Adds Volume Level support

chromecast-play.html

@@ -64,3 +64,4 @@ <h3>Use</h3>
 
     });
 </script>
+

chromecast-play.js

@@ -1,60 +1,157 @@
-var Client                = require('castv2-client').Client;
-var DefaultMediaReceiver  = require('castv2-client').DefaultMediaReceiver;
+var Client = require('castv2-client').Client;
+var DefaultMediaReceiver = require('castv2-client').DefaultMediaReceiver;
 
-function play(host, url, type) {
+function play(host, url, type, volume, node, msg) {
 
-  var client = new Client();
+	try {
 
-  client.connect(host, function() {
-    console.log('connected, launching app on %s with url %s and type %s', host, url, type);
+		var client = new Client();
 
-    client.launch(DefaultMediaReceiver, function(err, player) {
-      var media = {
+		client.connect(host, function () {
 
-        // Here you can plug an URL to any mp4, webm, mp3 or jpg file with the proper contentType.
-        contentId: url,
-        contentType: type,
-        streamType: 'BUFFERED' // or LIVE    
-      };
+			if (volume) {
+				console.log('connected, launching app on %s with url %s, type %s and volume %s', host, url, type, volume);
+			} else {
+				console.log('connected, launching app on %s with url %s and type %s', host, url, type);
+			}
 
-      player.load(media, { autoplay: true }, function(err, status) {
-        console.log('media loaded playerState=%s', status.playerState);
-          client.close();
-      });
+			client.launch(DefaultMediaReceiver, function (err, player) {
+				var media = {
 
-    });
+					// Here you can plug an URL to any mp4, webm, mp3 or jpg file with the proper contentType.
+					contentId: url,
+					contentType: type,
+					streamType: 'BUFFERED' // or LIVE    
+				};
+
+				if (typeof volume !== 'undefined') {
+
+					if (volume > 0) {
+						var obj = {
+							level: volume / 100
+						};
+					} else {
+						var obj = {
+							muted: true
+						};
+					}
+
+					client.setVolume(obj, function (err, newvol) {
+						if (err) {
+							console.log("there was an error setting the volume")
+							node.error("Chromecast error: there was an error setting the volume");
+							msg.error = "there was an error setting the volume";
+							node.send(msg);
+							return node.status({
+								shape: "dot",
+								fill: "red",
+								text: "error: there was an error setting the volume"
+							});
+						}
+						console.log("volume changed to %s", Math.round(newvol.level * 100))
+					});
+
+				}
+
+				if (player) {
+
+					player.on('status', function (status) {
+						console.log('status broadcast playerState=%s', status.playerState);
+					});
+
+					player.load(media, {autoplay: true}, function (err, status) {
+						if (status) {
+							console.log('media loaded playerState=%s', status.playerState);
+							node.status({});
+						}
+						if (err) {
+							console.log('media loaded error= %s', err);
+							msg.error = " " + err;
+							node.send(msg);
+							node.error("Chromecast error: " + err);
+							return node.status({
+								shape: "dot",
+								fill: "red",
+								text: " " + err
+							});
+
+						}
+
+						client.close();
+
+					});
+
+				}
+
+				node.send(msg);
+
+			});
+
+		});
+
+		client.on('error', function (err) {
+			msg.error = " " + err;
+			node.send(msg);
+			node.error("Chromecast " + err);
+
+			client.close();
+
+			return node.status({
+				shape: "dot",
+				fill: "red",
+				text: " " + err
+			});
+		});
+
+	} catch (err) {
+		node.status({
+			shape: "dot",
+			fill: "red",
+			text: " " + err
+		});
+		node.error("Chromecast error: " + err);
+	}
 
-  });
 }
 
-module.exports = function(RED) {
-    'use strict';
-
-    function Node(n) {
-
-        RED.nodes.createNode(this,n);
-
-        var node = this;
-
-        this.on('input', function (msg) {
-
-            var creds = RED.nodes.getNode(n.creds),
-                payload = typeof msg.payload === 'object' ? msg.payload : {};
-
-            var attrs = ['ip', 'url', 'contentType'];
-            for (var attr of attrs) {
-                if (n[attr]) {
-                    payload[attr] = n[attr];     
-                }
-            }
-
-            if (payload.ip && payload.url && payload.contentType) {
-                play(payload.ip, payload.url, payload.contentType);
-            }
-
-            node.send(msg);
-        });
-    }
-
-    RED.nodes.registerType('chromecast-play', Node);
+module.exports = function (RED) {
+	'use strict';
+
+	function Node(n) {
+
+		RED.nodes.createNode(this, n);
+
+		var node = this;
+
+		this.on('input', function (msg) {
+
+			var creds = RED.nodes.getNode(n.creds),
+				payload = typeof msg.payload === 'object' ? msg.payload : {};
+
+			var attrs = ['ip', 'url', 'contentType', 'volume'];
+			for (var attr of attrs) {
+				if (n[attr]) {
+					payload[attr] = n[attr];
+				}
+			}
+
+			if (payload.ip && payload.url && payload.contentType) {
+				try {
+					play(payload.ip, payload.url, payload.contentType, payload.volume, node, msg);
+				} catch (err) {
+					node.status({
+						shape: "dot",
+						fill: "red",
+						text: " " + err
+					});
+					node.error("Chromecast error: " + err);
+				}
+			}
+
+			//node.send(msg);
+
+		});
+	}
+
+	RED.nodes.registerType('chromecast-play', Node);
 };