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9188583e5f
From 59914a177ef8efdf569829fd46cbdd5659517bc6 Mon Sep 17 00:00:00 2001 --- dom/nfc/NfcContentHelper.js | 41 -------------------------------------- dom/nfc/gonk/Nfc.js | 5 ----- dom/nfc/gonk/NfcGonkMessage.h | 4 +--- dom/nfc/gonk/NfcMessageHandler.cpp | 36 --------------------------------- dom/nfc/gonk/NfcMessageHandler.h | 2 -- dom/nfc/nsINfcContentHelper.idl | 3 +-- 6 files changed, 2 insertions(+), 89 deletions(-)
435 lines
13 KiB
JavaScript
435 lines
13 KiB
JavaScript
/* Copyright 2012 Mozilla Foundation and Mozilla contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* Copyright © 2013, Deutsche Telekom, Inc. */
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"use strict";
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const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
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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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Cu.import("resource://gre/modules/DOMRequestHelper.jsm");
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XPCOMUtils.defineLazyGetter(this, "NFC", function () {
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let obj = {};
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Cu.import("resource://gre/modules/nfc_consts.js", obj);
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return obj;
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});
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Cu.import("resource://gre/modules/systemlibs.js");
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const NFC_ENABLED = libcutils.property_get("ro.moz.nfc.enabled", "false") === "true";
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// set to true to in nfc_consts.js to see debug messages
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let DEBUG = NFC.DEBUG_CONTENT_HELPER;
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let debug;
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if (DEBUG) {
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debug = function (s) {
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dump("-*- NfcContentHelper: " + s + "\n");
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};
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} else {
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debug = function (s) {};
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}
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const NFCCONTENTHELPER_CID =
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Components.ID("{4d72c120-da5f-11e1-9b23-0800200c9a66}");
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const NFC_IPC_MSG_NAMES = [
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"NFC:ReadNDEFResponse",
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"NFC:WriteNDEFResponse",
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"NFC:MakeReadOnlyNDEFResponse",
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"NFC:ConnectResponse",
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"NFC:CloseResponse",
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"NFC:CheckP2PRegistrationResponse",
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"NFC:DOMEvent",
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"NFC:NotifySendFileStatusResponse",
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"NFC:ConfigResponse"
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];
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XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
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"@mozilla.org/childprocessmessagemanager;1",
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"nsISyncMessageSender");
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function NfcContentHelper() {
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this.initDOMRequestHelper(/* aWindow */ null, NFC_IPC_MSG_NAMES);
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Services.obs.addObserver(this, "xpcom-shutdown", false);
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this._requestMap = [];
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}
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NfcContentHelper.prototype = {
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__proto__: DOMRequestIpcHelper.prototype,
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QueryInterface: XPCOMUtils.generateQI([Ci.nsINfcContentHelper,
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Ci.nsISupportsWeakReference,
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Ci.nsIObserver]),
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classID: NFCCONTENTHELPER_CID,
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classInfo: XPCOMUtils.generateCI({
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classID: NFCCONTENTHELPER_CID,
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classDescription: "NfcContentHelper",
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interfaces: [Ci.nsINfcContentHelper]
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}),
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_requestMap: null,
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eventTarget: null,
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encodeNDEFRecords: function encodeNDEFRecords(records) {
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let encodedRecords = [];
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for (let i = 0; i < records.length; i++) {
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let record = records[i];
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encodedRecords.push({
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tnf: record.tnf,
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type: record.type || undefined,
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id: record.id || undefined,
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payload: record.payload || undefined,
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});
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}
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return encodedRecords;
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},
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// NFC interface:
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checkSessionToken: function checkSessionToken(sessionToken) {
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if (sessionToken == null) {
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throw Components.Exception("No session token!",
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Cr.NS_ERROR_UNEXPECTED);
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return false;
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}
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// Report session to Nfc.js only.
