Convert notification-permission to a Kotlin Multiplatform module

app/feature/feature-claim-chat/src/androidMain/kotlin/com/hedvig/android/feature/claim/chat/ui/outcome/ClaimOutcomeNewClaimDestination.android.kt

@@ -18,8 +18,6 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.semantics.heading
 import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.unit.dp
-import com.google.accompanist.permissions.isGranted
-import com.google.accompanist.permissions.shouldShowRationale
 import com.hedvig.android.design.system.hedvig.HedvigBottomSheet
 import com.hedvig.android.design.system.hedvig.HedvigButton
 import com.hedvig.android.design.system.hedvig.HedvigText
@@ -29,7 +27,9 @@ import com.hedvig.android.design.system.hedvig.api.HedvigBottomSheetState
 import com.hedvig.android.design.system.hedvig.rememberHedvigBottomSheetState
 import com.hedvig.android.design.system.hedvig.show
 import com.hedvig.android.notification.permission.NotificationPermissionState
+import com.hedvig.android.notification.permission.isGranted
 import com.hedvig.android.notification.permission.rememberNotificationPermissionState
+import com.hedvig.android.notification.permission.shouldShowRationale
 import hedvig.resources.CLAIMS_ACTIVATE_NOTIFICATIONS_BODY
 import hedvig.resources.CLAIMS_ACTIVATE_NOTIFICATIONS_CTA
 import hedvig.resources.CLAIM_CHAT_GET_NOTIFIED

app/feature/feature-home/src/main/kotlin/com/hedvig/android/feature/home/home/ui/HomeDestination.kt

@@ -93,7 +93,6 @@ import arrow.core.nonEmptyListOf
 import arrow.core.toNonEmptyListOrNull
 import coil3.ImageLoader
 import coil3.compose.AsyncImage
-import com.google.accompanist.permissions.isGranted
 import com.hedvig.android.compose.pager.indicator.CardCarousel
 import com.hedvig.android.compose.ui.LocalClock
 import com.hedvig.android.compose.ui.dropUnlessResumed
@@ -209,6 +208,7 @@ import com.hedvig.android.memberreminders.ui.homeInformationalReminders
 import com.hedvig.android.memberreminders.ui.missingPayinMethodReminder
 import com.hedvig.android.notification.permission.NotificationPermissionDialog
 import com.hedvig.android.notification.permission.NotificationPermissionState
+import com.hedvig.android.notification.permission.isGranted
 import com.hedvig.android.notification.permission.rememberNotificationPermissionState
 import com.hedvig.android.notification.permission.rememberPreviewNotificationPermissionState
 import com.hedvig.android.pullrefresh.PullRefreshDefaults

app/feature/feature-profile/src/main/kotlin/com/hedvig/android/feature/profile/settings/SettingsDestination.kt

@@ -26,9 +26,6 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
-import com.google.accompanist.permissions.PermissionStatus
-import com.google.accompanist.permissions.PermissionStatus.Granted
-import com.google.accompanist.permissions.isGranted
 import com.hedvig.android.data.settings.datastore.AnalyticsConsent
 import com.hedvig.android.design.system.hedvig.DialogDefaults.ButtonSize.BIG
 import com.hedvig.android.design.system.hedvig.HedvigAlertDialog
@@ -52,6 +49,9 @@ import com.hedvig.android.language.label
 import com.hedvig.android.memberreminders.ui.ReminderCardEnableNotifications
 import com.hedvig.android.notification.permission.NotificationPermissionDialog
 import com.hedvig.android.notification.permission.NotificationPermissionState
+import com.hedvig.android.notification.permission.PermissionStatus
+import com.hedvig.android.notification.permission.PermissionStatus.Granted
+import com.hedvig.android.notification.permission.isGranted
 import com.hedvig.android.notification.permission.rememberNotificationPermissionState
 import com.hedvig.android.theme.Theme
 import hedvig.resources.GENERAL_DISABLED

app/feature/feature-profile/src/main/kotlin/com/hedvig/android/feature/profile/tab/ProfileDestination.kt

@@ -49,7 +49,6 @@ import androidx.compose.ui.tooling.preview.datasource.CollectionPreviewParameter
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.compose.dropUnlessResumed
-import com.google.accompanist.permissions.isGranted
 import com.hedvig.android.compose.ui.plus
 import com.hedvig.android.compose.ui.preview.PreviewContentWithProvidedParametersAnimatedOnClick
 import com.hedvig.android.data.coinsured.CoInsuredFlowType
@@ -77,6 +76,7 @@ import com.hedvig.android.memberreminders.ui.MissingPayinMethodCard
 import com.hedvig.android.memberreminders.ui.cardReminders
 import com.hedvig.android.memberreminders.ui.missingPayinMethodReminder
 import com.hedvig.android.notification.permission.NotificationPermissionDialog
+import com.hedvig.android.notification.permission.isGranted
 import com.hedvig.android.notification.permission.rememberNotificationPermissionState
 import com.hedvig.android.placeholder.PlaceholderHighlight
 import com.hedvig.android.pullrefresh.PullRefreshDefaults

