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62 lines
2.3 KiB
62 lines
2.3 KiB
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.hardware.contexthub@1.2;
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import @1.0::ContextHub;
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import @1.0::Result;
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import @1.1::IContexthub;
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import @1.1::SettingValue;
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import IContexthubCallback;
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interface IContexthub extends @1.1::IContexthub {
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/**
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* Enumerate all available context hubs on the system.
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*
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* @return hubs list of hubs on this system.
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* @return supportedPermissions list of Android permissions all hubs
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* support for nanoapps to enforce host
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* endpoints are granted in order to
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* communicate with them.
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*/
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getHubs_1_2() generates (vec<ContextHub> hubs, vec<string> supportedPermissions);
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/**
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* Register a callback for the HAL implementation to send asynchronous
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* messages to the service from a context hub. There can be a maximum of
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* one callback registered with the HAL. A call to this function when a
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* callback has already been registered must override the previous
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* registration.
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*
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* @param hubId identifier for the hub
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* @param callback an implementation of the IContextHubCallbacks
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*
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* @return result OK on success
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* BAD_VALUE if parameters are not valid
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*
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*/
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registerCallback_1_2(uint32_t hubId, IContexthubCallback cb) generates (Result result);
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/**
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* Notification sent by the framework to indicate that the user
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* has changed a setting.
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*
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* @param setting User setting that has been modified.
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* @param newValue The update value of the user setting.
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*/
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onSettingChanged_1_2(Setting setting, @1.1::SettingValue newValue);
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};
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