92 lines
2 KiB
JavaScript
92 lines
2 KiB
JavaScript
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'use strict';
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angular.module('copayApp.services')
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.factory('localStorageService', function() {
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var isChromeApp = typeof window !== "undefined" && window.chrome && chrome.runtime && chrome.runtime.id;
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var root = {};
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var ls = ((typeof localStorage !== "undefined") ? localStorage : null);
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if (isChromeApp && !ls) {
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ls = localStorage = chrome.storage.local;
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window.localStorage = chrome.storage.local;
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}
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if (!ls)
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throw new Error('localstorage not available, cannot run plugin');
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root.init = function() {};
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root.get = function(k, cb) {
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if (isChromeApp) {
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chrome.storage.local.get(k,
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function(data) {
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//TODO check for errors
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return cb(null, data[k]);
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});
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} else {
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return cb(null, ls.getItem(k));
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}
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};
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/**
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* Same as setItem, but fails if an item already exists
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*/
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root.create = function(name, value, callback) {
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root.get(name,
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function(err, data) {
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if (data) {
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return callback('EEXISTS');
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} else {
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return root.set(name, value, callback);
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}
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});
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};
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root.set = function(k, v, cb) {
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if (isChromeApp) {
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var obj = {};
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obj[k] = v;
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chrome.storage.local.set(obj, cb);
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} else {
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ls.setItem(k, v);
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return cb();
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}
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};
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root.remove = function(k, cb) {
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if (isChromeApp) {
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chrome.storage.local.remove(k, cb);
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} else {
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ls.removeItem(k);
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return cb();
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}
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};
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root.clear = function(cb) {
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// NOP
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return cb();
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};
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root.list = function(cb) {
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if (isChromeApp) {
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chrome.storage.local.get(null, function(items) {
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return cb(null, lodash.keys(items));
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});
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} else {
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var ret = [];
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var l = ls.length;
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for (var i = 0; i < l; i++)
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ret.push(ls.key(i));
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return cb(null, ret);
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}
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};
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return root;
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});
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