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annotate js/modules/cache.js @ 75:312d4af344c2

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Fixed cache.js for iPad.
author Atul Varma <avarma@mozilla.com>
date Sun, 25 Apr 2010 19:31:19 -0700
parents 55c1b3647357
children 4bb45ff5788a
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55c1b3647357 cache now uses localstorage
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1 Require.modules["cache"] = function(exports, require) {
55c1b3647357 cache now uses localstorage
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2 var window = require("window");
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3 var cache = window.localStorage.getItem("cache");
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4
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312d4af344c2 Fixed cache.js for iPad.
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5 if (cache)
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6 cache = JSON.parse(cache);
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7 else
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8 cache = {};
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9
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10 exports.set = function set(key, value) {
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11 cache[key] = value;
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312d4af344c2 Fixed cache.js for iPad.
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12
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13 // Remove the key first, to get around a strange iPad
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14 // issue: http://stackoverflow.com/questions/2603682/is-anyone-else-receiving-a-quota-exceeded-err-on-their-ipad-when-accessing-locals
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15 window.localStorage.removeItem("cache");
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16
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17 // TODO: We should really catch QUOTA_EXCEEDED_ERR here,
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18 // which could be thrown if the user is in private
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19 // browsing mode.
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20 window.localStorage.setItem("cache", JSON.stringify(cache));
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21 };
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22 exports.get = function get(key) {
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23 return cache[key];
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24 };
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25 };