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#ifndef TASKLISTENER_H_
#define TASKLISTENER_H_
class Task;
class TaskListener {
public:
virtual void NotifyDone(Task * task) {}
virtual void NotifyError(Task * task) {}
virtual void NotifyProgress(Task * task) {}
virtual void NotifyStatus(Task * task) {}
virtual ~TaskListener() {}
};
#endif /* TASK_H_ */
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