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/*
* 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.
*/
#include <AK/Badge.h>
#include <LibCore/Event.h>
#include <LibCore/EventLoop.h>
#include <LibCore/Notifier.h>
namespace Core {
Notifier::Notifier(int fd, unsigned event_mask, Object* parent)
: Object(parent)
, m_fd(fd)
, m_event_mask(event_mask)
{
set_enabled(true);
}
Notifier::~Notifier()
{
set_enabled(false);
}
void Notifier::set_enabled(bool enabled)
{
if (m_fd < 0)
return;
if (enabled)
Core::EventLoop::register_notifier({}, *this);
else
Core::EventLoop::unregister_notifier({}, *this);
}
void Notifier::close()
{
if (m_fd < 0)
return;
set_enabled(false);
m_fd = -1;
}
void Notifier::event(Core::Event& event)
{
if (event.type() == Core::Event::NotifierRead && on_ready_to_read) {
on_ready_to_read();
} else if (event.type() == Core::Event::NotifierWrite && on_ready_to_write) {
on_ready_to_write();
} else {
Object::event(event);
}
}
}
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