home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
PC World Komputer 2010 April
/
PCWorld0410.iso
/
pluginy Firefox
/
10868
/
10868.xpi
/
modules
/
engines
/
clientData.js
< prev
next >
Wrap
Text File
|
2010-02-02
|
8KB
|
268 lines
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Weave
*
* The Initial Developer of the Original Code is Mozilla.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Dan Mills <thunder@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
const EXPORTED_SYMBOLS = ['Clients'];
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import("resource://weave/util.js");
Cu.import("resource://weave/engines.js");
Cu.import("resource://weave/stores.js");
Cu.import("resource://weave/trackers.js");
Cu.import("resource://weave/type_records/clientData.js");
Utils.lazy(this, 'Clients', ClientEngine);
function ClientEngine() {
this._init();
}
ClientEngine.prototype = {
__proto__: SyncEngine.prototype,
name: "clients",
_displayName: "Clients",
description: "Sync information about other clients connected to Weave Sync",
logName: "Clients",
_storeObj: ClientStore,
_trackerObj: ClientTracker,
_recordObj: ClientRecord,
_init: function _init() {
// Reset the client on every startup so that we fetch recent clients
SyncEngine.prototype._init.call(this);
this._resetClient();
Utils.prefs.addObserver("", this, false);
},
// get and set info for clients
// FIXME: callers must use the setInfo interface or changes won't get synced,
// which is unintuitive
getClients: function ClientEngine_getClients() {
return this._store.clients;
},
getInfo: function ClientEngine_getInfo(id) {
return this._store.getInfo(id);
},
setInfo: function ClientEngine_setInfo(id, info) {
this._store.setInfo(id, info);
this._tracker.addChangedID(id);
},
// helpers for getting/setting this client's info directly
get clientID() {
if (!Svc.Prefs.get("client.GUID"))
Svc.Prefs.set("client.GUID", Utils.makeGUID());
return Svc.Prefs.get("client.GUID");
},
get syncID() {
if (!Svc.Prefs.get("client.syncID"))
Svc.Prefs.set("client.syncID", Utils.makeGUID());
return Svc.Prefs.get("client.syncID");
},
set syncID(value) {
Svc.Prefs.set("client.syncID", value);
},
resetSyncID: function ClientEngine_resetSyncID() {
Svc.Prefs.reset("client.syncID");
},
get clientName() {
if (Svc.Prefs.isSet("client.name"))
return Svc.Prefs.get("client.name");
// Generate a client name if we don't have a useful one yet
let user = Svc.Env.get("USER") || Svc.Env.get("USERNAME");
let app = Svc.AppInfo.name;
let host = Svc.SysInfo.get("host");
// Try figuring out the name of the current profile
let prof = Svc.Directory.get("ProfD", Components.interfaces.nsIFile).path;
let profiles = Svc.Profiles.profiles;
while (profiles.hasMoreElements()) {
let profile = profiles.getNext().QueryInterface(Ci.nsIToolkitProfile);
if (prof == profile.rootDir.path) {
// Only bother adding the profile name if it's not "default"
if (profile.name != "default")
host = profile.name + "-" + host;
break;
}
}
return this.clientName = Str.sync.get("client.name", [user, app, host]);
},
set clientName(value) { Svc.Prefs.set("client.name", value); },
get clientType() { return Svc.Prefs.get("client.type", "desktop"); },
set clientType(value) { Svc.Prefs.set("client.type", value); },
updateLocalInfo: function ClientEngine_updateLocalInfo(info) {
// Grab data from the store if we weren't given something to start with
if (!info)
info = this.getInfo(this.clientID);
// Overwrite any existing values with the ones from the pref
info.name = this.clientName;
info.type = this.clientType;
return info;
},
observe: function ClientEngine_observe(subject, topic, data) {
switch (topic) {
case "nsPref:changed":
switch (data) {
case "client.name":
case "client.type":
// Update the store and tracker on pref changes
this.setInfo(this.clientID, this.updateLocalInfo());
break;
}
break;
}
},
// Always process incoming items because they might have commands
_reconcile: function _reconcile() {
return true;
},
_resetClient: function ClientEngine__resetClient() {
SyncEngine.prototype._resetClient.call(this);
this._store.wipe();
// Make sure the local client exists after wiping
this.setInfo(this.clientID, this.updateLocalInfo({}));
}
};
function ClientStore() {
this.init();
}
ClientStore.prototype = {
//////////////////////////////////////////////////////////////////////////////
// ClientStore Attributes
clients: {},
__proto__: Store.prototype,
//////////////////////////////////////////////////////////////////////////////
// ClientStore Methods
/**
* Get the client by guid
*/
getInfo: function ClientStore_getInfo(id) this.clients[id],
/**
* Initialize parent class then load client data from disk
*/
init: function ClientStore_init() {
this._init.call(this);
},
/**
* Set the client data for a guid. Use Engine.setInfo to update tracker.
*/
setInfo: function ClientStore_setInfo(id, info) {
this._log.debug("Setting client " + id + ": " + JSON.stringify(info));
this.clients[id] = info;
},
//////////////////////////////////////////////////////////////////////////////
// Store.prototype Attributes
name: "clients",
_logName: "Clients.Store",
//////////////////////////////////////////////////////////////////////////////
// Store.prototype Methods
changeItemID: function ClientStore_changeItemID(oldID, newID) {
this._log.debug("Changing id from " + oldId + " to " + newID);
this.clients[newID] = this.clients[oldID];
delete this.clients[oldID];
},
create: function ClientStore_create(record) {
this.update(record);
},
createRecord: function ClientStore_createRecord(id) {
let record = new ClientRecord();
record.id = id;
record.payload = this.clients[id];
return record;
},
getAllIDs: function ClientStore_getAllIDs() this.clients,
itemExists: function ClientStore_itemExists(id) id in this.clients,
remove: function ClientStore_remove(record) {
this._log.debug("Removing client " + record.id);
delete this.clients[record.id];
},
update: function ClientStore_update(record) {
this._log.debug("Updating client " + record.id);
this.clients[record.id] = record.payload;
},
wipe: function ClientStore_wipe() {
this._log.debug("Wiping local clients store")
this.clients = {};
},
};
function ClientTracker() {
this._init();
}
ClientTracker.prototype = {
__proto__: Tracker.prototype,
name: "clients",
_logName: "ClientTracker",
file: "clients",
get score() 100 // always sync
};