BackgroundTaskWithDialog.hpp

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#ifndef IV_SRC_THREADS_PROCESSINGWITHDIALOG_HPP_
#define IV_SRC_THREADS_PROCESSINGWITHDIALOG_HPP_
 
#include "ui/gui/CDialog.hpp"
 
#include <atomic>
#include <chrono>
#include <functional>
#include <future>
 
namespace iv::threads
{
 
struct BackgroundTaskWithDialogParams
{
    std::string title {"Processing"};
    std::string message {"Some processing is happening, please wait..."};
    std::function<void(const std::atomic_bool &cancelRequest)> processingFunction;
    std::function<void(bool wasCancelled)> completionCallback = [](auto) {};
    bool showCancelButton {true};
};
 
class BackgroundTaskWithDialog
{
public:
    explicit BackgroundTaskWithDialog(BackgroundTaskWithDialogParams params);
    ~BackgroundTaskWithDialog();
 
    void execute(CDialog *dlgFather);
 
    [[nodiscard]] bool isCancelled() const;
 
private:
    void runTask() const;
 
    BackgroundTaskWithDialogParams m_params;
 
    std::atomic_bool m_cancelRequested;
    std::thread m_thread;
    std::weak_ptr<CDialog> m_dialog;
};
 
}// namespace iv::threads
 
#endif//IV_SRC_THREADS_PROCESSINGWITHDIALOG_HPP_