Issue #40: Sanitize document

Pdf4QtViewer/pdfsanitizedocumentdialog.h

@@ -0,0 +1,77 @@
+//    Copyright (C) 2023 Jakub Melka
+//
+//    This file is part of PDF4QT.
+//
+//    PDF4QT is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Lesser General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    with the written consent of the copyright owner, any later version.
+//
+//    PDF4QT 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 Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with PDF4QT.  If not, see <https://www.gnu.org/licenses/>.
+
+#ifndef PDFSANITIZEDOCUMENTDIALOG_H
+#define PDFSANITIZEDOCUMENTDIALOG_H
+
+#include "pdfdocumentsanitizer.h"
+
+#include <QDialog>
+#include <QFuture>
+
+namespace Ui
+{
+class PDFSanitizeDocumentDialog;
+}
+
+namespace pdfviewer
+{
+
+class PDFSanitizeDocumentDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit PDFSanitizeDocumentDialog(const pdf::PDFDocument* document, QWidget* parent);
+    virtual ~PDFSanitizeDocumentDialog() override;
+
+    pdf::PDFDocument takeSanitizedDocument() { return qMove(m_sanitizedDocument); }
+
+signals:
+    void displaySanitizationInfo();
+
+private:
+    void sanitize();
+    void onSanitizeButtonClicked();
+    void onSanitizationStarted();
+    void onSanitizationProgress(QString progressText);
+    void onSanitizationFinished();
+    void onDisplaySanitizationInfo();
+
+    void updateUi();
+
+    struct SanitizationInfo
+    {
+        qreal msecsElapsed = 0.0;
+        qint64 bytesBeforeSanitization = -1;
+        qint64 bytesAfterSanitization = -1;
+    };
+
+    Ui::PDFSanitizeDocumentDialog* ui;
+    const pdf::PDFDocument* m_document;
+    pdf::PDFDocumentSanitizer m_sanitizer;
+    QPushButton* m_sanitizeButton;
+    bool m_sanitizationInProgress;
+    bool m_wasSanitized;
+    QFuture<void> m_future;
+    pdf::PDFDocument m_sanitizedDocument;
+    SanitizationInfo m_sanitizationInfo;
+};
+
+}   // namespace pdfviewer
+
+#endif // PDFSANITIZEDOCUMENTDIALOG_H