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