Kotlin 1.9.0 (#3835)

Update to Kotlin 1.9.0 and migrate to newer language idioms.

- Remove unnecessary @OptIn for features migrated to mainstream
- Use `data object` where appropriate
- Use new enum `entries` property

app/src/main/java/com/keylesspalace/tusky/TabData.kt

@@ -52,9 +52,7 @@ data class TabData(
         other as TabData
 
         if (id != other.id) return false
-        if (arguments != other.arguments) return false
-
-        return true
+        return arguments == other.arguments
     }
 
     override fun hashCode() = Objects.hash(id, arguments)

app/src/main/java/com/keylesspalace/tusky/adapter/StatusBaseViewHolder.java

@@ -114,10 +114,10 @@ public abstract class StatusBaseViewHolder extends RecyclerView.ViewHolder {
     private final TextView cardDescription;
     private final TextView cardUrl;
     private final PollAdapter pollAdapter;
-    protected LinearLayout filteredPlaceholder;
-    protected TextView filteredPlaceholderLabel;
-    protected Button filteredPlaceholderShowButton;
-    protected ConstraintLayout statusContainer;
+    protected final LinearLayout filteredPlaceholder;
+    protected final TextView filteredPlaceholderLabel;
+    protected final Button filteredPlaceholderShowButton;
+    protected final ConstraintLayout statusContainer;
 
     private final NumberFormat numberFormat = NumberFormat.getNumberInstance();
     private final AbsoluteTimeFormatter absoluteTimeFormatter = new AbsoluteTimeFormatter();
@@ -838,9 +838,7 @@ public abstract class StatusBaseViewHolder extends RecyclerView.ViewHolder {
         }
 
         filteredPlaceholderLabel.setText(itemView.getContext().getString(R.string.status_filter_placeholder_label_format, matchedFilter.getTitle()));
-        filteredPlaceholderShowButton.setOnClickListener(view -> {
-            listener.clearWarningAction(getBindingAdapterPosition());
-        });
+        filteredPlaceholderShowButton.setOnClickListener(view -> listener.clearWarningAction(getBindingAdapterPosition()));
     }
 
     protected static boolean hasPreviewableAttachment(List<Attachment> attachments) {

app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeViewModel.kt

@@ -39,7 +39,6 @@ import com.keylesspalace.tusky.service.ServiceClient
 import com.keylesspalace.tusky.service.StatusToSend
 import com.keylesspalace.tusky.util.randomAlphanumericString
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.FlowPreview
 import kotlinx.coroutines.channels.BufferOverflow
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -53,7 +52,6 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import javax.inject.Inject
 
-@OptIn(FlowPreview::class)
 class ComposeViewModel @Inject constructor(
     private val api: MastodonApi,
     private val accountManager: AccountManager,
@@ -95,7 +93,7 @@ class ComposeViewModel @Inject constructor(
     val media: MutableStateFlow<List<QueuedMedia>> = MutableStateFlow(emptyList())
     val uploadError = MutableSharedFlow<Throwable>(replay = 0, extraBufferCapacity = 1, onBufferOverflow = BufferOverflow.DROP_OLDEST)
 
-    lateinit var composeKind: ComposeKind
+    private lateinit var composeKind: ComposeKind
 
     // Used in ComposeActivity to pass state to result function when cropImage contract inflight
     var cropImageItemOld: QueuedMedia? = null

app/src/main/java/com/keylesspalace/tusky/components/compose/dialog/AddPollOptionsAdapter.kt

@@ -75,10 +75,6 @@ class AddPollOptionsAdapter(
     }
 
     private fun validateInput(): Boolean {
-        if (options.contains("") || options.distinct().size != options.size) {
-            return false
-        }
-
-        return true
+        return !(options.contains("") || options.distinct().size != options.size)
     }
 }

app/src/main/java/com/keylesspalace/tusky/components/login/LoginWebViewActivity.kt

@@ -99,7 +99,7 @@ sealed class LoginResult : Parcelable {
     data class Err(val errorMessage: String) : LoginResult()
 
     @Parcelize
-    object Cancel : LoginResult()
+    data object Cancel : LoginResult()
 }
 
 /** Activity to do Oauth process using WebView. */

app/src/main/java/com/keylesspalace/tusky/components/notifications/NotificationHelper.java

@@ -285,7 +285,7 @@ public class NotificationHelper {
         int accountId = (int) account.getId();
 
