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