start adding showcase screen

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2024-06-27 18:39:06 +02:00
parent 1e11f1dc2e
commit 7a42ab8b4e
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<template>
<div>
<div class="info">Designed and developed by Janis Hutz <a href="https://janishutz.com" target="_blank" style="text-decoration: none; color: white;">https://janishutz.com</a></div>
<div class="content" id="app">
<div v-if="hasLoaded" style="width: 100%">
<div class="current-song-wrapper">
<span class="material-symbols-outlined fancy-view-song-art" v-if="!playingSong.hasCoverArt">music_note</span>
<img v-else-if="playingSong.hasCoverArt && playingSong.coverArtOrigin === 'api'" :src="playingSong.coverArtURL" class="fancy-view-song-art" id="current-image" crossorigin="anonymous">
<img v-else :src="'/getSongCover?filename=' + playingSong.filename" class="fancy-view-song-art" id="current-image">
<div class="current-song">
<progress max="1000" id="progress" :value="progressBar"></progress>
<h1>{{ playingSong.title }}</h1>
<p class="dancing-style" v-if="playingSong.dancingStyle">{{ playingSong.dancingStyle }}</p>
<p>{{ playingSong.artist }}</p>
</div>
</div>
<div class="mode-selector-wrapper">
<select v-model="visualizationSettings" @change="setVisualization()">
<option value="mic">Microphone (Mic access required)</option>
<option value="bpm">BPM (might not be 100% accurate)</option>
<option value="off">No visualization except background</option>
</select>
</div>
<div class="song-list-wrapper">
<div v-for="song in songQueue" class="song-list">
<span class="material-symbols-outlined song-image" v-if="!song.hasCoverArt && ( playingSong.filename !== song.filename || isPlaying )">music_note</span>
<img v-else-if="song.hasCoverArt && ( playingSong.filename !== song.filename || isPlaying ) && song.coverArtOrigin === 'api'" :src="song.coverArtURL" class="song-image">
<img v-else-if="song.hasCoverArt && ( playingSong.filename !== song.filename || isPlaying ) && song.coverArtOrigin !== 'api'" :src="'/getSongCover?filename=' + song.filename" class="song-image">
<div v-if="playingSong.filename === song.filename && isPlaying" class="playing-symbols">
<div class="playing-symbols-wrapper">
<div class="playing-bar" id="bar-1"></div>
<div class="playing-bar" id="bar-2"></div>
<div class="playing-bar" id="bar-3"></div>
</div>
</div>
<span class="material-symbols-outlined pause-icon" v-if="!isPlaying && playingSong.filename === song.filename">pause</span>
<div class="song-details-wrapper">
<h3>{{ song.title }}</h3>
<p>{{ song.artist }}</p>
</div>
<div class="time-until">
{{ getTimeUntil( song ) }}
</div>
</div>
<!-- <img :src="" alt=""> -->
</div>
</div>
<div v-else>
<h1>Loading...</h1>
</div>
<div class="background" id="background">
<div class="beat"></div>
<div class="beat-manual"></div>
</div>
</div>
<!-- TODO: Get ColorThief either from CDN or preferably as NPM module -->
<!-- <script src="https://cdnjs.cloudflare.com/ajax/libs/color-thief/2.3.0/color-thief.umd.js"></script> -->
</div>
</template>
<script setup lang="ts">
import type { Song } from '@/scripts/song';
import { ref, type Ref } from 'vue';
import { ColorThief } from 'colorthief';
const hasLoaded = ref( false );
const songs: Ref<Song[]> = ref( [] );
const playingSong = ref( 0 );
const isPlaying = ref( false );
const pos = ref( 0 );
const colourPalette: string[] = [];
const progressBar = ref( 0 );
const timeTracker = ref( 0 );
const visualizationSettings = ref( 'mic' );
const micAnalyzer = ref( 0 );
const beatDetected = ref( false );
colorThief: null,
lastDispatch: new Date().getTime() - 5000,
isReconnecting: false,
computed: {
songQueue() {
let ret = [];
let pos = 0;
for ( let song in this.songs ) {
if ( pos >= this.queuePos ) {
ret.push( this.songs[ song ] );
}
pos += 1;
}
return ret;
},
getTimeUntil() {
return ( song ) => {
let timeRemaining = 0;
for ( let i = this.queuePos; i < Object.keys( this.songs ).length - 1; i++ ) {
if ( this.songs[ i ] == song ) {
break;
}
timeRemaining += parseInt( this.songs[ i ].duration );
}
if ( this.isPlaying ) {
if ( timeRemaining === 0 ) {
return 'Currently playing';
