Replace extension NSFW flag with content warning app-wide (#3951)

app/build.gradle.kts

@@ -33,7 +33,7 @@ android {
     defaultConfig {
         applicationId = "app.mihon"
 
-        versionCode = 29
+        versionCode = 30
         versionName = "0.20.4"
 
         buildConfigField("String", "COMMIT_COUNT", "\"${getLatestCommitCount()}\"")

app/src/main/java/eu/kanade/domain/extension/interactor/GetExtensionsByType.kt

@@ -15,7 +15,7 @@ class GetExtensionsByType(
 ) {
 
     fun subscribe(): Flow<Extensions> {
-        val showNsfwSources = preferences.showNsfwSource.get()
+        val enabledContentWarnings = preferences.enabledContentWarnings.get()
 
         return combine(
             preferences.enabledLanguages.changes(),
@@ -24,7 +24,6 @@ class GetExtensionsByType(
             extensionManager.availableExtensionsFlow,
         ) { enabledLanguages, _installed, _untrusted, _available ->
             val (updates, installed) = _installed
-                .filter { (showNsfwSources || !it.isNsfw) }
                 .sortedWith(
                     compareBy<Extension.Installed> { !it.isObsolete }
                         .thenBy(String.CASE_INSENSITIVE_ORDER) { it.name },
@@ -38,7 +37,7 @@ class GetExtensionsByType(
                 .filter { extension ->
                     _installed.none { it.pkgName == extension.pkgName } &&
                         _untrusted.none { it.pkgName == extension.pkgName } &&
-                        (showNsfwSources || !extension.isNsfw)
+                        extension.contentWarning in enabledContentWarnings
                 }
                 .flatMap { ext ->
                     ext.sources.filter { it.lang in enabledLanguages }

app/src/main/java/eu/kanade/domain/source/service/SourcePreferences.kt

@@ -5,10 +5,12 @@ import dev.zacsweers.metro.Inject
 import dev.zacsweers.metro.SingleIn
 import eu.kanade.domain.source.interactor.SetMigrateSorting
 import eu.kanade.tachiyomi.util.system.LocaleHelper
+import mihon.domain.extension.model.ContentWarning
 import mihon.domain.migration.models.MigrationFlag
 import tachiyomi.core.common.preference.Preference
 import tachiyomi.core.common.preference.PreferenceStore
 import tachiyomi.core.common.preference.getEnum
+import tachiyomi.core.common.preference.getEnumSet
 import tachiyomi.core.common.preference.getLongArray
 import tachiyomi.domain.library.model.LibraryDisplayMode
 
@@ -41,7 +43,10 @@ class SourcePreferences(
         -1,
     )
 
-    val showNsfwSource: Preference<Boolean> = preferenceStore.getBoolean("show_nsfw_source", true)
+    val enabledContentWarnings: Preference<Set<ContentWarning>> = preferenceStore.getEnumSet(
+        "enabled_content_warnings",
+        setOf(ContentWarning.SAFE, ContentWarning.MIXED, ContentWarning.NSFW),
+    )
 
     val migrationSortingMode: Preference<SetMigrateSorting.Mode> = preferenceStore.getEnum(
         "pref_migration_sorting",

app/src/main/java/eu/kanade/presentation/browse/ExtensionDetailsScreen.kt

@@ -32,16 +32,18 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalUriHandler
 import androidx.compose.ui.res.vectorResource
-import androidx.compose.ui.text.TextStyle
-import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
+import dev.icerock.moko.resources.StringResource
 import eu.kanade.domain.extension.interactor.ExtensionSourceItem
 import eu.kanade.presentation.browse.components.ExtensionIcon
+import eu.kanade.presentation.browse.components.label
 import eu.kanade.presentation.components.AppBar
 import eu.kanade.presentation.components.AppBarActions
 import eu.kanade.presentation.components.WarningBanner
@@ -152,7 +154,8 @@ private fun ExtensionDetails(
     onClickIncognito: (Boolean) -> Unit,
 ) {
     val context = LocalContext.current
-    var showNsfwWarning by remember { mutableStateOf(false) }
+    var showContentWarning by remember { mutableStateOf(false) }
+    val contentWarning = extension.contentWarning.label
 
