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/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
/* vim: set sw=4 ts=8 et tw=80 ft=cpp : */
/* 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/. */
include protocol PContent;
namespace mozilla {
namespace dom {
/**
* Protocol used to relay chrome observer notifications related to clearing data
* to SessionStorageManager instances in content processes. A single instance is
* created by each content process when LocalStorage NextGen is enabled. When
* LSNG is disabled, the notifications are instead propagated via
* PBackgroundStorageChild. This does mean there are potentially slight ordering
* differences in when the notification will be received and processed. It's
* okay for this protocol to be managed by PContent rather than PBackground
* because these notifications are both rare and to-child-only. (Legacy
* LocalStorage was moved to PBackground from PContent because of parent-process
* main-thread contention for the processing of "parent:" messages in a very
* performance-sensitive context!)
*/
async protocol PSessionStorageObserver
{
manager PContent;
parent:
async DeleteMe();
child:
async __delete__();
async Observe(nsCString topic,
nsString originAttributesPattern,
nsCString originScope);
};
}
}