Reapply "Create CallStateRepository.isInCallFlow"

This reverts commit 93e4c65d3d.

Fixed the test by cherry-pick change
I7a3d27cb53c930a56ab0f0896b545807bf4f9dc0.

Bug: 336209156
Test: manual - on MobileNetworkSwitchController
Test: atest SubscriptionInfoListViewModelTest
Change-Id: Id606d6ee90acd8a98de706d8533fed0aac96bff4

src/com/android/settings/network/telephony/CallStateRepository.kt

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2024 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 com.android.settings.network.telephony
+
+import android.content.Context
+import android.telephony.TelephonyCallback
+import android.telephony.TelephonyManager
+import android.util.Log
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.conflate
+import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.flow.onEach
+
+@OptIn(ExperimentalCoroutinesApi::class)
+class CallStateRepository(private val context: Context) {
+    private val subscriptionManager = context.requireSubscriptionManager()
+
+    /** Flow for call state of given [subId]. */
+    fun callStateFlow(subId: Int): Flow<Int> = context.telephonyCallbackFlow(subId) {
+        object : TelephonyCallback(), TelephonyCallback.CallStateListener {
+            override fun onCallStateChanged(state: Int) {
+                trySend(state)
+            }
+        }
+    }
+
+    /**
+     * Flow for in call state.
+     *
+     * @return true if any active subscription's call state is not idle.
+     */
+    fun isInCallFlow(): Flow<Boolean> = context.subscriptionsChangedFlow()
+        .flatMapLatest {
+            val subIds = subscriptionManager.activeSubscriptionIdList
+            combine(subIds.map(::callStateFlow)) { states ->
+                states.any { it != TelephonyManager.CALL_STATE_IDLE }
+            }
+        }
+        .conflate()
+        .flowOn(Dispatchers.Default)
+        .onEach { Log.d(TAG, "isInCallFlow: $it") }
+
+    private companion object {
+        private const val TAG = "CallStateRepository"
+    }
+}

src/com/android/settings/network/telephony/DeleteSimProfilePreferenceController.kt

@@ -23,10 +23,8 @@ import android.telephony.TelephonyManager
 import androidx.lifecycle.LifecycleOwner
 import androidx.preference.Preference
 import androidx.preference.PreferenceScreen
-import com.android.settings.R
 import com.android.settings.core.BasePreferenceController
 import com.android.settings.network.SubscriptionUtil
-import com.android.settings.network.telephony.MobileNetworkUtils
 import com.android.settingslib.spa.framework.util.collectLatestWithLifecycle
 
 /** This controls a preference allowing the user to delete the profile for an eSIM.  */
@@ -57,9 +55,10 @@ class DeleteSimProfilePreferenceController(context: Context, preferenceKey: Stri
     }
 
     override fun onViewCreated(viewLifecycleOwner: LifecycleOwner) {
-        mContext.callStateFlow(subscriptionId).collectLatestWithLifecycle(viewLifecycleOwner) {
-            preference.isEnabled = (it == TelephonyManager.CALL_STATE_IDLE)
-        }
+        CallStateRepository(mContext).callStateFlow(subscriptionId)
+            .collectLatestWithLifecycle(viewLifecycleOwner) {
+                preference.isEnabled = (it == TelephonyManager.CALL_STATE_IDLE)
+            }
     }
 
     override fun handlePreferenceTreeClick(preference: Preference): Boolean {

src/com/android/settings/network/telephony/MobileNetworkSwitchController.kt

@@ -18,7 +18,6 @@ package com.android.settings.network.telephony
 
 import android.content.Context
 import android.telephony.SubscriptionManager
-import android.telephony.TelephonyManager
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
@@ -26,19 +25,17 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import com.android.settings.R
-import com.android.settings.network.SatelliteRepository
 import com.android.settings.network.SubscriptionUtil
 import com.android.settings.spa.preference.ComposePreferenceController
 import com.android.settingslib.spa.widget.preference.MainSwitchPreference
 import com.android.settingslib.spa.widget.preference.SwitchPreferenceModel
-import kotlinx.coroutines.flow.combine
-import kotlinx.coroutines.flow.map
 
