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index.md - sites - public wiki contents of suckless.org |
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git clone git://git.suckless.org/sites |
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index.md (2956B) |
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1 RSS/Atom feed detection |
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2 ======================= |
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3 |
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4 Description |
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5 ----------- |
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6 |
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7 This script looks for links to RSS or Atom feeds in the current web page… |
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8 finds feeds, it places an icon in the corner of the page which toggles s… |
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9 a list of the feeds. |
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10 |
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11 To install, put the code in `~/.surf/script.js` |
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12 |
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13 Author |
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14 ------ |
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15 |
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16 Charles E. Lehner <https://celehner.com/> |
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17 |
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18 Code |
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19 ---- |
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20 |
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21 (function () { |
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22 var urls = {} |
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23 var feeds = [].slice.call(document.querySelectorAll( |
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24 "link[href][rel~=alternate][type$=xml]," + |
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25 " a[href][rel~=alternate][type$=xml]")) |
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26 .map(function (el) { |
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27 return { |
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28 href: el.href, |
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29 title: el.title || document.titl… |
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30 type: /atom/i.test(el.type) ? 'A… |
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31 }; |
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32 }).filter(function (feed) { |
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33 if (urls[feed.href]) return false |
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34 return urls[feed.href] = true |
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35 }); |
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36 if (!feeds.length) return; |
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37 |
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38 var container = document.createElement('div'); |
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39 container.style.position = 'fixed'; |
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40 container.style.bottom = 0; |
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41 container.style.right = 0; |
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42 container.style.zIndex = 10000; |
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43 document.body.appendChild(container); |
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44 |
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45 var feedList = document.createElement('div'); |
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46 feedList.style.display = 'none'; |
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47 feedList.style.backgroundColor = '#ddd'; |
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48 feedList.style.border = '1px solid #bbb'; |
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49 feedList.style.borderStyle = 'solid solid none'; |
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50 feedList.style.padding = '2px 4px'; |
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51 container.appendChild(feedList); |
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52 |
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53 feeds.forEach(function (feed) { |
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54 var a = document.createElement('a'); |
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55 a.href = feed.href; |
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56 a.style.display = 'block'; |
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57 a.style.color = 'blue'; |
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58 var title = feed.title; |
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59 if (title.indexOf(feed.type) == -1) |
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60 title += ' (' + feed.type + ')'; |
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61 a.appendChild(document.createTextNode(title)); |
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62 feedList.appendChild(a); |
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63 }); |
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64 |
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65 var toggleLink = document.createElement('a'); |
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66 toggleLink.href = ''; |
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67 toggleLink.style.display = 'inline-block'; |
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68 toggleLink.style.paddingRight = '3px'; |
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69 toggleLink.style.verticalAlign = 'bottom'; |
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70 toggleLink.addEventListener("click", toggleFeedList, tru… |
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71 container.appendChild(toggleLink); |
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72 |
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73 var img = new Image(); |
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74 img.style.padding = '4px'; |
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75 img.style.verticalAlign = 'bottom'; |
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76 img.src = 'data:image/gif;base64,' + |
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77 'R0lGODlhDAAMAPUzAPJoJvJqKvNtLfNuL/NvMfNwMvNyNPN… |
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78 'PfR5P/R6QPR7QvR+RvR/R/SASfSBS/SDTPWETvWFUPWGUvW… |
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79 'aPaYbPaabfebb/eccfeedPehePemf/ingPiphPiqhviui/i… |
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80 'ofzh1P3k2f3n3P7u5/7v6P738/749f///wAAAAAAAAAAAAA… |
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81 'AAAAAAAAAAAAAAAAACH5BAEAADQALAAAAAAMAAwAAAZ6QFq… |
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82 'I2WqQCBms9fqkqRIJg7EZ+WawTxeSAS6AklIMhknwjA6sC/… |
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83 'IjMoBwwTECEoGTAvDi8uBAhKMokmMxwqMwIIFhQsMRoZMye… |
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84 'BDQKRhAOsbICNEEAOw=='; |
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85 toggleLink.appendChild(img); |
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86 |
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87 if (feeds.length > 1) { |
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88 toggleLink.appendChild(document.createTextNode(f… |
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89 } |
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90 |
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91 function toggleFeedList(e) { |
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92 e.preventDefault(); |
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93 feedList.style.display = (feedList.style.display… |
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94 'inline-block' : 'none'; |
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95 } |
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96 })(); |
