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/*
* Copyright (C) 2012 Samsung Electronics
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "BatteryManager.h"
#if ENABLE(BATTERY_STATUS)
#include "BatteryController.h"
#include "BatteryStatus.h"
#include "Document.h"
#include "Event.h"
#include "Frame.h"
#include "Navigator.h"
#include <limits>
namespace WebCore {
Ref<BatteryManager> BatteryManager::create(Navigator* navigator)
{
auto batteryManager = adoptRef(*new BatteryManager(navigator));
batteryManager.get().suspendIfNeeded();
return batteryManager;
}
BatteryManager::~BatteryManager()
{
}
BatteryManager::BatteryManager(Navigator* navigator)
: ActiveDOMObject(navigator->frame()->document())
, m_batteryController(BatteryController::from(navigator->frame()->page()))
, m_batteryStatus(nullptr)
{
m_batteryController->addListener(this);
}
bool BatteryManager::charging()
{
return m_batteryStatus ? m_batteryStatus->charging() : true;
}
double BatteryManager::chargingTime()
{
if (!m_batteryStatus || !m_batteryStatus->charging())
return std::numeric_limits<double>::infinity();
return m_batteryStatus->chargingTime();
}
double BatteryManager::dischargingTime()
{
if (!m_batteryStatus || m_batteryStatus->charging())
return std::numeric_limits<double>::infinity();
return m_batteryStatus->dischargingTime();
}
double BatteryManager::level()
{
return m_batteryStatus ? m_batteryStatus->level() : 1;
}
void BatteryManager::didChangeBatteryStatus(Event& event, PassRefPtr<BatteryStatus> batteryStatus)
{
updateBatteryStatus(batteryStatus);
dispatchEvent(event);
}
void BatteryManager::updateBatteryStatus(PassRefPtr<BatteryStatus> batteryStatus)
{
m_batteryStatus = batteryStatus;
}
bool BatteryManager::canSuspendForDocumentSuspension() const
{
return true;
}
void BatteryManager::suspend(ReasonForSuspension)
{
if (m_batteryController)
m_batteryController->removeListener(this);
}
void BatteryManager::resume()
{
if (m_batteryController)
m_batteryController->addListener(this);
}
void BatteryManager::stop()
{
if (m_batteryController)
m_batteryController->removeListener(this);
}
} // namespace WebCore
#endif // BATTERY_STATUS
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