Skip to content
Browse files

Dynamically loading swfobject and stuff.

  • Loading branch information...
1 parent 423a1e8 commit 58176e5a75fef69f44d0eeec8fd4b1c02a2fe06d @jfly committed Apr 1, 2012
Showing with 862 additions and 3 deletions.
  1. +1 −1 Makefile
  2. +3 −1 README
  3. +1 −1 git-tools
  4. +22 −0 index.html
  5. +779 −0 js/swfobject.js
  6. +54 −0 js/youtube-downloader.js
  7. +2 −0 src/HTTPGet.as
  8. BIN swf/HTTPGet.swf
View
2 Makefile
@@ -1,7 +1,7 @@
all: git-hooks swf/HTTPGet.swf
run: all
- ( cd webroot; python -m SimpleHTTPServer )
+ ( python -m SimpleHTTPServer )
lint:
python git-tools/lint.py
View
4 README
@@ -1 +1,3 @@
-After cloning, run "make". HTTPGet.swf should be created in the swf/ directory. This will only succeed if you have the Flex sdk installed, and the mxmlc binary is on you PATH.
+After cloning, run "make". HTTPGet.swf should be created in the swf/ directory. This will only succeed if you have the Flex sdk installed, and the mxmlc binary is on your PATH.
+
+The js wrapper uses swfobject (http://code.google.com/p/swfobject/).
2 git-tools
@@ -1 +1 @@
-Subproject commit 11fdb9011f46b6f7e10ad63a3509219c355967f2
+Subproject commit 1636c29ece9273689884cb0a2a41acff1dd9bc68
View
22 index.html
@@ -0,0 +1,22 @@
+<html>
+<head>
+<script src="js/youtube-downloader.js" type="text/javascript"></script>
+
+<script type="text/javascript">
+window.addEventListener('load', function(e) {
+ ytdl.init(function(e) {
+ if(!e.success) {
+ alert("Uh-oh!");
+ return;
+ }
+
+ var swf = e.ref;
+ alert(swf.get('foo'));
+ });
+}, false);
+</script>
+</head>
+<body>
+Hello, world!
+</body>
+</html>
View
779 js/swfobject.js
@@ -0,0 +1,779 @@
+//BLW-DUCPHAM
+
+/*! SWFObject v2.2 <http://code.google.com/p/swfobject/>
+ is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
+*/
+
+var swfobject = function() {
+
+ var UNDEF = "undefined",
+ OBJECT = "object",
+ SHOCKWAVE_FLASH = "Shockwave Flash",
+ SHOCKWAVE_FLASH_AX = "ShockwaveFlash.ShockwaveFlash",
+ FLASH_MIME_TYPE = "application/x-shockwave-flash",
+ EXPRESS_INSTALL_ID = "SWFObjectExprInst",
+ ON_READY_STATE_CHANGE = "onreadystatechange",
+
+ win = window,
+ doc = document,
+ nav = navigator,
+
+ plugin = false,
+ domLoadFnArr = [main],
+ regObjArr = [],
+ objIdArr = [],
+ listenersArr = [],
+ storedAltContent,
+ storedAltContentId,
+ storedCallbackFn,
+ storedCallbackObj,
+ isDomLoaded = false,
+ isExpressInstallActive = false,
+ dynamicStylesheet,
+ dynamicStylesheetMedia,
+ autoHideShow = true,
+
+ /* Centralized function for browser feature detection
+ - User agent string detection is only used when no good alternative is possible
+ - Is executed directly for optimal performance
+ */
+ ua = function() {
+ var w3cdom = typeof doc.getElementById != UNDEF && typeof doc.getElementsByTagName != UNDEF && typeof doc.createElement != UNDEF,
+ u = nav.userAgent.toLowerCase(),
+ p = nav.platform.toLowerCase(),
+ windows = p ? /win/.test(p) : /win/.test(u),
+ mac = p ? /mac/.test(p) : /mac/.test(u),
+ webkit = /webkit/.test(u) ? parseFloat(u.replace(/^.*webkit\/(\d+(\.\d+)?).*$/, "$1")) : false, // returns either the webkit version or false if not webkit
