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.settings.network
18
19 import android.content.Context
20 import android.provider.Settings
21 import android.telephony.SubscriptionManager
22 import com.android.settingslib.spaprivileged.settingsprovider.settingsGlobalChangeFlow
23 import kotlinx.coroutines.flow.Flow
24 import kotlinx.coroutines.flow.merge
25
26 /**
27 * Flow for mobile data enabled changed event.
28 *
29 * Note: This flow can only notify enabled status changes, cannot provide the latest status.
30 */
Contextnull31 fun Context.mobileDataEnabledFlow(subId: Int, sendInitialValue: Boolean = true): Flow<Unit> {
32 val flow = settingsGlobalChangeFlow(Settings.Global.MOBILE_DATA, sendInitialValue)
33 return when (subId) {
34 SubscriptionManager.INVALID_SUBSCRIPTION_ID -> flow
35 else -> {
36 val subIdFlow = settingsGlobalChangeFlow(
37 name = Settings.Global.MOBILE_DATA + subId,
38 sendInitialValue = false,
39 )
40 merge(flow, subIdFlow)
41 }
42 }
43 }
44