Files
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

59 lines
1.6 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
const { Cc, Ci, Cu } = require("chrome");
const { Class } = require("sdk/core/heritage");
const { EventTarget } = require("sdk/event/target");
const { emit } = require("sdk/event/core");
const promise = require("promise");
/**
* A Store object maintains a collection of Resource objects stored in a tree.
*
* The Store class should not be instantiated directly. Instead, you should
* use a class extending it - right now this is only a LocalStore.
*
* Events:
* This object emits the 'resource-added' and 'resource-removed' events.
*/
var Store = Class({
extends: EventTarget,
/**
* Should be called during initialize() of a subclass.
*/
initStore: function() {
this.resources = new Map();
},
refresh: function() {
return promise.resolve();
},
/**
* Return a sorted Array of all Resources in the Store
*/
allResources: function() {
var resources = [];
function addResource(resource) {
resources.push(resource);
resource.childrenSorted.forEach(addResource);
}
addResource(this.root);
return resources;
},
notifyAdd: function(resource) {
emit(this, "resource-added", resource);
},
notifyRemove: function(resource) {
emit(this, "resource-removed", resource);
}
});
exports.Store = Store;