plugins/Ubuntu/Gestures/TimeSource.h · unity8

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unity8/plugins/Ubuntu/Gestures/TimeSource.h

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1/*

3 *

4 * This program is free software: you can redistribute it and/or modify it

5 * under the terms of the GNU Lesser General Public License, as

6 * published by the Free Software Foundation; either version 2.1 or 3.0

7 * of the License.

8 *

9 * This program is distributed in the hope that it will be useful, but

10 * WITHOUT ANY WARRANTY; without even the implied warranties of

11 * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR

12 * PURPOSE. See the applicable version of the GNU Lesser General Public

13 * License for more details.

14 *

15 * You should have received a copy of both the GNU Lesser General Public

16 * License along with this program. If not, see <http://www.gnu.org/licenses/>

17 *

18 * Authored by: Daniel d'Andrada <daniel.dandrada@canonical.com>

19 */

21#ifndef UBUNTUGESTURES_TIMESOURCE_H

22#define UBUNTUGESTURES_TIMESOURCE_H

24#include "UbuntuGesturesGlobal.h"

25#include <QSharedPointer>

27namespace UbuntuGestures {

28/*

29 Interface for a time source.

30 */

31class UBUNTUGESTURES_EXPORT TimeSource {

32public:

33 virtual ~TimeSource() {}

34 /* Returns the current time in milliseconds since some reference time in the past. */

35 virtual qint64 msecsSinceReference() = 0;

36};

37typedef QSharedPointer<TimeSource> SharedTimeSource;

39/*

40 Implementation of a time source

41 */

42class RealTimeSourcePrivate;

43class RealTimeSource : public TimeSource {

44public:

45 RealTimeSource();

46 virtual ~RealTimeSource();

47 qint64 msecsSinceReference() override;

48private:

49 RealTimeSourcePrivate *d;

50};

52} // namespace UbuntuGestures

54#endif // UBUNTUGESTURES_TIMESOURCE_H