X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fjob_manager.cc;h=3992e685ed4fe76c9ee4c5912ae7cd41fcaac873;hb=fdb1cacf58115881bd4d3e8cca8ba389f26400df;hp=86e010c106b929d0cb6869026eda4a70baab86e5;hpb=267e21bfb78593bcb87eb24ce01b88d0859566f7;p=dcpomatic.git

diff --git a/src/lib/job_manager.cc b/src/lib/job_manager.cc
index 86e010c10..3992e685e 100644
--- a/src/lib/job_manager.cc
+++ b/src/lib/job_manager.cc
@@ -1,19 +1,20 @@
 /*
     Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
@@ -62,8 +63,12 @@ JobManager::~JobManager ()
 	}
 
 	if (_scheduler) {
-		DCPOMATIC_ASSERT (_scheduler->joinable ());
-		_scheduler->join ();
+		/* Ideally this would be a DCPOMATIC_ASSERT(_scheduler->joinable()) but we
+		   can't throw exceptions from a destructor.
+		*/
+		if (_scheduler->joinable ()) {
+			_scheduler->join ();
+		}
 	}
 
 	delete _scheduler;
@@ -205,3 +210,72 @@ JobManager::analyse_audio (
 
 	emit (boost::bind (boost::ref (JobAdded), weak_ptr<Job> (job)));
 }
+
+void
+JobManager::increase_priority (shared_ptr<Job> job)
+{
+	bool changed = false;
+
+	{
+		boost::mutex::scoped_lock lm (_mutex);
+		list<shared_ptr<Job> >::iterator last = _jobs.end ();
+		for (list<shared_ptr<Job> >::iterator i = _jobs.begin(); i != _jobs.end(); ++i) {
+			if (*i == job && last != _jobs.end()) {
+				swap (*i, *last);
+				changed = true;
+				break;
+			}
+			last = i;
+		}
+	}
+
+	if (changed) {
+		priority_changed ();
+	}
+}
+
+void
+JobManager::priority_changed ()
+{
+	{
+		boost::mutex::scoped_lock lm (_mutex);
+
+		bool first = true;
+		BOOST_FOREACH (shared_ptr<Job> i, _jobs) {
+			if (first) {
+				if (i->is_new ()) {
+					i->start ();
+				} else if (i->paused_by_priority ()) {
+					i->resume ();
+				}
+				first = false;
+			} else {
+				if (i->running ()) {
+					i->pause_by_priority ();
+				}
+			}
+		}
+	}
+
+	emit (boost::bind (boost::ref (JobsReordered)));
+}
+
+void
+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;
+		}
+	}
+
+	if (changed) {
+		priority_changed ();
+	}
+}