Split utilities functions into separate files

src/utilities/timeconstants.h

@@ -0,0 +1,32 @@
+/* This file was part of Clementine.
+   Copyright 2011, David Sansome <me@davidsansome.com>
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+#ifndef TIMECONSTANTS_H
+#define TIMECONSTANTS_H
+
+#include <QtGlobal>
+
+// Use these to convert between time units
+constexpr qint64 kMsecPerSec = 1000ll;
+constexpr qint64 kUsecPerMsec = 1000ll;
+constexpr qint64 kUsecPerSec = 1000000ll;
+constexpr qint64 kNsecPerUsec = 1000ll;
+constexpr qint64 kNsecPerMsec = 1000000ll;
+constexpr qint64 kNsecPerSec = 1000000000ll;
+
+constexpr qint64 kSecsPerDay = 24 * 60 * 60;
+
+#endif  // TIMECONSTANTS_H