MangaCoverFetcher: Small cleanups

Co-authored-by: Ivan Iskandar <12537387+ivaniskandar@users.noreply.github.com>

app/src/main/java/eu/kanade/tachiyomi/App.kt

@@ -17,8 +17,6 @@ import androidx.lifecycle.ProcessLifecycleOwner
 import androidx.lifecycle.lifecycleScope
 import coil3.ImageLoader
 import coil3.SingletonImageLoader
-import coil3.disk.DiskCache
-import coil3.disk.directory
 import coil3.network.okhttp.OkHttpNetworkFetcherFactory
 import coil3.request.allowRgb565
 import coil3.request.crossfade
@@ -157,16 +155,14 @@ class App : Application(), DefaultLifecycleObserver, SingletonImageLoader.Factor
     override fun newImageLoader(context: Context): ImageLoader {
         return ImageLoader.Builder(this).apply {
             val callFactoryLazy = lazy { Injekt.get<NetworkHelper>().client }
-            val diskCacheLazy = lazy { CoilDiskCache.get(this@App) }
             components {
                 add(OkHttpNetworkFetcherFactory(callFactoryLazy::value))
                 add(TachiyomiImageDecoder.Factory())
-                add(MangaCoverFetcher.MangaFactory(callFactoryLazy, diskCacheLazy))
+                add(MangaCoverFetcher.MangaFactory(callFactoryLazy))
-                add(MangaCoverFetcher.MangaCoverFactory(callFactoryLazy, diskCacheLazy))
+                add(MangaCoverFetcher.MangaCoverFactory(callFactoryLazy))
                 add(MangaKeyer())
                 add(MangaCoverKeyer())
             }
-            diskCache(diskCacheLazy::value)
             crossfade((300 * this@App.animatorDurationScale).toInt())
             allowRgb565(DeviceUtil.isLowRamDevice(this@App))
             if (networkPreferences.verboseLogging().get()) logger(DebugLogger())
@@ -240,24 +236,3 @@ class App : Application(), DefaultLifecycleObserver, SingletonImageLoader.Factor
 }
 
 private const val ACTION_DISABLE_INCOGNITO_MODE = "tachi.action.DISABLE_INCOGNITO_MODE"
-
-/**
- * Direct copy of Coil's internal SingletonDiskCache so that [MangaCoverFetcher] can access it.
- */
-private object CoilDiskCache {
-
-    private const val FOLDER_NAME = "image_cache"
-    private var instance: DiskCache? = null
-
-    @Synchronized
-    fun get(context: Context): DiskCache {
-        return instance ?: run {
-            val safeCacheDir = context.cacheDir.apply { mkdirs() }
-            // Create the singleton disk cache instance.
-            DiskCache.Builder()
-                .directory(safeCacheDir.resolve(FOLDER_NAME))
-                .build()
-                .also { instance = it }
-        }
-    }
-}

app/src/main/java/eu/kanade/tachiyomi/data/coil/MangaCoverFetcher.kt

@@ -46,6 +46,7 @@ import java.io.IOException
  * Available request parameter:
  * - [USE_CUSTOM_COVER_KEY]: Use custom cover if set by user, default is true
  */
+@Suppress("LongParameterList")
 class MangaCoverFetcher(
     private val url: String?,
     private val isLibraryManga: Boolean,
@@ -55,7 +56,7 @@ class MangaCoverFetcher(
     private val diskCacheKeyLazy: Lazy<String>,
     private val sourceLazy: Lazy<HttpSource?>,
     private val callFactoryLazy: Lazy<Call.Factory>,
-    private val diskCacheLazy: Lazy<DiskCache>,
+    private val imageLoader: ImageLoader,
 ) : Fetcher {
 
     private val diskCacheKey: String
@@ -207,7 +208,7 @@ class MangaCoverFetcher(
     private fun moveSnapshotToCoverCache(snapshot: DiskCache.Snapshot, cacheFile: File?): File? {
         if (cacheFile == null) return null
         return try {
-            diskCacheLazy.value.run {
+            imageLoader.diskCache?.run {
                 fileSystem.source(snapshot.data).use { input ->
                     writeSourceToCoverCache(input, cacheFile)
                 }
@@ -248,7 +249,7 @@ class MangaCoverFetcher(
 
     private fun readFromDiskCache(): DiskCache.Snapshot? {
         return if (options.diskCachePolicy.readEnabled) {
-            diskCacheLazy.value.openSnapshot(diskCacheKey)
+            imageLoader.diskCache?.openSnapshot(diskCacheKey)
         } else {
             null
         }
@@ -257,9 +258,10 @@ class MangaCoverFetcher(
     private fun writeToDiskCache(
         response: Response,
     ): DiskCache.Snapshot? {
-        val editor = diskCacheLazy.value.openEditor(diskCacheKey) ?: return null
+        val diskCache = imageLoader.diskCache
+        val editor = diskCache?.openEditor(diskCacheKey) ?: return null
         try {
-            diskCacheLazy.value.fileSystem.write(editor.data) {
+            diskCache.fileSystem.write(editor.data) {
                 response.body.source().readAll(this)
             }
             return editor.commitAndOpenSnapshot()
@@ -299,7 +301,6 @@ class MangaCoverFetcher(
 
     class MangaFactory(
         private val callFactoryLazy: Lazy<Call.Factory>,
-        private val diskCacheLazy: Lazy<DiskCache>,
     ) : Fetcher.Factory<Manga> {
 
         private val coverCache: CoverCache by injectLazy()
@@ -312,17 +313,16 @@ class MangaCoverFetcher(
                 options = options,
                 coverFileLazy = lazy { coverCache.getCoverFile(data.thumbnailUrl) },
                 customCoverFileLazy = lazy { coverCache.getCustomCoverFile(data.id) },
-                diskCacheKeyLazy = lazy { MangaKeyer().key(data, options) },
+                diskCacheKeyLazy = lazy { imageLoader.components.key(data, options)!! },
                 sourceLazy = lazy { sourceManager.get(data.source) as? HttpSource },
                 callFactoryLazy = callFactoryLazy,
-                diskCacheLazy = diskCacheLazy,
+                imageLoader = imageLoader,
             )
         }
     }
 
     class MangaCoverFactory(
         private val callFactoryLazy: Lazy<Call.Factory>,
-        private val diskCacheLazy: Lazy<DiskCache>,
     ) : Fetcher.Factory<MangaCover> {
 
         private val coverCache: CoverCache by injectLazy()
@@ -335,10 +335,10 @@ class MangaCoverFetcher(
                 options = options,
                 coverFileLazy = lazy { coverCache.getCoverFile(data.url) },
                 customCoverFileLazy = lazy { coverCache.getCustomCoverFile(data.mangaId) },
-                diskCacheKeyLazy = lazy { MangaCoverKeyer().key(data, options) },
+                diskCacheKeyLazy = lazy { imageLoader.components.key(data, options)!! },
                 sourceLazy = lazy { sourceManager.get(data.sourceId) as? HttpSource },
                 callFactoryLazy = callFactoryLazy,
-                diskCacheLazy = diskCacheLazy,
+                imageLoader = imageLoader,
             )
         }
     }