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Added cookieless fallbacks for IE6+, FF2+ #1

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Added cookieless fallbacks for IE6+, FF2+ #1

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da7135b
Added globalStorage for older FF userData for IE7-
pzl Dec 1, 2012
92a9a75
avoid FOUC, scripts to opening body
pzl Dec 1, 2012
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64 changes: 49 additions & 15 deletions aware.js
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Original file line number Diff line number Diff line change
Expand Up @@ -8,32 +8,66 @@
by Ben Brown [email protected]
*/

var lastVisit = false;
var lastVisit = false,
setLastVisit,
getLastVisit;

/* Helpful little date helper here! */
Date.prototype.getDOY = function() {
var onejan = new Date(this.getFullYear(),0,1);
return Math.ceil((this - onejan) / 86400000);
}

function setLastVisit(date) {
if (window.localStorage) {
window.localStorage.setItem('lastVisit',date);
} else {
// fix this
// set a cookie
}

/* Browser fallback stack from https://github.com/marcuswestin/store.js */
function usesLocalStorage(){
try { return !!('localStorage' in window && window.localStorage); }
catch(err){ return false }
}
function usesGlobalStorage(){
try { return !!('globalStorage' in window && window.globalStorage); }
catch(err){ return false }
}


function getLastVisit() {
if (window.localStorage) {
return window.localStorage.getItem('lastVisit');
} else {
// fix this
// return from cookie
if (usesLocalStorage()){
setLastVisit = function(date) { window.localStorage.setItem('lastVisit',date); }
getLastVisit = function() { return window.localStorage.getItem('lastVisit'); }
} else if (usesGlobalStorage()){
setLastVisit = function(date) { window.globalStorage[window.location.hostname]['lastVisit'] = date; }
getLastVisit = function(){ return window.globalStorage[window.location.hostname]['lastvisit']; }
} else if (window.document.documentElement.addBehavior){
var storageContainer,
storageOwner,
elem;
try {
storageContainer = new ActiveXObject('htmlfile');
storageContainer.open();
storageContainer.write('<s' + 'cript>document.w=window</s' + 'cript><iframe src="/favicon.ico></iframe>');
storageContainer.close();
storageOwner = storageContainer.w.frames[0].document;
elem = storageOwner.createElement('div');
} catch(e){
elem = window.document.createElement('div');
storageOwner = window.document.body;
}
setLastVisit = function(date){
storageOwner.appendChild(elem);
elem.addBehavior('#default#userData');
elem.load('localStorage');
elem.setAttribute('lastVisit', date);
elem.save('localStorage');
storageOwner.removeChild(elem);
}
getLastVisit = function(){
storageOwner.appendChild(elem);
elem.addBehavior('#default#userData');
elem.load('localStorage');
var result = elem.getAttribute('lastVisit');
storageOwner.removeChild(elem);
return result;
}
}


function pluralizeString(num,str) {
if (num==1) {
Expand Down
24 changes: 13 additions & 11 deletions demo.html
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Original file line number Diff line number Diff line change
@@ -1,13 +1,8 @@
<!DOCTYPE html>
<html>
<head>
<title>Reader Aware Design Demo</title>
<script src="http://xoxco.com/js/jquery.min.js"></script>
<script src="aware.js"></script>
<script>
$(function() {
$('.post,#links li,#featured li').aware();
$('.post').shkmark();
});
</script>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" >
<style>
body { margin: 0; }
a:visited { color: #000; }
Expand Down Expand Up @@ -213,7 +208,14 @@
</head>

<body>

<script src="http://xoxco.com/js/jquery.min.js"></script>
<script src="aware.js"></script>
<script>
$(function() {
$('.post,#links li,#featured li').aware();
$('.post').shkmark();
});
</script>
<div style="background: #5DACE2; color: #FFF; padding: 5px; text-align: right;">
Powered by Aware.js: <a href="http://xoxco.com/projects/code/aware/">Get the code</a>
</div>
Expand Down Expand Up @@ -392,5 +394,5 @@ <h2><a href="demo.html" class="permalink">Newish post</a></h2>
</ul>

</div>

</body>
</body>
</html>