add remembering last copy path helpers

commons/src/main/kotlin/com/simplemobiletools/commons/extensions/Context-storage.kt

@@ -991,3 +991,19 @@ fun Context.getFileUrisFromFileDirItems(fileDirItems: List<FileDirItem>): List<U
 
     return fileUris
 }
+
+fun Context.getDefaultCopyDestinationPath(showHidden: Boolean, currentPath: String): String {
+    val lastCopyPath = baseConfig.lastCopyPath
+
+    return if (getDoesFilePathExist(lastCopyPath)) {
+        val isLastCopyPathVisible = !lastCopyPath.split(File.separator).any { it.startsWith(".") && it.length > 1 }
+
+        if (showHidden || isLastCopyPathVisible) {
+            lastCopyPath
+        } else {
+            currentPath
+        }
+    } else {
+        currentPath
+    }
+}

commons/src/main/kotlin/com/simplemobiletools/commons/helpers/BaseConfig.kt

@@ -195,6 +195,10 @@ open class BaseConfig(val context: Context) {
 
     fun getFolderProtectionType(path: String) = prefs.getInt("$PROTECTED_FOLDER_TYPE$path", PROTECTION_NONE)
 
+    var lastCopyPath: String
+        get() = prefs.getString(LAST_COPY_PATH, "")!!
+        set(lastCopyPath) = prefs.edit().putString(LAST_COPY_PATH, lastCopyPath).apply()
+
     var keepLastModified: Boolean
         get() = prefs.getBoolean(KEEP_LAST_MODIFIED, true)
         set(keepLastModified) = prefs.edit().putBoolean(KEEP_LAST_MODIFIED, keepLastModified).apply()

commons/src/main/kotlin/com/simplemobiletools/commons/helpers/Constants.kt

@@ -121,6 +121,7 @@ const val WAS_CUSTOM_THEME_SWITCH_DESCRIPTION_SHOWN = "was_custom_theme_switch_d
 const val SHOW_INFO_BUBBLE = "show_info_bubble"
 const val LAST_CONFLICT_RESOLUTION = "last_conflict_resolution"
 const val LAST_CONFLICT_APPLY_TO_ALL = "last_conflict_apply_to_all"
+const val LAST_COPY_PATH = "last_copy_path"
 const val HAD_THANK_YOU_INSTALLED = "had_thank_you_installed"
 const val SKIP_DELETE_CONFIRMATION = "skip_delete_confirmation"
 const val ENABLE_PULL_TO_REFRESH = "enable_pull_to_refresh"