Created
May 18, 2011 23:31
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Picasa photo frame
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Photos</title> | |
| <style> | |
| html, body { padding: 0; margin: 0; background-color: black; color: white; width: 100%; height: 100%; } | |
| #photo { background-repeat: no-repeat; background-position: center; background-size: auto 100%; width: 100%; height: 100%; } | |
| #msg { position: fixed; bottom: 0; right: 0; text-align: right; color: white; font-size: 10px } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="photo"/> | |
| <div id="msg"/> | |
| <script type="text/javascript"> | |
| var users = ['sparkleysprout', 'jollytoad'], | |
| photos = [], | |
| img = document.getElementById("photo"), | |
| msg = document.getElementById("msg"), | |
| head = document.getElementsByTagName("head")[0]; | |
| function jsonp(url, delay) { | |
| window.setTimeout(function() { | |
| var script = document.createElement("script"); | |
| script.type = "text/javascript"; | |
| script.src = url; | |
| head.appendChild(script); | |
| }, delay); | |
| } | |
| function getAlbums(user) { | |
| msg.innerText = "Loading " + user; | |
| jsonp("http://picasaweb.google.com/data/feed/api/user/"+user+"?v=2&fields=title,entry(title,link[@rel='http://schemas.google.com/g/2005%23feed'](@href))&alt=json-in-script&callback=gotAlbums", 0); | |
| } | |
| function gotAlbums(data) { | |
| msg.innerText = "Loaded " + data.feed.title.$t; | |
| data.feed.entry.forEach(getPhotos); | |
| } | |
| function getPhotos(album) { | |
| msg.innerText = "Loading " + album.title.$t; | |
| album.link.forEach(function(link, i) { | |
| jsonp(link.href+"&fields=title,entry(content(@src))&callback=gotPhotos", i*10); | |
| }); | |
| } | |
| function gotPhotos(data) { | |
| msg.innerText = "Loaded " + data.feed.title.$t; | |
| data.feed.entry.forEach(function(entry) { | |
| photos.push(entry.content.src); | |
| }); | |
| } | |
| function showRandomPhoto() { | |
| var i = Math.floor(Math.random()*photos.length), | |
| url = photos[i]; | |
| if (url) { | |
| msg.innerText = url.replace(/^.*\//, "") | |
| img.style.backgroundImage = 'url(' + url + ')'; | |
| } | |
| window.setTimeout(showRandomPhoto, 5000); | |
| } | |
| msg.innerText = "Loading..."; | |
| users.forEach(getAlbums); | |
| showRandomPhoto(); | |
| </script> | |
| </body> | |
| </html> |
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