Initial import

Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>

diff --git a/direct_download_links.js b/direct_download_links.js
new file mode 100644 (file)
index 0000000..f221e68
--- /dev/null
+++ b/direct_download_links.js
@@ -0,0 +1,114 @@
+// direct_download_links - Add direct download links for (video) files
+// version 0.1
+// 2011-08-02
+// Copyright (C) 2011  Antonio Ospite <ospite@studenti.unina.it>
+// Released under the GPL license
+// http://www.gnu.org/copyleft/gpl.html
+//
+// --------------------------------------------------------------------
+//
+// This is a Greasemonkey user script.
+//
+// To install, you need Greasemonkey: https://addons.mozilla.org/en-US/firefox/addon/748
+// Then restart Firefox and revisit this script.
+// Under Tools, there will be a new menu item to "Install User Script".
+// Accept the default configuration and install.
+//
+// To uninstall, go to Tools/Manage User Scripts,
+// select "Direct Download Links", and click Uninstall.
+//
+// --------------------------------------------------------------------
+//
+// ==UserScript==
+// @name           Direct Download Links
+// @namespace      http://git.ao2.it/GM_direct_download_links.git
+// @description    Add direct download links for (video) files
+// @include        http://tv.repubblica.it/*
+// @include        http://trovacinema.repubblica.it/*
+// @include        http://www.kataweb.it/tvzap/*
+// ==/UserScript==
+
+/*
+ * TODO:
+ *  - find a way to use the same string as in the @include lines to match the
+ *    current window.location
+ */
+
+var supported_sites = [
+  {
+    locationRegexp: /^http:\/\/tv\.repubblica\.it\/.*$/,
+    fileElem: 'boxPlayer',
+    fileRegexp: /'pcUrl', '(http:\/\/[^']*)'/,
+    linkDest: 'box_embed',
+  },
+  {
+    locationRegexp: /^http:\/\/trovacinema\.repubblica\.it\/.*$/,
+    fileElem: 'col-center',
+    fileRegexp: /'flvUrl', '(http:\/\/[^']*)'/,
+    linkDest: 'col-center',
+  },
+  {
+    locationRegexp: /^http:\/\/www\.kataweb\.it\/tvzap\/.*$/,
+    fileElem: 'tvzap_video',
+    fileRegexp: /'pcUrl', '(http:\/\/[^']*)'/,
+    linkDest: 'playerCont',
+  },
+];
+
+/* Apply different rules to different sites */
+for (i = 0; i < supported_sites.length; i++) {
+  var site = supported_sites[i];
+
+  var result = window.location.href.match(site.locationRegexp);
+  if (result) {
+    var ret = direct_download_link_add(window.location.href, site.fileElem, site.fileRegexp, site.linkDest);
+    if (!ret) {
+      alert('Cannot add the link');
+    }
+  }
+}
+
+/**
+ * Add a Direct Download link on the page for the specified file
+ *
+ * @param pageURL: the URL of the page we are modifying
+ * @param fileElem: the emelemt containig the file URL
+ * @param fileRegexp: the regular expression for finding the file, the first
+ *                    subpattern is taken as the file URL
+ * @param linkDest: the element where to place the DIrect Download link
+ *
+ * @return: null on error, true on success
+ */
+function direct_download_link_add(pageURL, fileElem, fileRegexp, linkDest) {
+  var element = document.getElementById(fileElem);
+  if (!element) {
+    alert('DirectDL (' + pageURL  + '): Cannot find the element containing the file URL.');
+    return null;
+  }
+
+  var content = element.textContent;
+  if (!content) {
+    alert('DirectDL (' + pageURL + '): textContent is null, cannot fild file URL.');
+  }
+
+  var fileURL = content.match(fileRegexp)[1];
+  if (!fileURL) {
+      alert('DirectDL (' + pageURL + '): file URL not found, check the fileRegexp');
+      return null;
+  }
+
+  var links = document.getElementById(linkDest);
+  if (!links) {
+    alert('DirectDl (' + pageURL + '): Cannot add the direct download link.');
+    return null;
+  }
+
+  var download_link = document.createElement('a');
+  download_link.textContent = 'Direct Download';
+  download_link.setAttribute('href', fileURL);
+  download_link.setAttribute('style', 'display: block; font-size: large; margin-left: 30px; margin-bottom: 1em;');
+
+  links.insertBefore(download_link, links.firstChild);
+
+  return true;
+}