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interface.html
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<html>
<head>
<title>Snapcast Interface</title>
<script>
var connection = new WebSocket('ws://volumio-test:1780', 'binary');
//var connection = new WebSocket('ws://' + window.location.hostname + ':2027', 'binary');
connection.binaryType = 'arraybuffer';
var server;
connection.onmessage = function (e) {
var recv = String.fromCharCode.apply(null, new Uint8Array(e.data));
// console.log(recv);
var answer = JSON.parse(recv);
console.log(answer)
if (answer.id == 1) {
server = answer.result;
} else if (Array.isArray(answer)) {
for (let i = 0; i < answer.length; i++) {
action(answer[i]);
}
} else {
action(answer);
}
show()
}
connection.onopen = function () {
send('{"id":1,"jsonrpc":"2.0","method":"Server.GetStatus"}}\n')
}
connection.onerror = function () {
alert("error");
}
function action(answer) {
switch (answer.method) {
case 'Client.OnVolumeChanged':
case 'Client.OnLatencyChanged':
case 'Client.OnNameChanged':
clientChange(answer.params);
break;
case 'Client.OnConnect':
case 'Client.OnDisconnect':
clientConnect(answer.params);
break;
case 'Group.OnMute':
groupMute(answer.params);
break;
case 'Group.OnStremChanged':
groupStream(answer.params);
break;
case 'Stream.OnUpdate':
streamUpdate(answer.params);
break;
case 'Server.OnUpdate':
server = answer.params;
break;
default:
break;
}
}
function send(str) {
var buf = new ArrayBuffer(str.length);
var bufView = new Uint8Array(buf);
for (var i = 0, strLen = str.length; i < strLen; i++) {
bufView[i] = str.charCodeAt(i);
}
// console.log(buf);
var recv = String.fromCharCode.apply(null, new Uint8Array(buf));
// console.log(recv);
connection.send(buf)
}
function clientChange(params) {
// Update the client configuration with one from params
for (let i_group = 0; i_group < server.server.groups.length; i_group++) {
for (let i_client = 0; i_client < server.server.groups[i_group].clients.length; i_client++) {
if (server.server.groups[i_group].clients[i_client].id == params.id) {
server.server.groups[i_group].clients[i_client].config = Object.assign(server.server.groups[i_group].clients[i_client].config, params);
}
}
}
}
function clientConnect(params) {
// Update all client info
for (let i_group = 0; i_group < server.server.groups.length; i_group++) {
for (let i_client = 0; i_client < server.server.groups[i_group].clients.length; i_client++) {
if (server.server.groups[i_group].clients[i_client].id == params.client.id) {
server.server.groups[i_group].clients[i_client] = params.client;
// console.log(server.server.groups[i_group].clients[i_client]);
}
}
}
}
function groupMute(params) {
// Set group mute boolean
for (let i_group = 0; i_group < server.server.groups.length; i_group++) {
if (server.server.groups[i_group].id == params.id) {
server.server.groups[i_group].muted = params.mute;
}
}
}
function groupStream(params) {
// Set group stream id
for (let i_group = 0; i_group < server.server.groups.length; i_group++) {
if (server.server.groups[i_group].id == params.id) {
server.server.groups[i_group].stream_id = params.stream_id;
}
}
}
function streamUpdate(params) {
// Update all stream inforamtion
for (let i_stream = 0; i_stream < server.server.streams.length;) {
if (server.server.streams[i_stream].id == params.id) {
server.server.streams[i_stream] = params.stream;
// console.log(server.server.streams[i_stream]);
}
}
}
function show() {
// Render the page
var content = "";
for (let i_group = 0; i_group < server.server.groups.length; i_group++) {
// Set mute variables
var classgroup;
var unmuted;
var mutetext;
