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Added compatibility for SwSpotify #2

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Added compatibility for SwSpotify #2

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c724067
fixed http cors
JamesVStone Dec 8, 2019
2f5b4d4
update data sending port
JamesVStone Dec 11, 2019
afae6b8
improve syntax with type inclusive comparison
JamesVStone Dec 11, 2019
0952a39
optimise variable usage
JamesVStone Dec 11, 2019
8457c39
improve syntax and reformat
JamesVStone Dec 11, 2019
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176 changes: 86 additions & 90 deletions notifications.js
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Original file line number Diff line number Diff line change
@@ -1,103 +1,99 @@
var alert_str = "[SwagLyrics for Spotify]";
const notification_timeout = 4000;
const interval = 1000;
const hash = hex_md5("temp");

const alert_str = "[SwagLyrics for Spotify]";
console.log(alert_str, "initializing (available: " + (typeof window.Notification != 'undefined') + ")");
var stay = 4000;
var isFirst=true;
var interval = 1000;
var hash = hex_md5("temp");

const selectors = {
albumArt:
'#main .Root__now-playing-bar .now-playing-bar__left .cover-art-image.cover-art-image-loaded',
trackName: '.track-info__name a',
artistName: '.track-info__artists a',
playPauseBtn:
'#main .Root__now-playing-bar .now-playing-bar__center .player-controls__buttons button:nth-child(3)',
prevBtn:
'#main .Root__now-playing-bar .now-playing-bar__center .player-controls__buttons button:nth-child(2)',
nextBtn:
'#main .Root__now-playing-bar .now-playing-bar__center .player-controls__buttons button:nth-child(4)',
albumArt:
'#main .Root__now-playing-bar .now-playing-bar__left .cover-art-image.cover-art-image-loaded',
trackName: '.track-info__name a',
artistName: '.track-info__artists a',
playPauseBtn:
'#main .Root__now-playing-bar .now-playing-bar__center .player-controls__buttons button:nth-child(3)',
prevBtn:
'#main .Root__now-playing-bar .now-playing-bar__center .player-controls__buttons button:nth-child(2)',
nextBtn:
'#main .Root__now-playing-bar .now-playing-bar__center .player-controls__buttons button:nth-child(4)',
};
var checks = {
art: function() {
var $img = $('#cover-art').find('.sp-image-img');
if ($img.length > 0) {

return document.querySelector(`${selectors.albumArt}`).style.backgroundImage;
}
return null;
},
name: function() {
return document.querySelector(`${selectors.trackName}`).innerText;
},
artist: function() {
return document.querySelector(`${selectors.artistName}`).innerText;
}
};

const checks = {
art: () => {
let $img = $('#cover-art').find('.sp-image-img');
if ($img.length > 0) {
return document.querySelector(`${selectors.albumArt}`).style.backgroundImage;
}
return null;
},
name: () => {
return document.querySelector(`${selectors.trackName}`).innerText;
},
artist: () => {
return document.querySelector(`${selectors.artistName}`).innerText;
}
};


if (window.Notification) {
console.log(alert_str, "requesting permission");
window.Notification.requestPermission(function() {
console.log(alert_str, "permission granted");
if (!localStorage.scn_hash) {
localStorage.scn_hash = hash;
}
setInterval(function() {
var result = {};
var hash = null;
var text = null;
var cont = false;
for (var i in checks) {
if (checks.hasOwnProperty(i)) {
text = checks[i].call();
if (typeof text != "undefined" && text != null && text.length > 0) {
result[i] = text;
cont = true;
}
}
}

xhr = new XMLHttpRequest();
var url = "http://127.0.0.1:5042/getsong";
xhr.open("POST", url, true);
xhr.setRequestHeader("Content-type", "application/json");
xhr.setRequestHeader("Access-Control-Allow-Origin", "*");
xhr.setRequestHeader("Access-Control-Allow-Headers","*");
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && xhr.status == 200) {
var json = JSON.parse(xhr.responseText);

}
}
var data = JSON.stringify({title:result.name,artist:result.artist});
if(isFirst){
xhr.send(data);
isFirst=false;
}
console.log(alert_str, "requesting notification permission");
window.Notification.requestPermission(function () {
console.log(alert_str, "notification permission granted");
if (!localStorage.scn_hash) {
localStorage.scn_hash = hash;
}
setInterval(function () {
let result = {};
let hash = null;
let text = null;
let cont = false;

if (cont) {
setTimeout(function() {
hash = hex_md5(JSON.stringify(result));
if (localStorage.scn_hash !== hash) {
localStorage.scn_hash = hash;
console.log(alert_str, "new song", result);
for (let i in checks) {
if (checks.hasOwnProperty(i)) {
text = checks[i].call();
if (typeof text != "undefined" && text != null && text.length > 0) {
result[i] = text;
cont = true;
}
}
}

const xhr = new XMLHttpRequest();
const url = "http://127.0.0.1:5043";
xhr.open("POST", url, true);
xhr.setRequestHeader("Content-type", "application/json");
xhr.onreadystatechange = function () {
if (xhr.readyState === 4 && xhr.status === 200) {
JSON.parse("{}");
}
};
let data = JSON.stringify({title: result.name, artist: result.artist});

xhr.send(data);
var notification = new window.Notification(result.name, {
body: result.artist,
icon: result.art
});
setTimeout(function() {
notification.close();
}, stay);
}
}, 200);
}
}, interval);
});
}
// if(isFirst){
// // send initial data packet
// xhr.send(data);
// isFirst = false;
// }

if (cont) {
setTimeout(function () {
hash = hex_md5(JSON.stringify(result));
if (localStorage.scn_hash !== hash) {
localStorage.scn_hash = hash;
console.log(alert_str, "new song", result);
let notification = new window.Notification(result.name, {
body: result.artist,
icon: result.art
});
setTimeout(function () {
notification.close();
}, notification_timeout);
}
xhr.send(data);
}, 200);
}
}, interval);
});
}



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