chrome/test/data/extensions/subscribe_page_action/popup.js

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 function feedLink(url) {
   6   var feed_link = document.createElement('a');
   7   feed_link.href = url;
   8   feed_link.addEventListener("click", onClick);
   9   return feed_link;
  10 }
  11
  12 function main() {
  13   chrome.tabs.getSelected(function(tab) {
  14     chrome.storage.local.get(tab.id.toString(), function(result) {
  15       var feeds = result[tab.id];
  16       if (feeds.length == 1) {
  17         // Only one feed, no need for a bubble; go straight to the subscribe
  18         // page.
  19         preview(feeds[0].href);
  20       } else {
  21         var content = document.getElementById('content');
  22         var heading = document.getElementById('heading');
  23         heading.innerText =
  24             chrome.i18n.getMessage("rss_subscription_action_title");
  25         content.appendChild(document.createElement('br'));
  26
  27         var feed_list = document.createElement('table');
  28         feed_list.style.width = "400";
  29         for (var i = 0; i < feeds.length; ++i) {
  30           // Create an RSS image and the anhor encapsulating it.
  31           var img_link = feedLink(feeds[i].href);
  32           var img = document.createElement('img');
  33           img.src = "feed-icon-16x16.png";
  34           img_link.appendChild(img);
  35
  36           // Create a text node and the anchor encapsulating it.
  37           var text_link = feedLink(feeds[i].href);
  38           text_link.appendChild(document.createTextNode(feeds[i].title));
  39
  40           // Add the data to a row in the table.
  41           var tr = document.createElement('tr');
  42           tr.className = "feedList";
  43           var td = document.createElement('td');
  44           td.width = "16";
  45           td.appendChild(img_link);
  46           var td2 = document.createElement('td');
  47           td2.appendChild(text_link);
  48           tr.appendChild(td);
  49           tr.appendChild(td2);
  50           feed_list.appendChild(tr);
  51         }
  52
  53         content.appendChild(feed_list);
  54       }
  55     });
  56   });
  57 }
  58
  59 function onClick(event) {
  60   var a = event.currentTarget;
  61   preview(a.href);
  62 }
  63
  64 function preview(feed_url) {
  65   // See if we need to skip the preview page and subscribe directly.
  66   var url = "";
  67   if (window.localStorage && window.localStorage.showPreviewPage == "No") {
  68     // Skip the preview.
  69     url = window.localStorage.defaultReader.replace("%s", escape(feed_url));
  70   } else {
  71     // Show the preview page.
  72     url = "subscribe.html?" + encodeURIComponent(feed_url);
  73   }
  74   chrome.tabs.create({ url: url });
  75   window.close();
  76 }
  77
  78 // Init on DOM ready.
  79 document.addEventListener('DOMContentLoaded', main);