[github/wallabag/wallabag.git] / app / Resources / static / themes / _global / js / restoreScroll.js

function supportsLocalStorage() {
    try {
        return 'localStorage' in window && window['localStorage'] !== null;
    } catch (e) {
        return false;
    }
}

function savePercent(id, percent) {
    if (!supportsLocalStorage()) { return false; }
    localStorage["wallabag.article." + id + ".percent"] = percent;
    return true;
}

function retrievePercent(id) {
    if (!supportsLocalStorage()) { return false; }

    var bheight = $(document).height();
    var percent = localStorage["wallabag.article." + id + ".percent"];
    var scroll = bheight * percent;

    $('html,body').animate({scrollTop: scroll}, 'fast');

    return true;
}
Commit	Line	Data
	1	function supportsLocalStorage() {
	2	try {
	3	return 'localStorage' in window && window['localStorage'] !== null;
	4	} catch (e) {
	5	return false;
	6	}
	7	}
	8
	9	function savePercent(id, percent) {
	10	if (!supportsLocalStorage()) { return false; }
	11	localStorage["wallabag.article." + id + ".percent"] = percent;
	12	return true;
	13	}
	14
	15	function retrievePercent(id) {
	16	if (!supportsLocalStorage()) { return false; }
	17
	18	var bheight = $(document).height();
	19	var percent = localStorage["wallabag.article." + id + ".percent"];
	20	var scroll = bheight * percent;
	21
	22	$('html,body').animate({scrollTop: scroll}, 'fast');
	23
	24	return true;
	25	}