if (server.server.groups[i_group].muted == true) {
classgroup = 'groupmuted';
unmuted = 'false';
mutetext = '🔇';
} else {
classgroup = 'group';
unmuted = 'true';
mutetext = '🔊';
}
// Start group div
content += "<div id='g_" + server.server.groups[i_group].id + "' class='" + classgroup + "'>";
// Create stream selection dropdown
var streamselect = "<select id='stream_" + server.server.groups[i_group].id + "' onchange='setStream(\"" + server.server.groups[i_group].id + "\")' class='stream'>"
for (let i_stream = 0; i_stream < server.server.streams.length; i_stream++) {
var streamselected = "";
if (server.server.groups[i_group].stream_id == server.server.streams[i_stream].id) {
streamselected = 'selected'
}
streamselect += "<option value='" + server.server.streams[i_stream].id + "' " + streamselected + ">" + server.server.streams[i_stream].id + ": " + server.server.streams[i_stream].status + "</option>";
}
streamselect += "</select>";
content += streamselect;
// Group mute and refresh button
content += " <a href=\"javascript:setMuteGroup('" + server.server.groups[i_group].id + "','" + unmuted + "');\" class='mutebuttongroup'>" + mutetext + "</a>";
content += "<input type='button' value='Refresh' class='refreshbutton' onclick='javascript: location.reload()'>";
content += "<br/>";
// Create clients in group
for (let i_client = 0; i_client < server.server.groups[i_group].clients.length; i_client++) {
var sv = server.server.groups[i_group].clients[i_client];
// Set name and connection state vars, start client div
var name;
var clas = 'client'
if (sv.config.name != "") {
name = sv.config.name;
} else {
name = sv.host.name;
}
if (sv.connected == false) {
clas = 'disconnected';
}
content = content + "<div id='c_" + sv.id + "' class='" + clas + "'>";
// Client mute status vars
var unmuted;
var mutetextclient;
var sliderclass;
if (sv.config.volume.muted == true) {
unmuted = 'false';
sliderclass = 'slidermute';
mutetext = '🔇';
} else {
sliderclass = 'slider'
unmuted = 'true';
mutetext = '🔊';
}
// Client group selection vars
var groupselect = "<select id='group_" + sv.id + "' onchange='setGroup(\"" + sv.id + "\")'>";
for (let o_group = 0; o_group < server.server.groups.length; o_group++) {
var groupselected = "";
if (o_group == i_group) {
groupselected = 'selected'
}
groupselect = groupselect + "<option value='" + server.server.groups[o_group].id + "' " + groupselected + ">Group " + o_group + " (" + server.server.groups[o_group].clients.length + " Clients)</option>";
}
groupselect = groupselect + "<option value='new'>new</option>";
groupselect = groupselect + "</select>"
// Populate client div
content = content + " <a href=\"javascript:setVolume('" + sv.id + "','" + unmuted + "');\" class='mutebutton'>" + mutetext + "</a>";
content = content + "<div class='sliders'><div class='sliderdiv'><input type='range' min=0 max=100 step=1 id='vol_" + sv.id + "' onchange='javascript:setVolume(\"" + sv.id + "\",\"" + sv.config.volume.muted + "\")' value=" + sv.config.volume.percent + " class='" + sliderclass + "' orient='vertical'></div>";
content = content + "<div class='finebg'>++<br>+<br>0<br>-<br>--</div><div class='sliderdiv_fine'><input type='range' min=0 max=10 step=1 id='vol_fine_" + sv.id + "' onchange='javascript:setVolume(\"" + sv.id + "\",\"" + sv.config.volume.muted + "\")' value=5 class='" + sliderclass + "_fine' orient='vertical'></div></div>";
content = content + " <a href=\"javascript:setName('" + sv.id + "');\" class='edit'>✎</a>";
content = content + name;
content = content + groupselect;
content = content + "</div>";
}
content = content + "</div>"
}