+ ie = !+"\v1", // feature detection based on Andrea Giammarchi's solution: http://webreflection.blogspot.com/2009/01/32-bytes-to-know-if-your-browser-is-ie.html
+ playerVersion = [0,0,0],
+ d = null;
+ if (typeof nav.plugins != UNDEF && typeof nav.plugins[SHOCKWAVE_FLASH] == OBJECT) {
+ d = nav.plugins[SHOCKWAVE_FLASH].description;
+ if (d && !(typeof nav.mimeTypes != UNDEF && nav.mimeTypes[FLASH_MIME_TYPE] && !nav.mimeTypes[FLASH_MIME_TYPE].enabledPlugin)) { // navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin indicates whether plug-ins are enabled or disabled in Safari 3+
+ plugin = true;
+ ie = false; // cascaded feature detection for Internet Explorer
+ d = d.replace(/^.*\s+(\S+\s+\S+$)/, "$1");
+ playerVersion[0] = parseInt(d.replace(/^(.*)\..*$/, "$1"), 10);
+ playerVersion[1] = parseInt(d.replace(/^.*\.(.*)\s.*$/, "$1"), 10);
+ playerVersion[2] = /[a-zA-Z]/.test(d) ? parseInt(d.replace(/^.*[a-zA-Z]+(.*)$/, "$1"), 10) : 0;
+ }
+ }
+ else if (typeof win.ActiveXObject != UNDEF) {
+ try {
+ var a = new ActiveXObject(SHOCKWAVE_FLASH_AX);
+ if (a) { // a will return null when ActiveX is disabled
+ d = a.GetVariable("$version");
+ if (d) {
+ ie = true; // cascaded feature detection for Internet Explorer
+ d = d.split(" ")[1].split(",");
+ playerVersion = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
+ }
+ }
+ }
+ catch(e) {}
+ }
+ return { w3:w3cdom, pv:playerVersion, wk:webkit, ie:ie, win:windows, mac:mac };
+ }(),
+
+ /* Cross-browser onDomLoad
+ - Will fire an event as soon as the DOM of a web page is loaded
+ - Internet Explorer workaround based on Diego Perini's solution: http://javascript.nwbox.com/IEContentLoaded/
+ - Regular onload serves as fallback
+ */
+ onDomLoad = function() {
+ if (!ua.w3) { return; }
+ if ((typeof doc.readyState != UNDEF && doc.readyState == "complete") || (typeof doc.readyState == UNDEF && (doc.getElementsByTagName("body")[0] || doc.body))) { // function is fired after onload, e.g. when script is inserted dynamically
+ callDomLoadFunctions();
+ }
+ if (!isDomLoaded) {
+ if (typeof doc.addEventListener != UNDEF) {
+ doc.addEventListener("DOMContentLoaded", callDomLoadFunctions, false);
+ }
+ if (ua.ie && ua.win) {
+ doc.attachEvent(ON_READY_STATE_CHANGE, function() {
+ if (doc.readyState == "complete") {
+ doc.detachEvent(ON_READY_STATE_CHANGE, arguments.callee);
+ callDomLoadFunctions();
+ }
+ });
+ if (win == top) { // if not inside an iframe
+ (function(){
+ if (isDomLoaded) { return; }
+ try {
+ doc.documentElement.doScroll("left");
+ }
+ catch(e) {
+ setTimeout(arguments.callee, 0);
+ return;
+ }
+ callDomLoadFunctions();
+ })();
+ }
+ }
+ if (ua.wk) {
+ (function(){
+ if (isDomLoaded) { return; }
+ if (!/loaded|complete/.test(doc.readyState)) {
+ setTimeout(arguments.callee, 0);
+ return;
+ }
+ callDomLoadFunctions();
+ })();
+ }
+ addLoadEvent(callDomLoadFunctions);
+ }
+ }();
+
+ function callDomLoadFunctions() {
+ if (isDomLoaded) { return; }
+ try { // test if we can really add/remove elements to/from the DOM; we don't want to fire it too early
