michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /* Copyright © 2013, Deutsche Telekom, Inc. */
michael@0: 
michael@0: "use strict";
michael@0: 
michael@0: const DEBUG = false;
michael@0: function debug(s) {
michael@0:   if (DEBUG) dump("-*- Nfc DOM: " + s + "\n");
michael@0: }
michael@0: 
michael@0: const Cc = Components.classes;
michael@0: const Ci = Components.interfaces;
michael@0: const Cu = Components.utils;
michael@0: 
michael@0: Cu.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: Cu.import("resource://gre/modules/ObjectWrapper.jsm");
michael@0: 
michael@0: XPCOMUtils.defineLazyServiceGetter(this,
michael@0:                                    "appsService",
michael@0:                                    "@mozilla.org/AppsService;1",
michael@0:                                    "nsIAppsService");
michael@0: const NFC_PEER_EVENT_READY = 0x01;
michael@0: const NFC_PEER_EVENT_LOST  = 0x02;
michael@0: 
michael@0: /**
michael@0:  * NFCTag
michael@0:  */
michael@0: function MozNFCTag() {
michael@0:   debug("In MozNFCTag Constructor");
michael@0:   this._nfcContentHelper = Cc["@mozilla.org/nfc/content-helper;1"]
michael@0:                              .getService(Ci.nsINfcContentHelper);
michael@0:   this.session = null;
michael@0: 
michael@0:   // Map WebIDL declared enum map names to integer
michael@0:   this._techTypesMap = [];
michael@0:   this._techTypesMap['NFC_A'] = 0;
michael@0:   this._techTypesMap['NFC_B'] = 1;
michael@0:   this._techTypesMap['NFC_ISO_DEP'] = 2;
michael@0:   this._techTypesMap['NFC_F'] = 3;
michael@0:   this._techTypesMap['NFC_V'] = 4;
michael@0:   this._techTypesMap['NDEF'] = 5;
michael@0:   this._techTypesMap['NDEF_FORMATABLE'] = 6;
michael@0:   this._techTypesMap['MIFARE_CLASSIC'] = 7;
michael@0:   this._techTypesMap['MIFARE_ULTRALIGHT'] = 8;
michael@0:   this._techTypesMap['NFC_BARCODE'] = 9;
michael@0:   this._techTypesMap['P2P'] = 10;
michael@0: }
michael@0: MozNFCTag.prototype = {
michael@0:   _nfcContentHelper: null,
michael@0:   _window: null,
michael@0: 
michael@0:   initialize: function(aWindow, aSessionToken) {
michael@0:     this._window = aWindow;
michael@0:     this.setSessionToken(aSessionToken);
michael@0:   },
michael@0: 
michael@0:   // ChromeOnly interface
michael@0:   setSessionToken: function setSessionToken(aSessionToken) {
michael@0:     debug("Setting session token.");
michael@0:     this.session = aSessionToken;
michael@0:     // report to NFC worker:
michael@0:     this._nfcContentHelper.setSessionToken(aSessionToken);
michael@0:   },
michael@0: 
michael@0:   _techTypesMap: null,
michael@0: 
michael@0:   // NFCTag interface:
michael@0:   getDetailsNDEF: function getDetailsNDEF() {
michael@0:     return this._nfcContentHelper.getDetailsNDEF(this._window, this.session);
michael@0:   },
michael@0:   readNDEF: function readNDEF() {
michael@0:     return this._nfcContentHelper.readNDEF(this._window, this.session);
michael@0:   },
michael@0:   writeNDEF: function writeNDEF(records) {
michael@0:     return this._nfcContentHelper.writeNDEF(this._window, records, this.session);
michael@0:   },
michael@0:   makeReadOnlyNDEF: function makeReadOnlyNDEF() {
michael@0:     return this._nfcContentHelper.makeReadOnlyNDEF(this._window, this.session);
michael@0:   },
michael@0:   connect: function connect(enum_tech_type) {
michael@0:     let int_tech_type = this._techTypesMap[enum_tech_type];
michael@0:     return this._nfcContentHelper.connect(this._window, int_tech_type, this.session);
