ui/qt/recent_file_status.cpp

   1 /* recent_file_status.cpp
   2  *
   3  * Wireshark - Network traffic analyzer
   4  * By Gerald Combs <gerald@wireshark.org>
   5  * Copyright 1998 Gerald Combs
   6  *
   7  * SPDX-License-Identifier: GPL-2.0-or-later
   8  */
   9
  10 #include "recent_file_status.h"
  11
  12 RecentFileStatus::RecentFileStatus(const QString filename, QObject *parent) :
  13     QObject(parent),
  14     // Force a deep copy.
  15     filename_(QString::fromStdU16String(filename.toStdU16String()))
  16 {
  17     // We're a QObject, which means that we emit a destroyed signal,
  18     // which might happen at the wrong time when automatic deletion is
  19     // enabled. This will trigger an assert in debug builds (bug 14279).
  20     setAutoDelete(false);
  21     // Qt::QueuedConnection creates a copy of our argument list. This
  22     // squelches what appears to be a ThreadSanitizer false positive.
  23     connect(this, SIGNAL(statusFound(QString, qint64, bool)),
  24             parent, SLOT(itemStatusFinished(QString, qint64, bool)), Qt::QueuedConnection);
  25 }
  26
  27 void RecentFileStatus::run() {
  28     fileinfo_.setFile(filename_);
  29
  30     if (fileinfo_.isFile() && fileinfo_.isReadable()) {
  31         emit statusFound(filename_, fileinfo_.size(), true);
  32     } else {
  33         emit statusFound(filename_, 0, false);
  34     }
  35     deleteLater();
  36 }