+ var t = doc.getElementsByTagName("body")[0].appendChild(createElement("span"));
+ t.parentNode.removeChild(t);
+ }
+ catch (e) { return; }
+ isDomLoaded = true;
+ var dl = domLoadFnArr.length;
+ for (var i = 0; i < dl; i++) {
+ domLoadFnArr[i]();
+ }
+ }
+
+ function addDomLoadEvent(fn) {
+ if (isDomLoaded) {
+ fn();
+ }
+ else {
+ domLoadFnArr[domLoadFnArr.length] = fn; // Array.push() is only available in IE5.5+
+ }
+ }
+
+ /* Cross-browser onload
+ - Based on James Edwards' solution: http://brothercake.com/site/resources/scripts/onload/
+ - Will fire an event as soon as a web page including all of its assets are loaded
+ */
+ function addLoadEvent(fn) {
+ if (typeof win.addEventListener != UNDEF) {
+ win.addEventListener("load", fn, false);
+ }
+ else if (typeof doc.addEventListener != UNDEF) {
+ doc.addEventListener("load", fn, false);
+ }
+ else if (typeof win.attachEvent != UNDEF) {
+ addListener(win, "onload", fn);
+ }
+ else if (typeof win.onload == "function") {
+ var fnOld = win.onload;
+ win.onload = function() {
+ fnOld();
+ fn();
+ };
+ }
+ else {
+ win.onload = fn;
+ }
+ }
+
+ /* Main function
+ - Will preferably execute onDomLoad, otherwise onload (as a fallback)
+ */
+ function main() {
+ if (plugin) {
+ testPlayerVersion();
+ }
+ else {
+ matchVersions();
+ }
+ }
+
+ /* Detect the Flash Player version for non-Internet Explorer browsers
+ - Detecting the plug-in version via the object element is more precise than using the plugins collection item's description:
+ a. Both release and build numbers can be detected
+ b. Avoid wrong descriptions by corrupt installers provided by Adobe
+ c. Avoid wrong descriptions by multiple Flash Player entries in the plugin Array, caused by incorrect browser imports
+ - Disadvantage of this method is that it depends on the availability of the DOM, while the plugins collection is immediately available
+ */
+ function testPlayerVersion() {
+ var b = doc.getElementsByTagName("body")[0];
+ var o = createElement(OBJECT);
+ o.setAttribute("type", FLASH_MIME_TYPE);
+ var t = b.appendChild(o);
+ if (t) {
+ var counter = 0;
+ (function(){
+ if (typeof t.GetVariable != UNDEF) {
+ var d = t.GetVariable("$version");
+ if (d) {
+ d = d.split(" ")[1].split(",");
+ ua.pv = [parseInt(d[0], 10), parseInt(d[1], 10), parseInt(d[2], 10)];
+ }
+ }
+ else if (counter < 10) {
+ counter++;
+ setTimeout(arguments.callee, 10);
+ return;
+ }
+ b.removeChild(o);
+ t = null;
+ matchVersions();
+ })();
+ }
+ else {
+ matchVersions();
+ }
+ }
+
+ /* Perform Flash Player and SWF version matching; static publishing only
+ */
+ function matchVersions() {
+ var rl = regObjArr.length;
+ if (rl > 0) {
+ for (var i = 0; i < rl; i++) { // for each registered object element
+ var id = regObjArr[i].id;
+ var cb = regObjArr[i].callbackFn;
+ var cbObj = {success:false, id:id};
+ if (ua.pv[0] > 0) {
+ var obj = getElementById(id);
+ if (obj) {
+ if (hasPlayerVersion(regObjArr[i].swfVersion) && !(ua.wk && ua.wk < 312)) { // Flash Player version >= published SWF version: Houston, we have a match!
