rooty/OwncloudContactsOfficial
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Code Issues Releases Activity

Add localStorage test. Fix #453

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This commit is contained in:
Thomas Tanghus 2014-04-01 03:38:49 +02:00
parent 06f865beeb
commit f1801deb79
1 changed files with 29 additions and 4 deletions
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33
js/storage.js
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@ -57,6 +57,28 @@ OC.Contacts = OC.Contacts || {};
this.user = user ? user : OC.currentUser;
};
/**
* Test if localStorage is working
*
* @return bool
*/
Storage.prototype.hasLocalStorage = function(jqXHR) {
if (Modernizr) {
if (!Modernizr.localStorage) {
return false;
}
}
// Some browsers report support but doesn't have it
// e.g. Safari in private browsing mode.
try {
OC.localStorage.setItem('Hello', 'World');
OC.localStorage.removeItem('Hello');
} catch (e) {
return false;
}
return true;
};
/**
* When the response isn't returned from requestRoute(), you can
* wrap it in a JSONResponse so that it's parsable by other objects.
@ -148,7 +170,7 @@ OC.Contacts = OC.Contacts || {};
Storage.prototype.deleteAddressBook = function(backend, addressBookId) {
var key = 'contacts::' + backend + '::' + addressBookId;
if(OC.localStorage.hasItem(key)) {
if(this.hasLocalStorage() && OC.localStorage.hasItem(key)) {
OC.localStorage.removeItem(key);
}
@ -233,12 +255,13 @@ OC.Contacts = OC.Contacts || {};
* }
*/
Storage.prototype.getContacts = function(backend, addressBookId) {
var headers = {},
var self = this,
headers = {},
data,
key = 'contacts::' + backend + '::' + addressBookId,
defer = $.Deferred();
if(OC.localStorage.hasItem(key)) {
if(this.hasLocalStorage() && OC.localStorage.hasItem(key)) {
data = OC.localStorage.getItem(key);
headers['If-None-Match'] = data.Etag;
}
@ -255,7 +278,9 @@ OC.Contacts = OC.Contacts || {};
console.log('Returning fetched address book');
if(response.data) {
response.data.Etag = response.getResponseHeader('Etag');
OC.localStorage.setItem(key, response.data);
if (!self.hasLocalStorage()) {
OC.localStorage.setItem(key, response.data);
}
defer.resolve(response);
}
} else if(response.statusCode === 304) {