94 lines
2.9 KiB
JavaScript
94 lines
2.9 KiB
JavaScript
/*
|
|
* inspired by http://userscripts.org/scripts/show/116935
|
|
* by http://userscripts.org/users/miguillo
|
|
*/
|
|
|
|
function transform() {
|
|
nodes = document.getElementsByTagName("object");
|
|
for (i=0; i<nodes.length; i++) {
|
|
transformNode(nodes[i]);
|
|
}
|
|
|
|
nodes = document.getElementsByTagName("embed");
|
|
for (i=0; i<nodes.length; i++) {
|
|
if (node.parentNode.nodeName.toLowerCase() == "object") {
|
|
continue;
|
|
}
|
|
transformNode(nodes[i]);
|
|
}
|
|
}
|
|
|
|
function transformNode(node) {
|
|
var embedChild = null;
|
|
if (node.nodeName.toLowerCase() == "object") {
|
|
// it can contains an <embed>
|
|
var children = node.childNodes;
|
|
for ( var j = 0; j < children.length; j++) {
|
|
var child = children[j];
|
|
if (child.nodeName.toLowerCase() == "embed") {
|
|
embedChild = child;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
var src = node.getAttribute('src'); // case <embed src="xxx">
|
|
if (src == null) { // case <object data="xxx">
|
|
src = node.getAttribute('data');
|
|
}
|
|
if (src == null && embedChild != null) { // case <object><embed src="xx"></object>
|
|
src = embedChild.getAttribute('src');
|
|
}
|
|
if (src == null) {
|
|
return;
|
|
}
|
|
src = src.replace(/^\s+/, '').replace(/\s+$/, '');
|
|
|
|
function isZero(s) { return s==null || s=="" || s=="0" || s=="0px"; }
|
|
|
|
var width = node.getAttribute('width');
|
|
var height = node.getAttribute('height');
|
|
|
|
if (isZero(width) && embedChild != null) width = embedChild.getAttribute('width');
|
|
if (isZero(height) && embedChild != null) height = embedChild.getAttribute('height');
|
|
|
|
var nodeStyle = document.defaultView.getComputedStyle(node, "");
|
|
if (isZero(width) && nodeStyle != null) width = nodeStyle.getPropertyValue('width');
|
|
if (isZero(height) && nodeStyle != null) height = nodeStyle.getPropertyValue('height');
|
|
|
|
var childStyle = document.defaultView.getComputedStyle(embedChild, "");
|
|
if (isZero(width) && childStyle != null) width = childStyle.getPropertyValue('width');
|
|
if (isZero(height) && childStyle != null) height = childStyle.getPropertyValue('height');
|
|
|
|
if (isZero(width)) width = '100%';
|
|
if (isZero(height)) height = '100%';
|
|
|
|
var youtubevRegex = /^(?:http:|https:)?\/\/www.youtube.com\/v\/([A-Za-z0-9_-]+)(?:\?(.*))?$/;
|
|
matches = src.match(youtubevRegex);
|
|
if (!matches) {
|
|
return;
|
|
}
|
|
|
|
var querystring = "";
|
|
if (matches[2]) {
|
|
querystring = "?"+matches[2];
|
|
}
|
|
|
|
var iframe = document.createElement("iframe");
|
|
|
|
iframe.setAttribute("class", "youtube-player");
|
|
iframe.setAttribute('type', 'text/html');
|
|
if (width != null) {
|
|
iframe.setAttribute('width', width);
|
|
}
|
|
if (height != null) {
|
|
iframe.setAttribute('height', height);
|
|
}
|
|
iframe.setAttribute('frameborder', 0);
|
|
|
|
var src = "//www.youtube.com/embed/" + matches[1] + querystring;
|
|
iframe.setAttribute('src', src);
|
|
node.parentNode.replaceChild(iframe, node);
|
|
}
|
|
|
|
transform();
|