1/*
2 * Copyright (C) 2008 Apple Inc. 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef NetworkStateNotifier_h
27#define NetworkStateNotifier_h
28
29#include <wtf/FastAllocBase.h>
30#include <wtf/Noncopyable.h>
31
32#if PLATFORM(MAC)
33
34#include <wtf/RetainPtr.h>
35#include "Timer.h"
36
37typedef const struct __CFArray * CFArrayRef;
38typedef const struct __SCDynamicStore * SCDynamicStoreRef;
39
40#elif PLATFORM(WIN)
41
42#include <windows.h>
43
44#elif PLATFORM(QT)
45
46#include <QtCore/qglobal.h>
47
48#elif PLATFORM(EFL)
49
50typedef struct _Ecore_Fd_Handler Ecore_Fd_Handler;
51typedef unsigned char Eina_Bool;
52
53#endif
54
55namespace WebCore {
56
57#if (PLATFORM(QT) && !defined(QT_NO_BEARERMANAGEMENT))
58class NetworkStateNotifierPrivate;
59#endif
60
61class NetworkStateNotifier {
62    WTF_MAKE_NONCOPYABLE(NetworkStateNotifier); WTF_MAKE_FAST_ALLOCATED;
63public:
64    NetworkStateNotifier();
65#if PLATFORM(EFL)
66    ~NetworkStateNotifier();
67#endif
68    void setNetworkStateChangedFunction(void (*)());
69
70    bool onLine() const { return m_isOnLine; }
71
72#if (PLATFORM(QT) && !defined(QT_NO_BEARERMANAGEMENT))
73    void setNetworkAccessAllowed(bool);
74#endif
75
76#if PLATFORM(BLACKBERRY)
77    void networkStateChange(bool online);
78#endif
79
80private:
81    bool m_isOnLine;
82    void (*m_networkStateChangedFunction)();
83
84    void updateState();
85
86#if PLATFORM(MAC)
87    void networkStateChangeTimerFired(Timer<NetworkStateNotifier>*);
88
89    static void dynamicStoreCallback(SCDynamicStoreRef, CFArrayRef changedKeys, void *info);
90
91    RetainPtr<SCDynamicStoreRef> m_store;
92    Timer<NetworkStateNotifier> m_networkStateChangeTimer;
93
94#elif PLATFORM(WIN)
95    static void CALLBACK addrChangeCallback(void*, BOOLEAN timedOut);
96    static void callAddressChanged(void*);
97    void addressChanged();
98
99    void registerForAddressChange();
100    HANDLE m_waitHandle;
101    OVERLAPPED m_overlapped;
102
103#elif PLATFORM(EFL)
104    void networkInterfaceChanged();
105    static Eina_Bool readSocketCallback(void* userData, Ecore_Fd_Handler*);
106
107    int m_netlinkSocket;
108    Ecore_Fd_Handler* m_fdHandler;
109
110#elif (PLATFORM(QT) && !defined(QT_NO_BEARERMANAGEMENT))
111    friend class NetworkStateNotifierPrivate;
112    NetworkStateNotifierPrivate* p;
113#endif
114};
115
116#if !PLATFORM(MAC) && !PLATFORM(WIN) && !(PLATFORM(QT) && !defined(QT_NO_BEARERMANAGEMENT)) && !PLATFORM(BLACKBERRY) && !PLATFORM(EFL)
117
118inline NetworkStateNotifier::NetworkStateNotifier()
119    : m_isOnLine(true)
120    , m_networkStateChangedFunction(0)
121{
122}
123
124inline void NetworkStateNotifier::updateState() { }
125
126#endif
127
128NetworkStateNotifier& networkStateNotifier();
129
130};
131
132#endif // NetworkStateNotifier_h
133