1 files changed, 80 insertions, 0 deletions
diff --git a/src/ui/thread/FileReadThread.cpp b/src/ui/thread/FileReadThread.cpp
new file mode 100644
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--- /dev/null
+++ b/src/ui/thread/FileReadThread.cpp
@@ -0,0 +1,80 @@
+/**
+ * Copyright (C) 2021 Saturneric
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GpgFrontend is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * The source code version of this software was modified and released
+ * by Saturneric<[email protected]><[email protected]> starting on May 12, 2021.
+ *
+ */
+
+#include "FileReadThread.h"
+
+
+#include <utility>
+
+namespace GpgFrontend::UI {
+
+FileReadThread::FileReadThread(std::string path) : path_(std::move(path)) {
+  qRegisterMetaType<std::string>("std::string");
+}
+
+void FileReadThread::run() {
+  LOG(INFO) << "started reading" << path_;
+
+#ifdef WINDOWS
+  std::filesystem::path read_file_path(QString::fromStdString(path_).toStdU16String());
+#else
+  std::filesystem::path read_file_path(QString::fromStdString(path_).toStdString());
+#endif
+
+  if (is_regular_file(read_file_path)) {
+    LOG(INFO) << "read open" << read_file_path;
+
+    QFile file;
+    file.setFileName(QString::fromStdString(read_file_path.u8string()));
+    file.open(QIODevice::ReadOnly);
+    QByteArray read_buffer;
+    LOG(INFO) << "thread start reading";
+
+    const size_t buffer_size = 4096;
+    while ((read_buffer = file.read(buffer_size)).size() > 0) {
+      // Check isInterruptionRequested
+      if (QThread::currentThread()->isInterruptionRequested()) {
+        LOG(INFO) << "thread is interruption requested ";
+        file.close();
+        return;
+      }
+      LOG(INFO) << "block size " << read_buffer.size();
+      std::string buffer_str(read_buffer.toStdString());
+
+      emit SignalSendReadBlock(buffer_str);
+#ifdef RELEASE
+      QThread::msleep(32);
+#else
+      QThread::msleep(128);
+#endif
+    }
+    file.close();
+    emit SignalReadDone();
+    LOG(INFO) << "thread end reading";
+  }
+}
+
+}  // namespace GpgFrontend::UI