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Bug 584402 - Audit references across XPCOM borders [r=mconnor]

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Nuke refs to XPCOM services on shutdown.
This commit is contained in:
Philipp von Weitershausen 2010-08-04 21:07:27 +02:00
parent 31d5c911e8
commit d2bdde4533
1 changed files with 44 additions and 31 deletions
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75
services/sync/modules/engines/prefs.js
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@ -76,25 +76,30 @@ PrefsEngine.prototype = {
function PrefStore(name) {
Store.call(this, name);
Svc.Obs.add("profile-before-change", function() {
this.__prefs = null;
this.__syncPrefs = null;
}, this);
}
PrefStore.prototype = {
__proto__: Store.prototype,
__prefs: null,
get _prefs() {
let prefs = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch);
this.__defineGetter__("_prefs", function() prefs);
return prefs;
if (!this.__prefs)
this.__prefs = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch2);
return this.__prefs;
},
__syncPrefs: null,
get _syncPrefs() {
let service = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefService);
let syncPrefs = service.getBranch(WEAVE_SYNC_PREFS).getChildList("", {});
this.__defineGetter__("_syncPrefs", function() syncPrefs);
return syncPrefs;
if (!this.__syncPrefs)
this.__syncPrefs = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefService).
getBranch(WEAVE_SYNC_PREFS).
getChildList("", {});
return this.__syncPrefs;
},
_getAllPrefs: function PrefStore__getAllPrefs() {
@ -211,7 +216,7 @@ PrefStore.prototype = {
},
remove: function PrefStore_remove(record) {
this._log.trace("Ignoring remove request")
this._log.trace("Ignoring remove request");
},
update: function PrefStore_update(record) {
@ -227,36 +232,44 @@ PrefStore.prototype = {
function PrefTracker(name) {
Tracker.call(this, name);
this._prefs.addObserver("", this, false);
Svc.Obs.add("profile-before-change", this);
}
PrefTracker.prototype = {
__proto__: Tracker.prototype,
__prefs: null,
get _prefs() {
let prefs = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch2);
this.__defineGetter__("_prefs", function() prefs);
return prefs;
if (!this.__prefs)
this.__prefs = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefBranch2);
return this.__prefs;
},
__syncPrefs: null,
get _syncPrefs() {
let service = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefService);
let syncPrefs = service.getBranch(WEAVE_SYNC_PREFS).getChildList("", {});
this.__defineGetter__("_syncPrefs", function() syncPrefs);
return syncPrefs;
if (!this.__syncPrefs)
this.__syncPrefs = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefService).
getBranch(WEAVE_SYNC_PREFS).
getChildList("", {});
return this.__syncPrefs;
},
/* 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");
switch (aTopic) {
case "profile-before-change":
this.__prefs = null;
this.__syncPrefs = null;
this._prefs.removeObserver("", this);
break;
case "nsPref:changed":
// 25 points per pref change
if (this._syncPrefs.indexOf(aData) != -1) {
this.score += 1;
this.addChangedID(WEAVE_PREFS_GUID);
this._log.trace("Preference " + aData + " changed");
}
break;
}
}
};