blob_event_handler.h

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#ifndef BLOBEVENTHANDLER_H
#define BLOBEVENTHANDLER_H
 
#include <QObject>
#include <QPointF>
#include <QTimer>
 
class QMoveEvent;
class QResizeEvent;

class BlobEventHandler final : public QObject {
    Q_OBJECT
 
public:
    explicit BlobEventHandler(QWidget *parent_widget);

    ~BlobEventHandler() override;

    bool ProcessResizeEvent(const QResizeEvent *event);

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

    void EnableEvents();

    void DisableEvents();

    bool AreEventsEnabled() const { return events_enabled_; }

    void SetTransitionInProgress(const bool inProgress) { transition_in_progress_ = inProgress; }

    bool IsInTransition() const { return transition_in_progress_; }
 
signals:
    void windowMoved(const QPointF &new_position, qint64 timestamp);

    void movementSampleAdded(const QPointF &position, qint64 timestamp);

    void significantResizeDetected(const QSize &old_size, const QSize &new_size);

    void resizeStateRequested();

    void stateResetTimerRequested();

    void eventsReEnabled();
 
private slots:
    void onEventReEnableTimeout();
 
private:
    void HandleMoveEvent(const QMoveEvent *move_event);

    QWidget *parent_widget_;
    bool events_enabled_;
    bool transition_in_progress_;

    QPointF last_processed_position_;
    qint64 last_processed_move_time_;
    QTimer event_re_enable_timer_;
    bool is_resizing_ = false;
};
 
#endif // BLOBEVENTHANDLER_H