app/notification-permission/build.gradle.kts

@@ -1,16 +1,24 @@
 plugins {
-  id("hedvig.android.library")
+  id("hedvig.multiplatform.library")
+  id("hedvig.multiplatform.library.android")
   id("hedvig.gradle.plugin")
 }
 
 hedvig {
   compose()
 }
 
-dependencies {
-  api(libs.accompanist.permissions)
-
-  implementation(libs.androidx.activity.compose)
-  implementation(projects.coreResources)
-  implementation(projects.designSystemHedvig)
+kotlin {
+  sourceSets {
+    commonMain.dependencies {
+      implementation(libs.jetbrains.compose.runtime)
+      implementation(projects.coreResources)
+      implementation(projects.designSystemHedvig)
+    }
+    androidMain.dependencies {
+      implementation(libs.accompanist.permissions)
+      implementation(libs.androidx.activity.compose)
+      implementation(libs.jetbrains.compose.ui)
+    }
+  }
 }

app/notification-permission/src/main/kotlin/com/hedvig/android/notification/permission/NotificationPermission.kt → app/notification-permission/src/androidMain/kotlin/com/hedvig/android/notification/permission/NotificationPermission.android.kt

@@ -19,30 +19,32 @@ import androidx.compose.ui.platform.LocalInspectionMode
 import com.google.accompanist.permissions.ExperimentalPermissionsApi
 import com.google.accompanist.permissions.MutablePermissionState
 import com.google.accompanist.permissions.PermissionLifecycleCheckerEffect
-import com.google.accompanist.permissions.PermissionState
-import com.google.accompanist.permissions.PermissionStatus
-import com.google.accompanist.permissions.isGranted
+import com.google.accompanist.permissions.PermissionState as AccompanistPermissionState
+import com.google.accompanist.permissions.PermissionStatus as AccompanistPermissionStatus
+import com.google.accompanist.permissions.isGranted as accompanistIsGranted
 import com.google.accompanist.permissions.rememberPermissionState
-import com.google.accompanist.permissions.shouldShowRationale
-import com.hedvig.android.design.system.hedvig.PermissionDialog
-import hedvig.resources.CLAIMS_ACTIVATE_NOTIFICATIONS_BODY
-import hedvig.resources.Res
-import org.jetbrains.compose.resources.stringResource
-
-interface NotificationPermissionState : PermissionState {
-  val showDialog: Boolean
-
-  fun dismissDialog()
-}
 
 private class NotificationPermissionStateImpl(
-  private val permissionState: PermissionState,
-) : NotificationPermissionState, PermissionState by permissionState {
+  private val permissionState: AccompanistPermissionState,
+) : NotificationPermissionState {
   private var _showDialog by mutableStateOf(false)
 
+  override val permission: String
+    get() = permissionState.permission
+
+  override val status: PermissionStatus
+    get() = when (val status = permissionState.status) {
+      AccompanistPermissionStatus.Granted -> PermissionStatus.Granted
+      is AccompanistPermissionStatus.Denied -> PermissionStatus.Denied(status.shouldShowRationale)
+    }
+
   override val showDialog: Boolean
     get() = _showDialog
 
+  override fun launchPermissionRequest() {
+    permissionState.launchPermissionRequest()
+  }
+
   override fun dismissDialog() {
     _showDialog = false
   }
@@ -59,7 +61,7 @@ private class NotificationPermissionStateImpl(
  */
 @SuppressLint("InlinedApi")
 @Composable
-fun rememberNotificationPermissionState(onNotificationGranted: () -> Unit = {}): NotificationPermissionState {
+actual fun rememberNotificationPermissionState(onNotificationGranted: () -> Unit): NotificationPermissionState {
   val context = LocalContext.current
   val activity = LocalActivity.current
   val permissionState = remember {
@@ -87,43 +89,13 @@ fun rememberNotificationPermissionState(onNotificationGranted: () -> Unit = {}):
   return notificationPermissionState
 }
 
