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assets/webapps/system.gaiamobile.org/js/nfc_handler.js

@@ -0,0 +1,48 @@
+/* globals NfcUtils, BaseModule, Service */
+'use strict';
+(function() {
+  var NfcHandler = function (core) {
+    this.nfc = core.nfc;
+  };
+
+  /**
+   * @class NfcCore
+   */
+  BaseModule.create(NfcHandler, {
+    name: 'NfcHandler',
+
+    _start: function nh_start() {
+      this.nfc.addEventListener('peerready', this);
+    },
+
+    handleEvent: function nh_handleEvent(evt) {
+      var nfcUtils = new NfcUtils();
+      if (evt.type !== 'peerready') {
+        return;
+      }
+      var currentApp = Service.query('getTopMostWindow');
+      if (currentApp && currentApp.isBrowser() && currentApp.config.url) {
+        var ndefUri = nfcUtils.parseURIString(currentApp.config.url);
+        this.sendNDEFMessageToNFCPeer(ndefUri, evt);
+      }
+    },
+
+    /**
+     * Send NDEF message to NFC peer.
+     * @param {MozNDEFRecord} message non-null Array of NDEF records.
+     * @param {Events} nfcEvent  an event from mozNfc.onpeerready.
+     */
+    sendNDEFMessageToNFCPeer:
+      function nh_sendNDEFMessageToNFCPeer(message, nfcEvent) {
+        if (!message) {
+          return;
+        }
+        var nfcPeer = nfcEvent.peer;
+        if (!nfcPeer) {
+          return null;
+        }
+
+        nfcPeer.sendNDEF(message);
+      }
+  });
+}());