Inbox and Reader

/* INBOX */

CmdUtils.CreateCommand({
  name: "inbox",
  homepage: "http://www.phoque.de/projekte/ubiquity/",
  author: { name: "Nils Werner", email: "nils.werner@gmail.com"},
  license: "GPL",
  icon: "http://mail.google.com/mail/images/favicon.ico",
  description: "Displays the number of unread emails in your inbox. Requires a <a href=\"http://mail.google.com\">Google Mail</a> account.",
  preview: function( pBlock ) {
    pBlock.innerHTML = "<i>loading</i> unread emails. Hit return to open your Google Mail inbox.";
    gmailCounter(function(obj) {
      pBlock.innerHTML = "<b>" + (obj.number > 0 ? obj.number : "No") + "</b> unread email" + (obj.number != 1 ? "s" : "") + ". Hit return to open your Google Mail inbox.";
    });
  },
  execute: function(){
    Utils.openUrlInBrowser("https://mail.google.com/mail/#inbox");
  }
});

function gmailCounter(callback) {
  var url = "https://mail.google.com/mail/feed/atom";
  Utils.ajaxGet(url, function(rss) {
    CmdUtils.loadJQuery(function(jQuery) {
      callback({number: jQuery(rss).find("fullcount").text() });
    });
  });
}

/* READER */

CmdUtils.CreateCommand({
  name: "reader",
  homepage: "http://www.phoque.de/projekte/ubiquity/",
  author: { name: "Nils Werner", email: "nils.werner@gmail.com"},
  license: "GPL",
  icon: "https://www.google.com/reader/ui/favicon.ico",
  description: "Displays the number of unread articles in your Google Reader. Requires a <a href=\"http://mail.google.com\">Google Mail</a> account.",
  preview: function( pBlock ) {
    pBlock.innerHTML = "<i>loading</i> unread articles. Hit return to open Google Reader.";
    readerCounter(function(obj) {
      pBlock.innerHTML = "<b>" + (obj.number > 0 ? (obj.number == 50 ? "50+" : obj.number) : "No") + "</b> unread article" + (obj.number != 1 ? "s" : "") + ". Hit return to open Google Reader.";
    });
  },
  execute: function(){
    Utils.openUrlInBrowser("https://www.google.com/reader/view/#overview-page");
  }
});

function readerCounter(callback) {
  var url = "https://www.google.com/reader/atom/user/-/state/com.google/reading-list?n=50";
  // todo: loadJQuery not defined here!!
  Utils.ajaxGet(url, function(rss) {
    CmdUtils.loadJQuery(function(jQuery) {
      callback({number: jQuery(rss).find("entry:not(:has(category[label=read]))").length });
    });
  });
}