1/* 2 * Copyright (C) 2012 Samsung Electronics 3 * Copyright (C) 2012 Google Inc. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21#ifndef BatteryController_h 22#define BatteryController_h 23 24#if ENABLE(BATTERY_STATUS) 25 26#include "BatteryManager.h" 27#include "Page.h" 28 29namespace WebCore { 30 31class BatteryClient; 32 33class BatteryController : public Supplement<Page> { 34public: 35 ~BatteryController(); 36 37 static PassOwnPtr<BatteryController> create(BatteryClient*); 38 39 void addListener(BatteryManager*); 40 void removeListener(BatteryManager*); 41 void updateBatteryStatus(PassRefPtr<BatteryStatus>); 42 void didChangeBatteryStatus(const AtomicString& eventType, PassRefPtr<BatteryStatus>); 43 44 BatteryClient* client() const { return m_client; } 45 46 static const char* supplementName(); 47 static BatteryController* from(Page* page) { return static_cast<BatteryController*>(Supplement<Page>::from(page, supplementName())); } 48 static bool isActive(Page*); 49 50private: 51 typedef Vector<BatteryManager*> ListenerVector; 52 53 explicit BatteryController(BatteryClient*); 54 55 BatteryClient* m_client; 56 ListenerVector m_listeners; 57 58 RefPtr<BatteryStatus> m_batteryStatus; 59}; 60 61} 62 63#endif // BATTERY_STATUS 64#endif // BatteryController_h 65 66