Created
April 21, 2011 12:20
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Ideelabor pildirakendus
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" | |
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> | |
<html xmlns="http://www.w3.org/1999/xhtml"> | |
<head> | |
<title>img</title> | |
<link rel="stylesheet" href="css/supersized.css" type="text/css" media="screen" /> | |
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.0/jquery.min.js"></script> | |
<script type="text/javascript" src="js/supersized.3.1.3.min.js"></script> | |
<script src="main.js" type="text/javascript"></script> | |
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | |
</head> | |
<body> | |
<input id="kblistener" style="position: absolute; left: -1000px" /> | |
<div id="loading-message" style="visibility: hidden; position: absolute; top: 20px; left: 20px; z-index: 10000; background-color: white">Värskendan...</div> | |
</body> | |
</html> |
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// Begin configuration | |
MAX_NUM_IMAGES = 15; | |
URL_TO_PING = 'http://localhost:8080/action'; | |
DELAY_BEFORE_RELOAD = 2000; | |
KB_RESTORE_FOCUS_INTERVAL = 1000; | |
RETRY_LOAD_DELAY = 5000; | |
SUPERSIZED_OPTIONS = { | |
image_protect: 0, keyboard_nav: 0, navigation: 0, thumbnail_navigation: 0, | |
slide_counter: 0, slide_caption: 0, slide_captions: 0 | |
}; | |
// End configuration | |
$(function() { | |
beginLoad(); | |
setupKbListener(); | |
}); | |
function beginLoad() { | |
var loadedCount = 0; | |
var loadedImages = []; | |
for (var i = 0; i < MAX_NUM_IMAGES; i += 1) { | |
var img = new Image(); | |
img.src = "pilt" + i + ".jpg"; | |
console.debug("sent request for " + img.src); | |
img.onload = img.onabort = function() { | |
console.debug("onload or onabort called: ", this.src); | |
loadedImages.push(this.src); | |
startSlideshowIfFinished(); | |
}; | |
img.onerror = function() { | |
console.debug("failed to load: ", this.src); | |
startSlideshowIfFinished(); | |
}; | |
} | |
function startSlideshowIfFinished() { | |
if (++loadedCount === MAX_NUM_IMAGES) { | |
console.debug("loading completed"); | |
if (loadedImages.length === 0) { | |
console.debug("no images were loaded; retrying in %sms...", RETRY_LOAD_DELAY); | |
setTimeout(function () { location.reload(); }, | |
RETRY_LOAD_DELAY); | |
return; | |
} | |
startSlideshow(loadedImages); | |
} | |
} | |
} | |
function startSlideshow(images) { | |
console.debug("starting slideshow of %s images", images.length); | |
images.sort(); | |
console.debug("images = ", $(images).map(function (_, i) { return i.split('/').pop(); })); | |
var slides = $(images).map(function (_, image) { | |
return {image: image}; | |
}); | |
SUPERSIZED_OPTIONS.slides = slides; | |
$.supersized(SUPERSIZED_OPTIONS); | |
} | |
function setupKbListener() { | |
$('#kblistener').focus().bind('keydown', function(event) { | |
if (event.keyCode !== 32) // Space | |
return; | |
$('#loading-message').css('visibility', 'visible'); | |
$.get(URL_TO_PING) | |
setTimeout(function() { location.reload(); }, | |
DELAY_BEFORE_RELOAD); | |
}); | |
// Make sure the focus stays there: | |
setInterval(function() { $('#kblistener').focus(); }, | |
KB_RESTORE_FOCUS_INTERVAL); | |
} | |
if (typeof console === 'undefined') | |
console = {debug: $.noop, error: $.noop}; |
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