feat(plugin): Network Information and global offline/online events

ionic/components/app/app.ts

@@ -50,6 +50,23 @@ export class IonicApp {
     this.components = {};
   }
 
+  /**
+   * Bind some global events and publish on the 'app' channel
+   */
+  bindEvents(events) {
+    window.addEventListener('online', (event) => {
+      events.publish('app:online', event);
+    }, false);
+
+    window.addEventListener('offline', (event) => {
+      events.publish('app:offline', event);
+    }, false);
+
+    window.addEventListener('orientationchange', (event) => {
+      events.publish('app:rotated', event);
+    });
+  }
+
   /**
    * TODO
    * @param {Object} appRef  TODO
@@ -302,6 +319,8 @@ export function ionicBootstrap(rootComponentType, views, config) {
       let translate = new Translate();
       let navRegistry = new NavRegistry(views);
 
+      app.bindEvents(events);
+
       // add injectables that will be available to all child components
       let appBindings = Injector.resolve([
         bind(IonicApp).toValue(app),

ionic/platform/network/network.ts

@@ -0,0 +1,46 @@
+import * as Rx from 'rx';
+
+import * as util from 'ionic/util';
+import {NativePlugin} from '../plugin';
+
+/**
+ * Access Network information and respond to changes in network state.
+ *
+ * @usage
+ * ```js
+ * let networkInfo = Network.getNetwork()
+ * let isOnline = Network.isOnline()
+ * let isOffline = Network.isOffline()
+ * ```
+ */
+@NativePlugin({
+  name: 'Network',
+  platforms: ['ios', 'android'],
+  engines: {
+    cordova: 'cordova-plugin-network-information'
+  },
+  pluginCheck: () => {
+    return !!navigator.connection;
+  }
+})
+@Injectable()
+export class Network {
+  /**
+   * Return network info.
+   */
+  static info() {
+    this.ifPlugin(() => {
+      return navigator.connection.type;
+    });
+  }
+
+  /**
+   * @return whether the device is online
+   */
+  static isOnline() {
+    this.ifPlugin(() => {
+      var networkState = navigator.connection.type;
+      return networkState !== window.Connection.UNKNOWN && networkState !== window.Connection.NONE;
+    });
+  }
+}