1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.systemui.statusbar.policy
18 
19 /**
20  * Supports adding a DeviceControls QS tile
21  */
22 interface DeviceControlsController {
23     interface Callback {
24         /**
25          * If controls become available, initiate this callback with the desired position
26          */
onControlsUpdatenull27         fun onControlsUpdate(position: Int?)
28 
29         fun removeControlsAutoTracker()
30     }
31 
32     /** Add callback, supporting only a single callback at once */
33     fun setCallback(callback: Callback)
34 
35     /** Remove any existing callback, if any */
36     fun removeCallback()
37 }
38