src/libs/icon/shape/ShapeContainer.h

   1 /*
   2  * Copyright 2006-2007, Haiku.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Stephan Aßmus <superstippi@gmx.de>
   7  */
   8 #ifndef SHAPE_CONTAINER_H
   9 #define SHAPE_CONTAINER_H
  10
  11
  12 #include <List.h>
  13
  14 #include "IconBuild.h"
  15
  16
  17 _BEGIN_ICON_NAMESPACE
  18
  19
  20 class Shape;
  21
  22 #ifdef ICON_O_MATIC
  23 class ShapeContainerListener {
  24  public:
  25                                                                 ShapeContainerListener();
  26         virtual                                         ~ShapeContainerListener();
  27
  28         virtual void                            ShapeAdded(Shape* shape, int32 index) = 0;
  29         virtual void                            ShapeRemoved(Shape* shape) = 0;
  30 };
  31 #endif // ICON_O_MATIC
  32
  33 class ShapeContainer {
  34  public:
  35                                                                 ShapeContainer();
  36         virtual                                         ~ShapeContainer();
  37
  38                         bool                            AddShape(Shape* shape);
  39                         bool                            AddShape(Shape* shape, int32 index);
  40                         bool                            RemoveShape(Shape* shape);
  41                         Shape*                          RemoveShape(int32 index);
  42
  43                         void                            MakeEmpty();
  44
  45                         int32                           CountShapes() const;
  46                         bool                            HasShape(Shape* shape) const;
  47                         int32                           IndexOf(Shape* shape) const;
  48
  49                         Shape*                          ShapeAt(int32 index) const;
  50                         Shape*                          ShapeAtFast(int32 index) const;
  51
  52  private:
  53                         void                            _MakeEmpty();
  54
  55                         BList                           fShapes;
  56
  57 #ifdef ICON_O_MATIC
  58  public:
  59                         bool                            AddListener(ShapeContainerListener* listener);
  60                         bool                            RemoveListener(
  61                                                                         ShapeContainerListener* listener);
  62
  63  private:
  64                         void                            _NotifyShapeAdded(Shape* shape,
  65                                                                                                   int32 index) const;
  66                         void                            _NotifyShapeRemoved(Shape* shape) const;
  67
  68                         BList                           fListeners;
  69 #endif // ICON_O_MATIC
  70 };
  71
  72
  73 _END_ICON_NAMESPACE
  74
  75
  76 #endif  // SHAPE_CONTAINER_H