From 7c3a5296ab7defe295d41f2233af2b9aa7b73db6 Mon Sep 17 00:00:00 2001
From: MediaPipe Team <mediapipe-team@google.com>
Date: Tue, 19 Dec 2023 13:45:20 -0800
Subject: [PATCH] Make DeletingFile movable.

PiperOrigin-RevId: 592332785
---
 mediapipe/framework/formats/deleting_file.cc | 15 +++++++++++++++
 mediapipe/framework/formats/deleting_file.h  |  5 +++++
 2 files changed, 20 insertions(+)

diff --git a/mediapipe/framework/formats/deleting_file.cc b/mediapipe/framework/formats/deleting_file.cc
index b759a5f64..ce09d8746 100644
--- a/mediapipe/framework/formats/deleting_file.cc
+++ b/mediapipe/framework/formats/deleting_file.cc
@@ -17,10 +17,25 @@
 
 #include <stdio.h>
 
+#include <utility>
+
 #include "absl/log/absl_log.h"
 
 namespace mediapipe {
 
+DeletingFile::DeletingFile(DeletingFile&& other)
+    : path_(std::move(other.path_)),
+      delete_on_destruction_(other.delete_on_destruction_) {
+  other.delete_on_destruction_ = false;
+}
+
+DeletingFile& DeletingFile::operator=(DeletingFile&& other) {
+  path_ = std::move(other.path_);
+  delete_on_destruction_ = other.delete_on_destruction_;
+  other.delete_on_destruction_ = false;
+  return *this;
+}
+
 DeletingFile::DeletingFile(const std::string& path, bool delete_on_destruction)
     : path_(path), delete_on_destruction_(delete_on_destruction) {}
 
diff --git a/mediapipe/framework/formats/deleting_file.h b/mediapipe/framework/formats/deleting_file.h
index f38e3333b..695cba491 100644
--- a/mediapipe/framework/formats/deleting_file.h
+++ b/mediapipe/framework/formats/deleting_file.h
@@ -28,6 +28,11 @@ class DeletingFile {
   DeletingFile(const DeletingFile&) = delete;
   DeletingFile& operator=(const DeletingFile&) = delete;
 
+  // DeletingFile is movable. The moved-from object remains in valid but
+  // unspecified state and will not perform any operations on destruction.
+  DeletingFile(DeletingFile&& other);
+  DeletingFile& operator=(DeletingFile&& other);
+
   // Provide the path to the file and whether the file should be deleted
   // when this object is destroyed.
   DeletingFile(const std::string& path, bool delete_on_destruction);