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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
Diffstat (limited to 'xpcom/base/nsInterfaceRequestorAgg.h')
-rw-r--r--xpcom/base/nsInterfaceRequestorAgg.h38
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diff --git a/xpcom/base/nsInterfaceRequestorAgg.h b/xpcom/base/nsInterfaceRequestorAgg.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=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/. */
+
+#ifndef nsInterfaceRequestorAgg_h__
+#define nsInterfaceRequestorAgg_h__
+
+#include "nsError.h"
+
+class nsIEventTarget;
+class nsIInterfaceRequestor;
+
+/**
+ * This function returns an instance of nsIInterfaceRequestor that aggregates
+ * two nsIInterfaceRequestor instances. Its GetInterface method queries
+ * aFirst for the requested interface and will query aSecond only if aFirst
+ * failed to supply the requested interface. Both aFirst and aSecond may
+ * be null, and will be released on the main thread when the aggregator is
+ * destroyed.
+ */
+extern nsresult
+NS_NewInterfaceRequestorAggregation(nsIInterfaceRequestor* aFirst,
+ nsIInterfaceRequestor* aSecond,
+ nsIInterfaceRequestor** aResult);
+
+/**
+ * Like the previous method, but aFirst and aSecond will be released on the
+ * provided target thread.
+ */
+extern nsresult
+NS_NewInterfaceRequestorAggregation(nsIInterfaceRequestor* aFirst,
+ nsIInterfaceRequestor* aSecond,
+ nsIEventTarget* aTarget,
+ nsIInterfaceRequestor** aResult);
+
+#endif // !defined( nsInterfaceRequestorAgg_h__ )