| /* |
| * 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 { |
| |
| PassRefPtr<BatteryManager> BatteryManager::create(Navigator* navigator) |
| { |
| RefPtr<BatteryManager> batteryManager(adoptRef(new BatteryManager(navigator))); |
| batteryManager->suspendIfNeeded(); |
| return batteryManager.release(); |
| } |
| |
| BatteryManager::~BatteryManager() |
| { |
| } |
| |
| BatteryManager::BatteryManager(Navigator* navigator) |
| : ActiveDOMObject(navigator->frame()->document(), this) |
| , m_batteryController(BatteryController::from(navigator->frame()->page())) |
| , m_batteryStatus(0) |
| { |
| 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(PassRefPtr<Event> event, PassRefPtr<BatteryStatus> batteryStatus) |
| { |
| m_batteryStatus = batteryStatus; |
| dispatchEvent(event); |
| } |
| |
| 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 |
| |