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

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;
+    });
+  }
+}