     ScrollbarLazyColumn(
         contentPadding = contentPadding,
@@ -175,8 +178,8 @@ private fun ExtensionDetails(
                     }
                     Unit
                 }.takeIf { extension.isShared },
-                onClickAgeRating = {
+                onClickContentWarning = {
-                    showNsfwWarning = true
+                    showContentWarning = true
                 },
                 onExtIncognitoChange = onClickIncognito,
             )
@@ -194,10 +197,12 @@ private fun ExtensionDetails(
             )
         }
     }
-    if (showNsfwWarning) {
+    if (showContentWarning && contentWarning != null) {
-        NsfwWarningDialog(
+        ContentWarningDialog(
+            label = contentWarning.title,
+            description = contentWarning.description,
             onClickConfirm = {
-                showNsfwWarning = false
+                showContentWarning = false
             },
         )
     }
@@ -207,12 +212,13 @@ private fun ExtensionDetails(
 private fun DetailsHeader(
     extension: Extension,
     extIncognitoMode: Boolean,
-    onClickAgeRating: () -> Unit,
+    onClickContentWarning: () -> Unit,
     onClickUninstall: () -> Unit,
     onClickAppInfo: (() -> Unit)?,
     onExtIncognitoChange: (Boolean) -> Unit,
 ) {
     val context = LocalContext.current
+    val contentWarning = extension.contentWarning.label
 
     Column {
         Column(
@@ -229,7 +235,7 @@ private fun DetailsHeader(
                             """
                             Extension name: ${extension.name} (lang: ${extension.lang}; package: ${extension.pkgName})
                             Extension version: ${extension.versionName} (lib: ${extension.libVersion}; version code: ${extension.versionCode})
-                            NSFW: ${extension.isNsfw}
+                            Content warning: ${extension.contentWarning}
                             """.trimIndent(),
                         )
 
@@ -277,7 +283,7 @@ private fun DetailsHeader(
             modifier = Modifier
                 .fillMaxWidth()
                 .padding(
-                    horizontal = MaterialTheme.padding.extraLarge,
+                    horizontal = MaterialTheme.padding.medium,
                     vertical = MaterialTheme.padding.small,
                 ),
             horizontalArrangement = Arrangement.SpaceEvenly,
@@ -292,23 +298,20 @@ private fun DetailsHeader(
             InfoDivider()
 
             InfoText(
-                modifier = Modifier.weight(if (extension.isNsfw) 1.5f else 1f),
+                modifier = Modifier.weight(1f),
                 primaryText = LocaleHelper.getSourceDisplayName(extension.lang, context),
                 secondaryText = stringResource(MR.strings.ext_info_language),
             )
 
-            if (extension.isNsfw) {
+            if (contentWarning != null) {
                 InfoDivider()
 
                 InfoText(
                     modifier = Modifier.weight(1f),
-                    primaryText = stringResource(MR.strings.ext_nsfw_short),
+                    primaryText = stringResource(contentWarning.title),
-                    primaryTextStyle = MaterialTheme.typography.bodyLarge.copy(
+                    primaryTextColor = contentWarning.color,
-                        color = MaterialTheme.colorScheme.error,
+                    secondaryText = stringResource(MR.strings.ext_info_warning),
-                        fontWeight = FontWeight.Medium,
+                    onClick = onClickContentWarning,
-                    ),
-                    secondaryText = stringResource(MR.strings.ext_info_age_rating),
-                    onClick = onClickAgeRating,
                 )
             }
         }
@@ -366,7 +369,7 @@ private fun InfoText(
     primaryText: String,
     secondaryText: String,
     modifier: Modifier = Modifier,
-    primaryTextStyle: TextStyle = MaterialTheme.typography.bodyLarge,
+    primaryTextColor: Color = Color.Unspecified,
     onClick: (() -> Unit)? = null,
 ) {
     val clickableModifier = if (onClick != null) {
@@ -383,13 +386,16 @@ private fun InfoText(
         Text(
             text = primaryText,
             textAlign = TextAlign.Center,
-            style = primaryTextStyle,
+            style = MaterialTheme.typography.titleSmall,
+            color = primaryTextColor,
+            maxLines = 2,
+            overflow = TextOverflow.Ellipsis,
         )
 
