Rename player DCP directory to player content; ignore failures to load directories...

[dcpomatic.git] / src / lib / job_manager.cc

diff --git a/src/lib/job_manager.cc b/src/lib/job_manager.cc
index 6d651d2ba1d51adc531efc64b51c6c5f88002d31..535830c0c43cc77cb42263f8af9f3e8164484251 100644 (file)
--- a/src/lib/job_manager.cc
+++ b/src/lib/job_manager.cc
@@ -44,6 +44,7 @@ JobManager* JobManager::_instance = 0;
 
 JobManager::JobManager ()
        : _terminate (false)
+       , _paused (false)
        , _scheduler (0)
 {
 
@@ -150,21 +151,23 @@ JobManager::scheduler ()
                                return;
                        }
 
-                       BOOST_FOREACH (shared_ptr<Job> i, _jobs) {
+                       if (!_paused) {
+                               BOOST_FOREACH (shared_ptr<Job> i, _jobs) {
 
-                               if (!i->finished ()) {
-                                       active_job = i->json_name ();
-                               }
+                                       if (!i->finished ()) {
+                                               active_job = i->json_name ();
+                                       }
 
-                               if (i->running ()) {
-                                       /* Something is already happening */
-                                       break;
-                               }
+                                       if (i->running ()) {
+                                               /* Something is already happening */
+                                               break;
+                                       }
 
-                               if (i->is_new()) {
-                                       i->start ();
-                                       /* Only start one job at once */
-                                       break;
+                                       if (i->is_new()) {
+                                               i->start ();
+                                               /* Only start one job at once */
+                                               break;
+                                       }
                                }
                        }
                }
@@ -284,13 +287,16 @@ JobManager::decrease_priority (shared_ptr<Job> job)
 {
        bool changed = false;
 
-       for (list<shared_ptr<Job> >::iterator i = _jobs.begin(); i != _jobs.end(); ++i) {
-               list<shared_ptr<Job> >::iterator next = i;
-               ++next;
-               if (*i == job && next != _jobs.end()) {
-                       swap (*i, *next);
-                       changed = true;
-                       break;
+       {
+               boost::mutex::scoped_lock lm (_mutex);
+               for (list<shared_ptr<Job> >::iterator i = _jobs.begin(); i != _jobs.end(); ++i) {
+                       list<shared_ptr<Job> >::iterator next = i;
+                       ++next;
+                       if (*i == job && next != _jobs.end()) {
+                               swap (*i, *next);
+                               changed = true;
+                               break;
+                       }
                }
        }
 
@@ -298,3 +304,37 @@ JobManager::decrease_priority (shared_ptr<Job> job)
                priority_changed ();
        }
 }
+
+void
+JobManager::pause ()
+{
+       boost::mutex::scoped_lock lm (_mutex);
+
+       if (_paused) {
+               return;
+       }
+
+       BOOST_FOREACH (shared_ptr<Job> i, _jobs) {
+               if (i->pause_by_user()) {
+                       _paused_job = i;
+               }
+       }
+
+       _paused = true;
+}
+
+void
+JobManager::resume ()
+{
+       boost::mutex::scoped_lock lm (_mutex);
+       if (!_paused) {
+               return;
+       }
+
+       if (_paused_job) {
+               _paused_job->resume ();
+       }
+
+       _paused_job.reset ();
+       _paused = false;
+}