Add prompt to help troubleshoot slow notifications.

app/src/main/java/org/thoughtcrime/securesms/components/PromptBatterySaverDialogFragment.kt

@@ -0,0 +1,65 @@
+/*
+ * Copyright 2023 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.components
+
+import android.content.Context
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.annotation.RequiresApi
+import androidx.core.os.bundleOf
+import androidx.fragment.app.FragmentManager
+import androidx.lifecycle.ViewModelProvider
+import org.signal.core.util.concurrent.LifecycleDisposable
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.databinding.PromptBatterySaverBottomSheetBinding
+import org.thoughtcrime.securesms.keyvalue.SignalStore
+import org.thoughtcrime.securesms.util.BottomSheetUtil
+import org.thoughtcrime.securesms.util.PowerManagerCompat
+
+@RequiresApi(23)
+class PromptBatterySaverDialogFragment : FixedRoundedCornerBottomSheetDialogFragment() {
+
+  companion object {
+
+    @JvmStatic
+    fun show(context: Context, fragmentManager: FragmentManager) {
+      if (fragmentManager.findFragmentByTag(BottomSheetUtil.STANDARD_BOTTOM_SHEET_FRAGMENT_TAG) == null) {
+        PromptBatterySaverDialogFragment().apply {
+          arguments = bundleOf()
+        }.show(fragmentManager, BottomSheetUtil.STANDARD_BOTTOM_SHEET_FRAGMENT_TAG)
+        SignalStore.uiHints().lastBatterySaverPrompt = System.currentTimeMillis()
+      }
+    }
+  }
+
+  override val peekHeightPercentage: Float = 0.66f
+  override val themeResId: Int = R.style.Widget_Signal_FixedRoundedCorners_Messages
+
+  private val binding by ViewBinderDelegate(PromptBatterySaverBottomSheetBinding::bind)
+
+  private lateinit var viewModel: PromptLogsViewModel
+
+  private val disposables: LifecycleDisposable = LifecycleDisposable()
+
+  override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+    return inflater.inflate(R.layout.prompt_battery_saver_bottom_sheet, container, false)
+  }
+
+  override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+    disposables.bindTo(viewLifecycleOwner)
+
+    viewModel = ViewModelProvider(this)[PromptLogsViewModel::class.java]
+    binding.continueButton.setOnClickListener {
+      PowerManagerCompat.requestIgnoreBatteryOptimizations(requireContext())
+    }
+    binding.dismissButton.setOnClickListener {
+      SignalStore.uiHints().markDismissedBatterySaverPrompt()
+      dismiss()
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/notifications/NotificationsSettingsFragment.kt

@@ -22,6 +22,7 @@ import androidx.preference.PreferenceManager
 import org.signal.core.util.getParcelableExtraCompat
 import org.signal.core.util.logging.Log
 import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.components.PromptBatterySaverDialogFragment
 import org.thoughtcrime.securesms.components.settings.DSLConfiguration
 import org.thoughtcrime.securesms.components.settings.DSLSettingsFragment
 import org.thoughtcrime.securesms.components.settings.DSLSettingsText
@@ -184,6 +185,16 @@ class NotificationsSettingsFragment : DSLSettingsFragment(R.string.preferences__
         }
       )
 
+      if (Build.VERSION.SDK_INT >= 23 && state.messageNotificationsState.troubleshootNotifications) {
+        clickPref(
+          title = DSLSettingsText.from(R.string.preferences_notifications__troubleshoot),
+          isEnabled = true,
+          onClick = {
+            PromptBatterySaverDialogFragment.show(requireContext(), childFragmentManager)
+          }
+        )
+      }
+
       if (Build.VERSION.SDK_INT < 30) {
         if (NotificationChannels.supported()) {
           clickPref(

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/notifications/NotificationsSettingsState.kt

@@ -17,7 +17,8 @@ data class MessageNotificationsState(
   val inChatSoundsEnabled: Boolean,
   val repeatAlerts: Int,
   val messagePrivacy: String,
-  val priority: Int
+  val priority: Int,
+  val troubleshootNotifications: Boolean
 )
 
 data class CallNotificationsState(

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/notifications/NotificationsSettingsViewModel.kt

@@ -8,6 +8,7 @@ import androidx.lifecycle.ViewModelProvider
 import org.thoughtcrime.securesms.dependencies.ApplicationDependencies
 import org.thoughtcrime.securesms.keyvalue.SignalStore
 import org.thoughtcrime.securesms.notifications.NotificationChannels
+import org.thoughtcrime.securesms.notifications.SlowNotificationHeuristics
 import org.thoughtcrime.securesms.preferences.widgets.NotificationPrivacyPreference
 import org.thoughtcrime.securesms.util.TextSecurePreferences
 import org.thoughtcrime.securesms.util.livedata.Store
@@ -104,7 +105,8 @@ class NotificationsSettingsViewModel(private val sharedPreferences: SharedPrefer
       inChatSoundsEnabled = SignalStore.settings().isMessageNotificationsInChatSoundsEnabled,
       repeatAlerts = SignalStore.settings().messageNotificationsRepeatAlerts,
       messagePrivacy = SignalStore.settings().messageNotificationsPrivacy.toString(),
-      priority = TextSecurePreferences.getNotificationPriority(ApplicationDependencies.getApplication())
+      priority = TextSecurePreferences.getNotificationPriority(ApplicationDependencies.getApplication()),
+      troubleshootNotifications = SlowNotificationHeuristics.isPotentiallyCausedByBatteryOptimizations() && SlowNotificationHeuristics.isHavingDelayedNotifications()
     ),
     callNotificationsState = CallNotificationsState(
       notificationsEnabled = SignalStore.settings().isCallNotificationsEnabled,