void ascend ();
void descend (float);
float overall_progress () const;
+ bool progress_unknown () const {
+ return _progress_unknown;
+ }
boost::signals2::signal<void()> Progress;
/** Emitted from the UI thread when the job is finished */
/** true if this job's progress will always be unknown */
bool _progress_unknown;
+ float _last_set;
+
int _ran_for;
};