mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
388 lines
12 KiB
JavaScript
388 lines
12 KiB
JavaScript
/* Copyright 2012 Mozilla Foundation and Mozilla contributors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
/* Copyright © 2013, Deutsche Telekom, Inc. */
|
|
|
|
"use strict";
|
|
|
|
const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
|
|
|
|
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
|
|
Cu.import("resource://gre/modules/Services.jsm");
|
|
Cu.import("resource://gre/modules/DOMRequestHelper.jsm");
|
|
|
|
let NFC = {};
|
|
Cu.import("resource://gre/modules/nfc_consts.js", NFC);
|
|
|
|
// set to true to in nfc_consts.js to see debug messages
|
|
let DEBUG = NFC.DEBUG_CONTENT_HELPER;
|
|
|
|
let debug;
|
|
if (DEBUG) {
|
|
debug = function (s) {
|
|
dump("-*- NfcContentHelper: " + s + "\n");
|
|
};
|
|
} else {
|
|
debug = function (s) {};
|
|
}
|
|
|
|
const NFCCONTENTHELPER_CID =
|
|
Components.ID("{4d72c120-da5f-11e1-9b23-0800200c9a66}");
|
|
|
|
const NFC_IPC_MSG_NAMES = [
|
|
"NFC:ReadNDEFResponse",
|
|
"NFC:WriteNDEFResponse",
|
|
"NFC:GetDetailsNDEFResponse",
|
|
"NFC:MakeReadOnlyNDEFResponse",
|
|
"NFC:ConnectResponse",
|
|
"NFC:CloseResponse",
|
|
"NFC:CheckP2PRegistrationResponse",
|
|
"NFC:PeerEvent"
|
|
];
|
|
|
|
XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
|
|
"@mozilla.org/childprocessmessagemanager;1",
|
|
"nsISyncMessageSender");
|
|
|
|
function NfcContentHelper() {
|
|
this.initDOMRequestHelper(/* aWindow */ null, NFC_IPC_MSG_NAMES);
|
|
Services.obs.addObserver(this, "xpcom-shutdown", false);
|
|
|
|
this._requestMap = [];
|
|
|
|
// Maintains an array of PeerEvent related callbacks, mainly
|
|
// one for 'peerReady' and another for 'peerLost'.
|
|
this.peerEventsCallbackMap = {};
|
|
}
|
|
|
|
NfcContentHelper.prototype = {
|
|
__proto__: DOMRequestIpcHelper.prototype,
|
|
|
|
QueryInterface: XPCOMUtils.generateQI([Ci.nsINfcContentHelper,
|
|
Ci.nsISupportsWeakReference,
|
|
Ci.nsIObserver]),
|
|
classID: NFCCONTENTHELPER_CID,
|
|
classInfo: XPCOMUtils.generateCI({
|
|
classID: NFCCONTENTHELPER_CID,
|
|
classDescription: "NfcContentHelper",
|
|
interfaces: [Ci.nsINfcContentHelper]
|
|
}),
|
|
|
|
_requestMap: null,
|
|
peerEventsCallbackMap: null,
|
|
|
|
/* TODO: Bug 815526: This is a limitation when a DOMString is used in sequences of Moz DOM Objects.
|
|
* Strings such as 'type', 'id' 'payload' will not be acccessible to NfcWorker.
|
|
* Therefore this function exists till the bug is addressed.
|
|
*/
|
|
encodeNdefRecords: function encodeNdefRecords(records) {
|
|
let encodedRecords = [];
|
|
for (let i = 0; i < records.length; i++) {
|
|
let record = records[i];
|
|
encodedRecords.push({
|
|
tnf: record.tnf,
|
|
type: record.type,
|
|
id: record.id,
|
|
payload: record.payload,
|
|
});
|
|
}
|
|
return encodedRecords;
|
|
},
|
|
|
|
// NFC interface:
|
|
setSessionToken: function setSessionToken(sessionToken) {
|
|
if (sessionToken == null) {
|
|
throw Components.Exception("No session token!",
|
|
Cr.NS_ERROR_UNEXPECTED);
|
|
return;
|
|
}
|
|
// Report session to Nfc.js only.
