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/*
* Copyright (C) 2013 Igalia S.L.
*
* 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 "WebKitBatteryProvider.h"
#if ENABLE(BATTERY_STATUS)
#include "WebBatteryManagerProxy.h"
#include "WebBatteryStatus.h"
#include <limits>
using namespace WebKit;
static inline WebKitBatteryProvider* toBatteryProvider(const void* clientInfo)
{
return static_cast<WebKitBatteryProvider*>(const_cast<void*>(clientInfo));
}
static void startUpdatingCallback(WKBatteryManagerRef batteryManager, const void* clientInfo)
{
toBatteryProvider(clientInfo)->startUpdating();
}
static void stopUpdatingCallback(WKBatteryManagerRef batteryManager, const void* clientInfo)
{
toBatteryProvider(clientInfo)->stopUpdating();
}
PassRefPtr<WebKitBatteryProvider> WebKitBatteryProvider::create(WebBatteryManagerProxy* batteryManager)
{
return adoptRef(new WebKitBatteryProvider(batteryManager));
}
WebKitBatteryProvider::WebKitBatteryProvider(WebBatteryManagerProxy* batteryManager)
: m_batteryManager(batteryManager)
, m_provider(this)
{
ASSERT(batteryManager);
WKBatteryProviderV0 wkBatteryProvider = {
{
0, // version
this // clientInfo
},
startUpdatingCallback,
stopUpdatingCallback
};
WKBatteryManagerSetProvider(toAPI(batteryManager), &wkBatteryProvider.base);
}
WebKitBatteryProvider::~WebKitBatteryProvider()
{
m_provider.stopUpdating();
}
void WebKitBatteryProvider::startUpdating()
{
m_provider.startUpdating();
}
void WebKitBatteryProvider::stopUpdating()
{
m_provider.stopUpdating();
}
void WebKitBatteryProvider::updateBatteryStatus(WebCore::BatteryProviderUPowerStatus status, double secondsRemaining, double batteryLevel)
{
RefPtr<WebBatteryStatus> batteryStatus;
switch (status) {
case WebCore::NotAvailable:
// When an implementation cannot report battery status, the default values should be used.
batteryStatus = WebBatteryStatus::create(true, std::numeric_limits<double>::infinity(),
std::numeric_limits<double>::infinity(), 1.0);
break;
case WebCore::Charging:
batteryStatus = WebBatteryStatus::create(true, secondsRemaining, 0, batteryLevel);
break;
case WebCore::Discharging:
batteryStatus = WebBatteryStatus::create(false, 0, secondsRemaining, batteryLevel);
break;
default:
ASSERT_NOT_REACHED();
}
m_batteryManager->providerUpdateBatteryStatus(batteryStatus.get());
}
#endif // ENABLE(BATTERY_STATUS)
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