Check parent folders too when displaying unhide warning

app/src/main/kotlin/com/simplemobiletools/gallery/pro/adapters/DirectoryAdapter.kt

@@ -305,7 +305,7 @@ class DirectoryAdapter(
                 }
             }
         } else {
-            if (selectedPaths.any { File(it).isHidden }) {
+            if (selectedPaths.any { it.isThisOrParentFolderHidden() }) {
                 ConfirmationDialog(activity, "", R.string.cant_unhide_folder, R.string.ok, 0) {}
                 return
             }

app/src/main/kotlin/com/simplemobiletools/gallery/pro/extensions/String.kt

@@ -91,3 +91,18 @@ fun String.getDistinctPath(): String {
 }
 
 fun String.isDownloadsFolder() = equals(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).toString(), true)
+
+fun String.isThisOrParentFolderHidden(): Boolean {
+    var curFile = File(this)
+    while (true) {
+        if (curFile.isHidden) {
+            return true
+        }
+
+        curFile = curFile.parentFile ?: break
+        if (curFile.absolutePath == "/") {
+            break
+        }
+    }
+    return false
+}