1 /*
2  * Copyright (C) 2017 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 package androidx.work.impl.constraints.trackers
17 
18 import android.content.Context
19 import androidx.annotation.RestrictTo
20 import androidx.work.impl.constraints.NetworkState
21 import androidx.work.impl.utils.taskexecutor.TaskExecutor
22 
23 /** A singleton class to hold an instance of each [ConstraintTracker]. */
24 @RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
25 class Trackers
26 @JvmOverloads
27 constructor(
28     val context: Context,
29     taskExecutor: TaskExecutor,
30     /** The tracker used to track the battery charging status. */
31     val batteryChargingTracker: ConstraintTracker<Boolean> =
32         BatteryChargingTracker(context.applicationContext, taskExecutor),
33 
34     /** The tracker used to track if the battery is okay or low. */
35     val batteryNotLowTracker: BatteryNotLowTracker =
36         BatteryNotLowTracker(context.applicationContext, taskExecutor),
37 
38     /** The tracker used to track network state changes. */
39     val networkStateTracker: ConstraintTracker<NetworkState> =
40         NetworkStateTracker(context.applicationContext, taskExecutor),
41 
42     /** The tracker used to track if device storage is okay or low. */
43     val storageNotLowTracker: ConstraintTracker<Boolean> =
44         StorageNotLowTracker(context.applicationContext, taskExecutor),
45 )
46