From 5723d8d8518ad1cc0fef8bcc34a47671ab959fb3 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Thu, 4 Nov 2021 23:43:54 +0100
Subject: [PATCH] Add Job::seconds_since_last_progress_update().

---
 src/lib/job.cc | 16 ++++++++++++++++
 src/lib/job.h  |  1 +
 2 files changed, 17 insertions(+)

diff --git a/src/lib/job.cc b/src/lib/job.cc
index cb2120de1..4c8199bdc 100644
--- a/src/lib/job.cc
+++ b/src/lib/job.cc
@@ -361,6 +361,22 @@ Job::check_for_interruption_or_pause ()
 	}
 }
 
+
+optional<float>
+Job::seconds_since_last_progress_update () const
+{
+	boost::mutex::scoped_lock lm (_progress_mutex);
+	if (!_last_progress_update) {
+		return {};
+	}
+
+	struct timeval now;
+	gettimeofday (&now, 0);
+
+	return seconds(now) - seconds(*_last_progress_update);
+}
+
+
 /** Set the progress of the current part of the job.
  *  @param p Progress (from 0 to 1)
  *  @param force Do not ignore this update, even if it hasn't been long since the last one.
diff --git a/src/lib/job.h b/src/lib/job.h
index 96f0acbe5..b44fd1365 100644
--- a/src/lib/job.h
+++ b/src/lib/job.h
@@ -81,6 +81,7 @@ public:
 	void set_progress (float, bool force = false);
 	void sub (std::string);
 	boost::optional<float> progress () const;
+	boost::optional<float> seconds_since_last_progress_update () const;
 
 	std::shared_ptr<const Film> film () const {
 		return _film;
-- 
2.30.2