+ setVisibility(id, true);
+ if (cb) {
+ cbObj.success = true;
+ cbObj.ref = getObjectById(id);
+ cb(cbObj);
+ }
+ }
+ else if (regObjArr[i].expressInstall && canExpressInstall()) { // show the Adobe Express Install dialog if set by the web page author and if supported
+ var att = {};
+ att.data = regObjArr[i].expressInstall;
+ att.width = obj.getAttribute("width") || "0";
+ att.height = obj.getAttribute("height") || "0";
+ if (obj.getAttribute("class")) { att.styleclass = obj.getAttribute("class"); }
+ if (obj.getAttribute("align")) { att.align = obj.getAttribute("align"); }
+ // parse HTML object param element's name-value pairs
+ var par = {};
+ var p = obj.getElementsByTagName("param");
+ var pl = p.length;
+ for (var j = 0; j < pl; j++) {
+ if (p[j].getAttribute("name").toLowerCase() != "movie") {
+ par[p[j].getAttribute("name")] = p[j].getAttribute("value");
+ }
+ }
+ showExpressInstall(att, par, id, cb);
+ }
+ else { // Flash Player and SWF version mismatch or an older Webkit engine that ignores the HTML object element's nested param elements: display alternative content instead of SWF
+ displayAltContent(obj);
+ if (cb) { cb(cbObj); }
+ }
+ }
+ }
+ else { // if no Flash Player is installed or the fp version cannot be detected we let the HTML object element do its job (either show a SWF or alternative content)
+ setVisibility(id, true);
+ if (cb) {
+ var o = getObjectById(id); // test whether there is an HTML object element or not
+ if (o && typeof o.SetVariable != UNDEF) {
+ cbObj.success = true;
+ cbObj.ref = o;
+ }
+ cb(cbObj);
+ }
+ }
+ }
+ }
+ }
+
+ function getObjectById(objectIdStr) {
+ var r = null;
+ var o = getElementById(objectIdStr);
+ if (o && o.nodeName == "OBJECT") {
+ if (typeof o.SetVariable != UNDEF) {
+ r = o;
+ }
+ else {
+ var n = o.getElementsByTagName(OBJECT)[0];
+ if (n) {
+ r = n;
+ }
+ }
+ }
+ return r;
+ }
+
+ /* Requirements for Adobe Express Install
+ - only one instance can be active at a time
+ - fp 6.0.65 or higher
+ - Win/Mac OS only
+ - no Webkit engines older than version 312
+ */
+ function canExpressInstall() {
+ return !isExpressInstallActive && hasPlayerVersion("6.0.65") && (ua.win || ua.mac) && !(ua.wk && ua.wk < 312);
+ }
+
+ /* Show the Adobe Express Install dialog
+ - Reference: http://www.adobe.com/cfusion/knowledgebase/index.cfm?id=6a253b75
+ */
+ function showExpressInstall(att, par, replaceElemIdStr, callbackFn) {
+ isExpressInstallActive = true;
+ storedCallbackFn = callbackFn || null;
+ storedCallbackObj = {success:false, id:replaceElemIdStr};
+ var obj = getElementById(replaceElemIdStr);
+ if (obj) {
+ if (obj.nodeName == "OBJECT") { // static publishing
+ storedAltContent = abstractAltContent(obj);
+ storedAltContentId = null;
+ }
+ else { // dynamic publishing
+ storedAltContent = obj;
+ storedAltContentId = replaceElemIdStr;
+ }
+ att.id = EXPRESS_INSTALL_ID;
+ if (typeof att.width == UNDEF || (!/%$/.test(att.width) && parseInt(att.width, 10) < 310)) { att.width = "310"; }
+ if (typeof att.height == UNDEF || (!/%$/.test(att.height) && parseInt(att.height, 10) < 137)) { att.height = "137"; }
+ doc.title = doc.title.slice(0, 47) + " - Flash Player Installation";
+ var pt = ua.ie && ua.win ? "ActiveX" : "PlugIn",
+ fv = "MMredirectURL=" + win.location.toString().replace(/&/g,"%26") + "&MMplayerType=" + pt + "&MMdoctitle=" + doc.title;
+ if (typeof par.flashvars != UNDEF) {
+ par.flashvars += "&" + fv;
+ }
+ else {
+ par.flashvars = fv;
+ }
+ // IE only: when a SWF is loading (AND: not available in cache) wait for the readyState of the object element to become 4 before removing it,
+ // because you cannot properly cancel a loading SWF file without breaking browser load references, also obj.onreadystatechange doesn't work