// Pad then update page
content = content + "<br><br>";
document.getElementById('show').innerHTML = content;
}
function setVolume(id, mute) {
percent = document.getElementById('vol_' + id).value;
percent_fine = document.getElementById('vol_fine_' + id).value;
// Take away 5 as it's the default of the fine slider. Only relevant if it
// has changed
percent = Number(percent) + Number(percent_fine) - 5;
if (percent < 0) {
percent = 0
}
else if (percent > 100) {
percent = 100
}
// Request changes
send('{"id":8,"jsonrpc":"2.0","method":"Client.SetVolume","params":{"id":"' + id + '","volume":{"muted":' + mute + ',"percent":' + percent + '}}}}\n')
// Make updates to server info and refresh content
for (let i_group = 0; i_group < server.server.groups.length; i_group++) {
for (let i_client = 0; i_client < server.server.groups[i_group].clients.length; i_client++) {
var sv = server.server.groups[i_group].clients[i_client];
if (sv.id == id) {
if (mute == 'true') {
sv.config.volume.muted = true;
}
if (mute == 'false') {
sv.config.volume.muted = false;
}
sv.config.volume.percent = percent;
}
}
}
show()
}
function setMuteGroup(id, what) {
send('{"id":"MuteGroup_' + id + '","jsonrpc":"2.0","method":"Group.SetMute","params":{"id":"' + id + '","mute":' + what + '}}}\n')
for (let i_group = 0; i_group < server.server.groups.length; i_group++) {
if (server.server.groups[i_group].id == id) {
if (what == 'true') {
server.server.groups[i_group].muted = true;
}
if (what == 'false') {
server.server.groups[i_group].muted = false;
}
// console.log(server.server.groups[i_group]);
}
}
show()
}
function setStream(id) {
send('{"id":4,"jsonrpc":"2.0","method":"Group.SetStream","params":{"id":"' + id + '","stream_id":"' + document.getElementById('stream_' + id).value + '"}}}\n')
for (let i_group = 0; i_group < server.server.groups.length; i_group++) {
if (server.server.groups[i_group].id == id) {
server.server.groups[i_group].stream_id = document.getElementById('stream_' + id).value;
// console.log(server.server.groups[i_group]);
}
}
show()
}
function setGroup(id) {
group = document.getElementById('group_' + id).value;
// Get client group id
var current_group;
groups:
for (let i_group = 0; i_group < server.server.groups.length; i_group++) {
for (let i_client = 0; i_client < server.server.groups[i_group].clients.length; i_client++) {
if (id == server.server.groups[i_group].clients[i_client].id) {
current_group = server.server.groups[i_group].id;
break groups;
}
}
}
// Get
// List of target group's clients
// OR
// List of current group's other clients
var send_clients = [];
for (let i_group = 0; i_group < server.server.groups.length; i_group++) {
if (server.server.groups[i_group].id == group || (group == "new" && server.server.groups[i_group].id == current_group)) {
for (let i_client = 0; i_client < server.server.groups[i_group].clients.length; i_client++) {
if (group == "new" && server.server.groups[i_group].clients[i_client].id == id) { }
else {
send_clients[send_clients.length] = server.server.groups[i_group].clients[i_client].id;
}
}
}
}
if (group == "new") {
group = current_group
}
else {
send_clients[send_clients.length] = id;
}
var send_clients_string = JSON.stringify(send_clients);
send('{"id":1,"jsonrpc":"2.0","method":"Group.SetClients","params":{"clients":' + send_clients_string + ',"id":"' + group + '"}}}\n')
}
function setName(id) {
// Get current name and lacency
var current_name;
var current_latency;
groups:
for (let i_group = 0; i_group < server.server.groups.length; i_group++) {
for (let i_client = 0; i_client < server.server.groups[i_group].clients.length; i_client++) {