} else {
return 'Playing in less than ' + Math.ceil( timeRemaining / 60 - this.pos / 60 ) + 'min';
}
} else {
if ( timeRemaining === 0 ) {
return 'Plays next';
} else {
return 'Playing less than ' + Math.ceil( timeRemaining / 60 - this.pos / 60 ) + 'min after starting to play';
}
}
}
}
},
methods: {
startTimeTracker () {
this.timeTracker = setInterval( () => {
this.pos = ( new Date().getTime() - this.playingSong.startTime ) / 1000 + this.oldPos;
this.progressBar = ( this.pos / this.playingSong.duration ) * 1000;
if ( isNaN( this.progressBar ) ) {
this.progressBar = 0;
}
}, 100 );
},
stopTimeTracker () {
clearInterval( this.timeTracker );
this.oldPos = this.pos;
},
getImageData() {
return new Promise( ( resolve, reject ) => {
if ( this.playingSong.hasCoverArt ) {
setTimeout( () => {
const img = document.getElementById( 'current-image' );
if ( img.complete ) {
resolve( this.colorThief.getPalette( img ) );
} else {
img.addEventListener( 'load', () => {
resolve( this.colorThief.getPalette( img ) );
} );
}
}, 500 );
} else {
reject( 'no image' );
}
} );
},
connect() {
this.colorThief = new ColorThief();
let source = new EventSource( '/clientDisplayNotifier', { withCredentials: true } );
source.onmessage = ( e ) => {
let data;
try {
data = JSON.parse( e.data );
} catch ( err ) {
data = { 'type': e.data };
}
if ( data.type === 'basics' ) {
this.isPlaying = data.data.isPlaying ?? false;
this.playingSong = data.data.playingSong ?? {};
this.songs = data.data.songQueue ?? [];
this.pos = data.data.pos ?? 0;
this.oldPos = data.data.pos ?? 0;
this.progressBar = this.pos / this.playingSong.duration * 1000;
this.queuePos = data.data.queuePos ?? 0;
this.getImageData().then( palette => {
this.colourPalette = palette;
this.handleBackground();
} ).catch( () => {
this.colourPalette = [ { 'r': 255, 'g': 0, 'b': 0 }, { 'r': 0, 'g': 255, 'b': 0 }, { 'r': 0, 'g': 0, 'b': 255 } ];
this.handleBackground();
} );
} else if ( data.type === 'pos' ) {
this.pos = data.data;
this.oldPos = data.data;
this.progressBar = data.data / this.playingSong.duration * 1000;
} else if ( data.type === 'isPlaying' ) {
this.isPlaying = data.data;
this.handleBackground();
} else if ( data.type === 'songQueue' ) {
this.songs = data.data;
} else if ( data.type === 'playingSong' ) {
this.playingSong = data.data;
this.getImageData().then( palette => {
this.colourPalette = palette;
this.handleBackground();
} ).catch( () => {
this.colourPalette = [ [ 255, 0, 0 ], [ 0, 255, 0 ], [ 0, 0, 255 ] ];
this.handleBackground();
} );
} else if ( data.type === 'queuePos' ) {
this.queuePos = data.data;
}
};
source.onopen = () => {
this.isReconnecting = false;
this.hasLoaded = true;
};
let self = this;
source.addEventListener( 'error', function( e ) {
if ( e.eventPhase == EventSource.CLOSED ) source.close();
if ( e.target.readyState == EventSource.CLOSED ) {
console.log( 'disconnected' );
}
// TODO: Notify about disconnect
setTimeout( () => {
if ( !self.isReconnecting ) {
self.isReconnecting = true;
self.tryReconnect();
}
}, 1000 );
}, false );
},
tryReconnect() {
const int = setInterval( () => {
if ( !this.isReconnecting ) {
clearInterval( int );
} else {
connectToSSESource();
}
}, 1000 );
},
handleBackground() {
let colourDetails = [];
let colours = [];
let differentEnough = true;
if ( this.colourPalette[ 0 ] ) {
for ( let i in this.colourPalette ) {
for ( let colour in colourDetails ) {
const colourDiff = ( Math.abs( colourDetails[ colour ][ 0 ] - this.colourPalette[ i ][ 0 ] ) / 255
+ Math.abs( colourDetails[ colour ][ 1 ] - this.colourPalette[ i ][ 1 ] ) / 255
+ Math.abs( colourDetails[ colour ][ 2 ] - this.colourPalette[ i ][ 2 ] ) / 255 ) / 3 * 100;
if ( colourDiff > 15 ) {
differentEnough = true;
}
}
if ( differentEnough ) {
colourDetails.push( this.colourPalette[ i ] );
colours.push( 'rgb(' + this.colourPalette[ i ][ 0 ] + ',' + this.colourPalette[ i ][ 1 ] + ',' + this.colourPalette[ i ][ 2 ] + ')' );
}
differentEnough = false;
}
}
let outColours = 'conic-gradient(';
if ( colours.length < 3 ) {
for ( let i = 0; i < 3; i++ ) {
if ( colours[ i ] ) {
outColours += colours[ i ] + ',';
} else {
if ( i === 0 ) {
