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/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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"
/**
* A class factory allows the creation of nsISupports derived
* components without specifying a concrete base class.
*/
[scriptable, object, uuid(00000001-0000-0000-c000-000000000046)]
interface nsIFactory : nsISupports {
/**
* Creates an instance of a component.
*
* @param aOuter Pointer to a component that wishes to be aggregated
* in the resulting instance. This will be nullptr if no
* aggregation is requested.
* @param iid The IID of the interface being requested in
* the component which is being currently created.
* @param result [out] Pointer to the newly created instance, if successful.
* @throws NS_NOINTERFACE - Interface not accessible.
* @throws NS_ERROR_NO_AGGREGATION - if an 'outer' object is supplied, but the
* component is not aggregatable.
* NS_ERROR* - Method failure.
*/
void createInstance(in nsISupports aOuter, in nsIIDRef iid,
[retval, iid_is(iid)] out nsQIResult result);
/**
* LockFactory provides the client a way to keep the component
* in memory until it is finished with it. The client can call
* LockFactory(PR_TRUE) to lock the factory and LockFactory(PR_FALSE)
* to release the factory.
*
* @param lock - Must be PR_TRUE or PR_FALSE
* @throws NS_ERROR* - Method failure.
*/
void lockFactory(in boolean lock);
};
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