X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fjob.h;h=06a341f40d6808581d4bcf44ed3f2805f15285d1;hb=e60bb3e51bd1508b149e6b8f6608f09b5196ae26;hp=2119db2f3e71a67e6e3ac64f6103e317e0081f02;hpb=7ee21d16c01b90c22192cd10f118419881fe504e;p=dcpomatic.git

diff --git a/src/lib/job.h b/src/lib/job.h
index 2119db2f3..06a341f40 100644
--- a/src/lib/job.h
+++ b/src/lib/job.h
@@ -24,29 +24,33 @@
 #ifndef DCPOMATIC_JOB_H
 #define DCPOMATIC_JOB_H
 
-#include <string>
+#include "signaller.h"
 #include <boost/thread/mutex.hpp>
 #include <boost/enable_shared_from_this.hpp>
 #include <boost/signals2.hpp>
 #include <boost/thread.hpp>
+#include <string>
 
 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<Job>
+class Job : public boost::enable_shared_from_this<Job>, public Signaller, public boost::noncopyable
 {
 public:
-	Job (boost::shared_ptr<Film>);
+	Job (boost::shared_ptr<const Film>);
 	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 ();
 	void cancel ();
 
 	bool is_new () const;
@@ -55,20 +59,29 @@ public:
 	bool finished_ok () const;
 	bool finished_in_error () const;
 	bool finished_cancelled () const;
+	bool paused () const;
 
 	std::string error_summary () const;
 	std::string error_details () const;
 
 	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<float> progress () const;
 
-	/** Emitted by the JobManagerView from the UI thread */
+	boost::shared_ptr<const Film> film () const {
+		return _film;
+	}
+
+	boost::signals2::signal<void()> Progress;
+	/** Emitted from the UI thread when the job is finished */
 	boost::signals2::signal<void()> Finished;
 
 protected:
@@ -77,17 +90,18 @@ protected:
 
 	/** Description of a job's state */
 	enum State {
-		NEW,            ///< the job hasn't been started yet
-		RUNNING,        ///< the job is running
-		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:
 
@@ -103,23 +117,18 @@ 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<float> _progress;
 
-	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;
+	/** 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;
 };