Remove usage of plugin namespace and added support for event when ear…

…phones are removed on ios

plugin.xml

@@ -15,7 +15,7 @@
   </engines>
 
   <js-module src="www/HeadsetDetection.js" name="HeadsetDetection">
-    <clobbers target="window.plugins.headsetdetection" />
+    <clobbers target="window.HeadsetDetection" />
   </js-module>
 
   <!-- ios -->
@@ -24,6 +24,7 @@
     <config-file target="config.xml" parent="/*">
       <feature name="HeadsetDetection">
         <param name="ios-package" value="HeadsetDetection"/>
+        <param name="onload" value="true" />
       </feature>
     </config-file>
 

src/ios/HeadsetDetection.m

@@ -2,6 +2,20 @@
 
 @implementation HeadsetDetection
 
+- (void) pluginInitialize {
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(routeChanged:) name:AVAudioSessionRouteChangeNotification object:nil];
+}
+
+- (void)routeChanged:(NSNotification *)notification {
+    NSNumber *reason = [notification.userInfo objectForKey:AVAudioSessionRouteChangeReasonKey];
+
+    if ([reason unsignedIntegerValue] == AVAudioSessionRouteChangeReasonNewDeviceAvailable) {
+        [self.commandDelegate evalJs:@"cordova.require('cordova-plugin-headsetdetection.HeadsetDetection').remoteHeadsetAdded()"];
+    } else if ([reason unsignedIntegerValue] == AVAudioSessionRouteChangeReasonOldDeviceUnavailable) {
+        [self.commandDelegate evalJs:@"cordova.require('cordova-plugin-headsetdetection.HeadsetDetection').remoteHeadsetRemoved()"];
+    }
+}
+
 - (void) detect:(CDVInvokedUrlCommand*)command {
   CDVPluginResult * pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsBool:[self isHeadsetEnabled]];
   [self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];

www/HeadsetDetection.js

@@ -1,17 +1,18 @@
-function HeadsetDetection() {
-}
+cordova.define("cordova-plugin-headsetdetection.HeadsetDetection", function(require, exports, module) {
+  var HeadsetDetection = {
+    detect: function (successCallback, errorCallback) {
+      cordova.exec(successCallback, errorCallback, "HeadsetDetection", "detect", []);
+    },
+    registerRemoteEvents: function(actionCallback) {
+      this.actionCallback = actionCallback;
+    },
+    remoteHeadsetRemoved: function() {
+      this.actionCallback && this.actionCallback('headsetRemove');
+    },
+    remoteHeadsetAdded: function() {
+      this.actionCallback && this.actionCallback('headsetAdded');
+    }
+  };
 
-HeadsetDetection.prototype.detect = function (successCallback, errorCallback) {
-  cordova.exec(successCallback, errorCallback, "HeadsetDetection", "detect", []);
-};
-
-HeadsetDetection.install = function () {
-  if (!window.plugins) {
-    window.plugins = {};
-  }
-
-  window.plugins.headsetdetection = new HeadsetDetection();
-  return window.plugins.headsetdetection;
-};
-
-cordova.addConstructor(HeadsetDetection.install);
+  module.exports = HeadsetDetection;
+});