BatteryChargingController.java

/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package androidx.work.impl.constraints.controllers;

import android.content.Context;

import androidx.annotation.NonNull;
import androidx.work.impl.constraints.trackers.Trackers;
import androidx.work.impl.model.WorkSpec;
import androidx.work.impl.utils.taskexecutor.TaskExecutor;

/**
 * A {@link ConstraintController} for battery charging events.
 */

public class BatteryChargingController extends ConstraintController<Boolean> {
    public BatteryChargingController(Context context, TaskExecutor taskExecutor) {
        super(Trackers.getInstance(context, taskExecutor).getBatteryChargingTracker());
    }

    @Override
    boolean hasConstraint(@NonNull WorkSpec workSpec) {
        return workSpec.constraints.requiresCharging();
    }

    @Override
    boolean isConstrained(@NonNull Boolean isBatteryCharging) {
        return !isBatteryCharging;
    }
}