?? 180 ) * 500 ) - 50;
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$( '.beat-manual' ).fadeIn( 50 );
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setTimeout( () => {
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$( '.beat-manual' ).fadeOut( duration );
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setTimeout( () => {
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$( '.beat-manual' ).stop();
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this.beatDetected = false;
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}, duration );
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}, 50 );
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},
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calculateSpectralFlux( prevSpectrum, currentSpectrum ) {
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let flux = 0;
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for ( let i = 0; i < prevSpectrum.length; i++ ) {
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const diff = currentSpectrum[ i ] - prevSpectrum[ i ];
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flux += Math.max( 0, diff );
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}
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return flux;
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},
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notifier() {
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if ( parseInt( this.lastDispatch ) + 5000 < new Date().getTime() ) {
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}
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Notification.requestPermission();
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console.warn( '[ notifier ]: Status is now enabled \n\n-> Any leaving or tampering with the website will send a notification to the host' );
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// Detect if window is currently in focus
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window.onblur = () => {
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this.sendNotification( 'blur' );
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}
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// Detect if browser window becomes hidden (also with blur event)
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document.onvisibilitychange = () => {
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if ( document.visibilityState === 'hidden' ) {
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this.sendNotification( 'visibility' );
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}
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};
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},
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sendNotification( notification ) {
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let fetchOptions = {
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method: 'post',
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body: JSON.stringify( { 'type': notification } ),
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headers: {
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'Content-Type': 'application/json',
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'charset': 'utf-8'
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},
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};
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fetch( '/clientStatusUpdate', fetchOptions ).catch( err => {
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console.error( err );
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} );
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new Notification( 'YOU ARE UNDER SURVEILLANCE', {
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body: 'Please return to the original webpage immediately!',
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requireInteraction: true,
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} )
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}
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},
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mounted() {
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this.connect();
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this.notifier();
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// if ( this.visualizationSettings === 'mic' ) {
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// this.micAudioHandler();
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// }
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},
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watch: {
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isPlaying( value ) {
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if ( value ) {
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this.startTimeTracker();
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} else {
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this.stopTimeTracker();
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}
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}
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}
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} ).mount( '#app' );
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