b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
64 lines
1.2 KiB
JavaScript
Executable file
64 lines
1.2 KiB
JavaScript
Executable file
(function() {
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'use strict';
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if (window.wrappedJSObject.ObjectCache !== undefined) {
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// Don't redefine ObjectCache!
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return;
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}
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/**
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* @constructor
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*/
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function ObjectCache() {
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}
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ObjectCache.prototype = {
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/**
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* Find the gecko object that corresponds to some node object.
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* @param {string} key Some id.
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*/
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get: function(key) {
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return this._cache[key];
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},
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/**
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* Add some gecko object to the client's object cache.
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* @param {Object} obj Gecko object.
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* @param {string} opt_key Optional key to store obj on.
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* @return {string} The key that we end up storing obj on.
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*/
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set: function(obj, opt_key) {
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var key = opt_key || this.getNextId();
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this._cache[key] = obj;
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return key;
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},
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/**
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* Generate a new, unique id.
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* @return {string}
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*/
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getNextId: function() {
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this._nextId += 1;
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return this._nextId.toString();
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},
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/**
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* Map from id to gecko objects.
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* @type {Object<string, Object>}
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*/
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_cache: {},
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/**
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* @type {number} Count of number of ids we've generated.
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*/
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_nextId: 0
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};
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ObjectCache._inst = new ObjectCache();
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window.wrappedJSObject.ObjectCache = ObjectCache;
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})();
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