1 /*
2  * Copyright (C) 2022 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.unfold
18 
19 import com.android.internal.util.FrameworkStatsLog
20 
21 /** Logs fold state changes. */
22 class FoldStateLogger(private val foldStateLoggingProvider: FoldStateLoggingProvider) :
23     FoldStateLoggingProvider.FoldStateLoggingListener {
24 
initnull25     fun init() {
26         foldStateLoggingProvider.addCallback(this)
27     }
28 
onFoldUpdatenull29     override fun onFoldUpdate(foldStateUpdate: FoldStateChange) {
30         FrameworkStatsLog.write(
31             FrameworkStatsLog.FOLD_STATE_DURATION_REPORTED,
32             foldStateUpdate.previous,
33             foldStateUpdate.current,
34             foldStateUpdate.dtMillis)
35     }
36 }
37