X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fjob_manager.h;h=cc1c1d28fc20b9250e101c4b7251bf10e9faf2e7;hb=284d33037f878e6e3bc97238e0c18b0bbb92b990;hp=8b79fd67d330c6078563da2f5972a8766801095c;hpb=bed01a8e72f31e73ea8f206f9b18d5910416e0c2;p=dcpomatic.git

diff --git a/src/lib/job_manager.h b/src/lib/job_manager.h
index 8b79fd67d..cc1c1d28f 100644
--- a/src/lib/job_manager.h
+++ b/src/lib/job_manager.h
@@ -23,26 +23,25 @@
 
 #include <list>
 #include <boost/thread/mutex.hpp>
+#include <boost/signals2.hpp>
 
 class Job;
 
 /** @class JobManager
  *  @brief A simple scheduler for jobs.
- *
- *  JobManager simply keeps a list of pending jobs, and assumes that all the jobs
- *  are sufficiently CPU intensive that there is no point running them in parallel;
- *  so jobs are just run one after the other.
  */
 class JobManager
 {
 public:
 
-	void add (boost::shared_ptr<Job>);
+	boost::shared_ptr<Job> add (boost::shared_ptr<Job>);
 	void add_after (boost::shared_ptr<Job> after, boost::shared_ptr<Job> j);
 	std::list<boost::shared_ptr<Job> > get () const;
 	bool work_to_do () const;
 	bool errors () const;
 
+	boost::signals2::signal<void (bool)> ActiveJobsChanged;
+
 	static JobManager* instance ();
 
 private:
@@ -52,5 +51,7 @@ private:
 	mutable boost::mutex _mutex;
 	std::list<boost::shared_ptr<Job> > _jobs;
 
+	bool _last_active_jobs;
+
 	static JobManager* _instance;
 };