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let val = cpmm.sendSyncMessage("NFC:CheckSessionToken", {
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sessionToken: sessionToken
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});
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return (val[0] === NFC.NFC_SUCCESS);
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},
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// NFCTag interface
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readNDEF: function readNDEF(window, sessionToken) {
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if (window == null) {
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throw Components.Exception("Can't get window object",
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Cr.NS_ERROR_UNEXPECTED);
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}
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let request = Services.DOMRequest.createRequest(window);
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let requestId = btoa(this.getRequestId(request));
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this._requestMap[requestId] = window;
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cpmm.sendAsyncMessage("NFC:ReadNDEF", {
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requestId: requestId,
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sessionToken: sessionToken
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});
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return request;
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},
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writeNDEF: function writeNDEF(window, records, sessionToken) {
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if (window == null) {
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throw Components.Exception("Can't get window object",
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Cr.NS_ERROR_UNEXPECTED);
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}
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let request = Services.DOMRequest.createRequest(window);
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let requestId = btoa(this.getRequestId(request));
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this._requestMap[requestId] = window;
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let encodedRecords = this.encodeNDEFRecords(records);
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cpmm.sendAsyncMessage("NFC:WriteNDEF", {
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requestId: requestId,
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sessionToken: sessionToken,
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records: encodedRecords
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});
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return request;
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},
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makeReadOnlyNDEF: function makeReadOnlyNDEF(window, sessionToken) {
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if (window == null) {
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throw Components.Exception("Can't get window object",
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Cr.NS_ERROR_UNEXPECTED);
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}
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let request = Services.DOMRequest.createRequest(window);
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let requestId = btoa(this.getRequestId(request));
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this._requestMap[requestId] = window;
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cpmm.sendAsyncMessage("NFC:MakeReadOnlyNDEF", {
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requestId: requestId,
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sessionToken: sessionToken
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});
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return request;
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},
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connect: function connect(window, techType, sessionToken) {
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if (window == null) {
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throw Components.Exception("Can't get window object",
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Cr.NS_ERROR_UNEXPECTED);
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}
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let request = Services.DOMRequest.createRequest(window);
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let requestId = btoa(this.getRequestId(request));
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this._requestMap[requestId] = window;
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cpmm.sendAsyncMessage("NFC:Connect", {
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requestId: requestId,
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sessionToken: sessionToken,
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techType: techType
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});
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return request;
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},
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close: function close(window, sessionToken) {
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if (window == null) {
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throw Components.Exception("Can't get window object",
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Cr.NS_ERROR_UNEXPECTED);
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}
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let request = Services.DOMRequest.createRequest(window);
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let requestId = btoa(this.getRequestId(request));
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this._requestMap[requestId] = window;
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cpmm.sendAsyncMessage("NFC:Close", {
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requestId: requestId,
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sessionToken: sessionToken
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});
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return request;
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},
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sendFile: function sendFile(window, data, sessionToken) {
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if (window == null) {
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throw Components.Exception("Can't get window object",
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Cr.NS_ERROR_UNEXPECTED);
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}
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let request = Services.DOMRequest.createRequest(window);
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let requestId = btoa(this.getRequestId(request));
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this._requestMap[requestId] = window;
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cpmm.sendAsyncMessage("NFC:SendFile", {
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requestId: requestId,
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sessionToken: sessionToken,
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blob: data.blob
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});
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return request;
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},
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notifySendFileStatus: function notifySendFileStatus(window, status,
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requestId) {
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if (window == null) {
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throw Components.Exception("Can't get window object",
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Cr.NS_ERROR_UNEXPECTED);
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}
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cpmm.sendAsyncMessage("NFC:NotifySendFileStatus", {
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status: status,
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requestId: requestId
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});
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},
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registerEventTarget: function registerEventTarget(target) {
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this.eventTarget = target;
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cpmm.sendAsyncMessage("NFC:AddEventTarget");
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},
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registerTargetForPeerReady: function registerTargetForPeerReady(window, appId) {
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if (window == null) {
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throw Components.Exception("Can't get window object",
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Cr.NS_ERROR_UNEXPECTED);
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}
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cpmm.sendAsyncMessage("NFC:RegisterPeerReadyTarget", { appId: appId });
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},
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unregisterTargetForPeerReady: function unregisterTargetForPeerReady(window, appId) {
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if (window == null) {
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throw Components.Exception("Can't get window object",
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Cr.NS_ERROR_UNEXPECTED);
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}
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cpmm.sendAsyncMessage("NFC:UnregisterPeerReadyTarget", { appId: appId });
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},
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checkP2PRegistration: function checkP2PRegistration(window, appId) {
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if (window == null) {
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throw Components.Exception("Can't get window object",
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Cr.NS_ERROR_UNEXPECTED);
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}
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let request = Services.DOMRequest.createRequest(window);
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let requestId = btoa(this.getRequestId(request));
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this._requestMap[requestId] = window;
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cpmm.sendAsyncMessage("NFC:CheckP2PRegistration", {
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appId: appId,
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requestId: requestId
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});
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return request;
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},
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notifyUserAcceptedP2P: function notifyUserAcceptedP2P(window, appId) {
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if (window == null) {