 class MobileNetworkSwitchController @JvmOverloads constructor(
     context: Context,
     preferenceKey: String,
     private val subscriptionRepository: SubscriptionRepository = SubscriptionRepository(context),
-    private val satelliteRepository: SatelliteRepository = SatelliteRepository(context)
+    private val subscriptionActivationRepository: SubscriptionActivationRepository =
+        SubscriptionActivationRepository(context),
 ) : ComposePreferenceController(context, preferenceKey) {
 
     private var subId = SubscriptionManager.INVALID_SUBSCRIPTION_ID
@@ -57,12 +54,7 @@ class MobileNetworkSwitchController @JvmOverloads constructor(
             subscriptionRepository.isSubscriptionEnabledFlow(subId)
         }.collectAsStateWithLifecycle(initialValue = null)
         val changeable by remember {
-            combine(
-                context.callStateFlow(subId).map { it == TelephonyManager.CALL_STATE_IDLE },
-                satelliteRepository.getIsSessionStartedFlow()
-            ) { isCallStateIdle, isSatelliteModemEnabled ->
-                isCallStateIdle && !isSatelliteModemEnabled
-            }
+            subscriptionActivationRepository.isActivationChangeableFlow()
         }.collectAsStateWithLifecycle(initialValue = true)
         MainSwitchPreference(model = object : SwitchPreferenceModel {
             override val title = stringResource(R.string.mobile_network_use_sim_on)

src/com/android/settings/network/telephony/SubscriptionActivationRepository.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2023 The Android Open Source Project
+ * Copyright (C) 2024 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.
@@ -17,16 +17,19 @@
 package com.android.settings.network.telephony
 
 import android.content.Context
-import android.telephony.TelephonyCallback
+import com.android.settings.network.SatelliteRepository
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
 
-/**
- * Flow for call state.
- */
-fun Context.callStateFlow(subId: Int): Flow<Int> = telephonyCallbackFlow(subId) {
-    object : TelephonyCallback(), TelephonyCallback.CallStateListener {
-        override fun onCallStateChanged(state: Int) {
-            trySend(state)
-        }
+class SubscriptionActivationRepository(
+    private val context: Context,
+    private val callStateRepository: CallStateRepository = CallStateRepository(context),
+    private val satelliteRepository: SatelliteRepository = SatelliteRepository(context),
+) {
+    fun isActivationChangeableFlow(): Flow<Boolean> = combine(
+        callStateRepository.isInCallFlow(),
+        satelliteRepository.getIsSessionStartedFlow()
+    ) { isInCall, isSatelliteModemEnabled ->
+        !isInCall && !isSatelliteModemEnabled
     }
 }

src/com/android/settings/network/telephony/WifiCallingPreferenceController.kt

@@ -30,7 +30,6 @@ import com.android.settings.R
 import com.android.settings.network.telephony.wificalling.WifiCallingRepository
 import com.android.settingslib.spa.framework.util.collectLatestWithLifecycle
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.withContext
 
 /**
@@ -41,7 +40,7 @@ import kotlinx.coroutines.withContext
 open class WifiCallingPreferenceController @JvmOverloads constructor(
     context: Context,
     key: String,
-    private val callStateFlowFactory: (subId: Int) -> Flow<Int> = context::callStateFlow,
+    private val callStateRepository: CallStateRepository = CallStateRepository(context),
     private val wifiCallingRepositoryFactory: (subId: Int) -> WifiCallingRepository = { subId ->
         WifiCallingRepository(context, subId)
     },
@@ -91,7 +90,7 @@ open class WifiCallingPreferenceController @JvmOverloads constructor(
                 if (isReady) update()
             }
 
-        callStateFlowFactory(mSubId).collectLatestWithLifecycle(viewLifecycleOwner) {
+        callStateRepository.callStateFlow(mSubId).collectLatestWithLifecycle(viewLifecycleOwner) {
             preference.isEnabled = (it == TelephonyManager.CALL_STATE_IDLE)
         }
     }