91 lines
2.8 KiB
C++
91 lines
2.8 KiB
C++
/*
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* Copyright (c) 2008-2011 Juli Mallett. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef EVENT_ACTION_H
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#define EVENT_ACTION_H
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////////////////////////////////////////////////////////////////////////////////
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// //
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// File: action.h //
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// Description: basic classes for event callback management //
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// Project: WANProxy XTech //
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// Adapted by: Andreu Vidal Bramfeld-Software //
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// Last modified: 2015-04-01 //
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// //
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////////////////////////////////////////////////////////////////////////////////
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class Action
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{
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protected:
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bool cancelled_;
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Action () : cancelled_(false)
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{
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}
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public:
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virtual ~Action ()
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{
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ASSERT("/action", cancelled_);
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}
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virtual void cancel () = 0;
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bool is_cancelled ()
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{
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return cancelled_;
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}
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};
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template<class S, class C> class CallbackAction : public Action
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{
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typedef void (S::*const method_t)(void);
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public:
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S* const obj_;
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method_t method_;
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C* callback_;
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public:
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CallbackAction (S* obj, method_t method, C* cb) : obj_(obj), method_(method)
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{
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ASSERT("/action", obj && method);
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callback_ = cb;
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}
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~CallbackAction()
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{
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delete callback_;
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}
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virtual void cancel ()
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{
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cancelled_ = true;
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(obj_->*method_) ();
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}
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};
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#endif /* !EVENT_ACTION_H */
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