Allow user to load installed extensions regardless of content warning (#3952)

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

@@ -48,6 +48,11 @@ class SourcePreferences(
         setOf(ContentWarning.SAFE, ContentWarning.MIXED, ContentWarning.NSFW),
     )
 
+    val applyContentWarningsToInstalled: Preference<Boolean> = preferenceStore.getBoolean(
+        "apply_content_warnings_to_installed",
+        true,
+    )
+
     val migrationSortingMode: Preference<SetMigrateSorting.Mode> = preferenceStore.getEnum(
         "pref_migration_sorting",
         SetMigrateSorting.Mode.ALPHABETICAL,

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

@@ -81,6 +81,22 @@ object SettingsBrowseScreen : SearchableSettings {
                             }
                         },
                     ),
+                    Preference.PreferenceItem.SwitchPreference(
+                        preference = sourcePreferences.applyContentWarningsToInstalled,
+                        title = stringResource(MR.strings.pref_apply_content_warnings_to_installed),
+                        subtitle = stringResource(MR.strings.pref_apply_content_warnings_to_installed_summary),
+                        onValueChanged = { newValue ->
+                            if (newValue) {
+                                true
+                            } else {
+                                (context as FragmentActivity).authenticate(
+                                    title = context.stringResource(
+                                        MR.strings.pref_apply_content_warnings_to_installed,
+                                    ),
+                                )
+                            }
+                        },
+                    ),
                     Preference.PreferenceItem.InfoPreference(stringResource(MR.strings.content_warnings_info)),
                 ),
             ),

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

@@ -223,7 +223,9 @@ internal object ExtensionLoader {
      */
     private suspend fun loadExtension(context: Context, extensionInfo: ExtensionInfo): LoadResult {
         val trustExtension: TrustExtension = context.appGraph.trustExtension
-        val enabledContentWarnings = context.appGraph.sourcePreferences.enabledContentWarnings.get()
+        val sourcePreferences = context.appGraph.sourcePreferences
+        val enabledContentWarnings = sourcePreferences.enabledContentWarnings.get()
+        val applyContentWarningsToInstalled = sourcePreferences.applyContentWarningsToInstalled.get()
 
         val pkgManager = context.packageManager
         val pkgInfo = extensionInfo.packageInfo
@@ -281,7 +283,7 @@ internal object ExtensionLoader {
             appInfo.metaData.getInt(METADATA_NSFW) == 1 -> ContentWarning.NSFW
             else -> ContentWarning.SAFE
         }
-        if (contentWarning !in enabledContentWarnings) {
+        if (applyContentWarningsToInstalled && contentWarning !in enabledContentWarnings) {
             logcat(LogPriority.WARN) { "Extension $pkgName with $contentWarning not allowed" }
             return LoadResult.Error
         }

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

@@ -268,6 +268,8 @@
 
     <string name="pref_category_extensions">Extensions</string>
     <string name="pref_allowed_content_warnings">Allowed content warnings</string>
+    <string name="pref_apply_content_warnings_to_installed">Also apply to installed extensions</string>
+    <string name="pref_apply_content_warnings_to_installed_summary">When off, extensions you already installed keep loading and updating regardless of their warning</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>