         Text(
             text = secondaryText + if (onClick != null) " ⓘ" else "",
             textAlign = TextAlign.Center,
-            style = MaterialTheme.typography.bodyMedium,
+            style = MaterialTheme.typography.bodySmall,
             color = MaterialTheme.colorScheme.onSurface.copy(alpha = 0.5f),
         )
     }
@@ -398,7 +404,9 @@ private fun InfoText(
 @Composable
 private fun InfoDivider() {
     VerticalDivider(
-        modifier = Modifier.height(20.dp),
+        modifier = Modifier
+            .padding(horizontal = MaterialTheme.padding.small)
+            .height(24.dp),
     )
 }
 
@@ -444,12 +452,20 @@ private fun SourceSwitchPreference(
 }
 
 @Composable
-private fun NsfwWarningDialog(
+private fun ContentWarningDialog(
+    label: StringResource,
+    description: StringResource,
     onClickConfirm: () -> Unit,
 ) {
     AlertDialog(
+        title = {
+            Text(
+                text = stringResource(label),
+                style = MaterialTheme.typography.titleMedium,
+            )
+        },
         text = {
-            Text(text = stringResource(MR.strings.ext_nsfw_warning))
+            Text(text = stringResource(description))
         },
         confirmButton = {
             TextButton(onClick = onClickConfirm) {

app/src/main/java/eu/kanade/presentation/browse/ExtensionsScreen.kt

@@ -38,6 +38,7 @@ import cafe.adriel.voyager.navigator.currentOrThrow
 import dev.icerock.moko.resources.StringResource
 import eu.kanade.presentation.browse.components.BaseBrowseItem
 import eu.kanade.presentation.browse.components.ExtensionIcon
+import eu.kanade.presentation.browse.components.label
 import eu.kanade.presentation.components.WarningBanner
 import eu.kanade.presentation.manga.components.DotSeparatorNoSpaceText
 import eu.kanade.presentation.more.settings.screen.browse.ExtensionStoresScreen
@@ -367,22 +368,27 @@ private fun ExtensionItemContent(
                     )
                 }
 
-                val warning = when {
+                val warnings = listOfNotNull(
-                    extension is Extension.Untrusted -> MR.strings.ext_untrusted
+                    when {
-                    extension is Extension.Installed && extension.isObsolete -> MR.strings.ext_obsolete
+                        extension is Extension.Untrusted ->
-                    extension.isNsfw -> MR.strings.ext_nsfw_short
+                            MR.strings.ext_untrusted to MaterialTheme.colorScheme.error
+                        extension is Extension.Installed && extension.isObsolete ->
+                            MR.strings.ext_obsolete to MaterialTheme.colorScheme.error
                         else -> null
-                }
+                    },
-                if (warning != null) {
+                    extension.contentWarning.label?.let { it.title to it.color },
+                )
+                warnings.forEach { (label, color) ->
                     if (hasAlreadyShownAnElement) DotSeparatorNoSpaceText()
                     hasAlreadyShownAnElement = true
                     Text(
-                        text = stringResource(warning).uppercase(),
+                        text = stringResource(label).uppercase(),
-                        color = MaterialTheme.colorScheme.error,
+                        color = color,
                         maxLines = 1,
                         overflow = TextOverflow.Ellipsis,
                     )
                 }
+
                 if (extension is Extension.Installed && !extension.isShared) {
                     if (hasAlreadyShownAnElement) DotSeparatorNoSpaceText()
                     Text(

app/src/main/java/eu/kanade/presentation/browse/components/ContentWarningLabel.kt

@@ -0,0 +1,32 @@
+package eu.kanade.presentation.browse.components
+
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.ReadOnlyComposable
+import androidx.compose.ui.graphics.Color
+import dev.icerock.moko.resources.StringResource
+import mihon.domain.extension.model.ContentWarning
+import tachiyomi.i18n.MR
+
+internal data class ContentWarningLabel(
+    val title: StringResource,
+    val description: StringResource,
+    val color: Color,
+)
+
+internal val ContentWarning.label: ContentWarningLabel?
+    @Composable
+    @ReadOnlyComposable
+    get() = when (this) {
+        ContentWarning.SAFE -> null
+        ContentWarning.MIXED -> ContentWarningLabel(
+            title = MR.strings.ext_content_warning_mixed,
+            description = MR.strings.ext_content_warning_mixed_description,
+            color = MaterialTheme.colorScheme.primary,
+        )
+        ContentWarning.NSFW -> ContentWarningLabel(
+            title = MR.strings.ext_content_warning_nsfw,
+            description = MR.strings.ext_content_warning_nsfw_description,
+            color = MaterialTheme.colorScheme.error,
+        )
+    }