+ if (ua.ie && ua.win && obj.readyState != 4) {
+ var newObj = createElement("div");
+ replaceElemIdStr += "SWFObjectNew";
+ newObj.setAttribute("id", replaceElemIdStr);
+ obj.parentNode.insertBefore(newObj, obj); // insert placeholder div that will be replaced by the object element that loads expressinstall.swf
+ obj.style.display = "none";
+ (function(){
+ if (obj.readyState == 4) {
+ obj.parentNode.removeChild(obj);
+ }
+ else {
+ setTimeout(arguments.callee, 10);
+ }
+ })();
+ }
+ createSWF(att, par, replaceElemIdStr);
+ }
+ }
+
+ /* Functions to abstract and display alternative content
+ */
+ function displayAltContent(obj) {
+ if (ua.ie && ua.win && obj.readyState != 4) {
+ // IE only: when a SWF is loading (AND: not available in cache) wait for the readyState of the object element to become 4 before removing it,
+ // because you cannot properly cancel a loading SWF file without breaking browser load references, also obj.onreadystatechange doesn't work
+ var el = createElement("div");
+ obj.parentNode.insertBefore(el, obj); // insert placeholder div that will be replaced by the alternative content
+ el.parentNode.replaceChild(abstractAltContent(obj), el);
+ obj.style.display = "none";
+ (function(){
+ if (obj.readyState == 4) {
+ obj.parentNode.removeChild(obj);
+ }
+ else {
+ setTimeout(arguments.callee, 10);
+ }
+ })();
+ }
+ else {
+ obj.parentNode.replaceChild(abstractAltContent(obj), obj);
+ }
+ }
+
+ function abstractAltContent(obj) {
+ var ac = createElement("div");
+ if (ua.win && ua.ie) {
+ ac.innerHTML = obj.innerHTML;
+ }
+ else {
+ var nestedObj = obj.getElementsByTagName(OBJECT)[0];
+ if (nestedObj) {
+ var c = nestedObj.childNodes;
+ if (c) {
+ var cl = c.length;
+ for (var i = 0; i < cl; i++) {
+ if (!(c[i].nodeType == 1 && c[i].nodeName == "PARAM") && !(c[i].nodeType == 8)) {
+ ac.appendChild(c[i].cloneNode(true));
+ }
+ }
+ }
+ }
+ }
+ return ac;
+ }
+
+ /* Cross-browser dynamic SWF creation
+ */
+ function createSWF(attObj, parObj, id) {
+ var r, el = getElementById(id);
+ if (ua.wk && ua.wk < 312) { return r; }
+ if (el) {
+ if (typeof attObj.id == UNDEF) { // if no 'id' is defined for the object element, it will inherit the 'id' from the alternative content
+ attObj.id = id;
+ }
+ if (ua.ie && ua.win) { // Internet Explorer + the HTML object element + W3C DOM methods do not combine: fall back to outerHTML
+ var att = "";
+ for (var i in attObj) {
+ if (attObj[i] != Object.prototype[i]) { // filter out prototype additions from other potential libraries
+ if (i.toLowerCase() == "data") {
+ parObj.movie = attObj[i];
+ }
+ else if (i.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
+ att += ' class="' + attObj[i] + '"';
+ }
+ else if (i.toLowerCase() != "classid") {
+ att += ' ' + i + '="' + attObj[i] + '"';
+ }
+ }
+ }
+ var par = "";
+ for (var j in parObj) {
+ if (parObj[j] != Object.prototype[j]) { // filter out prototype additions from other potential libraries
+ par += '<param name="' + j + '" value="' + parObj[j] + '" />';
+ }
+ }
+ el.outerHTML = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"' + att + '>' + par + '</object>';
+ objIdArr[objIdArr.length] = attObj.id; // stored to fix object 'leaks' on unload (dynamic publishing only)
+ r = getElementById(attObj.id);
+ }
+ else { // well-behaving browsers
+ var o = createElement(OBJECT);
+ o.setAttribute("type", FLASH_MIME_TYPE);
+ for (var m in attObj) {
+ if (attObj[m] != Object.prototype[m]) { // filter out prototype additions from other potential libraries
+ if (m.toLowerCase() == "styleclass") { // 'class' is an ECMA4 reserved keyword
+ o.setAttribute("class", attObj[m]);
+ }
