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use localStorage for user-doc redirect

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Chrome doesn't allow cookies for local files, so try
localStorage (and fall back to cookies where localStorage
is unavailable)
(cherry picked from commit 2312e3b9e6)
This commit is contained in:
Matthew Flatt 2013-11-27 10:04:17 -07:00 committed by Ryan Culpepper
parent 07d686f13c
commit 560d4c55ad
1 changed files with 27 additions and 15 deletions
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42
pkgs/scribble-pkgs/scribble-lib/scribble/scribble-common.js
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@ -53,28 +53,40 @@ function MergePageArgsIntoLink(a) {
// Cookies --------------------------------------------------------------------
// Actually, try localStorage (a la HTML 5), first.
function GetCookie(key, def) {
var i, cookiestrs;
try {
if (document.cookie.length <= 0) return def;
cookiestrs = document.cookie.split(/; */);
} catch (e) { return def; }
for (i = 0; i < cookiestrs.length; i++) {
var cur = cookiestrs[i];
var eql = cur.indexOf('=');
if (eql >= 0 && cur.substring(0,eql) == key)
return unescape(cur.substring(eql+1));
var v = localStorage[key];
if (!v) v = def;
return v;
} catch (e) {
var i, cookiestrs;
try {
if (document.cookie.length <= 0) return def;
cookiestrs = document.cookie.split(/; */);
} catch (e) { return def; }
for (i = 0; i < cookiestrs.length; i++) {
var cur = cookiestrs[i];
var eql = cur.indexOf('=');
if (eql >= 0 && cur.substring(0,eql) == key)
return unescape(cur.substring(eql+1));
}
return def;
}
return def;
}
function SetCookie(key, val) {
var d = new Date();
d.setTime(d.getTime()+(365*24*60*60*1000));
try {
document.cookie =
key + "=" + escape(val) + "; expires="+ d.toGMTString() + "; path=/";
} catch (e) {}
localStorage[key] = val;
} catch(e) {
var d = new Date();
d.setTime(d.getTime()+(365*24*60*60*1000));
try {
document.cookie =
key + "=" + escape(val) + "; expires="+ d.toGMTString() + "; path=/";
} catch (e) {}
}
}
// note that this always stores a directory name, ending with a "/"