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throw Components.Exception("Can't get window object",
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Cr.NS_ERROR_UNEXPECTED);
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}
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cpmm.sendAsyncMessage("NFC:NotifyUserAcceptedP2P", {
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appId: appId
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});
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},
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startPoll: function startPoll(window) {
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if (window == null) {
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throw Components.Exception("Can't get window object",
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Cr.NS_ERROR_UNEXPECTED);
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}
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let request = Services.DOMRequest.createRequest(window);
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let requestId = btoa(this.getRequestId(request));
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this._requestMap[requestId] = window;
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cpmm.sendAsyncMessage("NFC:StartPoll",
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{requestId: requestId});
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return request;
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},
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stopPoll: function stopPoll(window) {
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if (window == null) {
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throw Components.Exception("Can't get window object",
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Cr.NS_ERROR_UNEXPECTED);
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}
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let request = Services.DOMRequest.createRequest(window);
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let requestId = btoa(this.getRequestId(request));
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this._requestMap[requestId] = window;
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cpmm.sendAsyncMessage("NFC:StopPoll",
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{requestId: requestId});
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return request;
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},
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powerOff: function powerOff(window) {
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if (window == null) {
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throw Components.Exception("Can't get window object",
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Cr.NS_ERROR_UNEXPECTED);
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}
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let request = Services.DOMRequest.createRequest(window);
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let requestId = btoa(this.getRequestId(request));
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this._requestMap[requestId] = window;
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cpmm.sendAsyncMessage("NFC:PowerOff",
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{requestId: requestId});
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return request;
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},
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// nsIObserver
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observe: function observe(subject, topic, data) {
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if (topic == "xpcom-shutdown") {
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this.destroyDOMRequestHelper();
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Services.obs.removeObserver(this, "xpcom-shutdown");
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cpmm = null;
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}
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},
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// nsIMessageListener
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fireRequestSuccess: function fireRequestSuccess(requestId, result) {
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let request = this.takeRequest(requestId);
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if (!request) {
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debug("not firing success for id: " + requestId);
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return;
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}
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debug("fire request success, id: " + requestId);
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Services.DOMRequest.fireSuccess(request, result);
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},
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fireRequestError: function fireRequestError(requestId, errorMsg) {
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let request = this.takeRequest(requestId);
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if (!request) {
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debug("not firing error for id: " + requestId +
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", errormsg: " + errorMsg);
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return;
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}
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debug("fire request error, id: " + requestId +
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", errormsg: " + errorMsg);
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Services.DOMRequest.fireError(request, errorMsg);
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},
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receiveMessage: function receiveMessage(message) {
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DEBUG && debug("Message received: " + JSON.stringify(message));
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let result = message.json;
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switch (message.name) {
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case "NFC:ReadNDEFResponse":
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this.handleReadNDEFResponse(result);
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break;
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case "NFC:CheckP2PRegistrationResponse":
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this.handleCheckP2PRegistrationResponse(result);
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break;
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case "NFC:ConnectResponse": // Fall through.
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case "NFC:CloseResponse":
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case "NFC:WriteNDEFResponse":
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case "NFC:MakeReadOnlyNDEFResponse":
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case "NFC:NotifySendFileStatusResponse":
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case "NFC:ConfigResponse":
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if (result.errorMsg) {
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this.fireRequestError(atob(result.requestId), result.errorMsg);
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} else {
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this.fireRequestSuccess(atob(result.requestId), result);
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}
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break;
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case "NFC:DOMEvent":
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switch (result.event) {
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case NFC.NFC_PEER_EVENT_READY:
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this.eventTarget.notifyPeerReady(result.sessionToken);
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break;
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case NFC.NFC_PEER_EVENT_LOST:
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this.eventTarget.notifyPeerLost(result.sessionToken);
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break;
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}
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break;
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}
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},
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handleReadNDEFResponse: function handleReadNDEFResponse(result) {
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let requester = this._requestMap[result.requestId];
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if (!requester) {
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debug("Response Invalid requestId=" + result.requestId);
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return;
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}
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delete this._requestMap[result.requestId];
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if (result.errorMsg) {
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this.fireRequestError(atob(result.requestId), result.errorMsg);
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return;
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}
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let requestId = atob(result.requestId);
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let ndefMsg = [];
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let records = result.records;
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for (let i = 0; i < records.length; i++) {
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let record = records[i];
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ndefMsg.push(new requester.MozNDEFRecord({tnf: record.tnf,
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type: record.type,
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id: record.id,
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payload: record.payload}));
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}
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this.fireRequestSuccess(requestId, ndefMsg);
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},
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handleCheckP2PRegistrationResponse: function handleCheckP2PRegistrationResponse(result) {
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// Privilaged status API. Always fire success to avoid using exposed props.
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// The receiver must check the boolean mapped status code to handle.
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let requestId = atob(result.requestId);
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this.fireRequestSuccess(requestId, !result.errorMsg);
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},
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};
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if (NFC_ENABLED) {
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([NfcContentHelper]);
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}
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