real-time icons and buttons state

kvmd/web/js/msd.js

@@ -0,0 +1,24 @@
+var msd = new function() {
+	this.loadInitialState = function() {
+		var http = tools.makeRequest("GET", "/kvmd/msd", function() {
+			if (http.readyState === 4) {
+				if (http.status === 200) {
+					msd.setState(JSON.parse(http.responseText).result);
+				} else {
+					setTimeout(msd.loadInitialState, 1000);
+				}
+			}
+		});
+	};
+
+	this.setState = function(state) {
+		if (state.connected_to == "server") {
+			cls = "led-on";
+		} else if (state.busy) {
+			cls = "led-msd-writing";
+		} else {
+			cls = "led-off";
+		}
+		$("msd-led").className = cls;
+	};
+};