Import backup from import dialog

app/src/main/java/org/koitharu/kotatsu/local/ui/ImportDialogFragment.kt

@@ -12,6 +12,8 @@ import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.ui.AlertDialogFragment
 import org.koitharu.kotatsu.databinding.DialogImportBinding
+import org.koitharu.kotatsu.settings.backup.BackupDialogFragment
+import org.koitharu.kotatsu.settings.backup.RestoreDialogFragment
 
 class ImportDialogFragment : AlertDialogFragment<DialogImportBinding>(), View.OnClickListener {
 
@@ -21,6 +23,9 @@ class ImportDialogFragment : AlertDialogFragment<DialogImportBinding>(), View.On
 	private val importDirCall = registerForActivityResult(ActivityResultContracts.OpenDocumentTree()) {
 		startImport(listOfNotNull(it))
 	}
+	private val backupSelectCall = registerForActivityResult(ActivityResultContracts.OpenDocument()) {
+		restoreBackup(it)
+	}
 
 	override fun onInflateView(inflater: LayoutInflater, container: ViewGroup?): DialogImportBinding {
 		return DialogImportBinding.inflate(inflater, container, false)
@@ -37,12 +42,14 @@ class ImportDialogFragment : AlertDialogFragment<DialogImportBinding>(), View.On
 		super.onViewCreated(view, savedInstanceState)
 		binding.buttonDir.setOnClickListener(this)
 		binding.buttonFile.setOnClickListener(this)
+		binding.buttonBackup.setOnClickListener(this)
 	}
 
 	override fun onClick(v: View) {
 		when (v.id) {
 			R.id.button_file -> importFileCall.launch(arrayOf("*/*"))
 			R.id.button_dir -> importDirCall.launch(null)
+			R.id.button_backup -> backupSelectCall.launch(arrayOf("*/*"))
 		}
 	}
 
@@ -56,6 +63,12 @@ class ImportDialogFragment : AlertDialogFragment<DialogImportBinding>(), View.On
 		dismiss()
 	}
 
+	private fun restoreBackup(uri: Uri?) {
+		RestoreDialogFragment.newInstance(uri ?: return)
+			.show(parentFragmentManager, BackupDialogFragment.TAG)
+		dismiss()
+	}
+
 	companion object {
 
 		private const val TAG = "ImportDialogFragment"

app/src/main/java/org/koitharu/kotatsu/utils/ext/ViewExt.kt

@@ -165,6 +165,9 @@ fun RecyclerView.invalidateNestedItemDecorations() {
 	}
 }
 
+val View.parentView: ViewGroup?
+	get() = parent as? ViewGroup
+
 val View.parents: Sequence<ViewParent>
 	get() = sequence {
 		var p: ViewParent? = parent

app/src/main/res/drawable/ic_backup_restore.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:width="24dp"
+	android:height="24dp"
+	android:tint="?attr/colorControlNormal"
+	android:viewportWidth="24"
+	android:viewportHeight="24">
+	<path
+		android:fillColor="#000000"
+		android:pathData="M12,3A9,9 0 0,0 3,12H0L4,16L8,12H5A7,7 0 0,1 12,5A7,7 0 0,1 19,12A7,7 0 0,1 12,19C10.5,19 9.09,18.5 7.94,17.7L6.5,19.14C8.04,20.3 9.94,21 12,21A9,9 0 0,0 21,12A9,9 0 0,0 12,3M14,12A2,2 0 0,0 12,10A2,2 0 0,0 10,12A2,2 0 0,0 12,14A2,2 0 0,0 14,12Z" />
+</vector>

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

@@ -32,4 +32,21 @@
 		app:subtitle="@string/folder_with_images_import_description"
 		app:title="@string/folder_with_images" />
 
+	<com.google.android.material.divider.MaterialDivider
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:layout_marginVertical="4dp" />
+
+	<org.koitharu.kotatsu.base.ui.widgets.TwoLinesItemView
+		android:id="@+id/button_backup"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:drawablePadding="?android:listPreferredItemPaddingStart"
+		android:minHeight="?android:listPreferredItemHeightSmall"
+		android:paddingStart="?android:listPreferredItemPaddingStart"
+		android:paddingEnd="?android:listPreferredItemPaddingEnd"
+		app:icon="@drawable/ic_backup_restore"
+		app:subtitle="@string/restore_backup_description"
+		app:title="@string/restore_backup" />
+
 </LinearLayout>

app/src/main/res/values/strings.xml

@@ -431,4 +431,5 @@
 	<string name="comics_archive_import_description">You can select one or more .cbz or .zip files, each file will be recognized as a separate manga.</string>
 	<string name="folder_with_images_import_description">You can select a directory with archives or images. Each archive (or subdirectory) will be recognized as a chapter.</string>
 	<string name="speed">Speed</string>
+	<string name="restore_backup_description">Import a previously created backup of user data</string>
 </resources>