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Merge pull request #613 from glowing-bear/add-settings-cache

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settings: add a cache
This commit is contained in:
Tor Hveem 2015-05-22 12:29:43 +02:00
parent 0647777e9e 0f706c37fe
commit 407050e577
1 changed files with 12 additions and 1 deletions
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13
js/settings.js
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@ -6,6 +6,13 @@ var weechat = angular.module('weechat');
weechat.factory('settings', ['$store', '$rootScope', function($store, $rootScope) {
var that = this;
this.callbacks = {};
// This cache is important for two reasons. One, angular hits it up really often
// (because it needs to check for changes and it's not very clever about it).
// Two, it prevents weird type conversion issues that otherwise arise in
// $store.parseValue (e.g. converting "123." to the number 123 even though it
// actually was the beginning of an IP address that the user was in the
// process of entering)
this.cache = {};
// Define a property for a setting, retrieving it on read
// and writing it to localStorage on write
@ -14,9 +21,13 @@ weechat.factory('settings', ['$store', '$rootScope', function($store, $rootScope
enumerable: true,
key: key,
get: function() {
return $store.get(key);
if (!(key in this.cache)) {
this.cache[key] = $store.get(key);
}
return this.cache[key];
},
set: function(newVal) {
this.cache[key] = newVal;
$store.set(key, newVal);
// Call any callbacks
var callbacks = that.callbacks[key];