* Copyright 2018-2025, Andrew Lindesay <apl@lindesay.co.nz>.
* All rights reserved. Distributed under the terms of the MIT License.
*/
#ifndef ABSTRACT_PROCESS_H
#define ABSTRACT_PROCESS_H
#include <String.h>
#include <Url.h>
#include "StandardMetaData.h"
#include "Stoppable.h"
typedef enum process_state {
PROCESS_INITIAL = 1 << 0,
PROCESS_RUNNING = 1 << 1,
PROCESS_COMPLETE = 1 << 2
} process_state;
class ProcessListener;
class AbstractProcess : public Stoppable {
public:
AbstractProcess();
virtual ~AbstractProcess();
virtual const char* Name() const = 0;
virtual const char* Description() const = 0;
virtual float Progress();
status_t Run();
status_t Stop();
status_t ErrorStatus();
bool IsRunning();
bool WasStopped();
process_state ProcessState();
virtual BString LogReport();
void SetListener(ProcessListener* listener);
protected:
virtual status_t RunInternal() = 0;
virtual status_t StopInternal();
void _NotifyChanged();
static char _ProcessStateIdentifier(process_state value);
bool _ShouldProcessProgress();
protected:
BLocker fLock;
private:
ProcessListener* fListener;
bool fWasStopped;
process_state fProcessState;
status_t fErrorStatus;
double fDurationSeconds;
bigtime_t fLastProgressUpdate;
};
#endif
