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.controllers; 17 18 import android.content.Context; 19 import android.support.annotation.NonNull; 20 21 import androidx.work.impl.constraints.trackers.Trackers; 22 import androidx.work.impl.model.WorkSpec; 23 24 /** 25 * A {@link ConstraintController} for storage not low events. 26 */ 27 28 public class StorageNotLowController extends ConstraintController<Boolean> { 29 public StorageNotLowController(Context context, OnConstraintUpdatedCallback callback) { 30 super(Trackers.getInstance(context).getStorageNotLowTracker(), callback); 31 } 32 33 @Override 34 boolean hasConstraint(@NonNull WorkSpec workSpec) { 35 return workSpec.constraints.requiresStorageNotLow(); 36 } 37 38 @Override 39 boolean isConstrained(@NonNull Boolean isStorageNotLow) { 40 return !isStorageNotLow; 41 } 42 } 43