js/service/publisher.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

/**
 * ownCloud - News
 *
 * This file is licensed under the Affero General Public License version 3 or
 * later. See the COPYING file.
 *
 * @author Bernhard Posselt <dev@bernhard-posselt.com>
 * @copyright Bernhard Posselt 2014
 */
app.service('Publisher', function () {
    'use strict';

    var self = this;
    this.channels = {};

    this.subscribe = function (object) {
        return {
            toChannel: function (channel) {
                self.channels[channel] = self.channels[channel] || [];
                self.channels[channel].push(object);
            }
        };
    };

    this.publish = function (value) {
        return {
            onChannel: function (channel) {
                self.channels[channel].forEach(function (object) {
                    object.receive(value);
                });
            }
        };
    };

});