зеркало из https://github.com/mozilla/gecko-dev.git
37 строки
1.4 KiB
C++
37 строки
1.4 KiB
C++
/* 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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#ifndef nsInterfaceRequestorAgg_h__
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#define nsInterfaceRequestorAgg_h__
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#include "nsError.h"
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class nsIEventTarget;
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class nsIInterfaceRequestor;
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/**
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* This function returns an instance of nsIInterfaceRequestor that aggregates
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* two nsIInterfaceRequestor instances. Its GetInterface method queries
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* aFirst for the requested interface and will query aSecond only if aFirst
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* failed to supply the requested interface. Both aFirst and aSecond may
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* be null, and will be released on the main thread when the aggregator is
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* destroyed.
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*/
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extern nsresult
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NS_NewInterfaceRequestorAggregation(nsIInterfaceRequestor *aFirst,
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nsIInterfaceRequestor *aSecond,
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nsIInterfaceRequestor **aResult);
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/**
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* Like the previous method, but aFirst and aSecond will be released on the
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* provided target thread.
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*/
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extern nsresult
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NS_NewInterfaceRequestorAggregation(nsIInterfaceRequestor *aFirst,
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nsIInterfaceRequestor *aSecond,
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nsIEventTarget *aTarget,
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nsIInterfaceRequestor **aResult);
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#endif // !defined( nsInterfaceRequestorAgg_h__ )
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