scan_worker.hpp

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#pragma once
 
#include "models.hpp"
#include <atomic>
#include <functional>
#include <string>
#include <thread>
 
class ScanWorker {
public:
    using CompletionCallback = std::function<void(const ScanReport&)>;
    using ProgressCallback = std::function<void(const ScanProgress&)>;
 
    ScanWorker();
    ~ScanWorker();
 
    void start(const std::string& path,
               CompletionCallback cb,
               ProgressCallback progress_cb = {});
 
    bool running() const;
    void join();
 
    // NEW
    void request_cancel();
    bool cancel_requested() const;
 
private:
    std::atomic<bool> running_{false};
    std::atomic<bool> cancel_requested_{false};
 
    std::thread thread_;
};