gecko-dev/dom/quota/nsIQuotaManager.idl

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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 "nsISupports.idl"
interface nsIQuotaRequest;
interface nsIPrincipal;
interface nsIUsageCallback;
[scriptable, builtinclass, uuid(101cf53c-e7f3-4723-9f43-a23a85c8eda0)]
interface nsIQuotaManager : nsISupports
{
/**
* Schedules an asynchronous callback that will return the total amount of
* disk space being used by storages for the given origin.
*
* @param aPrincipal
* A principal for the origin whose usage is being queried.
* @param aCallback
* The callback that will be called when the usage is available.
*/
nsIQuotaRequest
getUsageForPrincipal(in nsIPrincipal aPrincipal,
in nsIUsageCallback aCallback);
/**
* Removes all storages. The files may not be deleted immediately depending
* on prohibitive concurrent operations.
* Be careful, this removes *all* the data that has ever been stored!
*
* If the dom.quotaManager.testing preference is not true the call will be
* a no-op.
*/
void
clear();
/**
* Removes all storages stored for the given URI. The files may not be
* deleted immediately depending on prohibitive concurrent operations.
*
* @param aPrincipal
* A principal for the origin whose storages are to be cleared.
*/
void
clearStoragesForPrincipal(in nsIPrincipal aPrincipal,
[optional] in ACString aPersistenceType);
/**
* Resets quota and storage management. This can be used to force
* reinitialization of the temp storage, for example when the pref for
* overriding the temp storage limit has changed.
* Be carefull, this invalidates all live storages!
*
* If the dom.quotaManager.testing preference is not true the call will be
* a no-op.
*/
void
reset();
};