michael@0:   },
michael@0:   close: function close() {
michael@0:     return this._nfcContentHelper.close(this._window, this.session);
michael@0:   },
michael@0: 
michael@0:   classID: Components.ID("{4e1e2e90-3137-11e3-aa6e-0800200c9a66}"),
michael@0:   contractID: "@mozilla.org/nfc/NFCTag;1",
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports,
michael@0:                                          Ci.nsIDOMGlobalPropertyInitializer]),
michael@0: };
michael@0: 
michael@0: /**
michael@0:  * NFCPeer
michael@0:  */
michael@0: function MozNFCPeer() {
michael@0:   debug("In MozNFCPeer Constructor");
michael@0:   this._nfcContentHelper = Cc["@mozilla.org/nfc/content-helper;1"]
michael@0:                              .getService(Ci.nsINfcContentHelper);
michael@0:   this.session = null;
michael@0: }
michael@0: MozNFCPeer.prototype = {
michael@0:   _nfcContentHelper: null,
michael@0:   _window: null,
michael@0: 
michael@0:   initialize: function(aWindow, aSessionToken) {
michael@0:     this._window = aWindow;
michael@0:     this.setSessionToken(aSessionToken);
michael@0:   },
michael@0: 
michael@0:   // ChromeOnly interface
michael@0:   setSessionToken: function setSessionToken(aSessionToken) {
michael@0:     debug("Setting session token.");
michael@0:     this.session = aSessionToken;
michael@0:     // report to NFC worker:
michael@0:     return this._nfcContentHelper.setSessionToken(aSessionToken);
michael@0:   },
michael@0: 
michael@0:   // NFCPeer interface:
michael@0:   sendNDEF: function sendNDEF(records) {
michael@0:     // Just forward sendNDEF to writeNDEF
michael@0:     return this._nfcContentHelper.writeNDEF(this._window, records, this.session);
michael@0:   },
michael@0: 
michael@0:   sendFile: function sendFile(blob) {
michael@0:     let data = {
michael@0:       "blob": blob
michael@0:     };
michael@0:     return this._nfcContentHelper.sendFile(this._window,
michael@0:                                            Cu.cloneInto(data, this._window),
michael@0:                                            this.session);
michael@0:   },
michael@0: 
michael@0:   classID: Components.ID("{c1b2bcf0-35eb-11e3-aa6e-0800200c9a66}"),
michael@0:   contractID: "@mozilla.org/nfc/NFCPeer;1",
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports,
michael@0:                                          Ci.nsIDOMGlobalPropertyInitializer]),
michael@0: };
michael@0: 
michael@0: /**
michael@0:  * Navigator NFC object
michael@0:  */
michael@0: function mozNfc() {
michael@0:   debug("In mozNfc Constructor");
michael@0:   try {
michael@0:     this._nfcContentHelper = Cc["@mozilla.org/nfc/content-helper;1"]
michael@0:                                .getService(Ci.nsINfcContentHelper);
michael@0:   } catch(e) {
michael@0:     debug("No NFC support.")
michael@0:   }
michael@0: }
michael@0: mozNfc.prototype = {
michael@0:   _nfcContentHelper: null,
michael@0:   _window: null,
michael@0:   _wrap: function _wrap(obj) {
michael@0:     return Cu.cloneInto(obj, this._window);
michael@0:   },
michael@0: 
michael@0:   init: function init(aWindow) {
michael@0:     debug("mozNfc init called");
michael@0:     this._window = aWindow;
michael@0:   },
michael@0: 
michael@0:   // Only apps which have nfc-manager permission can call the following interfaces
michael@0:   // 'checkP2PRegistration' , 'notifyUserAcceptedP2P' , 'notifySendFileStatus',
michael@0:   // 'startPoll', 'stopPoll', and 'powerOff'.
