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#include "qscreensaver_mir_p.h"

#include <QDBusConnection>
#include <QDBusInterface>
#include <QDBusPendingCall>

QT_BEGIN_NAMESPACE

QScreenSaverPrivate::QScreenSaverPrivate(QScreenSaver *parent)
    : q_ptr(parent)
    , m_keepDisplayOnRequestId(-1)
    , m_iface(QLatin1String("com.canonical.Unity.Screen"),
              QLatin1String("/com/canonical/Unity/Screen"),
              QLatin1String("com.canonical.Unity.Screen"),
              QDBusConnection::systemBus())
{
}

bool QScreenSaverPrivate::screenSaverEnabled()
{
    return m_keepDisplayOnRequestId == -1;
}

void QScreenSaverPrivate::setScreenSaverEnabled(bool enabled)
{
    if (!m_iface.isValid())
        return;

    if (m_keepDisplayOnRequestId == -1 && !enabled) {
        // set request
        QDBusMessage reply = m_iface.call(QLatin1String("keepDisplayOn"));
        if (reply.arguments().count() > 0)
            m_keepDisplayOnRequestId = reply.arguments().first().toInt();
    } else if (m_keepDisplayOnRequestId != -1 && enabled) {
        // clear request
        m_iface.asyncCall(QLatin1String("removeDisplayOnRequest"), m_keepDisplayOnRequestId);
        m_keepDisplayOnRequestId = -1;
    }
}

QT_END_NAMESPACE

