src/add-ons/screen_savers/slideshowsaver/LiveSettingsObserver.h

   1 /*****************************************************************************/
   2 // LiveSettingsObserver
   3 // Written by Michael Wilber
   4 //
   5 // LiveSettingsObserver.h
   6 //
   7 // This class provides an interface for classes that wish to get notification
   8 // messages from changes to a LiveSettings object.
   9 //
  10 //
  11 // Copyright (C) Haiku
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining a
  14 // copy of this software and associated documentation files (the "Software"),
  15 // to deal in the Software without restriction, including without limitation
  16 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  17 // and/or sell copies of the Software, and to permit persons to whom the
  18 // Software is furnished to do so, subject to the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be included
  21 // in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  24 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  25 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  26 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  27 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  28 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  29 // DEALINGS IN THE SOFTWARE.
  30 /*****************************************************************************/
  31
  32 #ifndef LIVE_SETTINGS_OBSERVER_H
  33 #define LIVE_SETTINGS_OBSERVER_H
  34
  35 class LiveSettingsObserver {
  36 public:
  37         LiveSettingsObserver() { }
  38         virtual ~LiveSettingsObserver() { }
  39
  40         virtual void SettingChanged(uint32 setting) = 0;
  41 };
  42
  43 #endif // #ifndef LIVE_SETTINGS_OBSERVER_H
  44