2 * (C) Copyright 2008 Jeremy Maitin-Shepard
4 * Use, modification, and distribution are subject to the terms specified in the
9 * Default media scraper
11 * Looks for <embed> and <object> elements, and also uses regular
12 * expresisons to attempt to match strings that look like URIs to
16 define_variable("media_scrape_default_regexp",
17 new RegExp("(?:http://[a-zA-Z0-9.\\-]+/)?(?!://)[^=&<>\"'|\\s]+\\."
18 + "(?:aiff|au|avi|flv|mid|mov|mp3|mpg|mpeg|ogg|ra|rm|spl|wav|wma|wmv)(?!\\w)", "ig"),
19 "Regular expression used by the default media scraper to match URIs for "
20 + "embedded media in the page source code.");
22 function media_scrape_default (buffer, results) {
23 var initial_length = results.length;
24 for (let frame in frame_iterator(buffer.top_frame)) {
25 var text = frame.document.documentElement.innerHTML;
26 var matches = text.match(media_scrape_default_regexp);
27 //matches = matches.concat(unescape(text).match(media_scrape_default_regexp));
29 let base_uri = frame.document.documentURIObject;
31 var uris = new string_hashset();
32 for each (let x in matches) {
35 let uri_obj = make_uri(str, null, base_uri);
36 if (!uris.contains(uri_obj.spec)) {
37 uris.add(uri_obj.spec);
38 results.push(load_spec({uri: uri_obj.spec, source_frame: frame}));
44 // If there is exactly 1, use the document title as the video title
45 if (initial_length == 0 && results.length == 1 &&
46 buffer.document.title && buffer.document.title.length > 0) {
48 results[0].title = buffer.document.title;
49 results[0].suggest_filename_from_uri = false;
55 define_variable("media_scrapers",
56 [[/.*/, media_scrape_default]],
57 "Associative list of regexps for matching urls, mapped to functions "+
58 "(or coroutines) to use to scrape a page for embedded media.")
61 function media_scrape (I, buffer) {
63 for (var i = 0, nscrapers = media_scrapers.length; i < nscrapers; i++) {
64 if (media_scrapers[i][0].test(buffer.current_uri.spec))
65 yield media_scrapers[i][1](buffer, results);
67 yield co_return(results);
71 define_browser_object_class("media", null,
72 function (I, prompt) {
73 let media = yield media_scrape(I, I.buffer);
74 if (!media || media.length == 0)
75 throw interactive_error("No media found.");
76 if (media.length == 1)
77 yield co_return(media[0]);
78 let completer = all_word_completer(
80 $get_string = function (x) {
82 return load_spec_uri_string(x);
84 $get_description = function (x) {
86 return (load_spec_title(x) || "") +
87 (x.description ? " ("+x.description+")" : "");
89 let result = yield I.buffer.window.minibuffer.read(
92 $completer = completer,
93 $auto_complete_initial,
94 $auto_complete = "media");
95 yield co_return(result);
97 $hint = "select media");
98 minibuffer_auto_complete_preferences["media"] = true;
101 function media_setup_local_object_classes (buffer) {
102 buffer.default_browser_object_classes = {
103 save: browser_object_media
105 buffer.default_browser_object_classes['shell-command-on-file'] =
106 browser_object_media;
107 buffer.default_browser_object_classes['shell-command-on-url'] =
108 browser_object_media;