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/*
* Copyright (C) 2008, 2014 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef NetworkStateNotifier_h
#define NetworkStateNotifier_h
#include <functional>
#include <wtf/FastMalloc.h>
#include <wtf/Noncopyable.h>
#include <wtf/Vector.h>
#if PLATFORM(MAC)
#include <wtf/RetainPtr.h>
#include "Timer.h"
typedef const struct __CFArray * CFArrayRef;
typedef const struct __SCDynamicStore * SCDynamicStoreRef;
#elif PLATFORM(WIN)
#include <windows.h>
#elif PLATFORM(IOS)
#include <wtf/RetainPtr.h>
OBJC_CLASS WebNetworkStateObserver;
#endif
namespace WebCore {
class NetworkStateNotifier {
WTF_MAKE_NONCOPYABLE(NetworkStateNotifier); WTF_MAKE_FAST_ALLOCATED;
public:
NetworkStateNotifier();
#if PLATFORM(EFL) || PLATFORM(IOS)
~NetworkStateNotifier();
#endif
void addNetworkStateChangeListener(std::function<void (bool isOnLine)>);
bool onLine() const;
private:
#if !PLATFORM(IOS)
bool m_isOnLine;
#endif
Vector<std::function<void (bool)>> m_listeners;
void notifyNetworkStateChange() const;
void updateState();
#if PLATFORM(MAC)
void networkStateChangeTimerFired(Timer<NetworkStateNotifier>&);
static void dynamicStoreCallback(SCDynamicStoreRef, CFArrayRef changedKeys, void *info);
RetainPtr<SCDynamicStoreRef> m_store;
Timer<NetworkStateNotifier> m_networkStateChangeTimer;
#elif PLATFORM(WIN)
static void CALLBACK addrChangeCallback(void*, BOOLEAN timedOut);
static void callAddressChanged(void*);
void addressChanged();
void registerForAddressChange();
HANDLE m_waitHandle;
OVERLAPPED m_overlapped;
#elif PLATFORM(EFL)
void networkInterfaceChanged();
static Eina_Bool readSocketCallback(void* userData, Ecore_Fd_Handler*);
int m_netlinkSocket;
Ecore_Fd_Handler* m_fdHandler;
#elif PLATFORM(IOS)
void registerObserverIfNecessary() const;
friend void setOnLine(const NetworkStateNotifier*, bool);
mutable bool m_isOnLine;
mutable bool m_isOnLineInitialized;
mutable RetainPtr<WebNetworkStateObserver> m_observer;
#endif
};
#if !PLATFORM(COCOA) && !PLATFORM(WIN) && !PLATFORM(EFL)
inline NetworkStateNotifier::NetworkStateNotifier()
: m_isOnLine(true)
{
}
inline void NetworkStateNotifier::updateState() { }
#endif
#if !PLATFORM(IOS)
inline bool NetworkStateNotifier::onLine() const
{
return m_isOnLine;
}
#endif
WEBCORE_EXPORT NetworkStateNotifier& networkStateNotifier();
} // namespace WebCore
#endif // NetworkStateNotifier_h
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