|
|
cpmm.sendAsyncMessage("NFC:SetSessionToken", {
|
|
sessionToken: sessionToken,
|
|
});
|
|
},
|
|
|
|
// NFCTag interface
|
|
getDetailsNDEF: function getDetailsNDEF(window, sessionToken) {
|
|
if (window == null) {
|
|
throw Components.Exception("Can't get window object",
|
|
Cr.NS_ERROR_UNEXPECTED);
|
|
}
|
|
let request = Services.DOMRequest.createRequest(window);
|
|
let requestId = btoa(this.getRequestId(request));
|
|
this._requestMap[requestId] = window;
|
|
|
|
cpmm.sendAsyncMessage("NFC:GetDetailsNDEF", {
|
|
requestId: requestId,
|
|
sessionToken: sessionToken
|
|
});
|
|
return request;
|
|
},
|
|
|
|
readNDEF: function readNDEF(window, sessionToken) {
|
|
if (window == null) {
|
|
throw Components.Exception("Can't get window object",
|
|
Cr.NS_ERROR_UNEXPECTED);
|
|
}
|
|
let request = Services.DOMRequest.createRequest(window);
|
|
let requestId = btoa(this.getRequestId(request));
|
|
this._requestMap[requestId] = window;
|
|
|
|
cpmm.sendAsyncMessage("NFC:ReadNDEF", {
|
|
requestId: requestId,
|
|
sessionToken: sessionToken
|
|
});
|
|
return request;
|
|
},
|
|
|
|
writeNDEF: function writeNDEF(window, records, sessionToken) {
|
|
if (window == null) {
|
|
throw Components.Exception("Can't get window object",
|
|
Cr.NS_ERROR_UNEXPECTED);
|
|
}
|
|
let request = Services.DOMRequest.createRequest(window);
|
|
let requestId = btoa(this.getRequestId(request));
|
|
this._requestMap[requestId] = window;
|
|
|
|
let encodedRecords = this.encodeNdefRecords(records);
|
|
cpmm.sendAsyncMessage("NFC:WriteNDEF", {
|
|
requestId: requestId,
|
|
sessionToken: sessionToken,
|
|
records: encodedRecords
|
|
});
|
|
return request;
|
|
},
|
|
|
|
makeReadOnlyNDEF: function makeReadOnlyNDEF(window, sessionToken) {
|
|
if (window == null) {
|
|
throw Components.Exception("Can't get window object",
|
|
Cr.NS_ERROR_UNEXPECTED);
|
|
}
|
|
|
|
let request = Services.DOMRequest.createRequest(window);
|
|
let requestId = btoa(this.getRequestId(request));
|
|
this._requestMap[requestId] = window;
|
|
|
|
cpmm.sendAsyncMessage("NFC:MakeReadOnlyNDEF", {
|
|
requestId: requestId,
|
|
sessionToken: sessionToken
|
|
});
|
|
return request;
|
|
},
|
|
|
|
connect: function connect(window, techType, sessionToken) {
|
|
if (window == null) {
|
|
throw Components.Exception("Can't get window object",
|
|
Cr.NS_ERROR_UNEXPECTED);
|
|
}
|
|
let request = Services.DOMRequest.createRequest(window);
|
|
let requestId = btoa(this.getRequestId(request));
|
|
this._requestMap[requestId] = window;
|
|
|
|
cpmm.sendAsyncMessage("NFC:Connect", {
|
|
requestId: requestId,
|
|
sessionToken: sessionToken,
|
|
techType: techType
|
|
});
|
|
return request;
|
|
},
|
|
|
|
close: function close(window, sessionToken) {
|
|
if (window == null) {
|
|
throw Components.Exception("Can't get window object",
|
|
Cr.NS_ERROR_UNEXPECTED);
|
|
}
|
|
let request = Services.DOMRequest.createRequest(window);
|
|
let requestId = btoa(this.getRequestId(request));
|
|
this._requestMap[requestId] = window;
|
|
|
|
cpmm.sendAsyncMessage("NFC:Close", {
|
|
requestId: requestId,
|
|
sessionToken: sessionToken
|
|
});
|
|
return request;
|
|
},
|
|
|
|
registerTargetForPeerEvent: function registerTargetForPeerEvent(window,
|
|
appId, event, callback) {
|
|
if (window == null) {
|
|
throw Components.Exception("Can't get window object",
|
|
Cr.NS_ERROR_UNEXPECTED);
|
|
}
|
|
this.peerEventsCallbackMap[event] = callback;
|
|
cpmm.sendAsyncMessage("NFC:RegisterPeerTarget", {
|
|
appId: appId,
|
|
event: event
|
|
});
|
|
},
|
|
|
|
unregisterTargetForPeerEvent: function unregisterTargetForPeerEvent(window,
|
|
appId, event) {
|
|
if (window == null) {
|
|
throw Components.Exception("Can't get window object",
|
|
Cr.NS_ERROR_UNEXPECTED);
|
|
}
|
|
let callback = this.peerEventsCallbackMap[event];
|
|
if (callback != null) {
|
|
delete this.peerEventsCallbackMap[event];
|
|
}
|
|
|
|
cpmm.sendAsyncMessage("NFC:UnregisterPeerTarget", {
|
|
appId: appId,
|
|
event: event
|
|
});
|
|
},
|
|
|
|
checkP2PRegistration: function checkP2PRegistration(window, appId) {
|
|
if (window == null) {
|
|
throw Components.Exception("Can't get window object",
|
|
Cr.NS_ERROR_UNEXPECTED);
|
|
}
|
|
