modules/page-modes/google-video.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("content-buffer.js");
  11 require("media.js");
  12
  13 function media_scrape_google_video(buffer, results) {
  14
  15     var doc = buffer.document;
  16
  17     try {
  18         let frame_doc = buffer.top_frame.frames[0].document;
  19         let mime_type;
  20         let ext;
  21         let elem;
  22         let target_uri;
  23         if ((elem = frame_doc.getElementById('macdownloadlink'))) {
  24             mime_type = "video/x-msvideo";
  25             ext = "avi";
  26             target_uri = elem.href;
  27         } else if ((elem = frame_doc.getElementById('ipoddownloadlink'))) {
  28             mime_type = "video/mp4";
  29             ext = "mp4";
  30             target_uri = elem.href;
  31         } else if ((elem = frame_doc.getElementsByTagName('embed'))) {
  32             elem = elem[0];
  33             let tu = elem.src;
  34             let l = tu.indexOf("videoUrl") + 9;
  35             let r = tu.indexOf("&",l);
  36             target_uri = unescape(tu.substr(l, r-l));
  37             ext = "flv";
  38             mime_type = "video/x-flv";
  39         } else
  40             return;
  41         results.push(load_spec({uri: target_uri,
  42                                 title: doc.title,
  43                                 filename_extension: ext,
  44                                 source_frame: buffer.top_frame,
  45                                 mime_type: mime_type}));
  46     } catch (e if !(e instanceof interactive_error)) {}
  47 }
  48
  49
  50 define_page_mode("google-video-mode",
  51     build_url_regexp($domain = "video.google"),
  52     function enable (buffer) {
  53         buffer.page.local.media_scraper = [media_scrape_google_video];
  54         media_setup_local_object_classes(buffer);
  55     },
  56     function disable (buffer) {},
  57     $display_name = "Google Video");
  58
  59 page_mode_activate(google_video_mode);
  60
  61 provide("google-video");