michael@0:   checkP2PRegistration: function checkP2PRegistration(manifestUrl) {
michael@0:     // Get the AppID and pass it to ContentHelper
michael@0:     let appID = appsService.getAppLocalIdByManifestURL(manifestUrl);
michael@0:     return this._nfcContentHelper.checkP2PRegistration(this._window, appID);
michael@0:   },
michael@0: 
michael@0:   notifyUserAcceptedP2P: function notifyUserAcceptedP2P(manifestUrl) {
michael@0:     let appID = appsService.getAppLocalIdByManifestURL(manifestUrl);
michael@0:     // Notify chrome process of user's acknowledgement
michael@0:     this._nfcContentHelper.notifyUserAcceptedP2P(this._window, appID);
michael@0:   },
michael@0: 
michael@0:   notifySendFileStatus: function notifySendFileStatus(status, requestId) {
michael@0:     this._nfcContentHelper.notifySendFileStatus(this._window,
michael@0:                                                 status, requestId);
michael@0:   },
michael@0: 
michael@0:   startPoll: function startPoll() {
michael@0:     return this._nfcContentHelper.startPoll(this._window);
michael@0:   },
michael@0: 
michael@0:   stopPoll: function stopPoll() {
michael@0:     return this._nfcContentHelper.stopPoll(this._window);
michael@0:   },
michael@0: 
michael@0:   powerOff: function powerOff() {
michael@0:     return this._nfcContentHelper.powerOff(this._window);
michael@0:   },
michael@0: 
michael@0:   getNFCTag: function getNFCTag(sessionToken) {
michael@0:     let obj = new MozNFCTag();
michael@0:     let nfcTag = this._window.MozNFCTag._create(this._window, obj);
michael@0:     if (nfcTag) {
michael@0:       obj.initialize(this._window, sessionToken);
michael@0:       return nfcTag;
michael@0:     } else {
michael@0:       debug("Error: Unable to create NFCTag");
michael@0:       return null;
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   getNFCPeer: function getNFCPeer(sessionToken) {
michael@0:     let obj = new MozNFCPeer();
michael@0:     let nfcPeer = this._window.MozNFCPeer._create(this._window, obj);
michael@0:     if (nfcPeer) {
michael@0:       obj.initialize(this._window, sessionToken);
michael@0:       return nfcPeer;
michael@0:     } else {
michael@0:       debug("Error: Unable to create NFCPeer");
michael@0:       return null;
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   // get/set onpeerready
michael@0:   get onpeerready() {
michael@0:     return this.__DOM_IMPL__.getEventHandler("onpeerready");
michael@0:   },
michael@0: 
michael@0:   set onpeerready(handler) {
michael@0:     this.__DOM_IMPL__.setEventHandler("onpeerready", handler);
michael@0:   },
michael@0: 
michael@0:   // get/set onpeerlost
michael@0:   get onpeerlost() {
michael@0:     return this.__DOM_IMPL__.getEventHandler("onpeerlost");
michael@0:   },
michael@0: 
michael@0:   set onpeerlost(handler) {
michael@0:     this.__DOM_IMPL__.setEventHandler("onpeerlost", handler);
michael@0:   },
michael@0: 
michael@0:   eventListenerWasAdded: function(evt) {
michael@0:     let eventType = this.getEventType(evt);
michael@0:     if (eventType == -1)
michael@0:       return;
michael@0:     this.registerTarget(eventType);
michael@0:   },
michael@0: 
michael@0:   eventListenerWasRemoved: function(evt) {
michael@0:     let eventType = this.getEventType(evt);
michael@0:     if (eventType == -1)
michael@0:       return;
michael@0:     this.unregisterTarget(eventType);
michael@0:   },
michael@0: 
michael@0:   registerTarget: function registerTarget(event) {
michael@0:     let self = this;
michael@0:     let appId = this._window.document.nodePrincipal.appId;
michael@0:     this._nfcContentHelper.registerTargetForPeerEvent(this._window, appId,
michael@0:       event, function(evt, sessionToken) {
michael@0:         self.session = sessionToken;
michael@0:         self.firePeerEvent(evt, sessionToken);
michael@0:     });
michael@0:   },
michael@0: 
michael@0:   unregisterTarget: function unregisterTarget(event) {
michael@0:     let appId = this._window.document.nodePrincipal.appId;
michael@0:     this._nfcContentHelper.unregisterTargetForPeerEvent(this._window,
michael@0:                                                         appId, event);
michael@0:   },
michael@0: 
michael@0:   getEventType: function getEventType(evt) {
michael@0:     let eventType = -1;
michael@0:     switch (evt) {
michael@0:       case 'peerready':
michael@0:         eventType = NFC_PEER_EVENT_READY;
michael@0:         break;
michael@0:       case 'peerlost':
michael@0:         eventType = NFC_PEER_EVENT_LOST;
michael@0:         break;
michael@0:       default:
michael@0:         break;
michael@0:     }
michael@0:     return eventType;
michael@0:   },
michael@0: 
michael@0:   firePeerEvent: function firePeerEvent(evt, sessionToken) {
michael@0:     let peerEvent = (NFC_PEER_EVENT_READY === evt) ? "peerready" : "peerlost";
michael@0:     let detail = {
michael@0:       "detail":sessionToken
michael@0:     };
michael@0:     let event = new this._window.CustomEvent(peerEvent, this._wrap(detail));
michael@0:     this.__DOM_IMPL__.dispatchEvent(event);
michael@0:   },
michael@0: 
michael@0:   classID: Components.ID("{6ff2b290-2573-11e3-8224-0800200c9a66}"),
michael@0:   contractID: "@mozilla.org/navigatorNfc;1",
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports,
michael@0:                                          Ci.nsIDOMGlobalPropertyInitializer]),
michael@0: };
michael@0: 
michael@0: this.NSGetFactory = XPCOMUtils.generateNSGetFactory([MozNFCTag, MozNFCPeer, mozNfc]);