1 /*
2  * Copyright (C) 2023 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.keyguard.logging
18 
19 import com.android.systemui.log.LogBuffer
20 import com.android.systemui.log.core.LogLevel
21 import com.android.systemui.log.dagger.ScrimLog
22 import com.google.errorprone.annotations.CompileTimeConstant
23 import javax.inject.Inject
24 
25 /**
26  * A logger to log scrim state.
27  *
28  * To enable logcat echoing for this buffer use this command:
29  * ```
30  * $ adb shell cmd statusbar echo -b ScrimLog:VERBOSE
31  * ```
32  */
33 class ScrimLogger
34 @Inject
35 constructor(
36     @ScrimLog val buffer: LogBuffer,
37 ) {
38     companion object {
39         val TAG = ScrimLogger::class.simpleName!!
40     }
41 
dnull42     fun d(
43         tag: String,
44         @CompileTimeConstant msg: String,
45         arg: Any,
46     ) = log("$tag::$TAG", LogLevel.DEBUG, msg, arg)
47 
48     fun log(
49         tag: String,
50         level: LogLevel,
51         @CompileTimeConstant msg: String,
52         arg: Any,
53     ) =
54         buffer.log(
55             tag,
56             level,
57             {
58                 str1 = msg
59                 str2 = arg.toString()
60             },
<lambda>null61             { "$str1: $str2" }
62         )
63 }
64