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.settings.brightness
18 
19 class BrightnessMirrorHandler(brightnessController: MirroredBrightnessController) {
20 
21     var mirrorController: MirrorController? = null
22         private set
23 
24     var brightnessController: MirroredBrightnessController = brightnessController
25         set(value) {
26             field = value
27             updateBrightnessMirror()
28         }
29 
30     private val brightnessMirrorListener =
<lambda>null31             MirrorController.BrightnessMirrorListener { updateBrightnessMirror() }
32 
onQsPanelAttachednull33     fun onQsPanelAttached() {
34         mirrorController?.addCallback(brightnessMirrorListener)
35     }
36 
onQsPanelDettachednull37     fun onQsPanelDettached() {
38         mirrorController?.removeCallback(brightnessMirrorListener)
39     }
40 
setControllernull41     fun setController(controller: MirrorController?) {
42         mirrorController?.removeCallback(brightnessMirrorListener)
43         mirrorController = controller
44         mirrorController?.addCallback(brightnessMirrorListener)
45         updateBrightnessMirror()
46     }
47 
updateBrightnessMirrornull48     private fun updateBrightnessMirror() {
49         brightnessController.setMirror(mirrorController)
50     }
51 }