/** @class Job
* @brief A parent class to represent long-running tasks which are run in their own thread.
*/
-class Job : public boost::enable_shared_from_this<Job>
+class Job : public boost::enable_shared_from_this<Job>, public boost::noncopyable
{
public:
- Job (boost::shared_ptr<Film>);
+ Job (boost::shared_ptr<const Film>);
virtual ~Job() {}
/** @return user-readable name of this job */
int elapsed_time () const;
virtual std::string status () const;
+ std::string sub_name () const {
+ return _sub_name;
+ }
void set_progress_unknown ();
- void set_progress (float);
- void ascend ();
- void descend (float);
- float overall_progress () const;
-
- /** Emitted by the JobManagerView from the UI thread */
+ void set_progress (float, bool force = false);
+ void sub (std::string);
+ float progress () const;
+ bool progress_unknown () const {
+ return !_progress;
+ }
+
+ boost::signals2::signal<void()> Progress;
+ /** Emitted from the UI thread when the job is finished */
boost::signals2::signal<void()> Finished;
protected:
/** Description of a job's state */
enum State {
- NEW, ///< the job hasn't been started yet
- RUNNING, ///< the job is running
- PAUSED, ///< the job has been paused
- FINISHED_OK, ///< the job has finished successfully
+ NEW, ///< the job hasn't been started yet
+ RUNNING, ///< the job is running
+ PAUSED, ///< the job has been paused
+ FINISHED_OK, ///< the job has finished successfully
FINISHED_ERROR, ///< the job has finished in error
FINISHED_CANCELLED ///< the job was cancelled
};
void set_state (State);
void set_error (std::string s, std::string d);
- boost::shared_ptr<Film> _film;
+ boost::shared_ptr<const Film> _film;
private:
std::string _error_summary;
std::string _error_details;
- /** time that this job was started */
+ /** time that this sub-job was started */
time_t _start_time;
+ std::string _sub_name;
- /** mutex for _stack and _progress_unknown */
+ /** mutex for _progress */
mutable boost::mutex _progress_mutex;
-
- struct Level {
- Level (float a) : allocation (a), normalised (0) {}
-
- float allocation;
- float normalised;
- };
-
- std::list<Level> _stack;
-
- /** true if this job's progress will always be unknown */
- bool _progress_unknown;
+ boost::optional<float> _progress;
int _ran_for;
};