app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsBrowseScreen.kt

@@ -13,6 +13,7 @@ import eu.kanade.presentation.more.settings.Preference
 import eu.kanade.presentation.more.settings.screen.browse.ExtensionStoresScreen
 import eu.kanade.tachiyomi.util.system.AuthenticatorUtil.authenticate
 import mihon.app.di.appGraph
+import mihon.domain.extension.model.ContentWarning
 import tachiyomi.core.common.i18n.stringResource
 import tachiyomi.i18n.MR
 import tachiyomi.presentation.core.i18n.pluralStringResource
@@ -52,19 +53,35 @@ object SettingsBrowseScreen : SearchableSettings {
                 ),
             ),
             Preference.PreferenceGroup(
-                title = stringResource(MR.strings.pref_category_nsfw_content),
+                title = stringResource(MR.strings.pref_category_extensions),
                 preferenceItems = listOf(
-                    Preference.PreferenceItem.SwitchPreference(
+                    Preference.PreferenceItem.MultiSelectListPreference(
-                        preference = sourcePreferences.showNsfwSource,
+                        preference = sourcePreferences.enabledContentWarnings,
-                        title = stringResource(MR.strings.pref_show_nsfw_source),
+                        entries = mapOf(
-                        subtitle = stringResource(MR.strings.requires_app_restart),
+                            ContentWarning.SAFE to stringResource(MR.strings.ext_content_warning_safe),
-                        onValueChanged = {
+                            ContentWarning.MIXED to stringResource(MR.strings.ext_content_warning_mixed),
+                            ContentWarning.NSFW to stringResource(MR.strings.ext_content_warning_nsfw),
+                        ),
+                        title = stringResource(MR.strings.pref_allowed_content_warnings),
+                        subtitleProvider = { value, entries ->
+                            remember(value, entries) {
+                                entries.filterKeys { it in value }.values.joinToString()
+                            }
+                                .takeUnless { it.isBlank() }
+                                ?: stringResource(MR.strings.none)
+                        },
+                        onValueChanged = { newValue ->
+                            val added = newValue - sourcePreferences.enabledContentWarnings.get()
+                            if (added.any { it != ContentWarning.SAFE }) {
                                 (context as FragmentActivity).authenticate(
-                                title = context.stringResource(MR.strings.pref_category_nsfw_content),
+                                    title = context.stringResource(MR.strings.pref_allowed_content_warnings),
                                 )
+                            } else {
+                                true
+                            }
                         },
                     ),
-                    Preference.PreferenceItem.InfoPreference(stringResource(MR.strings.parental_controls_info)),
+                    Preference.PreferenceItem.InfoPreference(stringResource(MR.strings.content_warnings_info)),
                 ),
             ),
         )

app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionLoader.kt

@@ -20,6 +20,7 @@ import kotlinx.coroutines.runBlocking
 import logcat.LogPriority
 import mihon.app.di.appGraph
 import mihon.data.dalvik.DelegateLastClassLoaderCompat
+import mihon.domain.extension.model.ContentWarning
 import tachiyomi.core.common.util.system.logcat
 import java.io.File
 
@@ -222,7 +223,7 @@ internal object ExtensionLoader {
      */
     private suspend fun loadExtension(context: Context, extensionInfo: ExtensionInfo): LoadResult {
         val trustExtension: TrustExtension = context.appGraph.trustExtension
-        val loadNsfwSource: Boolean = context.appGraph.sourcePreferences.showNsfwSource.get()
+        val enabledContentWarnings = context.appGraph.sourcePreferences.enabledContentWarnings.get()
 
         val pkgManager = context.packageManager
         val pkgInfo = extensionInfo.packageInfo
@@ -269,10 +270,19 @@ internal object ExtensionLoader {
             return LoadResult.Untrusted(extension)
         }
 
