gecko-dev/dom/system/SystemUpdateManager.js

254 строки
7.7 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;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/DOMRequestHelper.jsm");
var debug = Services.prefs.getBoolPref("dom.system_update.debug")
? (aMsg) => dump("-*- SystemUpdateManager.js : " + aMsg + "\n")
: (aMsg) => {};
const SYSTEMUPDATEPROVIDER_CID = Components.ID("{11fbea3d-fd94-459a-b8fb-557fe19e473a}");
const SYSTEMUPDATEMANAGER_CID = Components.ID("{e8530001-ba5b-46ab-a306-7fbeb692d0fe}");
const SYSTEMUPDATEMANAGER_CONTRACTID = "@mozilla.org/system-update-manager;1";
XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
"@mozilla.org/childprocessmessagemanager;1",
"nsISyncMessageSender");
function SystemUpdateProvider(win, provider) {
this.initDOMRequestHelper(win, [
{name: "SystemUpdate:OnUpdateAvailable", weakRef: true},
{name: "SystemUpdate:OnProgress", weakRef: true},
{name: "SystemUpdate:OnUpdateReady", weakRef: true},
{name: "SystemUpdate:OnError", weakRef: true},
]);
this._provider = Cu.cloneInto(provider, win);
}
SystemUpdateProvider.prototype = {
__proto__: DOMRequestIpcHelper.prototype,
classID: SYSTEMUPDATEPROVIDER_CID,
QueryInterface: XPCOMUtils.generateQI([Ci.nsISupportsWeakReference,
Ci.nsIObserver]),
receiveMessage: function(aMsg) {
if (!aMsg || !aMsg.json) {
return;
}
let json = aMsg.json;
if (json.uuid !== this._provider.uuid) {
return;
}
debug("receive msg: " + aMsg.name);
switch (aMsg.name) {
case "SystemUpdate:OnUpdateAvailable": {
let detail = {
detail: {
packageInfo: json.packageInfo
}
};
let event = new this._window.CustomEvent("updateavailable",
Cu.cloneInto(detail, this._window));
this.__DOM_IMPL__.dispatchEvent(event);
break;
}
case "SystemUpdate:OnProgress": {
let event = new this._window.ProgressEvent("progress", {lengthComputable: true,
loaded: json.loaded,
total: json.total});
this.__DOM_IMPL__.dispatchEvent(event);
break;
}
case "SystemUpdate:OnUpdateReady": {
let event = new this._window.Event("updateready");
this.__DOM_IMPL__.dispatchEvent(event);
break;
}
case "SystemUpdate:OnError": {
let event = new this._window.ErrorEvent("error", {message: json.message});
this.__DOM_IMPL__.dispatchEvent(event);
break;
}
}
},
destroy: function() {
this.destroyDOMRequestHelper();
},
get name() {
return this._provider.name;
},
get uuid() {
return this._provider.uuid;
},
get onupdateavailable() {
return this.__DOM_IMPL__.getEventHandler("onupdateavailable");
},
set onupdateavailable(aHandler) {
this.__DOM_IMPL__.setEventHandler("onupdateavailable", aHandler);
},
get onprogress() {
return this.__DOM_IMPL__.getEventHandler("onprogress");
},
set onprogress(aHandler) {
this.__DOM_IMPL__.setEventHandler("onprogress", aHandler);
},
get onupdateready() {
return this.__DOM_IMPL__.getEventHandler("onupdateready");
},
set onupdateready(aHandler) {
this.__DOM_IMPL__.setEventHandler("onupdateready", aHandler);
},
get onerror() {
return this.__DOM_IMPL__.getEventHandler("onerror");
},
set onerror(aHandler) {
this.__DOM_IMPL__.setEventHandler("onerror", aHandler);
},
checkForUpdate: function() {
let self = this;
cpmm.sendAsyncMessage("SystemUpdate:CheckForUpdate", {
uuid: self._provider.uuid
});
},
startDownload: function() {
let self = this;
cpmm.sendAsyncMessage("SystemUpdate:StartDownload", {
uuid: self._provider.uuid
});
},
stopDownload: function() {
let self = this;
cpmm.sendAsyncMessage("SystemUpdate:StopDownload", {
uuid: self._provider.uuid
});
},
applyUpdate: function() {
let self = this;
cpmm.sendAsyncMessage("SystemUpdate:ApplyUpdate", {
uuid: self._provider.uuid
});
},
setParameter: function(aName, aValue) {
let self = this;
return cpmm.sendSyncMessage("SystemUpdate:SetParameter", {
uuid: self._provider.uuid,
name: aName,
value: aValue
})[0];
},
getParameter: function(aName) {
let self = this;
return cpmm.sendSyncMessage("SystemUpdate:GetParameter", {
uuid: self._provider.uuid,
name: aName
})[0];
},
};
function SystemUpdateManager() {}
SystemUpdateManager.prototype = {
__proto__: DOMRequestIpcHelper.prototype,
classID: SYSTEMUPDATEMANAGER_CID,
QueryInterface: XPCOMUtils.generateQI([Ci.nsISupportsWeakReference,
Ci.nsIObserver,
Ci.nsIDOMGlobalPropertyInitializer]),
receiveMessage: function(aMsg) {
if (!aMsg || !aMsg.json) {
return;
}
let json = aMsg.json;
let resolver = this.takePromiseResolver(json.requestId);
if (!resolver) {
return;
}
debug("receive msg: " + aMsg.name);
switch (aMsg.name) {
case "SystemUpdate:GetProviders:Result:OK": {
resolver.resolve(Cu.cloneInto(json.providers, this._window));
break;
}
case "SystemUpdate:SetActiveProvider:Result:OK":
case "SystemUpdate:GetActiveProvider:Result:OK": {
let updateProvider = new SystemUpdateProvider(this._window, json.provider);
resolver.resolve(this._window.SystemUpdateProvider._create(this._window,
updateProvider));
break;
}
case "SystemUpdate:GetProviders:Result:Error":
case "SystemUpdate:GetActiveProvider:Result:Error":
case "SystemUpdate:SetActiveProvider:Result:Error": {
resolver.reject(json.error);
break;
}
}
},
init: function(aWindow) {
this.initDOMRequestHelper(aWindow, [
{name: "SystemUpdate:GetProviders:Result:OK", weakRef: true},
{name: "SystemUpdate:GetProviders:Result:Error", weakRef: true},
{name: "SystemUpdate:GetActiveProvider:Result:OK", weakRef: true},
{name: "SystemUpdate:GetActiveProvider:Result:Error", weakRef: true},
{name: "SystemUpdate:SetActiveProvider:Result:OK", weakRef: true},
{name: "SystemUpdate:SetActiveProvider:Result:Error", weakRef: true},
]);
},
uninit: function() {
let self = this;
this.forEachPromiseResolver(function(aKey) {
self.takePromiseResolver(aKey).reject("SystemUpdateManager got destroyed");
});
},
getProviders: function() {
return this.createPromiseWithId(function(aResolverId) {
cpmm.sendAsyncMessage("SystemUpdate:GetProviders", {
requestId: aResolverId,
});
});
},
getActiveProvider: function() {
return this.createPromiseWithId(function(aResolverId) {
cpmm.sendAsyncMessage("SystemUpdate:GetActiveProvider", {
requestId: aResolverId,
});
});
},
setActiveProvider: function(aUuid) {
return this.createPromiseWithId(function(aResolverId) {
cpmm.sendAsyncMessage("SystemUpdate:SetActiveProvider", {
requestId: aResolverId,
uuid: aUuid
});
});
}
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([SystemUpdateManager]);