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.systemui.qs.tiles.impl.saver.domain.interactor 18 19 import android.os.UserHandle 20 import com.android.systemui.common.coroutine.ConflatedCallbackFlow 21 import com.android.systemui.qs.tiles.base.interactor.DataUpdateTrigger 22 import com.android.systemui.qs.tiles.base.interactor.QSTileDataInteractor 23 import com.android.systemui.qs.tiles.impl.saver.domain.model.DataSaverTileModel 24 import com.android.systemui.statusbar.policy.DataSaverController 25 import javax.inject.Inject 26 import kotlinx.coroutines.channels.awaitClose 27 import kotlinx.coroutines.flow.Flow 28 import kotlinx.coroutines.flow.flowOf 29 30 /** Observes data saver state changes providing the [DataSaverTileModel]. */ 31 class DataSaverTileDataInteractor 32 @Inject 33 constructor( 34 private val dataSaverController: DataSaverController, 35 ) : QSTileDataInteractor<DataSaverTileModel> { 36 tileDatanull37 override fun tileData( 38 user: UserHandle, 39 triggers: Flow<DataUpdateTrigger> 40 ): Flow<DataSaverTileModel> = 41 ConflatedCallbackFlow.conflatedCallbackFlow { 42 val initialValue = dataSaverController.isDataSaverEnabled 43 trySend(DataSaverTileModel(initialValue)) 44 45 val callback = DataSaverController.Listener { trySend(DataSaverTileModel(it)) } 46 47 dataSaverController.addCallback(callback) 48 awaitClose { dataSaverController.removeCallback(callback) } 49 } 50 availabilitynull51 override fun availability(user: UserHandle): Flow<Boolean> = flowOf(true) 52 } 53