utils/notifier/background.html

   1 <html>
   2 <script type="text/javascript">
   3
   4 var last_updated = 0;
   5 var prefs_last_updated = 0;
   6
   7 function param_escape(arg) {
   8         if (typeof encodeURIComponent != 'undefined')
   9                 return encodeURIComponent(arg);
  10         else
  11                 return escape(arg);
  12 }
  13
  14 function update() {
  15         var d = new Date();
  16         var login = localStorage["login"];
  17         var single_user = localStorage["single_user"];
  18
  19         if (single_user == "1") login = "admin";
  20
  21         var requestUrl = localStorage["site_url"] + "/backend.php";
  22         var params = "op=getUnread&fresh=1&login=" + param_escape(login);
  23
  24         var xhr = new XMLHttpRequest();
  25
  26
  27         xhr.open("POST", requestUrl, true);
  28         xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  29         xhr.send(params);
  30
  31         xhr.onreadystatechange = function() {
  32                 if (xhr.readyState == 4) {
  33
  34                         var icon = new Object();
  35                         var title = new Object();
  36                         var badge = new Object();
  37                         var badge_color = new Object();
  38
  39                         // init stuff
  40                         icon.path = "images/normal.png";
  41                         title.title = "";
  42                         badge.text = "";
  43                         badge_color.color = [0, 0, 0, 0];
  44
  45                         var show_badge = localStorage["show_badge"] == "1";
  46                         var show_fresh = localStorage["show_fresh"] == "1";
  47
  48                         if (xhr.status == 200) {
  49                                 var response = xhr.responseText.split(";");
  50
  51                                 var unread = parseInt(response[0]);
  52
  53                                 if (isNaN(unread)) unread = 0;
  54
  55                                 var fresh;
  56
  57                                 if (response.length == 2)
  58                                         fresh = parseInt(response[1]);
  59                                 else
  60                                         fresh = 0;
  61
  62                                 if (isNaN(fresh)) fresh = 0;
  63
  64                                 if (unread > 0) {
  65                                         icon.path = "images/alert.png";
  66                                         title.title = "You have %s unread articles.".replace("%s", unread);
  67
  68                                         if (show_fresh && fresh > 0) {
  69                                                 badge.text = fresh + "";
  70                                                 badge_color.color = [0, 200, 0, 255];
  71                                         } else {
  72                                                 badge.text = unread + "";
  73                                                 badge_color.color = [255, 0, 0, 255];
  74                                         }
  75
  76                                 } else if (unread == -1) {
  77                                         icon.path = "images/error.png";
  78
  79                                         var errorMsg = xhr.responseText.split(";")[1];
  80
  81                                         title.title = "Error: %s.".replace("%s", errorMsg.trim());
  82
  83                                 } else {
  84                                         title.title = "You have no unread articles.";
  85                                 }
  86
  87                                 localStorage["last_updated"] = d.getTime();
  88                                 localStorage["last_error"] = "";
  89                         } else {
  90                                 localStorage["last_error"] = xhr.responseText;
  91
  92                                 icon.path = "images/error.png";
  93                                 title.title = "Error (%s) while updating.".replace("%s", xhr.status);
  94                         }
  95
  96                         if (!show_badge) badge.text = "";
  97
  98                         chrome.browserAction.setBadgeBackgroundColor(badge_color);
  99                         chrome.browserAction.setBadgeText(badge);
 100                         chrome.browserAction.setTitle(title);
 101                         chrome.browserAction.setIcon(icon);
 102
 103                 }
 104         };
 105
 106 }
 107
 108 function timeout() {
 109
 110         var update_interval;
 111         var prefs_updated;
 112
 113         if (localStorage["update_interval"])
 114                 update_interval = localStorage["update_interval"] * 60 * 1000;
 115         else
 116                 update_interval = 15 * 60 * 1000;
 117
 118         if (localStorage["prefs_updated"])
 119                 prefs_updated = localStorage["prefs_updated"];
 120         else
 121                 prefs_updated = -1;
 122
 123         var d = new Date();
 124
 125         if (d.getTime() > last_updated + update_interval ||
 126                         prefs_updated != prefs_last_updated) {
 127
 128                 last_updated = d.getTime();
 129                 prefs_last_updated = prefs_updated;
 130                 try {
 131                         update();
 132                 } catch (e) {
 133                         //
 134                 }
 135         }
 136
 137         window.setTimeout("timeout()", 1000);
 138 }
 139
 140 function init() {
 141
 142         chrome.browserAction.onClicked.addListener(function() {
 143                 var site_url = localStorage['site_url'];
 144
 145                 if (site_url) {
 146                         var cp = new Object();
 147
 148                         cp.url = site_url;
 149
 150                         chrome.tabs.create(cp);
 151                 }
 152
 153         });
 154
 155         window.setTimeout("timeout()", 1000);
 156
 157 }
 158 </script>
 159
 160 <body onload="init()"> </body>
 161
 162 </html>