Mercurial > ambnews-firefox
annotate ambnews/content/blank.js @ 18:301ba9942f59
Incremented version number.
| author | Atul Varma <varmaa@toolness.com> |
|---|---|
| date | Sat, 23 Aug 2008 12:41:44 -0700 |
| parents | f259d52d361e |
| children | aa3ccc022d07 |
| rev | line source |
|---|---|
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1 /* ***** BEGIN LICENSE BLOCK ***** |
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2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
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3 * |
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4 * The contents of this file are subject to the Mozilla Public License Version |
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5 * 1.1 (the "License"); you may not use this file except in compliance with |
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6 * the License. You may obtain a copy of the License at |
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7 * http://www.mozilla.org/MPL/ |
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8 * |
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9 * Software distributed under the License is distributed on an "AS IS" basis, |
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10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
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11 * for the specific language governing rights and limitations under the |
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12 * License. |
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13 * |
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14 * The Original Code is Ambient News. |
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15 * |
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16 * The Initial Developer of the Original Code is Mozilla. |
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17 * Portions created by the Initial Developer are Copyright (C) 2007 |
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18 * the Initial Developer. All Rights Reserved. |
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19 * |
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20 * Contributor(s): |
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21 * Atul Varma <avarma@mozilla.com> |
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22 * |
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23 * Alternatively, the contents of this file may be used under the terms of |
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24 * either the GNU General Public License Version 2 or later (the "GPL"), or |
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25 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
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26 * in which case the provisions of the GPL or the LGPL are applicable instead |
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27 * of those above. If you wish to allow use of your version of this file only |
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28 * under the terms of either the GPL or the LGPL, and not to allow others to |
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29 * use your version of this file under the terms of the MPL, indicate your |
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30 * decision by deleting the provisions above and replace them with the notice |
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31 * and other provisions required by the GPL or the LGPL. If you do not delete |
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32 * the provisions above, a recipient may use your version of this file under |
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33 * the terms of any one of the MPL, the GPL or the LGPL. |
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34 * |
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35 * ***** END LICENSE BLOCK ***** */ |
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36 |
| 1 | 37 function loadNews() { |
| 38 var Cc = Components.classes; | |
| 39 var Ci = Components.interfaces; | |
| 40 var historyService = Cc["@mozilla.org/browser/nav-history-service;1"] | |
| 41 .getService(Ci.nsINavHistoryService); | |
| 42 | |
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43 // No query parameters will get all history. |
| 1 | 44 var options = historyService.getNewQueryOptions(); |
| 45 | |
| 46 options.resultType = options.RESULTS_AS_URI; | |
| 47 options.sortingMode = options.SORT_BY_VISITCOUNT_DESCENDING; | |
| 48 | |
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49 // No query parameters will return everything. |
| 1 | 50 var query = historyService.getNewQuery(); |
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51 query.annotation = "ambnews/feed"; |
| 1 | 52 |
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53 // Execute the query. |
| 1 | 54 var result = historyService.executeQuery(query, options); |
| 55 | |
| 56 var root = result.root; | |
| 57 root.containerOpen = true; | |
| 58 | |
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59 // Index of the feed number that we're looking at. |
| 1 | 60 var childNum = 0; |
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61 |
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62 // Number of feeds we've shown so far. |
| 1 | 63 var childrenShown = 0; |
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64 |
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65 // Maximum numer of feeds we'll show. |
| 1 | 66 var maxChildrenToShow = 20; |
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67 |
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68 // Hashtable that keeps track of what feeds we've shown so far, |
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69 // holding both URLs and feed titles. The keys for the values are |
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70 // irrelevant; we're just using a hashtable for quick lookup. |
| 1 | 71 var shownFeeds = {}; |
| 72 | |
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73 // TODO: Consider using JS 1.7 generators/coroutines instead of |
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74 // the following closures. |
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75 |
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76 // This function fetches the next feed and then displays it. |
| 1 | 77 function getNextFeed() { |
| 78 if (childrenShown == maxChildrenToShow || | |
| 79 childNum == root.childCount) { | |
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80 // We're done! Close our query result container. |
| 1 | 81 root.containerOpen = false; |
| 82 } else { | |
| 83 var annSvc = AmbNews.__getAnnSvc(); | |
| 84 var child = root.getChild(childNum); | |
| 85 var feedUri = annSvc.getPageAnnotation(AmbNews.url(child.uri), | |
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86 "ambnews/feed"); |
| 1 | 87 childNum++; |
| 88 if (feedUri in shownFeeds) { | |
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89 // We've already shown this feed, skip to the next one. |
| 1 | 90 getNextFeed(); |
| 91 } else { | |
| 92 shownFeeds[feedUri] = true; | |
| 93 childrenShown++; | |
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94 AmbNews.getFeed(feedUri, displayFeed); |
| 1 | 95 } |
| 96 } | |
| 97 } | |
| 98 | |
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99 // This function displays the given feed. |
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100 function displayFeed(feed) { |
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101 if (feed && feed.title.text in shownFeeds) |
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102 // We've already shown this feed, skip to the next one. |
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103 feed = null; |
| 1 | 104 if (feed) { |
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105 shownFeeds[feed.title.text] = true; |
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106 var text = ""; |
| 1 | 107 var entriesToShow = 4; |
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108 var useAuthor = false; |
| 1 | 109 if (feed.entries.length < entriesToShow) |
| 110 entriesToShow = feed.entries.length; | |
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111 if (entriesToShow > 1 && |
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112 feed.entries[0].title.text == feed.entries[1].title.text) |
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113 // The feed's entries all have the same title, so display |
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114 // author information instead. This is used for Vanilla |
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115 // thread feeds. |
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116 useAuthor = true; |
| 1 | 117 var feedLink = feed.link ? feed.link.spec : ""; |
| 118 text += ('<div class="feed"><div class="feed-title"><a ' + | |
| 119 'href="' + feedLink + '">' + | |
| 120 feed.title.text + '</a></div><ul>'); | |
| 121 for (var i = 0; i < entriesToShow; i++) { | |
| 122 var entryTitle = feed.entries[i].title.text; | |
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123 if (useAuthor) { |
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124 // TODO: Gross, XPCOM cruft. This should be passed to our |
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125 // function as a normal JS Array. |
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126 entryTitle = feed.entries[i].authors.queryElementAt( |
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127 0, |
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128 Components.interfaces.nsIFeedPerson |
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129 ).name; |
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130 } |
| 1 | 131 if (entryTitle.length > 100) { |
| 132 entryTitle = entryTitle.slice(0, 100) + '\u2026'; | |
| 133 } | |
| 134 text += ('<li class="feed-entry"> \u00b7 <a href="' + | |
| 135 feed.entries[i].link.spec + | |
| 136 '">' + | |
| 137 entryTitle + '</a></li>'); | |
| 138 } | |
| 139 text += '</ul></div>'; | |
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140 $(text).hide().fadeIn("slow", getNextFeed).appendTo("#content"); |
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141 } else { |
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142 // We're skipping this feed, so just process the next one. |
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143 window.setTimeout(getNextFeed, 10); |
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144 } |
| 1 | 145 } |
| 146 | |
| 147 getNextFeed(); | |
| 148 } | |
| 149 | |
| 150 $(window).ready(loadNews); |