         // Initialise the map with all channel IDs.
-        for (Notification.Type ty : Notification.Type.values()) {
+        for (Notification.Type ty : Notification.Type.getEntries()) {
             channelGroups.put(getChannelId(account, ty), new ArrayList<>());
         }
 

app/src/main/java/com/keylesspalace/tusky/components/notifications/NotificationsFragment.kt

@@ -293,7 +293,7 @@ class NotificationsFragment :
                             val position = adapter.snapshot().indexOfFirst {
                                 it?.statusViewData?.status?.id == (action as StatusAction).statusViewData.id
                             }
-                            if (position != RecyclerView.NO_POSITION) {
+                            if (position != NO_POSITION) {
                                 adapter.notifyItemChanged(position)
                             }
                         }

app/src/main/java/com/keylesspalace/tusky/components/notifications/NotificationsPagingAdapter.kt

@@ -124,7 +124,7 @@ class NotificationsPagingAdapter(
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
         val inflater = LayoutInflater.from(parent.context)
 
-        return when (NotificationViewKind.values()[viewType]) {
+        return when (NotificationViewKind.entries[viewType]) {
             NotificationViewKind.STATUS -> {
                 StatusViewHolder(
                     ItemStatusBinding.inflate(inflater, parent, false),

app/src/main/java/com/keylesspalace/tusky/components/notifications/NotificationsViewModel.kt

@@ -46,7 +46,6 @@ import com.keylesspalace.tusky.util.toViewData
 import com.keylesspalace.tusky.viewdata.NotificationViewData
 import com.keylesspalace.tusky.viewdata.StatusViewData
 import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.FlowPreview
 import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableSharedFlow
@@ -70,7 +69,6 @@ import kotlinx.coroutines.rx3.await
 import retrofit2.HttpException
 import javax.inject.Inject
 import kotlin.time.Duration.Companion.milliseconds
-import kotlin.time.ExperimentalTime
 
 data class UiState(
     /** Filtered notification types */
@@ -103,7 +101,7 @@ sealed class UiAction
 /** Actions the user can trigger from the UI. These actions may fail. */
 sealed class FallibleUiAction : UiAction() {
     /** Clear all notifications */
-    object ClearNotifications : FallibleUiAction()
+    data object ClearNotifications : FallibleUiAction()
 }
 
 /**
@@ -129,7 +127,7 @@ sealed class InfallibleUiAction : UiAction() {
     // Resets the account's `lastNotificationId`, which can't fail, which is why this is
     // infallible. Reloading the data may fail, but that's handled by the paging system /
     // adapter refresh logic.
-    object LoadNewest : InfallibleUiAction()
+    data object LoadNewest : InfallibleUiAction()
 }
 
 /** Actions the user can trigger on an individual notification. These may fail. */
@@ -146,13 +144,13 @@ sealed class UiSuccess {
     // of these three should trigger the UI to refresh.
 
     /** A user was blocked */
-    object Block : UiSuccess()
+    data object Block : UiSuccess()
 
     /** A user was muted */
-    object Mute : UiSuccess()
+    data object Mute : UiSuccess()
 
     /** A conversation was muted */
-    object MuteConversation : UiSuccess()
+    data object MuteConversation : UiSuccess()
 }
 
 /** The result of a successful action on a notification */
@@ -286,7 +284,7 @@ sealed class UiError(
     }
 }
 
-@OptIn(ExperimentalCoroutinesApi::class, FlowPreview::class, ExperimentalTime::class)
+@OptIn(ExperimentalCoroutinesApi::class)
 class NotificationsViewModel @Inject constructor(
     private val repository: NotificationsRepository,
     private val preferences: SharedPreferences,

app/src/main/java/com/keylesspalace/tusky/components/viewthread/ViewThreadViewModel.kt

@@ -516,7 +516,7 @@ class ViewThreadViewModel @Inject constructor(
 
 sealed interface ThreadUiState {
     /** The initial load of the detailed status for this thread */
-    object Loading : ThreadUiState
+    data object Loading : ThreadUiState
 
     /** Loading the detailed status has completed, now loading ancestors/descendants */
     data class LoadingThread(
@@ -535,7 +535,7 @@ sealed interface ThreadUiState {
     ) : ThreadUiState
 
     /** Refreshing the thread with a swipe */
-    object Refreshing : ThreadUiState
+    data object Refreshing : ThreadUiState
 }
 
 enum class RevealButtonState {

app/src/main/java/com/keylesspalace/tusky/components/viewthread/edits/ViewEditsAdapter.kt

