modules/page-modes/duckduckgo.js

   1 /**
   2  * (C) Copyright 2012 John J. Foerch
   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("content-buffer.js");
  11
  12 define_keymap("duckduckgo_keymap", $display_name = "duckduckgo");
  13 define_keymap("duckduckgo_anchor_keymap", $display_name = "duckduckgo-anchor");
  14 define_keymap("duckduckgo_select_keymap", $display_name = "duckduckgo-select");
  15
  16 function duckduckgo_call_command (buffer, command) {
  17     var s = Components.utils.Sandbox(buffer.top_frame);
  18     s.window = buffer.top_frame.wrappedJSObject;
  19     s.document = buffer.document.wrappedJSObject;
  20     Components.utils.evalInSandbox("window."+command+"()", s);
  21 }
  22
  23 function duckduckgo_command (command) {
  24     return function (I) {
  25         duckduckgo_call_command(I.buffer, command);
  26     };
  27 }
  28
  29 // The bindings were found in <http://duckduckgo.com/d676.js>.  Each one
  30 // corresponds to a call to 'new YAHOO.util.KeyListener(...)', from which
  31 // the keycode and function name can be gotten.
  32
  33 interactive("duckduckgo-down",
  34     "Calls DuckDuckGo command.",
  35     duckduckgo_command("nkda"));
  36
  37 interactive("duckduckgo-up",
  38     "Calls DuckDuckGo command.",
  39     duckduckgo_command("nkua"));
  40
  41 interactive("duckduckgo-focus-search",
  42     "Calls DuckDuckGo command.",
  43     duckduckgo_command("nks"));
  44
  45 interactive("duckduckgo-related-topics",
  46     "Calls DuckDuckGo command.",
  47     duckduckgo_command("nkr"));
  48
  49 interactive("duckduckgo-main-results",
  50     "Calls DuckDuckGo command.",
  51     duckduckgo_command("nkm"));
  52
  53 interactive("duckduckgo-bang-dropdown",
  54     "Calls DuckDuckGo command.",
  55     duckduckgo_command("nkex"));
  56
  57 interactive("duckduckgo-domain-search",
  58     "Calls DuckDuckGo command.",
  59     duckduckgo_command("nkd"));
  60
  61 interactive("duckduckgo-follow-current",
  62     "Calls DuckDuckGo command.",
  63     alternates(duckduckgo_command("nke"),
  64                duckduckgo_command("nkn")));
  65
  66 define_key(duckduckgo_keymap, "j", "duckduckgo-down");
  67 define_key(duckduckgo_keymap, "k", "duckduckgo-up");
  68 define_key(duckduckgo_keymap, "down", "duckduckgo-down");
  69 define_key(duckduckgo_keymap, "up", "duckduckgo-up");
  70 define_key(duckduckgo_keymap, "r", "duckduckgo-related-topics");
  71 define_key(duckduckgo_keymap, "m", "duckduckgo-main-results");
  72 define_key(duckduckgo_keymap, "/", "duckduckgo-focus-search");
  73 define_key(duckduckgo_keymap, "!", "duckduckgo-bang-dropdown");
  74 define_key(duckduckgo_keymap, "d", "duckduckgo-domain-search");
  75 define_key(duckduckgo_anchor_keymap, "return", "duckduckgo-follow-current");
  76 define_key(duckduckgo_select_keymap, "return", "duckduckgo-follow-current");
  77
  78 var duckduckgo_modality = {
  79     normal: duckduckgo_keymap,
  80     anchor: duckduckgo_anchor_keymap,
  81     select: duckduckgo_select_keymap
  82 };
  83
  84 define_page_mode("duckduckgo_mode",
  85     $display_name = "DuckDuckGo",
  86     $enable = function (buffer) {
  87         buffer.content_modalities.push(duckduckgo_modality);
  88     },
  89     $disable = function (buffer) {
  90         var i = buffer.content_modalities.indexOf(duckduckgo_modality);
  91         if (i > -1)
  92             buffer.content_modalities.splice(i, 1);
  93     });
  94
  95 var duckduckgo_re = build_url_regex($domain = "duckduckgo");
  96 auto_mode_list.push([duckduckgo_re, duckduckgo_mode]);
  97
  98 provide("duckduckgo");