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re-enable local storage (use sessionStorage for cache)

This commit is contained in:
Andrew Dolgov 2010-11-21 18:12:50 +03:00
parent e121848048
commit dbf8845e3b
3 changed files with 16 additions and 17 deletions
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7
functions.js
View File

@ -1200,12 +1200,11 @@ function backend_sanity_check_callback(transport) {
}
function has_local_storage() {
return false;
/* try {
return 'localStorage' in window && window['localStorage'] != null;
try {
return 'sessionStorage' in window && window['sessionStorage'] != null;
} catch (e) {
return false;
} */
}
}
function catSelectOnChange(elem) {

2
tt-rss.js
View File

@ -357,7 +357,7 @@ function init_second_stage() {
loading_set_progress(30);
if (has_local_storage())
localStorage.clear();
sessionStorage.clear();
console.log("second stage ok");

24
viewfeed.js
View File

@ -1267,7 +1267,7 @@ function cache_inject(id, article, param) {
cache_added["TS:" + id] = ts;
if (has_local_storage())
localStorage.setItem(id, JSON.stringify(cache_obj));
sessionStorage.setItem(id, JSON.stringify(cache_obj));
else
article_cache.push(cache_obj);
@ -1282,7 +1282,7 @@ function cache_inject(id, article, param) {
function cache_find(id) {
if (has_local_storage()) {
var cache_obj = localStorage.getItem(id);
var cache_obj = sessionStorage.getItem(id);
if (cache_obj) {
cache_obj = JSON.parse(cache_obj);
@ -1307,7 +1307,7 @@ function cache_find_param(id, param) {
if (param) id = id + ":" + param;
var cache_obj = localStorage.getItem(id);
var cache_obj = sessionStorage.getItem(id);
if (cache_obj) {
cache_obj = JSON.parse(cache_obj);
@ -1329,7 +1329,7 @@ function cache_find_param(id, param) {
function cache_check(id) {
if (has_local_storage()) {
if (localStorage.getItem(id))
if (sessionStorage.getItem(id))
return true;
} else {
for (var i = 0; i < article_cache.length; i++) {
@ -1346,7 +1346,7 @@ function cache_check_param(id, param) {
if (param) id = id + ":" + param;
if (localStorage.getItem(id))
if (sessionStorage.getItem(id))
return true;
} else {
@ -1365,12 +1365,12 @@ if (has_local_storage()) {
var date = new Date();
var timestamp = Math.round(date.getTime() / 1000);
for (var i = 0; i < localStorage.length; i++) {
for (var i = 0; i < sessionStorage.length; i++) {
var id = localStorage.key(i);
var id = sessionStorage.key(i);
if (timestamp - cache_added["TS:" + id] > 180) {
localStorage.removeItem(id);
sessionStorage.removeItem(id);
}
}
@ -1383,7 +1383,7 @@ if (has_local_storage()) {
function cache_flush() {
if (has_local_storage()) {
localStorage.clear();
sessionStorage.clear();
} else {
article_cache = new Array();
}
@ -1395,13 +1395,13 @@ function cache_invalidate(id) {
var found = false;
for (var i = 0; i < localStorage.length; i++) {
var key = localStorage.key(i);
for (var i = 0; i < sessionStorage.length; i++) {
var key = sessionStorage.key(i);
// console.warn("cache_invalidate: " + key_id + " cmp " + id);
if (key == id || key.indexOf(id + ":") == 0) {
localStorage.removeItem(key);
sessionStorage.removeItem(key);
found = true;
break;
}