gecko-dev/b2g/components/PaymentProviderStrategy.js

179 строки
4.9 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
const PREF_DEBUG = "dom.payment.debug";
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
XPCOMUtils.defineLazyServiceGetter(this, "gIccService",
"@mozilla.org/icc/iccservice;1",
"nsIIccService");
XPCOMUtils.defineLazyServiceGetter(this, "gRil",
"@mozilla.org/ril;1",
"nsIRadioInterfaceLayer");
XPCOMUtils.defineLazyServiceGetter(this, "gSettingsService",
"@mozilla.org/settingsService;1",
"nsISettingsService");
const kMozSettingsChangedObserverTopic = "mozsettings-changed";
const kRilDefaultDataServiceId = "ril.data.defaultServiceId";
const kRilDefaultPaymentServiceId = "ril.payment.defaultServiceId";
let _debug;
try {
_debug = Services.prefs.getPrefType(PREF_DEBUG) == Ci.nsIPrefBranch.PREF_BOOL
&& Services.prefs.getBoolPref(PREF_DEBUG);
} catch(e){
_debug = false;
}
function LOG(s) {
if (!_debug) {
return;
}
dump("== Payment Provider == " + s + "\n");
}
function LOGE(s) {
dump("== Payment Provider ERROR == " + s + "\n");
}
function PaymentSettings() {
Services.obs.addObserver(this, kMozSettingsChangedObserverTopic, false);
[kRilDefaultDataServiceId, kRilDefaultPaymentServiceId].forEach(setting => {
gSettingsService.createLock().get(setting, this);
});
}
PaymentSettings.prototype = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsISettingsServiceCallback,
Ci.nsIObserver]),
dataServiceId: 0,
_paymentServiceId: 0,
get paymentServiceId() {
return this._paymentServiceId;
},
set paymentServiceId(serviceId) {
// We allow the payment provider to set the service ID that will be used
// for the payment process.
// This service ID will be the one used by the silent SMS flow.
// If the payment is done with an external SIM, the service ID must be set
// to null.
if (serviceId != null && serviceId >= gRil.numRadioInterfaces) {
LOGE("Invalid service ID " + serviceId);
return;
}
gSettingsService.createLock().set(kRilDefaultPaymentServiceId,
serviceId, 0);
this._paymentServiceId = serviceId;
},
setServiceId: function(aName, aValue) {
switch (aName) {
case kRilDefaultDataServiceId:
this.dataServiceId = aValue;
if (_debug) {
LOG("dataServiceId " + this.dataServiceId);
}
break;
case kRilDefaultPaymentServiceId:
this._paymentServiceId = aValue;
if (_debug) {
LOG("paymentServiceId " + this._paymentServiceId);
}
break;
}
},
handle: function(aName, aValue) {
if (aName != kRilDefaultDataServiceId) {
return;
}
this.setServiceId(aName, aValue);
},
observe: function(aSubject, aTopic, aData) {
if (aTopic != kMozSettingsChangedObserverTopic) {
return;
}
try {
if ("wrappedJSObject" in aSubject) {
aSubject = aSubject.wrappedJSObject;
}
if (!aSubject.key ||
(aSubject.key !== kRilDefaultDataServiceId &&
aSubject.key !== kRilDefaultPaymentServiceId)) {
return;
}
this.setServiceId(aSubject.key, aSubject.value);
} catch (e) {
LOGE(e);
}
},
cleanup: function() {
Services.obs.removeObserver(this, kMozSettingsChangedObserverTopic);
}
};
function PaymentProviderStrategy() {
this._settings = new PaymentSettings();
}
PaymentProviderStrategy.prototype = {
get paymentServiceId() {
return this._settings.paymentServiceId;
},
set paymentServiceId(aServiceId) {
this._settings.paymentServiceId = aServiceId;
},
get iccInfo() {
if (!this._iccInfo) {
this._iccInfo = [];
for (let i = 0; i < gRil.numRadioInterfaces; i++) {
let icc = gIccService.getIccByServiceId(i);
let info = icc && icc.iccInfo;
if (!info) {
LOGE("Tried to get the ICC info for an invalid service ID " + i);
continue;
}
this._iccInfo.push({
iccId: info.iccid,
mcc: info.mcc,
mnc: info.mnc,
dataPrimary: i == this._settings.dataServiceId
});
}
}
return this._iccInfo;
},
cleanup: function() {
this._settings.cleanup();
},
classID: Components.ID("{4834b2e1-2c91-44ea-b020-e2581ed279a4}"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIPaymentProviderStrategy])
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([PaymentProviderStrategy]);