wip

Signed-off-by: alperozturk96 <alper_ozturk@proton.me>

Author: alperozturk96

app/src/main/java/com/nextcloud/client/preferences/AppPreferencesImpl.java

@@ -338,6 +338,7 @@ public String[] getPassCode() {
     @Override
     public String getFolderLayout(FolderLayout layout) {
         if (layout instanceof FolderLayout.Child child) {
+            // keep existing logic for child directories
             return getFolderPreference(context,
                                        userAccountManager.getUser(),
                                        layout.getKey(),
@@ -364,6 +365,7 @@ public void setFolderLayout(FolderLayout layout, String layoutName) {
             return;
         }
 
+        // only use new way for root shared, favorite and all files
         preferences.edit()
             .putString(layout.getPrefKey(userAccountManager.getUser()), layoutName)
             .apply();

app/src/main/java/com/owncloud/android/ui/fragment/FolderLayout.kt

@@ -10,12 +10,25 @@ package com.owncloud.android.ui.fragment
 import com.nextcloud.client.account.User
 import com.owncloud.android.datamodel.OCFile
 
+/**
+ * AllFiles, Favorites and Shared represents only for root of them
+ * Child is valid for any child directory of all files, favorites or shared.
+ *
+ * Important:
+ * Do not change key to not lose data.
+ */
 sealed class FolderLayout(val key: String) {
-    data object Shared : FolderLayout("shared_folder_layout")
-    data object Favorites : FolderLayout("favorite_folder_layout")
     data object AllFiles : FolderLayout("all_files_folder_layout")
+    data object Favorites : FolderLayout("favorite_folder_layout")
+    data object Shared : FolderLayout("shared_folder_layout")
     data class Child(val folder: OCFile) : FolderLayout("folder_layout")
 
+    /**
+     * Returns shared pref key only child uses key without user so that we dont lose
+     * previous information.
+     *
+     * User is needed since multiple account can be used.
+     */
     fun getPrefKey(user: User): String {
         if (this is Child) {
             return key