video-bubbles/src/renderer-process/js/flocking-midi-select-ng/auto-midi-system.js

<img src="images/bubbles-logo.svg" alt="Bubbles logo" width="50%" />

/*!
* Flocking Next Generation MIDI System
* https://github.com/colinbdclark/flocking
*
* Copyright 2019, Tony Atkins and Colin Clark
* Dual licensed under the MIT or GPL Version 2 licenses.
*/

"use strict";

var flock = fluid.registerNamespace("flock");

fluid.defaults("flock.auto.midi.system", {
    gradeNames: ["flock.midi.system", "fluid.modelComponent"],
    model: {
        ports: {}
    },
    listeners: {
        "onAccessGranted.bindAutoRefresh": {
            priority: "after:refreshPorts",
            funcName: "flock.auto.midi.system.listenForChanges",
            args:     ["{that}", "{arguments}.0"] // accessObject
        },
        "onPortsAvailable.modelisePorts": {
            funcName: "flock.auto.midi.system.modelisePorts",
            args:     ["{that}"]
        }
    }
});

flock.auto.midi.system.listenForChanges = function (that, access) {
    if (access) {
        access.onstatechange = that.refreshPorts;
    }
};

// modelise the ports ourselves until the underlying component does it for us:
// https://github.com/colinbdclark/Flocking/blob/dd6a9c405658ab11b5b177e2f252a3039c84aece/src/web/midi.js#L340
flock.auto.midi.system.modelisePorts = function (that) {
    // expressly delete the entire existing value and replace with the current member variable.
    fluid.fireChanges(that.applier, [
        { path: "ports", type: "DELETE" },
        { path: "ports", value: that.ports }
    ]);
};