WebCore/NetworkStateNotifier.h

   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
  30 namespace WebCore {
  31
  32 class NetworkStateNotifier {
  33 public:
  34     NetworkStateNotifier();
  35     void setNetworkStateChangedFunction(void (*)());
  36
  37     bool onLine() const { return m_isOnLine; }
  38
  39     void setIsOnLine(bool isOnLine);
  40
  41 private:
  42     bool m_isOnLine;
  43     void (*m_networkStateChangedFunction)();
  44
  45     void updateState();
  46
  47 };
  48
  49 #if !PLATFORM(MAC) && !PLATFORM(WIN) && !PLATFORM(CHROMIUM)
  50
  51 inline NetworkStateNotifier::NetworkStateNotifier()
  52     : m_isOnLine(true)
  53     , m_networkStateChangedFunction(0)
  54 {
  55 }
  56
  57 inline void NetworkStateNotifier::updateState() { }
  58
  59 #endif
  60
  61 NetworkStateNotifier& networkStateNotifier();
  62
  63 };
  64
  65 #endif // NetworkStateNotifier_h