@@ -51,10 +51,10 @@ class ViewEditsAdapter(
     private val absoluteTimeFormatter = AbsoluteTimeFormatter()
 
     /** Size of large text in this theme, in px */
-    var largeTextSizePx: Float = 0f
+    private var largeTextSizePx: Float = 0f
 
     /** Size of medium text in this theme, in px */
-    var mediumTextSizePx: Float = 0f
+    private var mediumTextSizePx: Float = 0f
 
     override fun onCreateViewHolder(
         parent: ViewGroup,

app/src/main/java/com/keylesspalace/tusky/components/viewthread/edits/ViewEditsViewModel.kt

@@ -132,12 +132,12 @@ class ViewEditsViewModel @Inject constructor(private val api: MastodonApi) : Vie
 }
 
 sealed interface EditsUiState {
-    object Initial : EditsUiState
-    object Loading : EditsUiState
+    data object Initial : EditsUiState
+    data object Loading : EditsUiState
 
     // "Refreshing" state is necessary, otherwise a refresh state transition is Success -> Success,
     // and state flows don't emit repeated states, so the UI never updates.
-    object Refreshing : EditsUiState
+    data object Refreshing : EditsUiState
     class Error(val throwable: Throwable) : EditsUiState
     data class Success(
         val edits: List<StatusEdit>

app/src/main/java/com/keylesspalace/tusky/db/AccountEntity.kt

@@ -129,9 +129,7 @@ data class AccountEntity(
         other as AccountEntity
 
         if (id == other.id) return true
-        if (domain == other.domain && accountId == other.accountId) return true
-
-        return false
+        return domain == other.domain && accountId == other.accountId
     }
 
     override fun hashCode(): Int {

app/src/main/java/com/keylesspalace/tusky/util/FlowExtensions.kt

@@ -20,7 +20,6 @@ package com.keylesspalace.tusky.util
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.flow
 import kotlin.time.Duration
-import kotlin.time.ExperimentalTime
 import kotlin.time.TimeMark
 import kotlin.time.TimeSource
 
@@ -54,7 +53,6 @@ import kotlin.time.TimeSource
  * @param timeout Emissions within this duration of the last emission are filtered
  * @param timeSource Used to measure elapsed time. Normally only overridden in tests
  */
-@OptIn(ExperimentalTime::class)
 fun <T> Flow<T>.throttleFirst(
     timeout: Duration,
     timeSource: TimeSource = TimeSource.Monotonic

app/src/main/java/com/keylesspalace/tusky/util/NoUnderlineURLSpan.kt

@@ -19,7 +19,7 @@ import android.text.TextPaint
 import android.text.style.URLSpan
 import android.view.View
 
-open class NoUnderlineURLSpan constructor(val url: String) : URLSpan(url) {
+open class NoUnderlineURLSpan(val url: String) : URLSpan(url) {
 
     // This should not be necessary. But if you don't do this the [StatusLengthTest] tests
     // fail. Without this, accessing the `url` property, or calling `getUrl()` (which should

app/src/main/java/com/keylesspalace/tusky/util/SpanUtils.kt

@@ -128,7 +128,7 @@ private fun findPattern(string: String, fromIndex: Int): FindCharsResult {
     val result = FindCharsResult()
     for (i in fromIndex..string.lastIndex) {
         val c = string[i]
-        for (matchType in FoundMatchType.values()) {
+        for (matchType in FoundMatchType.entries) {
             val finder = finders[matchType]
             if (finder!!.searchCharacter == c &&
                 (

app/src/main/java/com/keylesspalace/tusky/viewmodel/EditProfileViewModel.kt

@@ -35,7 +35,6 @@ import com.keylesspalace.tusky.util.Resource
 import com.keylesspalace.tusky.util.Success
 import com.keylesspalace.tusky.util.getServerErrorMessage
 import com.keylesspalace.tusky.util.randomAlphanumericString
-import kotlinx.coroutines.FlowPreview
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.asFlow
@@ -64,7 +63,6 @@ class EditProfileViewModel @Inject constructor(
     val headerData = MutableLiveData<Uri>()
     val saveData = MutableLiveData<Resource<Nothing>>()
 
-    @OptIn(FlowPreview::class)
     val instanceData: Flow<InstanceInfo> = instanceInfoRepo::getInstanceInfo.asFlow()
         .shareIn(viewModelScope, SharingStarted.Eagerly, replay = 1)