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/*
* Copyright (C) 2017 Collabora Ltd.
* Copyright (C) 2018 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "LowPowerModeNotifier.h"
#include <cstring>
#include <gio/gio.h>
#include <wtf/glib/GUniquePtr.h>
namespace WebCore {
LowPowerModeNotifier::LowPowerModeNotifier(LowPowerModeChangeCallback&& callback)
#if GLIB_CHECK_VERSION(2, 69, 1)
: m_callback(WTFMove(callback))
, m_powerProfileMonitor(adoptGRef(g_power_profile_monitor_dup_default()))
, m_lowPowerModeEnabled(g_power_profile_monitor_get_power_saver_enabled(m_powerProfileMonitor.get()))
#endif
{
#if GLIB_CHECK_VERSION(2, 69, 1)
g_signal_connect_swapped(m_powerProfileMonitor.get(), "notify::power-saver-enabled", G_CALLBACK(+[] (LowPowerModeNotifier* self, GParamSpec*, GPowerProfileMonitor* monitor) {
bool powerSaverEnabled = g_power_profile_monitor_get_power_saver_enabled(monitor);
if (self->m_lowPowerModeEnabled != powerSaverEnabled) {
self->m_lowPowerModeEnabled = powerSaverEnabled;
self->m_callback(self->m_lowPowerModeEnabled);
}
}), this);
#endif
}
LowPowerModeNotifier::~LowPowerModeNotifier()
{
#if GLIB_CHECK_VERSION(2, 69, 1)
g_signal_handlers_disconnect_by_data(m_powerProfileMonitor.get(), this);
#endif
}
bool LowPowerModeNotifier::isLowPowerModeEnabled() const
{
return m_lowPowerModeEnabled;
}
} // namespace WebCore
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