owntone-server/admin-root/status.js

138 lines
3.9 KiB
JavaScript

Event.observe(window,'load',initStatus);
var UPDATE_FREQUENCY = 5; // default number of seconds between updates if no cookie set
function initStatus(e) {
Event.observe('update','keyup',Updater.keyUp);
Updater.start();
}
var Updater = {
start: function () {
if (f = Cookie.getVar('update_frequency')) {
this.frequency = f;
} else {
this.frequency = UPDATE_FREQUENCY;
}
$('update').value = this.frequency;
new Ajax.Request('xml-rpc?method=stats',{method: 'get',onComplete: rsStats});
},
update: function () {
$('update_timer').style.width = 100 + 'px';
if (Updater.stop) {
return;
}
Updater.effect = new Effect.Scale('update_timer',0,{scaleY: false,duration: Updater.frequency,
afterFinish: function() {
new Ajax.Request('xml-rpc?method=stats',{method: 'get',onComplete: rsStats});
}});
},
keyUp: function (e) {
var val = $('update').value;
if (Updater.oldVal == val) {
return;
}
Updater.oldVal = val;
if (Updater.effect) {
Updater.effect.cancel();
}
if (('' == val) || /^\d+$/.test(val)) {
Cookie.setVar('update_frequency',val,30);
if ('' == val) {
Element.removeClassName('update','input_error');
return;
}
Updater.frequency = val;
Element.removeClassName('update','input_error');
Updater.update();
} else {
Element.addClassName('update','input_error');
}
}
}
function rsStats(request) {
['service','stat'].each(function (tag) {
$A(request.responseXML.getElementsByTagName(tag)).each(function (element) {
var node = $(element.firstChild.firstChild.nodeValue.toLowerCase().replace(/\ /,'_'));
node.replaceChild(document.createTextNode(element.childNodes[1].firstChild.nodeValue),node.firstChild);
});
});
var thread = $A(request.responseXML.getElementsByTagName('thread'));
var threadTable = new Table('thread');
threadTable.removeTBodyRows();
var users = 0;
thread.each(function (element) {
users++;
row = [];
row.push(element.childNodes[1].firstChild.nodeValue);
row.push(element.childNodes[2].firstChild.nodeValue);
threadTable.addTbodyRow(row);
});
$('session_count').replaceChild(document.createTextNode(users + ' Connected Users'),$('session_count').firstChild);
Updater.update();
}
Table = Class.create();
Object.extend(Table.prototype,{
initialize: function (id) {
this.tbody = $(id).getElementsByTagName('tbody')[0];
},
removeTBodyRows: function () {
Element.removeChildren(this.tbody);
},
addTbodyRow: function (cells) {
var tr = document.createElement('tr');
cells.each(function (cell) {
var td = document.createElement('td');
td.appendChild(document.createTextNode(cell));
tr.appendChild(td);
});
this.tbody.appendChild(tr);
}
});
Object.extend(Element, {
removeChildren: function(element) {
while(element.hasChildNodes()) {
element.removeChild(element.firstChild);
}
},
textContent: function(node) {
if ((!node) || !node.hasChildNodes()) {
// Empty text node
return '';
} else {
if (node.textContent) {
// W3C ?
return node.textContent;
} else if (node.text) {
// IE
return node.text;
}
}
// We shouldn't end up here;
return '';
}
});
var Cookie = {
getVar: function(name) {
var cookie = document.cookie;
if (cookie.length > 0) {
cookie += ';';
}
re = new RegExp(name + '\=(.*?);' );
if (cookie.match(re)) {
return RegExp.$1;
} else {
return '';
}
},
setVar: function(name,value,days) {
days = days || 30;
var expire = new Date(new Date().getTime() + days*86400);
document.cookie = name + '=' + value +';expires=' + expire.toUTCString();
},
removeVar: function(name) {
var date = new Date(12);
document.cookie = name + '=;expires=' + date.toUTCString();
}
};