X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Flib%2Fjob.h;h=32e71d6581c0bb3767f68dca222cc58ce601aa80;hb=b31bf6be17a014eaa9603af4563388070ce3ed73;hp=ce3a87f5efdb29b8a8555c06c7446dc7972705b9;hpb=e16c8ed02a0cb1f733a990d75a9de1bf50cf89bd;p=dcpomatic.git diff --git a/src/lib/job.h b/src/lib/job.h index ce3a87f5e..32e71d658 100644 --- a/src/lib/job.h +++ b/src/lib/job.h @@ -24,28 +24,30 @@ #ifndef DCPOMATIC_JOB_H #define DCPOMATIC_JOB_H -#include +#include "signaller.h" #include #include #include #include +#include class Film; /** @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, public boost::noncopyable +class Job : public boost::enable_shared_from_this, public Signaller, public boost::noncopyable { public: Job (boost::shared_ptr); - virtual ~Job() {} + virtual ~Job (); /** @return user-readable name of this job */ virtual std::string name () const = 0; + virtual std::string json_name () const = 0; /** Run this job in the current thread. */ virtual void run () = 0; - + void start (); void pause (); void resume (); @@ -64,13 +66,23 @@ public: int elapsed_time () const; virtual std::string status () const; + std::string json_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; + void set_progress (float, bool force = false); + void sub (std::string); + boost::optional progress () const; + + boost::shared_ptr film () const { + return _film; + } + + void when_finished (boost::signals2::connection& connection, boost::function finished); + boost::signals2::signal Progress; /** Emitted from the UI thread when the job is finished */ boost::signals2::signal Finished; @@ -80,14 +92,14 @@ 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); @@ -96,6 +108,7 @@ protected: private: void run_wrapper (); + void set_progress_common (boost::optional p); boost::thread* _thread; @@ -107,23 +120,18 @@ 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; + boost::optional _progress; - struct Level { - Level (float a) : allocation (a), normalised (0) {} - - float allocation; - float normalised; - }; - - std::list _stack; - - /** true if this job's progress will always be unknown */ - bool _progress_unknown; + /** condition to signal changes to pause/resume so that we know when to wake; + this could be a general _state_change if it made more sense. + */ + boost::condition_variable _pause_changed; int _ran_for; };