+ else if (m.toLowerCase() != "classid") { // filter out IE specific attribute
+ o.setAttribute(m, attObj[m]);
+ }
+ }
+ }
+ for (var n in parObj) {
+ if (parObj[n] != Object.prototype[n] && n.toLowerCase() != "movie") { // filter out prototype additions from other potential libraries and IE specific param element
+ createObjParam(o, n, parObj[n]);
+ }
+ }
+ el.parentNode.replaceChild(o, el);
+ r = o;
+ }
+ }
+ return r;
+ }
+
+ function createObjParam(el, pName, pValue) {
+ var p = createElement("param");
+ p.setAttribute("name", pName);
+ p.setAttribute("value", pValue);
+ el.appendChild(p);
+ }
+
+ /* Cross-browser SWF removal
+ - Especially needed to safely and completely remove a SWF in Internet Explorer
+ */
+ function removeSWF(id) {
+ var obj = getElementById(id);
+ if (obj && obj.nodeName == "OBJECT") {
+ if (ua.ie && ua.win) {
+ obj.style.display = "none";
+ (function(){
+ if (obj.readyState == 4) {
+ removeObjectInIE(id);
+ }
+ else {
+ setTimeout(arguments.callee, 10);
+ }
+ })();
+ }
+ else {
+ obj.parentNode.removeChild(obj);
+ }
+ }
+ }
+
+ function removeObjectInIE(id) {
+ var obj = getElementById(id);
+ if (obj) {
+ for (var i in obj) {
+ if (typeof obj[i] == "function") {
+ obj[i] = null;
+ }
+ }
+ obj.parentNode.removeChild(obj);
+ }
+ }
+
+ /* Functions to optimize JavaScript compression
+ */
+ function getElementById(id) {
+ var el = null;
+ try {
+ el = doc.getElementById(id);
+ }
+ catch (e) {}
+ return el;
+ }
+
+ function createElement(el) {
+ return doc.createElement(el);
+ }
+
+ /* Updated attachEvent function for Internet Explorer
+ - Stores attachEvent information in an Array, so on unload the detachEvent functions can be called to avoid memory leaks
+ */
+ function addListener(target, eventType, fn) {
+ target.attachEvent(eventType, fn);
+ listenersArr[listenersArr.length] = [target, eventType, fn];
+ }
+
+ /* Flash Player and SWF content version matching
+ */
+ function hasPlayerVersion(rv) {
+ var pv = ua.pv, v = rv.split(".");
+ v[0] = parseInt(v[0], 10);
+ v[1] = parseInt(v[1], 10) || 0; // supports short notation, e.g. "9" instead of "9.0.0"
+ v[2] = parseInt(v[2], 10) || 0;
+ return (pv[0] > v[0] || (pv[0] == v[0] && pv[1] > v[1]) || (pv[0] == v[0] && pv[1] == v[1] && pv[2] >= v[2])) ? true : false;
+ }
+
+ /* Cross-browser dynamic CSS creation
+ - Based on Bobby van der Sluis' solution: http://www.bobbyvandersluis.com/articles/dynamicCSS.php
+ */
+ function createCSS(sel, decl, media, newStyle) {
+ if (ua.ie && ua.mac) { return; }
+ var h = doc.getElementsByTagName("head")[0];
+ if (!h) { return; } // to also support badly authored HTML pages that lack a head element
+ var m = (media && typeof media == "string") ? media : "screen";
+ if (newStyle) {
+ dynamicStylesheet = null;
+ dynamicStylesheetMedia = null;
+ }
+ if (!dynamicStylesheet || dynamicStylesheetMedia != m) {
+ // create dynamic stylesheet + get a global reference to it
+ var s = createElement("style");
+ s.setAttribute("type", "text/css");
+ s.setAttribute("media", m);
+ dynamicStylesheet = h.appendChild(s);
+ if (ua.ie && ua.win && typeof doc.styleSheets != UNDEF && doc.styleSheets.length > 0) {
+ dynamicStylesheet = doc.styleSheets[doc.styleSheets.length - 1];
+ }
+ dynamicStylesheetMedia = m;
+ }
+ // add style rule
+ if (ua.ie && ua.win) {
+ if (dynamicStylesheet && typeof dynamicStylesheet.addRule == OBJECT) {
+ dynamicStylesheet.addRule(sel, decl);
+ }
+ }
+ else {
+ if (dynamicStylesheet && typeof doc.createTextNode != UNDEF) {
+ dynamicStylesheet.appendChild(doc.createTextNode(sel + " {" + decl + "}"));
+ }
+ }
+ }
+
+ function setVisibility(id, isVisible) {
+ if (!autoHideShow) { return; }
+ var v = isVisible ? "visible" : "hidden";
