/*
    SPDX-FileCopyrightText: 2021 Vlad Zahorodnii <vlad.zahorodnii@kde.org>

    SPDX-License-Identifier: GPL-2.0-or-later
*/

#include "libinputbackend.h"
#include "connection.h"
#include "device.h"

namespace KWin
{

LibinputBackend::LibinputBackend(QObject *parent)
    : InputBackend(parent)
{
    m_thread = new QThread();
    m_thread->setObjectName(QStringLiteral("libinput-connection"));
    m_thread->start();

    m_connection = LibInput::Connection::create(this);
    m_connection->moveToThread(m_thread);

    connect(m_connection, &LibInput::Connection::eventsRead, this, [this]() {
        m_connection->processEvents();
    }, Qt::QueuedConnection);

    // Direct connection because the deviceAdded() and the deviceRemoved() signals are emitted
    // from the main thread.
    connect(m_connection, &LibInput::Connection::deviceAdded,
            this, &InputBackend::deviceAdded, Qt::DirectConnection);
    connect(m_connection, &LibInput::Connection::deviceRemoved,
            this, &InputBackend::deviceRemoved, Qt::DirectConnection);
}

LibinputBackend::~LibinputBackend()
{
    m_connection->deleteLater();

    m_thread->quit();
    m_thread->wait();
    delete m_thread;
}

void LibinputBackend::initialize()
{
    m_connection->setInputConfig(config());
    m_connection->setup();
}

} // namespace KWin