outColours += 'blue,';
} else if ( i === 1 ) {
outColours += 'green,';
} else if ( i === 2 ) {
outColours += 'red,';
}
}
}
} else if ( colours.length < 11 ) {
for ( let i in colours ) {
outColours += colours[ i ] + ',';
}
} else {
for ( let i = 0; i < 10; i++ ) {
outColours += colours[ i ] + ',';
}
}
outColours += colours[ 0 ] ?? 'blue' + ')';
$( '#background' ).css( 'background', outColours );
this.setVisualization();
},
setVisualization () {
if ( Object.keys( this.playingSong ).length > 0 ) {
if ( this.visualizationSettings === 'bpm' ) {
if ( this.playingSong.bpm && this.isPlaying ) {
$( '.beat' ).show();
$( '.beat' ).css( 'animation-duration', 60 / this.playingSong.bpm );
$( '.beat' ).css( 'animation-delay', this.pos % ( 60 / this.playingSong.bpm * this.pos ) + this.playingSong.bpmOffset - ( 60 / this.playingSong.bpm * this.pos / 2 ) );
} else {
$( '.beat' ).hide();
}
try {
clearInterval( this.micAnalyzer );
} catch ( err ) {}
} else if ( this.visualizationSettings === 'off' ) {
$( '.beat' ).hide();
try {
clearInterval( this.micAnalyzer );
} catch ( err ) {}
} else if ( this.visualizationSettings === 'mic' ) {
$( '.beat-manual' ).hide();
try {
clearInterval( this.micAnalyzer );
} catch ( err ) {}
this.micAudioHandler();
}
} else {
console.log( 'not playing yet' );
}
},
micAudioHandler () {
const audioContext = new ( window.AudioContext || window.webkitAudioContext )();
const analyser = audioContext.createAnalyser();
analyser.fftSize = 256;
const bufferLength = analyser.frequencyBinCount;
const dataArray = new Uint8Array( bufferLength );
navigator.mediaDevices.getUserMedia( { audio: true } ).then( ( stream ) => {
const mic = audioContext.createMediaStreamSource( stream );
mic.connect( analyser );
analyser.getByteFrequencyData( dataArray );
let prevSpectrum = null;
let threshold = 10; // Adjust as needed
this.beatDetected = false;
this.micAnalyzer = setInterval( () => {
analyser.getByteFrequencyData( dataArray );
// Convert the frequency data to a numeric array
const currentSpectrum = Array.from( dataArray );
if ( prevSpectrum ) {
// Calculate the spectral flux
const flux = this.calculateSpectralFlux( prevSpectrum, currentSpectrum );
if ( flux > threshold && !this.beatDetected ) {
// Beat detected
this.beatDetected = true;
this.animateBeat();
}
}
prevSpectrum = currentSpectrum;
}, 20 );
} );
},
animateBeat () {
$( '.beat-manual' ).stop();
const duration = Math.ceil( 60 / ( this.playingSong.bpm ?? 180 ) * 500 ) - 50;
$( '.beat-manual' ).fadeIn( 50 );
setTimeout( () => {
$( '.beat-manual' ).fadeOut( duration );
setTimeout( () => {
$( '.beat-manual' ).stop();
this.beatDetected = false;
}, duration );
}, 50 );
},
calculateSpectralFlux( prevSpectrum, currentSpectrum ) {
let flux = 0;
for ( let i = 0; i < prevSpectrum.length; i++ ) {
const diff = currentSpectrum[ i ] - prevSpectrum[ i ];
flux += Math.max( 0, diff );
}
return flux;
},
notifier() {
if ( parseInt( this.lastDispatch ) + 5000 < new Date().getTime() ) {
}
Notification.requestPermission();
console.warn( '[ notifier ]: Status is now enabled \n\n-> Any leaving or tampering with the website will send a notification to the host' );
// Detect if window is currently in focus
window.onblur = () => {
this.sendNotification( 'blur' );
}
// Detect if browser window becomes hidden (also with blur event)
document.onvisibilitychange = () => {
if ( document.visibilityState === 'hidden' ) {
this.sendNotification( 'visibility' );
}
};
},
sendNotification( notification ) {
let fetchOptions = {
method: 'post',
body: JSON.stringify( { 'type': notification } ),
headers: {
'Content-Type': 'application/json',
'charset': 'utf-8'
},
};
fetch( '/clientStatusUpdate', fetchOptions ).catch( err => {
console.error( err );
} );
new Notification( 'YOU ARE UNDER SURVEILLANCE', {
body: 'Please return to the original webpage immediately!',
requireInteraction: true,
} )
}
},
mounted() {
this.connect();
this.notifier();
// if ( this.visualizationSettings === 'mic' ) {
// this.micAudioHandler();
// }
},
watch: {
isPlaying( value ) {
if ( value ) {
this.startTimeTracker();
} else {
this.stopTimeTracker();
}
}
}
} ).mount( '#app' );
</script>