The Tor Browser: content/xml/tests/books/books.js@6474c204b198 (annotated)

content/xml/tests/books/books.js@6474c204b198 (annotated)

content/xml/tests/books/books.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 // An inefficient, but effective bubble sort
 function sort(collection, key)
 {
   var i, j;
   var count = collection.length;
   var parent, child;
   for (i = count-1; i >= 0; i--) {
     for (j = 1; j <= i; j++) {
       if (collection[j-1][key] > collection[j][key]) {
          // Move the item both in the local array and
          // in the tree
          child = collection[j];
          parent = child.parentNode;
          collection[j] = collection[j-1];
          collection[j-1] = child;
          parent.removeChild(child);
          parent.insertBefore(child, collection[j]);
       }
     }
   }
 }
 // Set user properties on the nodes in the collection
 // based on information found in its children. For example,
 // make a property "Author" based on the content of the
 // "Author" element found in the childNode list of the node.
 // This makes later sorting more efficient
 function collectInfo(nodes, propNames)
 {
   var i, j, k;
   var ncount = nodes.length;
   var pcount = propNames.length;
   for (i = 0; i < ncount; i++) {
     var node = nodes[i];
     var childNodes = node.childNodes;
     var ccount = childNodes.length;
     for (j = 0; j < ccount; j++) {
       var child = childNodes[j];
       if (child.nodeType == Node.ELEMENT_NODE) {
         var tagName = child.tagName;
         for (k = 0; k < pcount; k++) {
           var prop = propNames[k];
           if (prop == tagName) {
             node[prop] = child.firstChild.data;
           }
         }
       }
     }
   }
 }
 var enabled = true;
 function toggleStyleSheet()
 {
   if (enabled) {
     document.styleSheets[2].disabled = true;
   }
   else {
     document.styleSheets[2].disabled = false;
   }
   enabled = !enabled;
 }
 // XXX This is a workaround for a bug where
 // changing the disabled state of a stylesheet can't
 // be done in an event handler. For now, we do it
 // in a zero-delay timeout.
 function initiateToggle()
 {
   setTimeout(toggleStyleSheet, 0);
 }
 var sortableProps = new Array("Author", "Title", "ISBN");
 var books = new Array();
 // We uppercase the tagName as a workaround for a bug
 // that loses the original case of the tag.
 var bookset = document.getElementsByTagName("Book");
 // We need to create a "non-live" array to operate on. Since
 // we'll be moving things around in this array, we can't use
 // the read-only, live one returned by getElementsByTagName.
 for (var i=0; i < bookset.length; i++) {
   books[i] = bookset[i];
 }
 collectInfo(books, sortableProps);