Fix directories manage screen

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/DirectoryModel.kt

@@ -9,9 +9,11 @@ data class DirectoryModel(
 	val title: String?,
 	@StringRes val titleRes: Int,
 	val file: File?,
+	val isRemovable: Boolean,
 	val isChecked: Boolean,
 	val isAvailable: Boolean,
 ) : ListModel {
+
 	override fun areItemsTheSame(other: ListModel): Boolean {
 		return other is DirectoryModel && other.file == file && other.title == title && other.titleRes == titleRes
 	}

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/MangaDirectorySelectViewModel.kt

@@ -64,6 +64,7 @@ class MangaDirectorySelectViewModel @Inject constructor(
 						file = dir,
 						isChecked = dir == defaultValue,
 						isAvailable = true,
+						isRemovable = false,
 					)
 				}
 				this += DirectoryModel(
@@ -72,6 +73,7 @@ class MangaDirectorySelectViewModel @Inject constructor(
 					file = null,
 					isChecked = false,
 					isAvailable = true,
+					isRemovable = false,
 				)
 			}
 		}

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/directories/DirectoryConfigAD.kt

@@ -21,11 +21,16 @@ fun directoryConfigAD(
 	bind {
 		binding.textViewTitle.text = item.title ?: getString(item.titleRes)
 		binding.textViewSubtitle.textAndVisible = item.file?.absolutePath
-		binding.imageViewRemove.isVisible = item.isChecked
-		binding.textViewTitle.drawableStart = if (item.isAvailable) {
-			null
+		binding.imageViewRemove.isVisible = item.isRemovable
+		binding.imageViewRemove.isEnabled = !item.isChecked
+		binding.textViewTitle.drawableStart = if (!item.isAvailable) {
+			ContextCompat.getDrawable(context, R.drawable.ic_alert_outline)?.apply {
+				setTint(ContextCompat.getColor(context, R.color.warning))
+			}
+		} else if (item.isChecked) {
+			ContextCompat.getDrawable(context, R.drawable.ic_download)
 		} else {
-			ContextCompat.getDrawable(context, R.drawable.ic_alert_outline)
+			null
 		}
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/directories/MangaDirectoriesViewModel.kt

@@ -59,16 +59,18 @@ class MangaDirectoriesViewModel @Inject constructor(
 		val prevJob = loadingJob
 		loadingJob = launchJob(Dispatchers.Default) {
 			prevJob?.cancelAndJoin()
+			val downloadDir = storageManager.getDefaultWriteableDir()
 			val applicationDirs = storageManager.getApplicationStorageDirs()
-			val customDirs = settings.userSpecifiedMangaDirectories
+			val customDirs = settings.userSpecifiedMangaDirectories - applicationDirs
 			items.value = buildList(applicationDirs.size + customDirs.size) {
 				applicationDirs.mapTo(this) { dir ->
 					DirectoryModel(
 						title = storageManager.getDirectoryDisplayName(dir, isFullPath = false),
 						titleRes = 0,
 						file = dir,
-						isChecked = false,
+						isChecked = dir == downloadDir,
 						isAvailable = dir.canRead() && dir.canWrite(),
+						isRemovable = false,
 					)
 				}
 				customDirs.mapTo(this) { dir ->
@@ -76,8 +78,9 @@ class MangaDirectoriesViewModel @Inject constructor(
 						title = storageManager.getDirectoryDisplayName(dir, isFullPath = false),
 						titleRes = 0,
 						file = dir,
-						isChecked = true,
+						isChecked = dir == downloadDir,
 						isAvailable = dir.canRead() && dir.canWrite(),
+						isRemovable = true,
 					)
 				}
 			}

app/src/main/res/layout/item_storage_config.xml

@@ -27,7 +27,6 @@
 			android:gravity="center_vertical"
 			android:singleLine="true"
 			android:textAppearance="?attr/textAppearanceTitleSmall"
-			app:drawableTint="@color/warning"
 			tools:drawableStart="@drawable/ic_alert_outline"
 			tools:text="@tools:sample/lorem[3]" />