1/* 2 * Copyright (C) 2012 Intel Corporation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef WebBatteryManager_h 27#define WebBatteryManager_h 28 29#if ENABLE(BATTERY_STATUS) 30 31#include "MessageReceiver.h" 32#include "WebBatteryStatus.h" 33#include "WebCoreArgumentCoders.h" 34#include "WebProcessSupplement.h" 35#include <wtf/HashSet.h> 36#include <wtf/Noncopyable.h> 37#include <wtf/text/AtomicString.h> 38 39namespace WebKit { 40 41class WebPage; 42class WebProcess; 43 44class WebBatteryManager : public WebProcessSupplement, private IPC::MessageReceiver { 45 WTF_MAKE_NONCOPYABLE(WebBatteryManager); 46 47public: 48 explicit WebBatteryManager(WebProcess*); 49 ~WebBatteryManager(); 50 51 static const char* supplementName(); 52 53 void registerWebPage(WebPage*); 54 void unregisterWebPage(WebPage*); 55 56 void didChangeBatteryStatus(const WTF::AtomicString& eventType, const WebBatteryStatus::Data&); 57 void updateBatteryStatus(const WebBatteryStatus::Data&); 58 59private: 60 // IPC::MessageReceiver 61 void didReceiveMessage(IPC::Connection*, IPC::MessageDecoder&) override; 62 63 WebProcess* m_process; 64 HashSet<WebPage*> m_pageSet; 65}; 66 67} // namespace WebKit 68 69#endif // ENABLE(BATTERY_STATUS) 70 71#endif // WebBatteryManager_h 72