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46 lines
1.9 KiB
Plaintext
46 lines
1.9 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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/**
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* A class factory allows the creation of nsISupports derived
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* components without specifying a concrete base class.
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*/
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[scriptable, object, uuid(00000001-0000-0000-c000-000000000046)]
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interface nsIFactory : nsISupports {
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/**
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* Creates an instance of a component.
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*
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* @param aOuter Pointer to a component that wishes to be aggregated
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* in the resulting instance. This will be nullptr if no
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* aggregation is requested.
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* @param iid The IID of the interface being requested in
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* the component which is being currently created.
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* @param result [out] Pointer to the newly created instance, if successful.
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* @return NS_OK - Component successfully created and the interface
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* being requested was successfully returned in result.
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* NS_NOINTERFACE - Interface not accessible.
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* NS_ERROR_NO_AGGREGATION - if an 'outer' object is supplied, but the
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* component is not aggregatable.
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* NS_ERROR* - Method failure.
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*/
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void createInstance(in nsISupports aOuter, in nsIIDRef iid,
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[retval, iid_is(iid)] out nsQIResult result);
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/**
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* LockFactory provides the client a way to keep the component
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* in memory until it is finished with it. The client can call
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* LockFactory(PR_TRUE) to lock the factory and LockFactory(PR_FALSE)
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* to release the factory.
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*
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* @param lock - Must be PR_TRUE or PR_FALSE
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* @return NS_OK - If the lock operation was successful.
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* NS_ERROR* - Method failure.
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*/
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void lockFactory(in boolean lock);
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};
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