src/libs/icon/shape/PathContainer.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 PATH_CONTAINER_H
   9 #define PATH_CONTAINER_H
  10
  11
  12 #include <List.h>
  13
  14 #include "IconBuild.h"
  15
  16
  17 _BEGIN_ICON_NAMESPACE
  18
  19
  20 class VectorPath;
  21
  22 #ifdef ICON_O_MATIC
  23 class PathContainerListener {
  24  public:
  25                                                                 PathContainerListener();
  26         virtual                                         ~PathContainerListener();
  27
  28         virtual void                            PathAdded(VectorPath* path, int32 index) = 0;
  29         virtual void                            PathRemoved(VectorPath* path) = 0;
  30 };
  31 #endif // ICON_O_MATIC
  32
  33 class PathContainer {
  34  public:
  35                                                                 PathContainer(bool ownsPaths);
  36         virtual                                         ~PathContainer();
  37
  38                         bool                            AddPath(VectorPath* path);
  39                         bool                            AddPath(VectorPath* path, int32 index);
  40                         bool                            RemovePath(VectorPath* path);
  41                         VectorPath*                     RemovePath(int32 index);
  42
  43                         void                            MakeEmpty();
  44
  45                         int32                           CountPaths() const;
  46                         bool                            HasPath(VectorPath* path) const;
  47                         int32                           IndexOf(VectorPath* path) const;
  48
  49                         VectorPath*                     PathAt(int32 index) const;
  50                         VectorPath*                     PathAtFast(int32 index) const;
  51
  52  private:
  53                         void                            _MakeEmpty();
  54
  55                         BList                           fPaths;
  56                         bool                            fOwnsPaths;
  57
  58 #ifdef ICON_O_MATIC
  59  public:
  60                         bool                            AddListener(PathContainerListener* listener);
  61                         bool                            RemoveListener(PathContainerListener* listener);
  62
  63  private:
  64                         void                            _NotifyPathAdded(VectorPath* path,
  65                                                                                                  int32 index) const;
  66                         void                            _NotifyPathRemoved(VectorPath* path) const;
  67
  68                         BList                           fListeners;
  69 #endif // ICON_O_MATIC
  70 };
  71
  72
  73 _END_ICON_NAMESPACE
  74
  75
  76 #endif  // PATH_CONTAINER_H