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Swyter Tweaks for Pandora

Provides non-stop music and puts the current song and artist on the title bar. \

  1. // ==UserScript==
  2. // @name           Swyter Tweaks for Pandora
  3. // @description    Provides non-stop music and puts the current song and artist on the title bar. \
  4. //                 Additionally removes advertising, unblocks lyrics, provides a persistent skin selector, enforces the Pandora One layout and places a convenient download button. Nothing more, nothing less.
  5. // @include        http*://www.pandora.com/*
  6. // @version        2013.06.20
  7. // @grant          GM_getValue
  8. // @grant          GM_setValue
  9. // @namespace https://greasyfork.org/users/4813
  10. // ==/UserScript==
  11.  
  12. function thingie()
  13. {
  14. 	/* find if the I'm listening button exists and click it if does */
  15. 	listen=document.getElementsByClassName("still_listening");
  16. 	
  17. 	if (listen.length > 0)
  18. 	{
  19. 		listen[0].click();
  20. 	}
  21. 	
  22. 	/* unlock lyrics */
  23. 	lyrics=document.querySelector(".lyricsText.unselectable");
  24. 	
  25. 	if (lyrics != null)
  26. 	{
  27. 		for (var i=lyrics.attributes.length; i-->0;)
  28. 		{
  29. 			lyrics.removeAttributeNode(lyrics.attributes[i]);
  30. 		}
  31. 		lyrics.classList.add("lyricsText");
  32. 	}
  33. 	
  34. 	/* direct the download link to the current song, redundant -- but should fix fixefox's strange behavior on mouse down (?) */
  35. 	download=document.getElementById("swydwnld");
  36. 	
  37. 	download.href=($.jPlayer.prototype.instances.jp_0.data('jPlayer').status.src);
  38. 	download.download=mysong.text+"-"+artist.text+"."+($.jPlayer.prototype.instances.jp_0.data('jPlayer').status.formatType || "m4a");
  39. 	
  40. 	/* calls itself every 6s */
  41. 	setTimeout(thingie,6*1000);
  42. }
  43.  
  44. /* set the Pandora One centered layout */
  45. document.documentElement.classList.add("width-p1-noAds");
  46.  
  47. /* get rid of the in-page advertising container */
  48. if(ads=document.getElementById("ad_container"))
  49. {
  50. 	ads.parentNode.removeChild(ads);
  51. }
  52.  
  53. /* let's hook the AJAX requests and filter out the audio ads and user tracking */
  54. XMLHttpRequest.prototype.upon = XMLHttpRequest.prototype.open;
  55. XMLHttpRequest.prototype.open = function(method,url)
  56. {
  57. 	if(url.match(/proxyAdRequest|mediaserverPublicRedirect|brokenAd|stats|andomedia|tritondigital|doubleclick|imrworldwide|scorecardresearch|analytics/) != null)
  58. 	{
  59. 		console.info("Audio ad intercepted!",arguments);
  60. 		this.abort();
  61. 	}
  62. 	else
  63. 	{
  64. 		this.upon.apply(this,arguments);
  65. 	}
  66. }
  67.  
  68. /* pick the song and artist fields */
  69. mysong=document.getElementsByClassName("playerBarSong")[0];
  70. artist=document.getElementsByClassName("playerBarArtist")[0];
  71.  
