ACE/examples/Smart_Pointers/Widget.h

   1 /* -*- C++ -*- */
   2 //=============================================================================
   3 /**
   4  *  @file    Widget.h
   5  *
   6  *  @author Christopher Kohlhoff <chris@kohlhoff.com>
   7  */
   8 //=============================================================================
   9
  10 #ifndef WIDGET_H
  11 #define WIDGET_H
  12
  13 #include "Widget_Part.h"
  14
  15 /**
  16  * @class Widget
  17  *
  18  * @brief An interface for some high-level application object.
  19  */
  20 class Widget
  21 {
  22 public:
  23   /// Destructor.
  24   virtual ~Widget ();
  25
  26   /// Add a new part to the widget. The widget takes ownership of the part
  27   /// object.
  28   virtual void add_part (Widget_Part *part) = 0;
  29
  30   /// Remove a random part from the widget. Ownership of the part is returned
  31   /// to the caller.
  32   virtual Widget_Part *remove_part () = 0;
  33
  34   /// Ask the widget to print information about the parts that it contains.
  35   virtual void list_parts () = 0;
  36 };
  37
  38 #endif /* WIDGET_H */