Timers.h

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// 
//   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
//   Free Software Foundation, Inc
// 
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

#ifndef HAVE_TIMERS_H
#define HAVE_TIMERS_H

#include "dsodefs.h"
#include "fn_call.h"

#include <string>
#include <limits>

// Forward declarations
namespace gnash {
    class as_function;
    class as_object;
}

namespace gnash {
  
//
class DSOEXPORT Timer
{
public:
      
    ~Timer();

    //
    Timer(as_function& method, unsigned long ms, as_object* this_ptr,
            const fn_call::Args& args, bool runOnce = false);

    //
    Timer(as_object* obj, const ObjectURI& methodName, unsigned long ms,
            const fn_call::Args& args, bool runOnce = false);

    //
    void clearInterval();

    // /// @param now
    bool expired(unsigned long now, unsigned long& elapsed); 

    //
    bool cleared() const {
          return _start == std::numeric_limits<unsigned long>::max();
    }

    //
    void executeAndReset();

    //
    void markReachableResources() const;

private:

    void execute();

    void operator() () { execute(); }
    
    unsigned long getInterval() const { return _interval; }

    unsigned long getStart() const { return _start; }

    //
    void start();

    unsigned int _interval;

    //
    unsigned long _start;

    as_function* _function;

    ObjectURI _methodName;

    as_object* _object;

    //
    const fn_call::Args _args;

    bool _runOnce;
};
  
} // namespace gnash

#endif