src/Operation/NoCancelOperationEnvironment.hpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #ifndef XCSOAR_NO_CANCEL_OPERATION_HPP
  25 #define XCSOAR_NO_CANCEL_OPERATION_HPP
  26
  27 #include "ProxyOperationEnvironment.hpp"
  28
  29 /**
  30  * An #OperationEnvironment implementation that is not cancellable,
  31  * even if the underlying object is.
  32  */
  33 class NoCancelOperationEnvironment : public ProxyOperationEnvironment {
  34 public:
  35   NoCancelOperationEnvironment(OperationEnvironment &_other)
  36     :ProxyOperationEnvironment(_other) {}
  37
  38   /* virtual methods from class OperationEnvironment */
  39   virtual bool IsCancelled() const override;
  40   virtual void Sleep(unsigned ms) override;
  41 };
  42
  43 #endif