Fixed cover being fetched multiple times on update

Should fix bad caching of images as well

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryGridHolder.kt

@@ -81,7 +81,7 @@ class LibraryGridHolder(
     private fun setCover(manga: Manga, id: Long) {
         if ((adapter.recyclerView.context as? Activity)?.isDestroyed == true) return
         GlideApp.with(adapter.recyclerView.context).load(manga)
-            .diskCacheStrategy(DiskCacheStrategy.AUTOMATIC)
+            .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
             .signature(ObjectKey(MangaImpl.getLastCoverFetch(id).toString()))
             .apply {
                 if (fixedSize) centerCrop()

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsController.kt

@@ -368,8 +368,9 @@ class MangaDetailsController : BaseController,
     /** Get the color of the manga cover based on the current theme */
     fun setPaletteColor() {
         val view = view ?: return
+        coverColor = null
         GlideApp.with(view.context).load(manga)
-            .diskCacheStrategy(DiskCacheStrategy.AUTOMATIC)
+            .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
             .signature(ObjectKey(MangaImpl.getLastCoverFetch(manga!!.id!!).toString()))
             .into(object : CustomTarget<Drawable>() {
                 override fun onResourceReady(
@@ -390,6 +391,7 @@ class MangaDetailsController : BaseController,
                         }
                         coverColor = backDropColor
                         getHeader()?.setBackDrop(backDropColor)
+                        getHeader()?.updateCover(presenter.manga, resource)
                         if (toolbarIsColored) {
                             val translucentColor = ColorUtils.setAlphaComponent(backDropColor, 175)
                             (activity as MainActivity).toolbar.setBackgroundColor(translucentColor)

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaHeaderHolder.kt

@@ -3,6 +3,7 @@ package eu.kanade.tachiyomi.ui.manga
 import android.annotation.SuppressLint
 import android.content.res.ColorStateList
 import android.graphics.Color
+import android.graphics.drawable.Drawable
 import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
@@ -255,12 +256,7 @@ class MangaHeaderHolder(
         }
 
         if (!manga.initialized) return
-        GlideApp.with(view.context).load(manga).diskCacheStrategy(DiskCacheStrategy.AUTOMATIC)
-            .signature(ObjectKey(MangaImpl.getLastCoverFetch(manga.id!!).toString()))
-            .into(manga_cover)
-        GlideApp.with(view.context).load(manga).diskCacheStrategy(DiskCacheStrategy.AUTOMATIC)
-            .signature(ObjectKey(MangaImpl.getLastCoverFetch(manga.id!!).toString())).centerCrop()
-            .transition(DrawableTransitionOptions.withCrossFade()).into(backdrop)
+        updateCover(manga)
     }
 
     private fun MaterialButton.checked(checked: Boolean) {
@@ -312,6 +308,18 @@ class MangaHeaderHolder(
         }
     }
 
+    fun updateCover(manga: Manga, cover: Drawable? = null) {
+        if (adapter.delegate.coverColor() == null) return
+        GlideApp.with(view.context).load(cover ?: manga)
+            .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
+            .signature(ObjectKey(MangaImpl.getLastCoverFetch(manga.id!!).toString()))
+            .into(manga_cover)
+        GlideApp.with(view.context).load(cover ?: manga)
+            .diskCacheStrategy(DiskCacheStrategy.RESOURCE)
+            .signature(ObjectKey(MangaImpl.getLastCoverFetch(manga.id!!).toString())).centerCrop()
+            .transition(DrawableTransitionOptions.withCrossFade()).into(backdrop)
+    }
+
     fun expand() {
         sub_item_group.visible()
         if (!showMoreButton) more_button_group.gone()

app/src/main/java/eu/kanade/tachiyomi/ui/recents/RecentMangaHolder.kt

@@ -71,7 +71,7 @@ class RecentMangaHolder(
             )
         }
         GlideApp.with(itemView.context).load(item.mch.manga).diskCacheStrategy(DiskCacheStrategy
-            .AUTOMATIC)
+            .RESOURCE)
             .signature(ObjectKey(MangaImpl.getLastCoverFetch(item.mch.manga.id!!).toString())).into(cover_thumbnail)
         notifyStatus(
             if (adapter.isSelected(adapterPosition)) Download.CHECKED else item.status,