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 require("minibuffer-read.js");
   9
  10 let _viewable_mime_type_list = null;
  11
  12 __defineGetter__("viewable_mime_type_list",
  13     function () {
  14         if (_viewable_mime_type_list == null) {
  15             let list = [];
  16             var en = category_manager
  17                 .enumerateCategory("Gecko-Content-Viewers");
  18             while (en.hasMoreElements())
  19                 list.push(en.getNext()
  20                             .QueryInterface(Ci.nsISupportsCString)
  21                             .toString());
  22             _viewable_mime_type_list = list;
  23         }
  24         return _viewable_mime_type_list;
  25     });
  26
  27 var category_manager = Cc["@mozilla.org/categorymanager;1"]
  28     .getService(Ci.nsICategoryManager);
  29
  30 minibuffer.prototype.read_viewable_mime_type = function () {
  31     var result = yield this.read(
  32         forward_keywords(arguments),
  33         $completer = prefix_completer(
  34             $completions = viewable_mime_type_list),
  35         $match_required,
  36         $space_completes);
  37     yield co_return(result);
  38 };
  39
  40 provide("minibuffer-read-mime-type");