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fix bug #105: Scroll position save / sync

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This commit is contained in:
Nicolas Lœuillet 2013-09-17 13:27:16 +02:00
parent d62dfd88d2
commit a8778dc23e
2 changed files with 44 additions and 0 deletions
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25
tpl/js/restoreScroll.js Normal file
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@ -0,0 +1,25 @@
function supportsLocalStorage() {
try {
return 'localStorage' in window && window['localStorage'] !== null;
} catch (e) {
return false;
}
}
function savePercent(id, percent) {
if (!supportsLocalStorage()) { return false; }
localStorage["poche.article." + id + ".percent"] = percent;
return true;
}
function retrievePercent(id) {
if (!supportsLocalStorage()) { return false; }
var bheight = $(document).height();
var percent = localStorage["poche.article." + id + ".percent"];
var scroll = bheight * percent;
$('html,body').animate({scrollTop: scroll}, 'fast');
return true;
}