1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/base/nsInterfaceRequestorAgg.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,36 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef nsInterfaceRequestorAgg_h__
1.9 +#define nsInterfaceRequestorAgg_h__
1.10 +
1.11 +#include "nsError.h"
1.12 +
1.13 +class nsIEventTarget;
1.14 +class nsIInterfaceRequestor;
1.15 +
1.16 +/**
1.17 + * This function returns an instance of nsIInterfaceRequestor that aggregates
1.18 + * two nsIInterfaceRequestor instances. Its GetInterface method queries
1.19 + * aFirst for the requested interface and will query aSecond only if aFirst
1.20 + * failed to supply the requested interface. Both aFirst and aSecond may
1.21 + * be null, and will be released on the main thread when the aggregator is
1.22 + * destroyed.
1.23 + */
1.24 +extern nsresult
1.25 +NS_NewInterfaceRequestorAggregation(nsIInterfaceRequestor *aFirst,
1.26 + nsIInterfaceRequestor *aSecond,
1.27 + nsIInterfaceRequestor **aResult);
1.28 +
1.29 +/**
1.30 + * Like the previous method, but aFirst and aSecond will be released on the
1.31 + * provided target thread.
1.32 + */
1.33 +extern nsresult
1.34 +NS_NewInterfaceRequestorAggregation(nsIInterfaceRequestor *aFirst,
1.35 + nsIInterfaceRequestor *aSecond,
1.36 + nsIEventTarget *aTarget,
1.37 + nsIInterfaceRequestor **aResult);
1.38 +
1.39 +#endif // !defined( nsInterfaceRequestorAgg_h__ )
