attachment_placeholder.h

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#ifndef ATTACHMENT_PLACEHOLDER_H
#define ATTACHMENT_PLACEHOLDER_H
 
#include <QWidget>
 
class TranslationManager;
class QVBoxLayout;
class QPushButton;
class QLabel;
class QScrollArea;

class AttachmentPlaceholder final : public QWidget {
    Q_OBJECT
 
public:
    explicit AttachmentPlaceholder(const QString &filename, const QString &type, QWidget *parent = nullptr);

    void SetContent(QWidget *content);

    QSize sizeHint() const override;

    void SetAttachmentReference(const QString &attachment_id, const QString &mime_type);

    void SetBase64Data(const QString &base64_data, const QString &mime_type);

    void SetLoading(bool loading) const;
 
 
signals:
    void attachmentLoaded();
 
private slots:
    void onLoadButtonClicked();
 
public slots:
    void SetError(const QString &error_msg);

    void ShowFullSizeDialog(const QByteArray &data, bool is_gif);

    void AdjustAndShowDialog(QDialog *dialog, const QScrollArea *scroll_area, QWidget *content_widget,
                             QSize original_content_size) const;

    void ShowCyberImage(const QByteArray &data);

    void ShowCyberGif(const QByteArray &data);

    void ShowCyberAudio(const QByteArray &data);

    void ShowCyberVideo(const QByteArray &data);

    void GenerateThumbnail(const QByteArray &video_data, QLabel *thumbnail_label);
 
private:
    QString filename_;
    QString base64_data_;
    QString mime_type_;
    QLabel *info_label_;
    QLabel *progress_label_;
    QPushButton *load_button_;
    QWidget *content_container_;
    QVBoxLayout *content_layout_;
    bool is_loaded_;
    QByteArray video_data_;
    QLabel *thumbnail_label_ = nullptr;
    std::function<void()> ClickHandler_;
    QString attachment_id_;
    bool has_reference_ = false;
    TranslationManager *translator_ = nullptr;

    bool eventFilter(QObject *watched, QEvent *event) override;

    void NotifyLoaded();
};
 
#endif //ATTACHMENT_PLACEHOLDER_H