537: move browse target resolver to dedicated file

Author: ryacub

app/src/main/java/eu/kanade/tachiyomi/ui/browse/BrowseReselectTargetResolver.kt

@@ -0,0 +1,57 @@
+package eu.kanade.tachiyomi.ui.browse
+
+import java.util.concurrent.atomic.AtomicReference
+
+internal enum class BrowseSearchTarget {
+    ANIME,
+    MANGA,
+    UNKNOWN,
+}
+
+internal class BrowseReselectTargetResolver(
+    initialSearchTarget: BrowseSearchTarget = BrowseSearchTarget.UNKNOWN,
+) {
+    private val lastKnownSearchTarget = AtomicReference(initialSearchTarget)
+
+    fun updateForPage(page: Int) {
+        lastKnownSearchTarget.updateAndGet { current ->
+            updateBrowseSearchTarget(current, page)
+        }
+    }
+
+    fun resolvedTarget(): BrowseSearchTarget {
+        return resolveBrowseReselectTarget(lastKnownSearchTarget.get())
+    }
+}
+
+private const val ANIME_SOURCES_PAGE = 0
+private const val MANGA_SOURCES_PAGE = 1
+private const val ANIME_EXTENSIONS_PAGE = 2
+private const val MANGA_EXTENSIONS_PAGE = 3
+private const val ANIME_MIGRATION_PAGE = 4
+private const val MANGA_MIGRATION_PAGE = 5
+
+internal fun browseSearchTargetForPage(page: Int): BrowseSearchTarget {
+    return when (page) {
+        ANIME_SOURCES_PAGE, ANIME_EXTENSIONS_PAGE, ANIME_MIGRATION_PAGE -> BrowseSearchTarget.ANIME
+        MANGA_SOURCES_PAGE, MANGA_EXTENSIONS_PAGE, MANGA_MIGRATION_PAGE -> BrowseSearchTarget.MANGA
+        else -> BrowseSearchTarget.UNKNOWN
+    }
+}
+
+internal fun updateBrowseSearchTarget(
+    lastKnownSearchTarget: BrowseSearchTarget,
+    page: Int,
+): BrowseSearchTarget {
+    return when (val pageTarget = browseSearchTargetForPage(page)) {
+        BrowseSearchTarget.UNKNOWN -> lastKnownSearchTarget
+        else -> pageTarget
+    }
+}
+
+internal fun resolveBrowseReselectTarget(lastKnownSearchTarget: BrowseSearchTarget): BrowseSearchTarget {
+    return when (lastKnownSearchTarget) {
+        BrowseSearchTarget.UNKNOWN -> BrowseSearchTarget.ANIME
+        else -> lastKnownSearchTarget
+    }
+}

app/src/main/java/eu/kanade/tachiyomi/ui/browse/BrowseTab.kt

@@ -40,7 +40,6 @@ import tachiyomi.i18n.MR
 import tachiyomi.presentation.core.i18n.stringResource
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
-import java.util.concurrent.atomic.AtomicReference
 
 data object BrowseTab : Tab {
 
@@ -144,57 +143,3 @@ data object BrowseTab : Tab {
 internal fun shouldShowNovelSourcesTab(uiState: LightNovelPluginUiState): Boolean {
     return uiState is LightNovelPluginUiState.Ready
 }
-
-internal enum class BrowseSearchTarget {
-    ANIME,
-    MANGA,
-    UNKNOWN,
-}
-
-internal class BrowseReselectTargetResolver(
-    initialSearchTarget: BrowseSearchTarget = BrowseSearchTarget.UNKNOWN,
-) {
-    private val lastKnownSearchTarget = AtomicReference(initialSearchTarget)
-
-    fun updateForPage(page: Int) {
-        lastKnownSearchTarget.updateAndGet { current ->
-            updateBrowseSearchTarget(current, page)
-        }
-    }
-
-    fun resolvedTarget(): BrowseSearchTarget {
-        return resolveBrowseReselectTarget(lastKnownSearchTarget.get())
-    }
-}
-
-private const val ANIME_SOURCES_PAGE = 0
-private const val MANGA_SOURCES_PAGE = 1
-private const val ANIME_EXTENSIONS_PAGE = 2
-private const val MANGA_EXTENSIONS_PAGE = 3
-private const val ANIME_MIGRATION_PAGE = 4
-private const val MANGA_MIGRATION_PAGE = 5
-
-internal fun browseSearchTargetForPage(page: Int): BrowseSearchTarget {
-    return when (page) {
-        ANIME_SOURCES_PAGE, ANIME_EXTENSIONS_PAGE, ANIME_MIGRATION_PAGE -> BrowseSearchTarget.ANIME
-        MANGA_SOURCES_PAGE, MANGA_EXTENSIONS_PAGE, MANGA_MIGRATION_PAGE -> BrowseSearchTarget.MANGA
-        else -> BrowseSearchTarget.UNKNOWN
-    }
-}
-
-internal fun updateBrowseSearchTarget(
-    lastKnownSearchTarget: BrowseSearchTarget,
-    page: Int,
-): BrowseSearchTarget {
-    return when (val pageTarget = browseSearchTargetForPage(page)) {
-        BrowseSearchTarget.UNKNOWN -> lastKnownSearchTarget
-        else -> pageTarget
-    }
-}
-
-internal fun resolveBrowseReselectTarget(lastKnownSearchTarget: BrowseSearchTarget): BrowseSearchTarget {
-    return when (lastKnownSearchTarget) {
-        BrowseSearchTarget.UNKNOWN -> BrowseSearchTarget.ANIME
-        else -> lastKnownSearchTarget
-    }
-}