Optimization (basic structures)

PdfForQtViewer/pdfoptimizedocumentdialog.h

@@ -0,0 +1,58 @@
+#ifndef PDFOPTIMIZEDOCUMENTDIALOG_H
+#define PDFOPTIMIZEDOCUMENTDIALOG_H
+
+#include "pdfoptimizer.h"
+
+#include <QDialog>
+#include <QFuture>
+
+namespace Ui
+{
+class PDFOptimizeDocumentDialog;
+}
+
+namespace pdfviewer
+{
+
+class PDFOptimizeDocumentDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit PDFOptimizeDocumentDialog(const pdf::PDFDocument* document, QWidget* parent);
+    virtual ~PDFOptimizeDocumentDialog() override;
+
+signals:
+    void displayOptimizationInfo();
+
+private:
+    void optimize();
+    void onOptimizeButtonClicked();
+    void onOptimizationStarted();
+    void onOptimizationProgress(QString progressText);
+    void onOptimizationFinished();
+    void onDisplayOptimizationInfo();
+
+    void updateUi();
+
+    struct OptimizationInfo
+    {
+        qreal msecsElapsed = 0.0;
+        qint64 bytesBeforeOptimization = -1;
+        qint64 bytesAfterOptimization = -1;
+    };
+
+    Ui::PDFOptimizeDocumentDialog* ui;
+    const pdf::PDFDocument* m_document;
+    pdf::PDFOptimizer m_optimizer;
+    QPushButton* m_optimizeButton;
+    bool m_optimizationInProgress;
+    bool m_wasOptimized;
+    QFuture<void> m_future;
+    pdf::PDFDocument m_optimizedDocument;
+    OptimizationInfo m_optimizationInfo;
+};
+
+}   // namespace pdfviewer
+
+#endif // PDFOPTIMIZEDOCUMENTDIALOG_H