Use Coil (#4870)

* Use Coil

* Remove coil-transformations lib

* Add MangaCoverFetcher

* Remove Glide

* MangaCoverFetcher: Allow skipping custom cover usage

* Adjust coil caching policy for some non-library items

* Allow coil to use RGB565 only on low ram devices

* Fix image loading progress view not showing

a

* Increase coil crossfade duration

Same as default glide duration

* Add back request clearing

app/src/main/java/eu/kanade/tachiyomi/data/cache/CoverCache.kt

@@ -1,6 +1,7 @@
 package eu.kanade.tachiyomi.data.cache
 
 import android.content.Context
+import coil.imageLoader
 import eu.kanade.tachiyomi.data.database.models.Manga
 import eu.kanade.tachiyomi.util.storage.DiskUtil
 import java.io.File
@@ -99,6 +100,13 @@ class CoverCache(private val context: Context) {
         }
     }
 
+    /**
+     * Clear coil's memory cache.
+     */
+    fun clearMemoryCache() {
+        context.imageLoader.memoryCache.clear()
+    }
+
     private fun getCacheDir(dir: String): File {
         return context.getExternalFilesDir(dir)
             ?: File(context.filesDir, dir).also { it.mkdirs() }