let request = Services.DOMRequest.createRequest(window);
|
|
let requestId = btoa(this.getRequestId(request));
|
|
this._requestMap[requestId] = window;
|
|
|
|
cpmm.sendAsyncMessage("NFC:CheckP2PRegistration", {
|
|
appId: appId,
|
|
requestId: requestId
|
|
});
|
|
return request;
|
|
},
|
|
|
|
notifyUserAcceptedP2P: function notifyUserAcceptedP2P(window, appId) {
|
|
if (window == null) {
|
|
throw Components.Exception("Can't get window object",
|
|
Cr.NS_ERROR_UNEXPECTED);
|
|
}
|
|
|
|
cpmm.sendAsyncMessage("NFC:NotifyUserAcceptedP2P", {
|
|
appId: appId
|
|
});
|
|
},
|
|
|
|
// nsIObserver
|
|
|
|
observe: function observe(subject, topic, data) {
|
|
if (topic == "xpcom-shutdown") {
|
|
this.removeMessageListener();
|
|
Services.obs.removeObserver(this, "xpcom-shutdown");
|
|
cpmm = null;
|
|
}
|
|
},
|
|
|
|
// nsIMessageListener
|
|
|
|
fireRequestSuccess: function fireRequestSuccess(requestId, result) {
|
|
let request = this.takeRequest(requestId);
|
|
if (!request) {
|
|
debug("not firing success for id: " + requestId +
|
|
", result: " + JSON.stringify(result));
|
|
return;
|
|
}
|
|
|
|
debug("fire request success, id: " + requestId +
|
|
", result: " + JSON.stringify(result));
|
|
Services.DOMRequest.fireSuccess(request, result);
|
|
},
|
|
|
|
fireRequestError: function fireRequestError(requestId, error) {
|
|
let request = this.takeRequest(requestId);
|
|
if (!request) {
|
|
debug("not firing error for id: " + requestId +
|
|
", error: " + JSON.stringify(error));
|
|
return;
|
|
}
|
|
|
|
debug("fire request error, id: " + requestId +
|
|
", result: " + JSON.stringify(error));
|
|
Services.DOMRequest.fireError(request, error);
|
|
},
|
|
|
|
receiveMessage: function receiveMessage(message) {
|
|
debug("Message received: " + JSON.stringify(message));
|
|
switch (message.name) {
|
|
case "NFC:ReadNDEFResponse":
|
|
this.handleReadNDEFResponse(message.json);
|
|
break;
|
|
case "NFC:ConnectResponse": // Fall through.
|
|
case "NFC:CloseResponse":
|
|
case "NFC:WriteNDEFResponse":
|
|
case "NFC:MakeReadOnlyNDEFResponse":
|
|
case "NFC:GetDetailsNDEFResponse":
|
|
case "NFC:CheckP2PRegistrationResponse":
|
|
this.handleResponse(message.json);
|
|
break;
|
|
case "NFC:PeerEvent":
|
|
let callback = this.peerEventsCallbackMap[message.json.event];
|
|
if (callback) {
|
|
callback.peerNotification(message.json.event,
|
|
message.json.sessionToken);
|
|
} else {
|
|
debug("PeerEvent: No valid callback registered for the event " +
|
|
message.json.event);
|
|
}
|
|
break;
|
|
}
|
|
},
|
|
|
|
handleReadNDEFResponse: function handleReadNDEFResponse(message) {
|
|
debug("ReadNDEFResponse(" + JSON.stringify(message) + ")");
|
|
let requester = this._requestMap[message.requestId];
|
|
if (!requester) {
|
|
debug("ReadNDEFResponse Invalid requester=" + requester +
|
|
" message.sessionToken=" + message.sessionToken);
|
|
return; // Nothing to do in this instance.
|
|
}
|
|
delete this._requestMap[message.requestId];
|
|
let records = message.records;
|
|
let requestId = atob(message.requestId);
|
|
|
|
if (message.status !== NFC.GECKO_NFC_ERROR_SUCCESS) {
|
|
this.fireRequestError(requestId, message.status);
|
|
} else {
|
|
let ndefMsg = [];
|
|
for (let i = 0; i < records.length; i++) {
|
|
let record = records[i];
|
|
ndefMsg.push(new requester.MozNdefRecord(record.tnf,
|
|
record.type,
|
|
record.id,
|
|
record.payload));
|
|
}
|
|
this.fireRequestSuccess(requestId, ndefMsg);
|
|
}
|
|
},
|
|
|
|
handleResponse: function handleResponse(message) {
|
|
debug("Response(" + JSON.stringify(message) + ")");
|
|
let requester = this._requestMap[message.requestId];
|
|
if (!requester) {
|
|
debug("Response Invalid requester=" + requester +
|
|
" message.sessionToken=" + message.sessionToken);
|
|
return; // Nothing to do in this instance.
|
|
}
|
|
delete this._requestMap[message.requestId];
|
|
let result = message;
|
|
let requestId = atob(message.requestId);
|
|
|
|
if (message.status !== NFC.GECKO_NFC_ERROR_SUCCESS) {
|
|
this.fireRequestError(requestId, result.status);
|
|
} else {
|
|
this.fireRequestSuccess(requestId, result);
|
|
}
|
|
},
|
|
};
|
|
|
|
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([NfcContentHelper]);
|