Add macvlan support

luci-base/htdocs/luci-static/resources/xhr.js

@@ -0,0 +1,241 @@
+/*
+ * xhr.js - XMLHttpRequest helper class
+ * (c) 2008-2010 Jo-Philipp Wich
+ */
+
+XHR = function()
+{
+	this.reinit = function()
+	{
+		if (window.XMLHttpRequest) {
+			this._xmlHttp = new XMLHttpRequest();
+		}
+		else if (window.ActiveXObject) {
+			this._xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
+		}
+		else {
+			alert("xhr.js: XMLHttpRequest is not supported by this browser!");
+		}
+	}
+
+	this.busy = function() {
+		if (!this._xmlHttp)
+			return false;
+
+		switch (this._xmlHttp.readyState)
+		{
+			case 1:
+			case 2:
+			case 3:
+				return true;
+
+			default:
+				return false;
+		}
+	}
+
+	this.abort = function() {
+		if (this.busy())
+			this._xmlHttp.abort();
+	}
+
+	this.get = function(url,data,callback)
+	{
+		this.reinit();
+
+		var xhr  = this._xmlHttp;
+		var code = this._encode(data);
+
+		url = location.protocol + '//' + location.host + url;
+
+		if (code)
+			if (url.substr(url.length-1,1) == '&')
+				url += code;
+			else
+				url += '?' + code;
+
+		xhr.open('GET', url, true);
+
+		xhr.onreadystatechange = function()
+		{
+			if (xhr.readyState == 4) {
+				var json = null;
+				if (xhr.getResponseHeader("Content-Type") == "application/json") {
+					try {
+						json = eval('(' + xhr.responseText + ')');
+					}
+					catch(e) {
+						json = null;
+					}
+				}
+
+				callback(xhr, json);
+			}
+		}
+
+		xhr.send(null);
+	}
+
+	this.post = function(url,data,callback)
+	{
+		this.reinit();
+
+		var xhr  = this._xmlHttp;
+		var code = this._encode(data);
+
+		xhr.onreadystatechange = function()
+		{
+			if (xhr.readyState == 4)
+				callback(xhr);
+		}
+
+		xhr.open('POST', url, true);
+		xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
+		xhr.setRequestHeader('Content-length', code.length);
+		xhr.setRequestHeader('Connection', 'close');
+		xhr.send(code);
+	}
+
+	this.cancel = function()
+	{
+		this._xmlHttp.onreadystatechange = function(){};
+		this._xmlHttp.abort();
+	}
+
+	this.send_form = function(form,callback,extra_values)
+	{
+		var code = '';
+
+		for (var i = 0; i < form.elements.length; i++)
+		{
+			var e = form.elements[i];
+
+			if (e.options)
+			{
+				code += (code ? '&' : '') +
+					form.elements[i].name + '=' + encodeURIComponent(
+						e.options[e.selectedIndex].value
+					);
+			}
+			else if (e.length)
+			{
+				for (var j = 0; j < e.length; j++)
+					if (e[j].name) {
+						code += (code ? '&' : '') +
+							e[j].name + '=' + encodeURIComponent(e[j].value);
+					}
+			}
+			else
+			{
+				code += (code ? '&' : '') +
+					e.name + '=' + encodeURIComponent(e.value);
+			}
+		}
+
+		if (typeof extra_values == 'object')
+			for (var key in extra_values)
+				code += (code ? '&' : '') +
+					key + '=' + encodeURIComponent(extra_values[key]);
+
+		return(
+			(form.method == 'get')
+				? this.get(form.getAttribute('action'), code, callback)
+				: this.post(form.getAttribute('action'), code, callback)
+		);
+	}
+
+	this._encode = function(obj)
+	{
+		obj = obj ? obj : { };
+		obj['_'] = Math.random();
+
+		if (typeof obj == 'object')
+		{
+			var code = '';
+			var self = this;
+
+			for (var k in obj)
+				code += (code ? '&' : '') +
+					k + '=' + encodeURIComponent(obj[k]);
+
+			return code;
+		}
+
+		return obj;
+	}
+}
+
+XHR.get = function(url, data, callback)
+{
+	(new XHR()).get(url, data, callback);
+}
+
+XHR.poll = function(interval, url, data, callback)
+{
+	if (isNaN(interval) || interval < 1)
+		interval = 5;
+
+	if (!XHR._q)
+	{
+		XHR._t = 0;
+		XHR._q = [ ];
+		XHR._r = function() {
+			for (var i = 0, e = XHR._q[0]; i < XHR._q.length; e = XHR._q[++i])
+			{
+				if (!(XHR._t % e.interval) && !e.xhr.busy())
+					e.xhr.get(e.url, e.data, e.callback);
+			}
+
+			XHR._t++;
+		};
+	}
+
+	XHR._q.push({
+		interval: interval,
+		callback: callback,
+		url:      url,
+		data:     data,
+		xhr:      new XHR()
+	});
+
+	XHR.run();
+}
+
+XHR.halt = function()
+{
+	if (XHR._i)
+	{
+		/* show & set poll indicator */
+		try {
+			document.getElementById('xhr_poll_status').style.display = '';
+			document.getElementById('xhr_poll_status_on').style.display = 'none';
+			document.getElementById('xhr_poll_status_off').style.display = '';
+		} catch(e) { }
+
+		window.clearInterval(XHR._i);
+		XHR._i = null;
+	}
+}
+
+XHR.run = function()
+{
+	if (XHR._r && !XHR._i)
+	{
+		/* show & set poll indicator */
+		try {
+			document.getElementById('xhr_poll_status').style.display = '';
+			document.getElementById('xhr_poll_status_on').style.display = '';
+			document.getElementById('xhr_poll_status_off').style.display = 'none';
+		} catch(e) { }
+
+		/* kick first round manually to prevent one second lag when setting up
+		 * the poll interval */
+		XHR._r();
+		XHR._i = window.setInterval(XHR._r, 1000);
+	}
+}
+
+XHR.running = function()
+{
+	return !!(XHR._r && XHR._i);
+}