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chxbody.h
Package: helix.src.0812.rar　[view]
Upload User: zhongxx05
Upload Date: 2007-06-06
Package Size: 33641k
Code Size: 1k
Category:

Symbian

Development Platform:

C/C++

chxbody.h：Code Content
  1. /************************************************************************
  2.  * chxbody.h
  3.  * ------------
  4.  *
  5.  * Synopsis:
  6.  * Simple ref counting class to derive from.
  7.  * 
  8.  * Target:
  9.  * Symbian OS
  10.  *
  11.  *
  12.  * (c) 1995-2003 RealNetworks, Inc. Patents pending. All rights reserved.
  13.  *
  14.  ************************************************************************/ 
  16. #ifndef _chxbody_h_
  17. #define _chxbody_h_
  19. typedef unsigned long CountType;
  21. class CHXBody {
  22. public:
  23.   CountType ref();
  24.   CountType unref();
  25.   CountType refcount() const;
  27.   static void ref(CHXBody*);
  28.   static void unref(CHXBody*);
  30. protected:
  31.   CHXBody();
  32.   ~CHXBody();
  33.   CHXBody(const CHXBody&);
  34.   CHXBody& operator=(const CHXBody&);
  36. private:
  37.   CountType refcount_;
  38. };
  40. inline
  41. CHXBody::CHXBody()
  42. : refcount_(0)
  43. {}
  45. inline
  46. CHXBody::CHXBody(const CHXBody&)
  47. : refcount_(0)
  48. {}
  50. inline
  51. CHXBody& CHXBody::operator=(const CHXBody&)
  52. {
  53.   return *this;
  54. }
  56. inline
  57. CHXBody::~CHXBody()
  58. {}
  60. inline
  61. CountType CHXBody::ref()
  62. {
  63.   return ++refcount_;
  64. }
  66. inline
  67. CountType CHXBody::unref()
  68. {
  69.   return --refcount_;
  70. }
  72. inline
  73. void CHXBody::unref(CHXBody* b)
  74. {
  75.   if (b) b->unref();
  76. }
  78. inline
  79. CountType CHXBody::refcount() const
  80. {
  81.   return refcount_;
  82. }
  84. #endif // _chxbody_h_