home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
PC World Komputer 2010 April
/
PCWorld0410.iso
/
pluginy Firefox
/
10868
/
10868.xpi
/
modules
/
engines
/
prefs.js
< prev
next >
Wrap
Text File
|
2010-02-02
|
8KB
|
267 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 Bookmarks Sync.
*
* The Initial Developer of the Original Code is Mozilla.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Anant Narayanan <anant@kix.in>
*
* 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 = ['PrefsEngine'];
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
const WEAVE_SYNC_PREFS = "extensions.weave.prefs.sync";
const WEAVE_PREFS_GUID = "preferences";
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/prefs.js");
function PrefsEngine() {
this._init();
}
PrefsEngine.prototype = {
__proto__: SyncEngine.prototype,
name: "prefs",
_displayName: "Preferences",
description: "Synchronize your home page, selected persona, and more",
logName: "Prefs",
_storeObj: PrefStore,
_trackerObj: PrefTracker,
_recordObj: PrefRec,
_wipeClient: function _wipeClient() {
SyncEngine.prototype._wipeClient.call(this);
this.justWiped = true;
},
_reconcile: function _reconcile(item) {
// Apply the incoming item if we don't care about the local data
if (this.justWiped) {
this.justWiped = false;
return true;
}
return SyncEngine.prototype._reconcile.call(this, item);
}
};
function PrefStore() {
this._init();
}
PrefStore.prototype = {
__proto__: Store.prototype,
name: "prefs",
_logName: "PrefStore",
get _prefs() {
let prefs = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch);
this.__defineGetter__("_prefs", function() prefs);
return prefs;
},
get _syncPrefs() {
let service = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefService);
let syncPrefs = service.getBranch(WEAVE_SYNC_PREFS).getChildList("", {}).
map(function(elem) { return elem.substr(1); });
this.__defineGetter__("_syncPrefs", function() syncPrefs);
return syncPrefs;
},
_getAllPrefs: function PrefStore__getAllPrefs() {
let values = [];
let toSync = this._syncPrefs;
let pref;
for (let i = 0; i < toSync.length; i++) {
if (!this._prefs.getBoolPref(WEAVE_SYNC_PREFS + "." + toSync[i]))
continue;
pref = {};
pref["name"] = toSync[i];
switch (this._prefs.getPrefType(toSync[i])) {
case Ci.nsIPrefBranch.PREF_INT:
pref["type"] = "int";
pref["value"] = this._prefs.getIntPref(toSync[i]);
break;
case Ci.nsIPrefBranch.PREF_STRING:
pref["type"] = "string";
pref["value"] = this._prefs.getCharPref(toSync[i]);
break;
case Ci.nsIPrefBranch.PREF_BOOL:
pref["type"] = "boolean";
pref["value"] = this._prefs.getBoolPref(toSync[i]);
break;
default:
this._log.trace("Unsupported pref type for " + toSync[i]);
}
if ("value" in pref)
values[values.length] = pref;
}
return values;
},
_setAllPrefs: function PrefStore__setAllPrefs(values) {
for (let i = 0; i < values.length; i++) {
switch (values[i]["type"]) {
case "int":
this._prefs.setIntPref(values[i]["name"], values[i]["value"]);
break;
case "string":
this._prefs.setCharPref(values[i]["name"], values[i]["value"]);
// Notify the lightweight theme manager of the new value
if (values[i].name == "lightweightThemes.usedThemes") {
try {
let ltm = {};
Cu.import("resource://gre/modules/LightweightThemeManager.jsm", ltm);
ltm = ltm.LightweightThemeManager;
if (ltm.currentTheme) {
ltm.currentTheme = null;
ltm.currentTheme = ltm.usedThemes[0];
}
}
// LightweightThemeManager only exists in Firefox 3.6+
catch (ex) {}
}
break;
case "boolean":
this._prefs.setBoolPref(values[i]["name"], values[i]["value"]);
break;
default:
this._log.trace("Unexpected preference type: " + values[i]["type"]);
}
}
},
getAllIDs: function PrefStore_getAllIDs() {
/* We store all prefs in just one WBO, with just one GUID */
let allprefs = {};
allprefs[WEAVE_PREFS_GUID] = this._getAllPrefs();
return allprefs;
},
changeItemID: function PrefStore_changeItemID(oldID, newID) {
this._log.trace("PrefStore GUID is constant!");
},
itemExists: function FormStore_itemExists(id) {
return (id === WEAVE_PREFS_GUID);
},
createRecord: function FormStore_createRecord(guid, cryptoMetaURL) {
let record = new PrefRec();
record.id = guid;
if (guid == WEAVE_PREFS_GUID) {
record.encryption = cryptoMetaURL;
record.value = this._getAllPrefs();
} else {
record.deleted = true;
}
return record;
},
create: function PrefStore_create(record) {
this._log.trace("Ignoring create request");
},
remove: function PrefStore_remove(record) {
this._log.trace("Ignoring remove request")
},
update: function PrefStore_update(record) {
this._log.trace("Received pref updates, applying...");
this._setAllPrefs(record.value);
},
wipe: function PrefStore_wipe() {
this._log.trace("Ignoring wipe request");
}
};
function PrefTracker() {
this._init();
}
PrefTracker.prototype = {
__proto__: Tracker.prototype,
name: "prefs",
_logName: "PrefTracker",
file: "prefs",
get _prefs() {
let prefs = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch2);
this.__defineGetter__("_prefs", function() prefs);
return prefs;
},
get _syncPrefs() {
let service = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefService);
let syncPrefs = service.getBranch(WEAVE_SYNC_PREFS).getChildList("", {}).
map(function(elem) { return elem.substr(1); });
this.__defineGetter__("_syncPrefs", function() syncPrefs);
return syncPrefs;
},
_init: function PrefTracker__init() {
this.__proto__.__proto__._init.call(this);
this._prefs.addObserver("", this, false);
},
/* 25 points per pref change */
observe: function(aSubject, aTopic, aData) {
if (aTopic != "nsPref:changed")
return;
if (this._syncPrefs.indexOf(aData) != -1) {
this.score += 1;
this.addChangedID(WEAVE_PREFS_GUID);
this._log.trace("Preference " + aData + " changed");
}
}
};