gecko/dom/tethering/TetheringManager.js

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/* 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, results: Cr} = Components;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/DOMRequestHelper.jsm");
XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
"@mozilla.org/childprocessmessagemanager;1",
"nsIMessageSender");
const DEBUG = false;
const TETHERING_TYPE_WIFI = "wifi";
const TETHERING_TYPE_BLUETOOTH = "bt";
const TETHERING_TYPE_USB = "usb";
function TetheringManager() {
}
TetheringManager.prototype = {
__proto__: DOMRequestIpcHelper.prototype,
classDescription: "TetheringManager",
classID: Components.ID("{bd8a831c-d8ec-4f00-8803-606e50781097}"),
contractID: "@mozilla.org/dom/tetheringmanager;1",
QueryInterface: XPCOMUtils.generateQI([Ci.nsIDOMGlobalPropertyInitializer,
Ci.nsISupportsWeakReference,
Ci.nsIObserver]),
init: function(aWindow) {
const messages = ["WifiManager:setWifiTethering:Return:OK",
"WifiManager:setWifiTethering:Return:NO"];
this.initDOMRequestHelper(aWindow, messages);
},
_getPromise: function(aCallback) {
let self = this;
return this.createPromise(function(aResolve, aReject) {
let resolverId = self.getPromiseResolverId({
resolve: aResolve,
reject: aReject
});
aCallback(resolverId);
});
},
// TODO : aMessage format may be different after supporting bt/usb.
// for now, use wifi format first.
receiveMessage: function(aMessage) {
let data = aMessage.data.data;
let resolver = this.takePromiseResolver(data.resolverId);
if (!resolver) {
return;
}
switch (aMessage.name) {
case "WifiManager:setWifiTethering:Return:OK":
resolver.resolve(data);
break;
case "WifiManager:setWifiTethering:Return:NO":
resolver.reject(data.reason);
break;
}
},
setTetheringEnabled: function setTetheringEnabled(aEnabled, aType, aConfig) {
let self = this;
switch (aType) {
case TETHERING_TYPE_WIFI:
return this._getPromise(function(aResolverId) {
let data = { resolverId: aResolverId, enabled: aEnabled, config: aConfig };
cpmm.sendAsyncMessage("WifiManager:setWifiTethering", { data: data});
});
case TETHERING_TYPE_BLUETOOTH:
case TETHERING_TYPE_USB:
default:
debug("tethering type(" + aType + ") doesn't support");
return this._getPromise(function(aResolverId) {
self.takePromiseResolver(aResolverId).reject();
});
}
},
};
this.NSGetFactory =
XPCOMUtils.generateNSGetFactory([TetheringManager]);
let debug;
if (DEBUG) {
debug = function (s) {
dump("-*- TetheringManager component: " + s + "\n");
};
} else {
debug = function (s) {};
}