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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.internal.app;
import android.media.permission.Identity;
import com.android.internal.app.ISoundTriggerSession;
/**
* Service interface for a generic sound recognition model.
*
* This interface serves as an entry point to establish a session, associated with a client
* identity, which exposes the actual functionality.
*
* @hide
*/
interface ISoundTriggerService {
/**
* Creates a new session.
*
* This version is intended to be used when the caller itself is the originator of the
* operations, for authorization purposes.
*
* The pid/uid fields are ignored and will be replaced by those provided by binder.
*
* It is good practice to clear the binder calling identity prior to calling this, in case the
* caller is ever in the same process as the callee.
*
* The binder object being passed is used by the server to keep track of client death, in order
* to clean-up whenever that happens.
*/
ISoundTriggerSession attachAsOriginator(in Identity originatorIdentity,
IBinder client);
/**
* Creates a new session.
*
* This version is intended to be used when the caller is acting on behalf of a separate entity
* (the originator) and the sessions operations are to be accounted against that originator for
* authorization purposes.
*
* The caller must hold the SOUNDTRIGGER_DELEGATE_IDENTITY permission in order to be trusted to
* provide a reliable originator identity. It should follow the best practices for reliably and
* securely verifying the identity of the originator.
*
* It is good practice to clear the binder calling identity prior to calling this, in case the
* caller is ever in the same process as the callee.
*
* The binder object being passed is used by the server to keep track of client death, in order
* to clean-up whenever that happens.
*/
ISoundTriggerSession attachAsMiddleman(in Identity middlemanIdentity,
in Identity originatorIdentity,
IBinder client);
}
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