-        val isNsfw = appInfo.metaData.getInt(METADATA_CONTENT_WARNING) > 0 ||
+        val contentWarning = when {
-            appInfo.metaData.getInt(METADATA_NSFW) == 1
+            appInfo.metaData.containsKey(METADATA_CONTENT_WARNING) -> {
-        if (!loadNsfwSource && isNsfw) {
+                when (appInfo.metaData.getInt(METADATA_CONTENT_WARNING)) {
-            logcat(LogPriority.WARN) { "NSFW extension $pkgName not allowed" }
+                    1 -> ContentWarning.MIXED
+                    2 -> ContentWarning.NSFW
+                    else -> ContentWarning.SAFE
+                }
+            }
+            appInfo.metaData.getInt(METADATA_NSFW) == 1 -> ContentWarning.NSFW
+            else -> ContentWarning.SAFE
+        }
+        if (contentWarning !in enabledContentWarnings) {
+            logcat(LogPriority.WARN) { "Extension $pkgName with $contentWarning not allowed" }
             return LoadResult.Error
         }
 
@@ -320,7 +330,7 @@ internal object ExtensionLoader {
             versionCode = versionCode,
             libVersion = libVersion,
             lang = lang,
-            isNsfw = isNsfw,
+            contentWarning = contentWarning,
             sources = sources,
             pkgFactory = appInfo.metaData.getString(METADATA_SOURCE_FACTORY),
             icon = appInfo.loadIcon(pkgManager),

app/src/main/java/mihon/core/migration/migrations/ContentWarningMigration.kt

@@ -0,0 +1,31 @@
+package mihon.core.migration.migrations
+
+import dev.zacsweers.metro.AppScope
+import dev.zacsweers.metro.ContributesIntoSet
+import dev.zacsweers.metro.Inject
+import eu.kanade.domain.source.service.SourcePreferences
+import mihon.core.migration.Migration
+import mihon.core.migration.MigrationContext
+import mihon.domain.extension.model.ContentWarning
+import tachiyomi.core.common.preference.PreferenceStore
+
+@Inject
+@ContributesIntoSet(AppScope::class)
+class ContentWarningMigration(
+    private val preferenceStore: PreferenceStore,
+    private val sourcePreferences: SourcePreferences,
+) : Migration {
+    override val version: Float = 30f
+
+    override suspend fun invoke(migrationContext: MigrationContext): Boolean {
+        val showNsfwSource = preferenceStore.getBoolean("show_nsfw_source", true)
+        if (!showNsfwSource.isSet()) return true
+
+        if (!showNsfwSource.get()) {
+            sourcePreferences.enabledContentWarnings.set(setOf(ContentWarning.SAFE))
+        }
+        showNsfwSource.delete()
+
+        return true
+    }
+}

data/src/main/java/mihon/data/extension/model/NetworkExtensionStore.kt

@@ -8,6 +8,7 @@ import mihon.data.extension.model.NetworkExtensionStore.ContentWarning
 import mihon.data.extension.model.NetworkExtensionStore.ExtensionList
 import mihon.domain.extension.model.ExtensionStore
 import eu.kanade.tachiyomi.extension.model.Extension as TachiyomiExtension
+import mihon.domain.extension.model.ContentWarning as DomainContentWarning
 
 @SuppressLint("UnsafeOptInUsageError")
 @Serializable
@@ -104,7 +105,12 @@ fun ExtensionList.toAvailableExtensions(store: ExtensionStore): List<TachiyomiEx
             versionCode = extension.versionCode,
             versionName = extension.versionName,
             lang = if (lang.size == 1) lang.first() else "all",
-            isNsfw = extension.contentWarning >= ContentWarning.MIXED,
+            contentWarning = when (extension.contentWarning) {
+                ContentWarning.SAFE -> DomainContentWarning.SAFE
+                ContentWarning.MIXED -> DomainContentWarning.MIXED
+                ContentWarning.NSFW -> DomainContentWarning.NSFW
+                else -> DomainContentWarning.SAFE
+            },
             sources = extension.sources.map { source ->
                 TachiyomiExtension.Available.Source(
                     id = source.id,

data/src/main/java/mihon/data/extension/model/NetworkLegacyExtension.kt

@@ -3,6 +3,7 @@ package mihon.data.extension.model
 import android.annotation.SuppressLint
 import eu.kanade.tachiyomi.extension.model.Extension
 import kotlinx.serialization.Serializable
+import mihon.domain.extension.model.ContentWarning
 import mihon.domain.extension.model.ExtensionStore
 