+ if (isDomLoaded && getElementById(id)) {
+ getElementById(id).style.visibility = v;
+ }
+ else {
+ createCSS("#" + id, "visibility:" + v);
+ }
+ }
+
+ /* Filter to avoid XSS attacks
+ */
+ function urlEncodeIfNecessary(s) {
+ var regex = /[\\\"<>\.;]/;
+ var hasBadChars = regex.exec(s) != null;
+ return hasBadChars && typeof encodeURIComponent != UNDEF ? encodeURIComponent(s) : s;
+ }
+
+ /* Release memory to avoid memory leaks caused by closures, fix hanging audio/video threads and force open sockets/NetConnections to disconnect (Internet Explorer only)
+ */
+ var cleanup = function() {
+ if (ua.ie && ua.win) {
+ window.attachEvent("onunload", function() {
+ // remove listeners to avoid memory leaks
+ var ll = listenersArr.length;
+ for (var i = 0; i < ll; i++) {
+ listenersArr[i][0].detachEvent(listenersArr[i][1], listenersArr[i][2]);
+ }
+ // cleanup dynamically embedded objects to fix audio/video threads and force open sockets and NetConnections to disconnect
+ var il = objIdArr.length;
+ for (var j = 0; j < il; j++) {
+ removeSWF(objIdArr[j]);
+ }
+ // cleanup library's main closures to avoid memory leaks
+ for (var k in ua) {
+ ua[k] = null;
+ }
+ ua = null;
+ for (var l in swfobject) {
+ swfobject[l] = null;
+ }
+ swfobject = null;
+ });
+ }
+ }();
+
+ return {
+ /* Public API
+ - Reference: http://code.google.com/p/swfobject/wiki/documentation
+ */
+ registerObject: function(objectIdStr, swfVersionStr, xiSwfUrlStr, callbackFn) {
+ if (ua.w3 && objectIdStr && swfVersionStr) {
+ var regObj = {};
+ regObj.id = objectIdStr;
+ regObj.swfVersion = swfVersionStr;
+ regObj.expressInstall = xiSwfUrlStr;
+ regObj.callbackFn = callbackFn;
+ regObjArr[regObjArr.length] = regObj;
+ setVisibility(objectIdStr, false);
+ }
+ else if (callbackFn) {
+ callbackFn({success:false, id:objectIdStr});
+ }
+ },
+
+ getObjectById: function(objectIdStr) {
+ if (ua.w3) {
+ return getObjectById(objectIdStr);
+ }
+ },
+
+ embedSWF: function(swfUrlStr, replaceElemIdStr, widthStr, heightStr, swfVersionStr, xiSwfUrlStr, flashvarsObj, parObj, attObj, callbackFn) {
+ var callbackObj = {success:false, id:replaceElemIdStr};
+ if (ua.w3 && !(ua.wk && ua.wk < 312) && swfUrlStr && replaceElemIdStr && widthStr && heightStr && swfVersionStr) {
+ setVisibility(replaceElemIdStr, false);
+ addDomLoadEvent(function() {
+ widthStr += ""; // auto-convert to string
+ heightStr += "";
+ var att = {};
+ if (attObj && typeof attObj === OBJECT) {
+ for (var i in attObj) { // copy object to avoid the use of references, because web authors often reuse attObj for multiple SWFs
+ att[i] = attObj[i];
+ }
+ }
+ att.data = swfUrlStr;
+ att.width = widthStr;
+ att.height = heightStr;
+ var par = {};
+ if (parObj && typeof parObj === OBJECT) {
+ for (var j in parObj) { // copy object to avoid the use of references, because web authors often reuse parObj for multiple SWFs
+ par[j] = parObj[j];
+ }
+ }
+ if (flashvarsObj && typeof flashvarsObj === OBJECT) {
+ for (var k in flashvarsObj) { // copy object to avoid the use of references, because web authors often reuse flashvarsObj for multiple SWFs
+ if (typeof par.flashvars != UNDEF) {
+ par.flashvars += "&" + k + "=" + flashvarsObj[k];
+ }
+ else {
+ par.flashvars = k + "=" + flashvarsObj[k];
+ }
+ }
+ }
+ if (hasPlayerVersion(swfVersionStr)) { // create SWF
+ var obj = createSWF(att, par, replaceElemIdStr);
+ if (att.id == replaceElemIdStr) {
+ setVisibility(replaceElemIdStr, true);
+ }
+ callbackObj.success = true;
+ callbackObj.ref = obj;
+ }
+ else if (xiSwfUrlStr && canExpressInstall()) { // show Adobe Express Install
+ att.data = xiSwfUrlStr;
+ showExpressInstall(att, par, replaceElemIdStr, callbackFn);
+ return;
+ }
+ else { // show alternative content
