blob_transition_manager.h

Go to the documentation of this file.

#ifndef BLOB_TRANSITION_MANAGER_H
#define BLOB_TRANSITION_MANAGER_H
 
#include <deque>
#include <QObject>
#include <QVector2D>

class BlobTransitionManager final : public QObject {
    Q_OBJECT
 
public:
    explicit BlobTransitionManager(QObject *parent = nullptr);

    struct WindowMovementSample {
        QPointF position; 
        qint64 timestamp; 
    };

    void ProcessMovementBuffer(
        std::vector<QPointF> &velocity,
        QPointF &blob_center,
        std::vector<QPointF> &control_points,
        float blob_radius,
        const std::function<void(std::vector<QPointF> &, QPointF &, std::vector<QPointF> &, float, QVector2D)> &
        ApplyInertiaForce,
        const std::function<void(const QPointF &)> &SetLastWindowPos
    );

    void ClearAllMovementBuffers() {
        movement_buffer_.clear();
    }

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

    void ClearMovementBuffer();

    [[nodiscard]] bool IsMoving() const { return is_moving_; }

    void SetMoving(const bool is_moving) { is_moving_ = is_moving; }

    void SetResizingState(const bool is_resizing) { is_resizing_ = is_resizing; }

    void ResetInactivityCounter() { inactivity_counter_ = 0; }

    [[nodiscard]] int GetInactivityCounter() const { return inactivity_counter_; }

    void IncrementInactivityCounter() { inactivity_counter_++; }

    [[nodiscard]] qint64 GetLastMovementTime() const { return last_movement_time_; }

    void SetLastMovementTime(const qint64 time) { last_movement_time_ = time; }

    [[nodiscard]] std::pmr::deque<WindowMovementSample> GetMovementBuffer() const { return movement_buffer_; }
 
signals:
    void transitionCompleted();

    void significantMovementDetected();

    void movementStopped();
 
private:
    static constexpr int kMaxMovementSamples = 10;
    std::pmr::deque<WindowMovementSample> movement_buffer_;
    QVector2D m_smoothed_velocity_;
    bool is_moving_ = false;
    int inactivity_counter_ = 0;
    qint64 last_movement_time_ = 0;
    bool is_resizing_ = false;
};
 
#endif // BLOB_TRANSITION_MANAGER_H