From 46f9f282a1a60a5c8cea8d09bf4559b40f083a0f Mon Sep 17 00:00:00 2001
From: ZhangTingan <ZhangTingan@uniontech.com>
Date: Thu, 23 Jul 2026 09:47:54 +0800
Subject: [PATCH] fix: isSupportSeek use QTemporaryFile directly instead of
 close/reopen

Fix permission denied error when reopening temporary file
for seek detection on certain filesystems.

Log: isSupportSeek use QTemporaryFile directly

Bug:https://pms.uniontech.com/bug-view-371275.html
---
 3rdparty/interface/common.cpp | 20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)

diff --git a/3rdparty/interface/common.cpp b/3rdparty/interface/common.cpp
index ca5c9a21..4ce5b274 100644
--- a/3rdparty/interface/common.cpp
+++ b/3rdparty/interface/common.cpp
@@ -439,27 +439,19 @@ bool Common::isSupportSeek(QString sFileName)
         }
         file.close();
     } else {
-        // 指定临时文件的目录
-        QString tempDir = info.absoluteDir().path(); // 替换为你的目录路径
-        QString fileTemplate = tempDir + "/tempfile_XXXXXX"; // 文件名模板
-        // 创建 QTemporaryFile
+        QString tempDir = info.absoluteDir().path();
+        QString fileTemplate = tempDir + "/tempfile_XXXXXX";
         QTemporaryFile tempFile(fileTemplate);
         tempFile.setAutoRemove(true);
-        // 尝试打开临时文件
         if (tempFile.open()) {
             tempFile.write("test\n");
             tempFile.flush();
-        }
-        tempFile.close();
-        QString sFileName = tempFile.fileName();
-        QFile file(sFileName);
-        if(file.open(QIODevice::ReadOnly)) {
-            if (file.seek(0)) {
-                file.close();
-                return true; // 支持 seek
+            if (tempFile.seek(0)) {
+                tempFile.close();
+                return true;
             }
         }
-        file.close();
+        tempFile.close();
     }
     return false;
 }