gecko-dev/netwerk/protocol/res/nsISubstitutionObserver.idl

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/* -*- Mode: C++; 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"
interface nsIURI;
/**
* An observer of substitutions being set or unset on a
* SubstitutingProtocolHandler. Useful for receiving asynchronous notification
* in a child process after a substitution has been set in the parent process
* and is propagated to the child.
*/
[scriptable, uuid(492c9192-3803-4e2b-8373-d25fe55f5588)]
interface nsISubstitutionObserver : nsISupports
{
/**
* To be called when a substition has been set or unset on a protocol
* handler. Unset operations are identified by a null URI argument.
*
* @param aRoot the root key of the mapping
* @param aBaseURI the base URI to be substituted for the root key by the
* protocol handler. For notifications triggered by unset
* operations (i.e., when is a substitution is removed from the
* protocol handler) this argument is null.
*/
void onSetSubstitution(in ACString aRoot, in nsIURI aBaseURI);
};