Add option to enable incognito mode per extension (#157)

* add per Extension Incognito Mode

* migrate incognito sources when extension is updated

* remove incognito sources when extension is uninstalled

* remove not used variable

* address change requests

address change requests

* Rebase and cleanup code

---------

Co-authored-by: AntsyLich <59261191+AntsyLich@users.noreply.github.com>

app/src/main/java/eu/kanade/domain/source/interactor/GetIncognitoState.kt

@@ -0,0 +1,35 @@
+package eu.kanade.domain.source.interactor
+
+import eu.kanade.domain.base.BasePreferences
+import eu.kanade.domain.source.service.SourcePreferences
+import eu.kanade.tachiyomi.extension.ExtensionManager
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.distinctUntilChanged
+
+class GetIncognitoState(
+    private val basePreferences: BasePreferences,
+    private val sourcePreferences: SourcePreferences,
+    private val extensionManager: ExtensionManager,
+) {
+    fun await(sourceId: Long?): Boolean {
+        if (basePreferences.incognitoMode().get()) return true
+        if (sourceId == null) return false
+        val extensionPackage = extensionManager.getExtensionPackage(sourceId) ?: return false
+
+        return extensionPackage in sourcePreferences.incognitoExtensions().get()
+    }
+
+    fun subscribe(sourceId: Long?): Flow<Boolean> {
+        if (sourceId == null) return basePreferences.incognitoMode().changes()
+
+        return combine(
+            basePreferences.incognitoMode().changes(),
+            sourcePreferences.incognitoExtensions().changes(),
+            extensionManager.getExtensionPackageAsFlow(sourceId),
+        ) { incognito, incognitoExtensions, extensionPackage ->
+            incognito || (extensionPackage in incognitoExtensions)
+        }
+            .distinctUntilChanged()
+    }
+}

app/src/main/java/eu/kanade/domain/source/interactor/ToggleIncognito.kt

@@ -0,0 +1,14 @@
+package eu.kanade.domain.source.interactor
+
+import eu.kanade.domain.source.service.SourcePreferences
+import tachiyomi.core.common.preference.getAndSet
+
+class ToggleIncognito(
+    private val preferences: SourcePreferences,
+) {
+    fun await(extensions: String, enable: Boolean) {
+        preferences.incognitoExtensions().getAndSet {
+            if (enable) it.plus(extensions) else it.minus(extensions)
+        }
+    }
+}

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

@@ -22,6 +22,8 @@ class SourcePreferences(
 
     fun disabledSources() = preferenceStore.getStringSet("hidden_catalogues", emptySet())
 
+    fun incognitoExtensions() = preferenceStore.getStringSet("incognito_extensions", emptySet())
+
     fun pinnedSources() = preferenceStore.getStringSet("pinned_catalogues", emptySet())
 
     fun lastUsedSource() = preferenceStore.getLong(