mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-01-23 09:46:04 -05:00
105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Forward.h>
|
|
#include <AK/Noncopyable.h>
|
|
#include <AK/NonnullOwnPtr.h>
|
|
#include <AK/Vector.h>
|
|
#include <AK/WeakPtr.h>
|
|
#include <LibCore/Forward.h>
|
|
#include <sys/time.h>
|
|
|
|
namespace Core {
|
|
|
|
class EventLoop {
|
|
public:
|
|
EventLoop();
|
|
~EventLoop();
|
|
|
|
int exec();
|
|
|
|
enum class WaitMode {
|
|
WaitForEvents,
|
|
PollForEvents,
|
|
};
|
|
|
|
// processe events, generally called by exec() in a loop.
|
|
// this should really only be used for integrating with other event loops
|
|
void pump(WaitMode = WaitMode::WaitForEvents);
|
|
|
|
void post_event(Object& receiver, NonnullOwnPtr<Event>&&);
|
|
|
|
static EventLoop& main();
|
|
static EventLoop& current();
|
|
|
|
bool was_exit_requested() const { return m_exit_requested; }
|
|
|
|
static int register_timer(Object&, int milliseconds, bool should_reload, TimerShouldFireWhenNotVisible);
|
|
static bool unregister_timer(int timer_id);
|
|
|
|
static void register_notifier(Badge<Notifier>, Notifier&);
|
|
static void unregister_notifier(Badge<Notifier>, Notifier&);
|
|
|
|
void quit(int);
|
|
void unquit();
|
|
|
|
void take_pending_events_from(EventLoop& other)
|
|
{
|
|
m_queued_events.append(move(other.m_queued_events));
|
|
}
|
|
|
|
static void wake();
|
|
|
|
private:
|
|
void wait_for_event(WaitMode);
|
|
void get_next_timer_expiration(timeval&);
|
|
|
|
struct QueuedEvent {
|
|
AK_MAKE_NONCOPYABLE(QueuedEvent);
|
|
|
|
public:
|
|
QueuedEvent(Object& receiver, NonnullOwnPtr<Event>);
|
|
QueuedEvent(QueuedEvent&&);
|
|
~QueuedEvent();
|
|
|
|
WeakPtr<Object> receiver;
|
|
NonnullOwnPtr<Event> event;
|
|
};
|
|
|
|
Vector<QueuedEvent, 64> m_queued_events;
|
|
|
|
bool m_exit_requested { false };
|
|
int m_exit_code { 0 };
|
|
|
|
static int s_wake_pipe_fds[2];
|
|
|
|
struct Private;
|
|
NonnullOwnPtr<Private> m_private;
|
|
};
|
|
|
|
}
|