+ setVisibility(replaceElemIdStr, true);
+ }
+ if (callbackFn) { callbackFn(callbackObj); }
+ });
+ }
+ else if (callbackFn) { callbackFn(callbackObj); }
+ },
+
+ switchOffAutoHideShow: function() {
+ autoHideShow = false;
+ },
+
+ ua: ua,
+
+ getFlashPlayerVersion: function() {
+ return { major:ua.pv[0], minor:ua.pv[1], release:ua.pv[2] };
+ },
+
+ hasFlashPlayerVersion: hasPlayerVersion,
+
+ createSWF: function(attObj, parObj, replaceElemIdStr) {
+ if (ua.w3) {
+ return createSWF(attObj, parObj, replaceElemIdStr);
+ }
+ else {
+ return undefined;
+ }
+ },
+
+ showExpressInstall: function(att, par, replaceElemIdStr, callbackFn) {
+ if (ua.w3 && canExpressInstall()) {
+ showExpressInstall(att, par, replaceElemIdStr, callbackFn);
+ }
+ },
+
+ removeSWF: function(objElemIdStr) {
+ if (ua.w3) {
+ removeSWF(objElemIdStr);
+ }
+ },
+
+ createCSS: function(selStr, declStr, mediaStr, newStyleBoolean) {
+ if (ua.w3) {
+ createCSS(selStr, declStr, mediaStr, newStyleBoolean);
+ }
+ },
+
+ addDomLoadEvent: addDomLoadEvent,
+
+ addLoadEvent: addLoadEvent,
+
+ getQueryParamValue: function(param) {
+ var q = doc.location.search || doc.location.hash;
+ if (q) {
+ if (/\?/.test(q)) { q = q.split("?")[1]; } // strip question mark
+ if (param == null) {
+ return urlEncodeIfNecessary(q);
+ }
+ var pairs = q.split("&");
+ for (var i = 0; i < pairs.length; i++) {
+ if (pairs[i].substring(0, pairs[i].indexOf("=")) == param) {
+ return urlEncodeIfNecessary(pairs[i].substring((pairs[i].indexOf("=") + 1)));
+ }
+ }
+ }
+ return "";
+ },
+
+ // For internal usage only
+ expressInstallCallback: function() {
+ if (isExpressInstallActive) {
+ var obj = getElementById(EXPRESS_INSTALL_ID);
+ if (obj && storedAltContent) {
+ obj.parentNode.replaceChild(storedAltContent, obj);
+ if (storedAltContentId) {
+ setVisibility(storedAltContentId, true);
+ if (ua.ie && ua.win) { storedAltContent.style.display = "block"; }
+ }
+ if (storedCallbackFn) { storedCallbackFn(storedCallbackObj); }
+ }
+ isExpressInstallActive = false;
+ }
+ }
+ };
+}();
View
54 js/youtube-downloader.js
@@ -0,0 +1,54 @@
+var ytdl = {};
+
+(function() {
+
+// Copied from http://www.nczonline.net/blog/2009/07/28/the-best-way-to-load-external-javascript/
+function loadScript(url, callback){
+
+ var script = document.createElement("script");
+ script.type = "text/javascript";
+
+ script.onload = function(){
+ callback();
+ };
+
+ script.src = url;
+ document.getElementsByTagName("head")[0].appendChild(script);
+}
+
+loadScript('js/swfobject.js', function() { });
+
+var embededSwf = null;
+ytdl.init = function(loadedSwfCallback) {
+ if(embededSwf) {
+ loadedSwfCallback(embededSwf);
+ return;
+ }
+
+ window.HTTPGetLoadedCallback = function(success) {
+ loadedSwfCallback(embededSwf);
+ };
+ function loadedCallback(e) {
+ if(e.success) {
+ embededSwf = e;
+ } else {
+ loadedSwfCallback(e);
+ }
+ }
+
+ // This way if someone calls init again, we don't recreate the swf.
+ embededSwf = { success: true, ref: 'loading' };
+
+ var httpGetDiv = document.createElement('div');
+ httpGetDiv.id = 'HTTPGet';
+ document.body.appendChild(httpGetDiv);
+
+ var flashVars = {};
+ var params = {
+ allowScriptAccess: 'always'
+ };
+ swfobject.embedSWF("swf/HTTPGet.swf", httpGetDiv.id, "0", "0", "9.0.0", null, flashVars, params, null, loadedCallback);
+};
+
+
+})();
View
2 src/HTTPGet.as
@@ -63,6 +63,8 @@ package {
} catch(e:Error) {
handleError(this, e);
}
+
+ callJs('HTTPGetLoadedCallback', 'true');
}
public static function handleError(source:Object, e:Error):void {
View
BIN swf/HTTPGet.swf
Binary file not shown.

0 comments on commit 58176e5

Please sign in to comment.
Something went wrong with that request. Please try again.