Local infodisplay runner
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5 changed files with 157 additions and 3 deletions
38
infodisplay/index.html
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38
infodisplay/index.html
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@ -0,0 +1,38 @@
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>c-flo info display</title>
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<script src="/dist/infodisplay.js" type="text/javascript"></script>
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<script src="infodisplay.js" type="text/javascript"></script>
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<style>
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body {
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margin: 0px;
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padding: 0px;
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background-color: #000000;
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overflow: hidden;
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}
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iframe {
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position: absolute;
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top: 0px;
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left: 0px;
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width: 100vw;
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height: 100vh;
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margin: 0px;
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padding: 0px;
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border: 0px;
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background-color: #000000;
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transition: opacity 0.3s ease-in-out;
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overflow: hidden;
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opacity: 1;
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}
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iframe#next {
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opacity: 0;
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}
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</style>
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</head>
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<body>
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<iframe id="current"></iframe>
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<iframe id="next"></iframe>
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</body>
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</html>
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94
infodisplay/infodisplay.js
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94
infodisplay/infodisplay.js
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@ -0,0 +1,94 @@
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var msgflo = window.infodisplay.msgflo;
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var timeout = null;
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var getRotationUrl = function (urls, current) {
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var newUrl = urls[Math.floor(Math.random() * urls.length)];
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if (newUrl === current && urls.length > 1) {
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// Flip the coin again
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return getRotationUrl(urls, current);
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}
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return newUrl;
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};
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var DisplayParticipant = function (broker, role, defaultUrls, timer) {
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var urls = defaultUrls;
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var def = {
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component: 'msgflo-browser/infodisplay',
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label: 'Browser-based information display',
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icon: 'television',
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inports: [
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{
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id: 'open',
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type: 'string'
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},
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{
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id: 'urls',
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type: 'array'
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}
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],
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outports: [
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{
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id: 'opened',
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type: 'string'
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},
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{
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id: 'urls',
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type: 'array',
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hidden: true
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}
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]
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};
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var process = function (inport, indata, callback) {
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var current = document.getElementById('current');
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var next = document.getElementById('next');
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if (inport === 'urls') {
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// Update URL listing
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urls = indata;
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return callback('urls', null, urls);
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}
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next.onerror = function (err) {
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next.onload = null;
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next.onerror = null;
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participant.send('open', getRotationUrl(urls, indata));
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}
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next.onload = function () {
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next.onload = null;
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next.onerror = null;
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// Cross-fade
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next.id = 'current';
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current.id = 'next';
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if (timeout) {
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clearTimeout(timeout);
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}
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timeout = setTimeout(function () {
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participant.send('open', getRotationUrl(urls, indata));
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}, timer);
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return callback('opened', null, next.getAttribute('src'));
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};
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next.setAttribute('src', indata);
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// Rotate internal URLs list
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};
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var client = new msgflo.mqtt.Client(broker, {});
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var participant = new msgflo.participant.Participant(client, def, process, role);
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return participant;
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}
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window.addEventListener('load', function () {
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var params = msgflo.options({
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broker: 'mqtt://c-beam.cbrp3.c-base.org:1882',
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role: 'infodisplay',
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urls: [
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'http://c-beam.cbrp3.c-base.org/he1display',
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'https://c-base.org'
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],
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timer: 120000,
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});
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var p = DisplayParticipant(params.broker, params.role, params.urls, params.timer);
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p.start(function (err) {
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if (err) {
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console.error(err);
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return;
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}
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p.send('open', getRotationUrl(params.urls));
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});
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}, false);
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5
msgflo.js
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5
msgflo.js
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import msgflo from 'msgflo-browser';
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export {
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msgflo,
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};
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@ -14,6 +14,7 @@
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"dependencies": {
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"@webcomponents/webcomponentsjs": "^1.0.19",
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"d3": "^4.12.0",
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"msgflo-browser": "^0.2.0",
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"plotly.js": "^1.31.2",
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"skatejs": "^5.0.0-beta.4"
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},
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@ -27,6 +28,7 @@
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"eslint-config-airbnb-base": "^12.1.0",
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"eslint-plugin-import": "^2.8.0",
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"http-server": "^0.10.0",
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"msgflo-nodejs": "^0.11.1",
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"webpack": "^3.8.1"
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}
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}
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@ -1,13 +1,19 @@
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module.exports = {
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entry: './index.js',
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entry: {
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infoscreens: './index.js',
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infodisplay: './msgflo.js',
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},
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output: {
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path: __dirname,
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filename: 'dist/infoscreens.js'
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filename: 'dist/[name].js',
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library: '[name]',
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libraryTarget: 'umd',
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},
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module: {
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rules: [
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{
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test: /\.js$/,
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exclude: /paho.mqtt.js/,
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use: {
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loader: 'babel-loader',
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options: {
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}
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}
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]
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}
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},
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externals: {
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newrelic: 'commonjs newrelic',
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tv4: 'commonjs tv4',
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'ampqlib/callback_api': 'commonjs ampqlib/callback_api',
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mqtt: 'commonjs mqtt',
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},
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node: {
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fs: 'empty',
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},
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};
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