-@Composable
-fun NotificationPermissionDialog(
-  notificationPermissionState: NotificationPermissionState,
-  openAppSettings: () -> Unit,
-) {
-  if (notificationPermissionState.showDialog) {
-    PermissionDialog(
-      permissionDescription = stringResource(Res.string.CLAIMS_ACTIVATE_NOTIFICATIONS_BODY),
-      isPermanentlyDeclined = !notificationPermissionState.status.shouldShowRationale,
-      onDismiss = notificationPermissionState::dismissDialog,
-      okClick = notificationPermissionState::launchPermissionRequest,
-      openAppSettings = openAppSettings,
-    )
-  }
-}
-
 @OptIn(ExperimentalPermissionsApi::class)
 @Composable
-fun rememberNotificationPermissionStatus(): Boolean {
+actual fun rememberNotificationPermissionStatus(): Boolean {
   val isPreview = LocalInspectionMode.current
   return if (!isPreview && Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
-    rememberPermissionState(Manifest.permission.POST_NOTIFICATIONS).status.isGranted
+    rememberPermissionState(Manifest.permission.POST_NOTIFICATIONS).status.accompanistIsGranted
   } else {
     true
   }
 }
-
-fun rememberPreviewNotificationPermissionState(
-  permissionStatus: PermissionStatus = PermissionStatus.Granted,
-  isDialogShowing: Boolean = false,
-): NotificationPermissionState = object : NotificationPermissionState {
-  override val showDialog: Boolean = isDialogShowing
-
-  override fun dismissDialog() {}
-
-  override val permission: String = ""
-  override val status: PermissionStatus = permissionStatus
-
-  override fun launchPermissionRequest() {}
-}

app/notification-permission/src/commonMain/kotlin/com/hedvig/android/notification/permission/NotificationPermission.kt

@@ -0,0 +1,73 @@
+package com.hedvig.android.notification.permission
+
+import androidx.compose.runtime.Composable
+import com.hedvig.android.design.system.hedvig.PermissionDialog
+import hedvig.resources.CLAIMS_ACTIVATE_NOTIFICATIONS_BODY
+import hedvig.resources.Res
+import org.jetbrains.compose.resources.stringResource
+
+interface NotificationPermissionState {
+  val permission: String
+  val status: PermissionStatus
+  val showDialog: Boolean
+
+  fun launchPermissionRequest()
+
+  fun dismissDialog()
+}
+
+sealed interface PermissionStatus {
+  data object Granted : PermissionStatus
+
+  data class Denied(val shouldShowRationale: Boolean) : PermissionStatus
+}
+
+val PermissionStatus.isGranted: Boolean
+  get() = this == PermissionStatus.Granted
+
+val PermissionStatus.shouldShowRationale: Boolean
+  get() = when (this) {
+    PermissionStatus.Granted -> false
+    is PermissionStatus.Denied -> shouldShowRationale
+  }
+
+/**
+ * Notification permission state for the current screen. [onNotificationGranted] runs when a permission request is
+ * granted; a denied request makes [NotificationPermissionState.showDialog] true. Use in conjunction with
+ * [NotificationPermissionDialog].
+ */
+@Composable
+expect fun rememberNotificationPermissionState(onNotificationGranted: () -> Unit = {}): NotificationPermissionState
+
+@Composable
+fun NotificationPermissionDialog(
+  notificationPermissionState: NotificationPermissionState,
+  openAppSettings: () -> Unit,
+) {
+  if (notificationPermissionState.showDialog) {
+    PermissionDialog(
+      permissionDescription = stringResource(Res.string.CLAIMS_ACTIVATE_NOTIFICATIONS_BODY),
+      isPermanentlyDeclined = !notificationPermissionState.status.shouldShowRationale,
+      onDismiss = notificationPermissionState::dismissDialog,
+      okClick = notificationPermissionState::launchPermissionRequest,
+      openAppSettings = openAppSettings,
+    )
+  }
+}
+
+@Composable
+expect fun rememberNotificationPermissionStatus(): Boolean
+
+fun rememberPreviewNotificationPermissionState(
+  permissionStatus: PermissionStatus = PermissionStatus.Granted,
+  isDialogShowing: Boolean = false,
+): NotificationPermissionState = object : NotificationPermissionState {
+  override val showDialog: Boolean = isDialogShowing
+
+  override fun dismissDialog() {}
+
+  override val permission: String = ""
+  override val status: PermissionStatus = permissionStatus
+
+  override fun launchPermissionRequest() {}
+}

app/notification-permission/src/jvmMain/kotlin/com/hedvig/android/notification/permission/NotificationPermission.jvm.kt

@@ -0,0 +1,25 @@
+package com.hedvig.android.notification.permission
+
+import androidx.compose.runtime.Composable
+
+/**
+ * The JVM target has no notification permission to request, so the state always reads as denied and never shows a
+ * dialog.
+ */
+private object UnavailableNotificationPermissionState : NotificationPermissionState {
+  override val permission: String = "android.permission.POST_NOTIFICATIONS"
+  override val status: PermissionStatus = PermissionStatus.Denied(shouldShowRationale = false)
+  override val showDialog: Boolean = false
+
+  override fun launchPermissionRequest() {}
+
+  override fun dismissDialog() {}
+}
+
+@Composable
+actual fun rememberNotificationPermissionState(onNotificationGranted: () -> Unit): NotificationPermissionState {
+  return UnavailableNotificationPermissionState
+}
+
+@Composable
+actual fun rememberNotificationPermissionStatus(): Boolean = false