 @SuppressLint("UnsafeOptInUsageError")
@@ -35,7 +36,7 @@ data class NetworkLegacyExtension(
             versionCode = code,
             versionName = version,
             lang = lang,
-            isNsfw = nsfw == 1,
+            contentWarning = if (nsfw == 1) ContentWarning.NSFW else ContentWarning.SAFE,
             sources = if (sources.isNullOrEmpty()) {
                 listOf(
                     Extension.Available.Source(

domain/src/main/java/eu/kanade/tachiyomi/extension/model/Extension.kt

@@ -2,6 +2,7 @@ package eu.kanade.tachiyomi.extension.model
 
 import android.graphics.drawable.Drawable
 import eu.kanade.tachiyomi.source.Source
+import mihon.domain.extension.model.ContentWarning
 import mihon.domain.extension.model.ExtensionStore
 import tachiyomi.domain.source.model.StubSource
 
@@ -13,7 +14,7 @@ sealed class Extension {
     abstract val versionCode: Long
     abstract val libVersion: Double
     abstract val lang: String?
-    abstract val isNsfw: Boolean
+    abstract val contentWarning: ContentWarning
 
     data class Installed(
         override val name: String,
@@ -22,7 +23,7 @@ sealed class Extension {
         override val versionCode: Long,
         override val libVersion: Double,
         override val lang: String,
-        override val isNsfw: Boolean,
+        override val contentWarning: ContentWarning,
         val pkgFactory: String?,
         val sources: List<Source>,
         val icon: Drawable?,
@@ -39,7 +40,7 @@ sealed class Extension {
         override val versionCode: Long,
         override val libVersion: Double,
         override val lang: String,
-        override val isNsfw: Boolean,
+        override val contentWarning: ContentWarning,
         val sources: List<Source>,
         val apkUrl: String,
         val iconUrl: String,
@@ -70,6 +71,6 @@ sealed class Extension {
         override val libVersion: Double,
         val signatureHash: String,
         override val lang: String? = null,
-        override val isNsfw: Boolean = false,
+        override val contentWarning: ContentWarning = ContentWarning.SAFE,
     ) : Extension()
 }

domain/src/main/java/mihon/domain/extension/model/ContentWarning.kt

@@ -0,0 +1,7 @@
+package mihon.domain.extension.model
+
+enum class ContentWarning {
+    SAFE,
+    MIXED,
+    NSFW,
+}

i18n/src/commonMain/moko-resources/base/strings.xml

@@ -266,9 +266,9 @@
     <string name="secure_screen_summary">Secure screen hides app contents when switching apps and block screenshots</string>
     <string name="firebase_summary">Sending crash logs and analytics will allow us to identify and fix issues, improve performance, and make future updates more relevant to your needs</string>
 
-    <string name="pref_category_nsfw_content">NSFW (18+) sources</string>
+    <string name="pref_category_extensions">Extensions</string>
-    <string name="pref_show_nsfw_source">Show in sources and extensions lists</string>
+    <string name="pref_allowed_content_warnings">Allowed content warnings</string>
-    <string name="parental_controls_info">This does not prevent unofficial or potentially incorrectly flagged extensions from surfacing NSFW (18+) content within the app.</string>
+    <string name="content_warnings_info">Requires app restart to take effect. Extensions that aren\'t loaded won\'t provide their sources anywhere in the app. This does not prevent unofficial or potentially incorrectly flagged extensions from surfacing 18+ content within the app.</string>
 
     <string name="relative_time_today">Today</string>
 
@@ -349,9 +349,12 @@
     <string name="extension_api_error">Failed to fetch available extensions</string>
     <string name="ext_info_version">Version</string>
     <string name="ext_info_language">Language</string>
-    <string name="ext_info_age_rating">Age rating</string>
+    <string name="ext_info_warning">Warning</string>
-    <string name="ext_nsfw_short">18+</string>
+    <string name="ext_content_warning_safe">Safe</string>
-    <string name="ext_nsfw_warning">Sources from this extension may contain NSFW (18+) content</string>
+    <string name="ext_content_warning_mixed">Mixed</string>
+    <string name="ext_content_warning_nsfw">18+</string>
+    <string name="ext_content_warning_mixed_description">Sources from this extension might contain both safe and 18+ content.</string>
+    <string name="ext_content_warning_nsfw_description">Sources from this extension are primarily focused on 18+ content.</string>
     <string name="ext_permission_install_apps_warning">Permissions are needed to install extensions. Tap here to grant.</string>
     <string name="ext_install_service_notif">Installing extension…</string>
     <string name="ext_installer_pref">Installer</string>