var sv = server.server.groups[i_group].clients[i_client];
if (sv.id == id) {
if (sv.config.name != "") {
current_name = sv.config.name;
} else {
current_name = sv.host.name;
}
current_latency = sv.config.latency;
break groups;
}
}
}
var newName = window.prompt("New Name", current_name);
var newLatency = window.prompt("New Latency", current_latency);
// Don't change anything if user cancel's
if (newName != null) {
send('{"id":6,"jsonrpc":"2.0","method":"Client.SetName","params":{"id":"' + id + '","name":"' + newName + '"}}}\n')
} else {
newName = current_name
}
if (newLatency != null) {
send('{"id":7,"jsonrpc":"2.0","method":"Client.SetLatency","params":{"id":"' + id + '","latency":' + newLatency + '}}}\n')
} else {
newLatency = current_latency
}
for (let i_group = 0; i_group < server.server.groups.length; i_group++) {
for (let i_client = 0; i_client < server.server.groups[i_group].clients.length; i_client++) {
var sv = server.server.groups[i_group].clients[i_client];
if (sv.id == id) {
sv.config.name = newName;
sv.config.latency = newLatency;
}
}
}
show()
}
</script>
<style>
body {
background: #1f1f1f;
color: rgb(255, 255, 255);
font-family: 'Arial', sans-serif;
width: 100%;
margin: 0;
font-size: 20px;
}
/* width */
::-webkit-scrollbar {
width: 10px;
}
/* Track */
::-webkit-scrollbar-track {
background: #1f1f1f;
}
/* Handle */
::-webkit-scrollbar-thumb {
background: #333;
}
/* Handle on hover */
::-webkit-scrollbar-thumb:hover {
background: #555;
}
.group {
float: none;
clear: both;
margin: 20px 15px 10px 15px;
border: 2px solid #5f5f5f;
overflow: auto;
}
.groupmuted {
float: none;
clear: both;
margin: 20px 15px 10px 15px;
border: 2px solid #5f5f5f;
overflow: auto;
opacity: 0.27;
}
.client {
text-align: center;
background: rgb(61, 61, 61);
margin: 10px;
width: 160px;
height: 360px;
float: left;
}
.disconnected {
text-align: center;
background: rgb(61, 61, 61);
margin: 10px;
width: 160px;
height: 360px;
float: left;
opacity: 0.27;
}
.slider {
writing-mode: bt-lr;
/* IE */
-webkit-appearance: slider-vertical;
/* WebKit */
height: 240px;
width: 15px;
}
.slidermute {
writing-mode: bt-lr;
/* IE */
-webkit-appearance: slider-vertical;
/* WebKit */
opacity: 0.27;
height: 240px;
width: 15px;
}
.slider_fine {
writing-mode: bt-lr;
/* IE */
-webkit-appearance: slider-vertical;
/* WebKit */
height: 240px;
width: 15px;
}
.slidermute_fine {
writing-mode: bt-lr;
/* IE */
-webkit-appearance: slider-vertical;
/* WebKit */
height: 240px;
width: 15px;
opacity: 0.27;
}
.sliders {
text-align: left;
vertical-align: middle;
height: 250px;
padding-top: 10px;
clear: both;
float: none;
}
.sliderdiv {
display: inline-block;
padding-left: 40px;
text-align: left;
width: 20px;
}
.sliderdiv_fine {
display: inline-block;
text-align: left;
width: 20px;
position: relative;
top: 0px;
left: 13px;
opacity: 0.01;
}
.finebg {
display: inline-block;
text-align: center;
font-size: 35px;
width: 40px;
position: relative;
top: -27px;
left: 40px;
color: #999;
}
select {
background-color: rgb(61, 61, 61);
width: 150px;
font-size: 20px;
color: #e3e3e3;
border: 1px solid #555555;
-moz-appearance: none;
-webkit-appearance: none;
appearance: none;
}
.stream {
margin-left: 20px;
width: 200px;
padding-left: 5px;
}
.refreshbutton {
background-color: rgb(61, 61, 61);
font-size: 20px;
color: #e3e3e3;
border: 1px solid #555555;
margin-left: 100px;
}
.mutebutton {
color: #e3e3e3;
font-size: 30px;
display: block;
text-decoration: none;
}
.mutebuttongroup {
font-size: 30px;
color: #e3e3e3;
text-decoration: none;
}
.edit {
color: #e3e3e3;
text-decoration: none;
}
</style>
</head>
<body>
<div id="show"></div>
</body>
</html>