libcamera: include/libcamera/base/event_dispatcher.h Source File

libcamera v0.3.2 Supporting cameras in Linux since 2019

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event_dispatcher.h
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1/* SPDX-License-Identifier: LGPL-2.1-or-later */
2/*
3 * Copyright (C) 2019, Google Inc.
4 *
5 * Event dispatcher
6 */
7
8#pragma once
9
10#include <libcamera/base/private.h>
11
12namespace libcamera {
13
14class EventNotifier;
15class Timer;
16
17 class EventDispatcher
18{
19public:
20 virtual ~EventDispatcher();
21
22 virtual void registerEventNotifier(EventNotifier *notifier) = 0;
23 virtual void unregisterEventNotifier(EventNotifier *notifier) = 0;
24
25 virtual void registerTimer(Timer *timer) = 0;
26 virtual void unregisterTimer(Timer *timer) = 0;
27
28 virtual void processEvents() = 0;
29
30 virtual void interrupt() = 0;
31};
32
33} /* namespace libcamera */
libcamera::EventDispatcher
Interface to manage the libcamera events and timers.
Definition event_dispatcher.h:18
libcamera::EventDispatcher::processEvents
virtual void processEvents()=0
Wait for and process pending events.
libcamera::EventDispatcher::registerTimer
virtual void registerTimer(Timer *timer)=0
Register a timer.
libcamera::EventDispatcher::unregisterTimer
virtual void unregisterTimer(Timer *timer)=0
Unregister a timer.
libcamera::EventDispatcher::interrupt
virtual void interrupt()=0
Interrupt any running processEvents() call as soon as possible.
libcamera::EventDispatcher::registerEventNotifier
virtual void registerEventNotifier(EventNotifier *notifier)=0
Register an event notifier.
libcamera::EventDispatcher::unregisterEventNotifier
virtual void unregisterEventNotifier(EventNotifier *notifier)=0
Unregister an event notifier.
libcamera::EventNotifier
Notify of activity on a file descriptor.
Definition event_notifier.h:20
libcamera::Timer
Single-shot timer interface.
Definition timer.h:22
libcamera
Top-level libcamera namespace.
Definition backtrace.h:17