1554d0b6e6
Now that the Object class implements parent-child relationships, make it possible to create EventNotifier and Timer instances with a parent by adding a parent argument to their constructors. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
48 lines
810 B
C++
48 lines
810 B
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* timer.h - Generic timer
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*/
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#ifndef __LIBCAMERA_TIMER_H__
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#define __LIBCAMERA_TIMER_H__
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#include <cstdint>
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#include <libcamera/object.h>
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#include <libcamera/signal.h>
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namespace libcamera {
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class Message;
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class Timer : public Object
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{
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public:
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Timer(Object *parent = nullptr);
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~Timer();
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void start(unsigned int msec);
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void stop();
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bool isRunning() const;
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unsigned int interval() const { return interval_; }
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uint64_t deadline() const { return deadline_; }
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Signal<Timer *> timeout;
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protected:
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void message(Message *msg) override;
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private:
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void registerTimer();
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void unregisterTimer();
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unsigned int interval_;
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uint64_t deadline_;
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};
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} /* namespace libcamera */
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#endif /* __LIBCAMERA_TIMER_H__ */
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