  72. /* add a download button for the current song */
  73. document.getElementsByClassName("buttons")[1].innerHTML+="<a id='swydwnld' \
  74.                                                          target='_blank' \
  75.                                                           class='button btn_bg' \
  76.                                                           style='text-decoration:none; font-size:11px; width:52px; padding-left:3px; color:inherit;'> \
  77.                                                          <span style='background:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAAMCAYAAAC0qUeeAAAA6klEQVR42o2QvQ6CMBSFuzk4OLojccCGAkZNFKQwEPCnZfEBnHxB38LER/AR1EkXpd5bfyJGjDc5adp+57T3EvJWDpd7a5AW7W6m3Egq3JOqcrg4U3+mbNR4jioqYTfKj2DQIAOZ/bQa9rg8PWEUHU3VXzALwOD/gF0uDywU+gsI02FWhhkXa+z6LlHgFLS4noaeCL4IASvSTJI6C+XWi+QFGlRunKuXAfcgMGyIadZ0umF0G2DYOXF+fRq8xwrnBxpnrdJ36EDYcLF/JBUa5F/AV4NBZmESGjDZ4pOU/KpksYyxqU6Y9j7vbuvheB+14VYeAAAAAElFTkSuQmCC) no-repeat 2px 1px;padding-right:17px;'></span>Download</a>";
  78. download=document.getElementById("swydwnld");
  79. download.addEventListener("mouseover",function(e)
  80. {
  81. 	e.target.href=($.jPlayer.prototype.instances.jp_0.data('jPlayer').status.src);
  82. 	e.target.download=mysong.text+"-"+artist.text+"."+($.jPlayer.prototype.instances.jp_0.data('jPlayer').status.formatType || "m4a");
  83. })
  84.  
  85. /* backup the original title */
  86. original_title=document.title;
  87.  
  88. /* whenever the info dock changes */
  89. info=document.getElementsByClassName("info")[0];
  90. info.addEventListener("DOMNodeInserted",function()
  91. {
  92. 	/* set the title bar to the current song */
  93. 	document.title=(mysong.text.length > 0 &&
  94. 	                artist.text.length > 0) ? ("Now playing «"+mysong.text+"» by «"+artist.text+"»") : original_title;
  95.  
  96. 	/* direct the download link to the current song, redundant -- but should fix fixefox's strange behavior on mouse down (?) */
  97. 	download=document.getElementById("swydwnld");
  98. 	
  99. 	download.href=($.jPlayer.prototype.instances.jp_0.data('jPlayer').status.src);
  100. 	download.download=mysong.text+"-"+artist.text+"."+($.jPlayer.prototype.instances.jp_0.data('jPlayer').status.formatType || "m4a");
  101. })
  102.  
  103. /* unlock theme chooser */
  104. sknTab=document.getElementById("skinTab");
  105. sknTab.style.display="inherit";
  106.  
  107. /* create a new css link and pin it on the document's head, we'll be using it later */
  108. link=document.createElement("link");
  109. link.rel="stylesheet";
  110.  
  111. document.head.appendChild(link);
  112.  
  113.  
  114. /* ugly jquery callback, launched whenever a theme-preview-button-thingie is clicked */
  115. $(document).on("mouseup",".skin_definition_container",function(e)
  116. {
  117.  
  118.     /* pick our id from .skin_definition_container > a > img[src="/preview_{skinid}.png"] */
  119. 	skin_name=e.currentTarget.children[0].children[0].src.match(/preview_(.+)\.png$/)[1];
  120. 	
  121. 	/* a few of the preview ids don't match with their css counterparts, if that's the case, fallback... to the pandora designers: that's malapraxis */
  122. 	skin_name=(
  123. 	{    "default": "pandoraone",
  124. 	      "cosmic": "cosmicrift",
  125. 	         "sea": "deepseadisco"
  126.     }[skin_name]) || skin_name;
  127.  
  128. 	skin_set();
  129. 	
  130. 	console.log("New theme selected!",skin_name);
  131. })
  132.  
  133.  
  134. function skin_set()
  135. {
  136. 	/* set our previously made CSS link to the selection */
  137. 	link.href="http://www.pandora.com/static/pandora_one/skins/"+skin_name+"/skin.css";
  138. 	
  139. 	/* store as persistent preference */
  140. 	try{ GM_setValue('swyPandoraTheme', skin_name) }catch(e){ localStorage['swyPandoraTheme']=skin_name}
  141. }
  142.  
  143. /* restore a theme in case it has been selected previously. ugly, i know */
  144. try{ skin_name = GM_getValue('swyPandoraTheme') || skin_name }catch(e){ skin_name = localStorage['swyPandoraTheme'] || skin_name }; skin_set()
  145.  
  146. /* call the recurrent function */
  147. thingie();