// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.

#ifndef toolx_X11_dispatcher
#define toolx_X11_dispatcher

#include <X11/Xlib.h>

#ifdef TOOLS_MEM
#include <tools/mem>
#endif

namespace toolx {
namespace X11 {

class dispatcher {
protected:
#ifdef TOOLS_MEM
  static const std::string& s_class() {
    static const std::string s_v("toolx::X11::dispatcher");
    return s_v;
  }
#endif
public:
  virtual bool dispatch(XEvent&) = 0;
  virtual Window window() const = 0;
  virtual dispatcher* copy() const = 0;
public:
  dispatcher():m_is_valid(true){
#ifdef TOOLS_MEM
    tools::mem::increment(s_class().c_str());
#endif
  }
  virtual ~dispatcher(){
#ifdef TOOLS_MEM
    tools::mem::decrement(s_class().c_str());
#endif
  }
public:
  dispatcher(const dispatcher& a_from):m_is_valid(a_from.m_is_valid){
#ifdef TOOLS_MEM
    tools::mem::increment(s_class().c_str());
#endif
  }
  dispatcher& operator=(const dispatcher& a_from) { m_is_valid = a_from.m_is_valid;return *this;}
public:
  bool is_valid() const {return m_is_valid;}
  void invalidate() {m_is_valid = false;}
protected:
  bool m_is_valid;
};

}}


#endif