toolkit/content/aboutAbout.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/content/aboutAbout.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,47 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +const Cc = Components.classes;
     1.9 +const Ci = Components.interfaces;
    1.10 +var gProtocols = [];
    1.11 +var gContainer;
    1.12 +window.onload = function () {
    1.13 +  gContainer = document.getElementById("abouts");
    1.14 +  findAbouts();
    1.15 +}
    1.16 +
    1.17 +function findAbouts() {
    1.18 +  var ios = Cc["@mozilla.org/network/io-service;1"].getService(Ci.nsIIOService);
    1.19 +  for (var cid in Cc) {
    1.20 +    var result = cid.match(/@mozilla.org\/network\/protocol\/about;1\?what\=(.*)$/);
    1.21 +    if (result) {
    1.22 +      var aboutType = result[1];
    1.23 +      var contract = "@mozilla.org/network/protocol/about;1?what=" + aboutType;
    1.24 +      try {
    1.25 +        var am = Cc[contract].getService(Ci.nsIAboutModule);
    1.26 +        var uri = ios.newURI("about:"+aboutType, null, null);
    1.27 +        var flags = am.getURIFlags(uri);
    1.28 +        if (!(flags & Ci.nsIAboutModule.HIDE_FROM_ABOUTABOUT)) {
    1.29 +          gProtocols.push(aboutType);
    1.30 +        }
    1.31 +      } catch (e) {
    1.32 +        // getService might have thrown if the component doesn't actually
    1.33 +        // implement nsIAboutModule
    1.34 +      }
    1.35 +    }
    1.36 +  }
    1.37 +  gProtocols.sort().forEach(createProtocolListing);
    1.38 +}
    1.39 +
    1.40 +function createProtocolListing(aProtocol) {
    1.41 +  var uri = "about:" + aProtocol;
    1.42 +  var li = document.createElement("li");
    1.43 +  var link = document.createElement("a");
    1.44 +  var text = document.createTextNode(uri);
    1.45 +
    1.46 +  link.href = uri;
    1.47 +  link.appendChild(text);
    1.48 +  li.appendChild(link);
    1.49 +  gContainer.appendChild(li);
    1.50 +}

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