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/*
* Copyright (C) 2020 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.systemui.settings
import android.content.Context
import android.content.pm.UserInfo
import android.os.UserHandle
import java.util.concurrent.Executor
/**
* User tracker for SystemUI.
*
* This tracker provides async access to current user information, as well as callbacks for
* user/profile change.
*/
interface UserTracker : UserContentResolverProvider, UserContextProvider {
/**
* Current user's id.
*/
val userId: Int
/**
* [UserHandle] for current user
*/
val userHandle: UserHandle
/**
* [UserInfo] for current user
*/
val userInfo: UserInfo
/**
* List of profiles associated with the current user.
*/
val userProfiles: List<UserInfo>
/**
* Add a [Callback] to be notified of chances, on a particular [Executor]
*/
fun addCallback(callback: Callback, executor: Executor)
/**
* Remove a [Callback] previously added.
*/
fun removeCallback(callback: Callback)
/**
* Ćallback for notifying of changes.
*/
interface Callback {
/**
* Notifies that the current user has changed.
*/
@JvmDefault
fun onUserChanged(newUser: Int, userContext: Context) {}
/**
* Notifies that the current user's profiles have changed.
*/
@JvmDefault
fun onProfilesChanged(profiles: List<UserInfo>) {}
}
}
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