cache: show background caching in task manager

Allows users to cancel and monitor total progress.
2021-10-09 19:33:17 -07:00
parent 4125f41d1f
commit 20cf77d8f2
8 changed files with 190 additions and 7 deletions
@@ -0,0 +1,62 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2021 Olive Team
+
+  This program 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 3 of the License, or
+  (at your option) any later version.
+
+  This program 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, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "customcachetask.h"
+
+namespace olive {
+
+CustomCacheTask::CustomCacheTask(const QString &sequence_name) :
+  cancelled_through_finish_(false)
+{
+  SetTitle(tr("Caching custom range for \"%1\"").arg(sequence_name));
+}
+
+void CustomCacheTask::Finish()
+{
+  mutex_.lock();
+
+  cancelled_through_finish_ = true;
+  Cancel();
+
+  mutex_.unlock();
+}
+
+bool CustomCacheTask::Run()
+{
+  mutex_.lock();
+
+  while (!IsCancelled()) {
+    wait_cond_.wait(&mutex_);
+  }
+
+  mutex_.unlock();
+
+  return true;
+}
+
+void CustomCacheTask::CancelEvent()
+{
+  if (!cancelled_through_finish_) {
+    emit Cancelled();
+  }
+  wait_cond_.wakeOne();
+}
+
+}