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[Basilisk] port PM's ghostbuster

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roytam1 2024-09-22 21:17:32 +08:00
commit d1fde5c4ea
4 changed files with 49 additions and 2 deletions
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32
application/basilisk/components/nsBrowserGlue.js
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@ -81,6 +81,10 @@ const BOOKMARKS_BACKUP_MIN_INTERVAL_DAYS = 1;
// days we will try to create a new one more aggressively.
const BOOKMARKS_BACKUP_MAX_INTERVAL_DAYS = 3;
// Use users' idle time to unlink ghost windows and clean up memory.
// Trigger this by default every 5 minutes.
const GHOSTBUSTER_INTERVAL = 5 * 60;
// Factory object
const BrowserGlueServiceFactory = {
_instance: null,
@ -99,6 +103,10 @@ function BrowserGlue() {
"@mozilla.org/widget/idleservice;1",
"nsIIdleService");
XPCOMUtils.defineLazyServiceGetter(this, "_ghostBusterService",
"@mozilla.org/widget/idleservice;1",
"nsIIdleService");
XPCOMUtils.defineLazyGetter(this, "_distributionCustomizer", function() {
Cu.import("resource:///modules/distribution.js");
return new DistributionCustomizer();
@ -127,6 +135,7 @@ BrowserGlue.prototype = {
_isPlacesShutdownObserver: false,
_isPlacesDatabaseLocked: false,
_migrationImportsDefaultBookmarks: false,
_isGhostBusterObserver: false,
_setPrefToSaveSession: function(aForce) {
if (!this._saveSession && !aForce)
@ -241,6 +250,15 @@ BrowserGlue.prototype = {
break;
case "idle":
this._backupBookmarks();
if (this._ghostBusterService.idleTime > GHOSTBUSTER_INTERVAL * 1000) {
if (Services.prefs.getBoolPref("browser.ghostbuster.enabled", true)) {
Cu.unlinkGhostWindows();
Cu.forceGC();
#ifdef DEBUG
dump("Unlinking ghost windows + GC has run on idle.\n");
#endif
}
}
break;
case "distribution-customization-complete":
Services.obs.removeObserver(this, "distribution-customization-complete");
@ -843,6 +861,13 @@ BrowserGlue.prototype = {
this._trackSlowStartup();
// Initialize ghost window idle observer.
if (!this._isGhostBusterObserver) {
this._ghostBusterService.addIdleObserver(this, GHOSTBUSTER_INTERVAL);
// Prevent re-entry.
this._isGhostBusterObserver = true;
}
// Offer to reset a user's profile if it hasn't been used for 60 days.
const OFFER_PROFILE_RESET_INTERVAL_MS = 60 * 24 * 60 * 60 * 1000;
let lastUse = Services.appinfo.replacedLockTime;
@ -914,6 +939,13 @@ BrowserGlue.prototype = {
if (AppConstants.NIGHTLY_BUILD) {
AddonWatcher.uninit();
}
// Shut down ghost window idle observer.
if (this._isGhostBusterObserver) {
this._ghostBusterService.removeIdleObserver(this, GHOSTBUSTER_INTERVAL);
this._isGhostBusterObserver = false;
}
// Do one final unlink to combat shutdown issues.
Cu.unlinkGhostWindows();
},
// All initial windows have opened.