modules/page-modes/google-images.js

   1 /**
   2  * (C) Copyright 2009 John J. Foerch
   3  *
   4  * Use, modification, and distribution are subject to the terms specified in the
   5  * COPYING file.
   6 **/
   7
   8 /**
   9  * Google Images Mode
  10  *
  11  *   Provides browser-object overrides for various commands at
  12  * google-images, to follow directly to the page that contains an
  13  * image, or directly save the full-size image.  Never see that
  14  * annoying frameset page from google again!
  15  */
  16
  17 define_variable('google_images_imgrefurl_commands',
  18                 ["follow", "follow-new-buffer",
  19                  "follow-new-buffer-background",
  20                  "follow-new-window", "copy"],
  21     "List of commands for which the google-images-imgrefurl browser object "+
  22     "should be used in Google Images Mode");
  23
  24 define_variable('google_images_imgurl_commands',
  25                 ["save", "shell-command-on-file"],
  26     "List of commands for which the google-images-imgurl browser object "+
  27     "should be used in Google Images Mode");
  28
  29 function google_images_get_image_uri (I, prompt) {
  30     var result = yield I.buffer.window.minibuffer.read_hinted_element(
  31         $buffer = I.buffer,
  32         $prompt = prompt,
  33         $hint_xpath_expression = "//a[img]");
  34     var u = Cc["@mozilla.org/network/standard-url;1"]
  35         .createInstance(Ci.nsIURL);
  36     u.spec = result.href;
  37     yield (co_return(u));
  38 }
  39
  40 define_browser_object_class("google-images-imgrefurl", null,
  41     function (I, prompt) {
  42         var u = yield google_images_get_image_uri(I, prompt);
  43         var imgrefurl = unescape(/&imgrefurl=([^&]*)/(u.query)[1]);
  44         yield (co_return(imgrefurl));
  45     });
  46
  47 define_browser_object_class("google-images-imgurl", null,
  48     function (I, prompt) {
  49         var u = yield google_images_get_image_uri(I, prompt);
  50         var imgurl = unescape(/imgurl=([^&]*)/(u.query)[1]);
  51         yield (co_return(imgurl));
  52     });
  53
  54 define_page_mode("google_images_mode",
  55     $display_name = "Google Images",
  56     $enable = function (buffer) {
  57         for each (var c in google_images_imgrefurl_commands) {
  58             buffer.default_browser_object_classes[c] =
  59                 browser_object_google_images_imgrefurl;
  60         }
  61         for each (var c in google_images_imgurl_commands) {
  62             buffer.default_browser_object_classes[c] =
  63                 browser_object_google_images_imgurl;
  64         }
  65     });
  66
  67
  68 let (rx = build_url_regex($domain = "images.google",
  69                           $path = "images")) {
  70     auto_mode_list.push([rx, google_images_mode]);
  71 };