attachment_viewer.h

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#ifndef CYBER_ATTACHMENT_VIEWER_H
#define CYBER_ATTACHMENT_VIEWER_H
 
#include <QWidget>
 
class MaskOverlayEffect;
class QLabel;
class QVBoxLayout;
class TranslationManager;

class AttachmentViewer final : public QWidget {
    Q_OBJECT
    Q_PROPERTY(
        int decryptionCounter READ GetDecryptionCounter WRITE SetDecryptionCounter NOTIFY decryptionCounterChanged)
 
public:
    explicit AttachmentViewer(QWidget *parent = nullptr);

    ~AttachmentViewer() override;

    int GetDecryptionCounter() const { return decryption_counter_; }

    void SetDecryptionCounter(int counter);

    void UpdateContentLayout();

    void SetContent(QWidget *content);

    QSize sizeHint() const override;
 
protected:
    void resizeEvent(QResizeEvent *event) override;

    void paintEvent(QPaintEvent *event) override;
 
private slots:
    void OnActionButtonClicked();

    void StartScanningAnimation();

    void StartDecryptionAnimation();

    void UpdateAnimation() const;

    void UpdateDecryptionStatus() const;

    void FinishDecryption();

    void CloseViewer();
 
signals:
    void decryptionCounterChanged(int value);

    void viewingFinished();
 
private:
    int decryption_counter_;
    bool is_scanning_;
    bool is_decrypted_;

    QVBoxLayout *layout_;
    QWidget *content_container_;
    QVBoxLayout *content_layout_;
    QWidget *content_widget_ = nullptr;
    QLabel *status_label_;
    QTimer *animation_timer_;
    MaskOverlayEffect *mask_overlay_;
    TranslationManager *translator_ = nullptr;
};
 
#endif // CYBER_ATTACHMENT_VIEWER_H