modules/minibuffer-read-mime-type.js

   1 /**
   2  * (C) Copyright 2008 Jeremy Maitin-Shepard
   3  *
   4  * Use, modification, and distribution are subject to the terms specified in the
   5  * COPYING file.
   6 **/
   7
   8 in_module(null);
   9
  10 require("minibuffer-read.js");
  11
  12 let _viewable_mime_type_list = null;
  13
  14 __defineGetter__("viewable_mime_type_list",
  15     function () {
  16         if (_viewable_mime_type_list == null) {
  17             let list = [];
  18             var en = category_manager
  19                 .enumerateCategory("Gecko-Content-Viewers");
  20             while (en.hasMoreElements())
  21                 list.push(en.getNext()
  22                             .QueryInterface(Ci.nsISupportsCString)
  23                             .toString());
  24             _viewable_mime_type_list = list;
  25         }
  26         return _viewable_mime_type_list;
  27     });
  28
  29 var category_manager = Cc["@mozilla.org/categorymanager;1"]
  30     .getService(Ci.nsICategoryManager);
  31
  32 minibuffer.prototype.read_viewable_mime_type = function () {
  33     var result = yield this.read(
  34         forward_keywords(arguments),
  35         $completer = prefix_completer(
  36             $completions = viewable_mime_type_list),
  37         $match_required,
  38         $space_completes);
  39     yield co_return(result);
  40 };
  41
  42 provide("minibuffer-read-mime-type");