[SB Refactor] Add logging to the mobile adapter and interactor.

Bug: 266960478
Bug: 238425913
Test: manual: Verified the new logs appear in logcat
Test: manual: Dumped MobileUiAdapter and verified it has the new
information

Change-Id: I34f367d853211393720bd07bf5681dfb61ded0eb

packages/SystemUI/src/com/android/systemui/statusbar/pipeline/mobile/domain/interactor/MobileIconsInteractor.kt

@@ -28,6 +28,7 @@ import com.android.systemui.statusbar.pipeline.mobile.data.model.SubscriptionMod
 import com.android.systemui.statusbar.pipeline.mobile.data.repository.MobileConnectionRepository
 import com.android.systemui.statusbar.pipeline.mobile.data.repository.MobileConnectionsRepository
 import com.android.systemui.statusbar.pipeline.mobile.data.repository.UserSetupRepository
+import com.android.systemui.statusbar.pipeline.shared.ConnectivityPipelineLogger
 import com.android.systemui.util.CarrierConfigTracker
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineScope
@@ -37,10 +38,12 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.mapLatest
+import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.flow.transformLatest
 
@@ -100,6 +103,7 @@ class MobileIconsInteractorImpl
 constructor(
     private val mobileConnectionsRepo: MobileConnectionsRepository,
     private val carrierConfigTracker: CarrierConfigTracker,
+    private val logger: ConnectivityPipelineLogger,
     userSetupRepo: UserSetupRepository,
     @Application private val scope: CoroutineScope,
 ) : MobileIconsInteractor {
@@ -168,6 +172,8 @@ constructor(
                 }
             }
         }
+            .distinctUntilChanged()
+            .onEach { logger.logFilteredSubscriptionsChanged(it) }
 
     override val defaultDataSubId = mobileConnectionsRepo.defaultDataSubId
 

packages/SystemUI/src/com/android/systemui/statusbar/pipeline/mobile/ui/MobileUiAdapter.kt

@@ -23,6 +23,8 @@ import com.android.systemui.statusbar.phone.StatusBarIconController
 import com.android.systemui.statusbar.pipeline.StatusBarPipelineFlags
 import com.android.systemui.statusbar.pipeline.mobile.domain.interactor.MobileIconsInteractor
 import com.android.systemui.statusbar.pipeline.mobile.ui.viewmodel.MobileIconsViewModel
+import com.android.systemui.statusbar.pipeline.shared.ConnectivityPipelineLogger
+import java.io.PrintWriter
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.ExperimentalCoroutinesApi
@@ -30,7 +32,9 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.mapLatest
+import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 
@@ -51,13 +55,17 @@ constructor(
     interactor: MobileIconsInteractor,
     private val iconController: StatusBarIconController,
     private val iconsViewModelFactory: MobileIconsViewModel.Factory,
+    private val logger: ConnectivityPipelineLogger,
     @Application private val scope: CoroutineScope,
     private val statusBarPipelineFlags: StatusBarPipelineFlags,
 ) : CoreStartable {
     private val mobileSubIds: Flow<List<Int>> =
-        interactor.filteredSubscriptions.mapLatest { subscriptions ->
-            subscriptions.map { subscriptionModel -> subscriptionModel.subscriptionId }
-        }
+        interactor.filteredSubscriptions
+            .mapLatest { subscriptions ->
+                subscriptions.map { subscriptionModel -> subscriptionModel.subscriptionId }
+            }
+            .distinctUntilChanged()
+            .onEach { logger.logUiAdapterSubIdsUpdated(it) }
 
     /**
      * We expose the list of tracked subscriptions as a flow of a list of ints, where each int is
@@ -72,6 +80,9 @@ constructor(
     /** In order to keep the logs tame, we will reuse the same top-level mobile icons view model */
     val mobileIconsViewModel = iconsViewModelFactory.create(mobileSubIdsState)
 
+    private var isCollecting: Boolean = false
+    private var lastValue: List<Int>? = null
+
     override fun start() {
         // Only notify the icon controller if we want to *render* the new icons.
         // Note that this flow may still run if
@@ -79,8 +90,18 @@ constructor(
         // get the logging data without rendering.
         if (statusBarPipelineFlags.useNewMobileIcons()) {
             scope.launch {
-                mobileSubIds.collectLatest { iconController.setNewMobileIconSubIds(it) }
+                isCollecting = true
+                mobileSubIds.collectLatest {
+                    logger.logUiAdapterSubIdsSentToIconController(it)
+                    lastValue = it
+                    iconController.setNewMobileIconSubIds(it)
+                }
             }
         }
     }
+
+    override fun dump(pw: PrintWriter, args: Array<out String>) {
+        pw.println("isCollecting=$isCollecting")
+        pw.println("Last values sent to icon controller: $lastValue")
+    }
 }

packages/SystemUI/src/com/android/systemui/statusbar/pipeline/shared/ConnectivityPipelineLogger.kt

@@ -25,6 +25,7 @@ import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.log.dagger.StatusBarConnectivityLog
 import com.android.systemui.plugins.log.LogBuffer
 import com.android.systemui.plugins.log.LogLevel
+import com.android.systemui.statusbar.pipeline.mobile.data.model.SubscriptionModel
 import com.android.systemui.statusbar.pipeline.shared.ConnectivityPipelineLogger.Companion.toString
 import javax.inject.Inject
 import kotlinx.coroutines.flow.Flow
@@ -196,6 +197,35 @@ constructor(
         )
     }
 
+    // TODO(b/238425913): We should split this class into mobile-specific and wifi-specific loggers.
+
+    fun logFilteredSubscriptionsChanged(subs: List<SubscriptionModel>) {
+        buffer.log(
+            SB_LOGGING_TAG,
+            LogLevel.INFO,
+            { str1 = subs.toString() },
+            { "Filtered subscriptions updated: $str1" },
+        )
+    }
+
+    fun logUiAdapterSubIdsUpdated(subs: List<Int>) {
+        buffer.log(
+            SB_LOGGING_TAG,
+            LogLevel.INFO,
+            { str1 = subs.toString() },
+            { "Sub IDs in MobileUiAdapter updated internally: $str1" },
+        )
+    }
+
+    fun logUiAdapterSubIdsSentToIconController(subs: List<Int>) {
+        buffer.log(
+            SB_LOGGING_TAG,
+            LogLevel.INFO,
+            { str1 = subs.toString() },
+            { "Sub IDs in MobileUiAdapter being sent to icon controller: $str1" },
+        )
+    }
+
     companion object {
         const val SB_LOGGING_TAG = "SbConnectivity"
 

packages/SystemUI/tests/src/com/android/systemui/statusbar/pipeline/mobile/domain/interactor/MobileIconsInteractorTest.kt

@@ -28,6 +28,7 @@ import com.android.systemui.statusbar.pipeline.mobile.data.repository.FakeMobile
 import com.android.systemui.statusbar.pipeline.mobile.data.repository.FakeUserSetupRepository
 import com.android.systemui.statusbar.pipeline.mobile.util.FakeMobileMappingsProxy
 import com.android.systemui.util.CarrierConfigTracker
+import com.android.systemui.util.mockito.mock
 import com.android.systemui.util.mockito.whenever
 import com.android.systemui.util.time.FakeSystemClock
 import com.google.common.truth.Truth.assertThat
@@ -77,6 +78,7 @@ class MobileIconsInteractorTest : SysuiTestCase() {
             MobileIconsInteractorImpl(
                 connectionsRepository,
                 carrierConfigTracker,
+                logger = mock(),
                 userSetupRepository,
                 testScope.backgroundScope,
             )