Other script connection
Signed-off-by: Valentin Popov <info@valentineus.link>
This commit is contained in:
		@@ -1,74 +0,0 @@
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'use strict';
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/**
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 * @param {String} parameterName - Variable name
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 * @returns {String} Value of variable
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 * @description Searches for the value of the GET variable on the page.
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 */
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function findGetParameter(parameterName) {
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  var result = null;
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  var tmp = [];
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  var items = window.location.search.substr(1).split('&');
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  for (var index = 0; index < items.length; index++) {
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    tmp = items[index].split('=');
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    if (tmp[0] === parameterName) {
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      result = decodeURIComponent(tmp[1]);
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    }
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  }
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  return result;
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}
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/**
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 * @param {String} artistTrack - Artist of the track
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 * @param {String} titleTrack - Name of the track
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 * @description Updates the data on the page. Displays a pop-up window if the
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 * data has changed.
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 */
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function updateData(artistTrack, titleTrack) {
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  /* Gets items on the page */
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  var displayElement = document.getElementById('display');
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  var artistElement = document.getElementById('artist');
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  var titleElement = document.getElementById('title');
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  if (artistElement.textContent !== artistTrack || titleElement.textContent !== titleTrack) {
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    /* Updates text */
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    document.title = artistTrack + ' - ' + titleTrack;
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    artistElement.textContent = artistTrack;
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    titleElement.textContent = titleTrack;
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    /* Displays a pop-up window */
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    displayElement.style['animation-name'] = 'fadeIn';
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    setTimeout(function () {
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      /* Removes a pop-up window */
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      displayElement.style['animation-name'] = 'fadeOut';
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    }, 5000);
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  }
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}
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var client = new XMLHttpRequest();
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var radio = findGetParameter('radio');
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var url = '//somafm.com/songs/' + radio + '.xml';
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/* Processes response */
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client.onload = function () {
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  if (client.readyState === client.DONE) {
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    if (this.status === 200 && this.responseXML !== null) {
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      /* Gets current track */
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      var current = this.responseXML.getElementsByTagName('song')[0];
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      var artist = current.getElementsByTagName('artist')[0].textContent;
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      var title = current.getElementsByTagName('title')[0].textContent;
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      /* Updates data */
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      updateData(artist, title);
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    }
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  }
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};
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/* Update cycle */
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setInterval(function () {
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  client.open('GET', url);
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  client.send();
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}, 10000);
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