nsGenericFactory.h 4.0 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127
  1. /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
  2. /* ***** BEGIN LICENSE BLOCK *****
  3. * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  4. *
  5. * The contents of this file are subject to the Mozilla Public License Version
  6. * 1.1 (the "License"); you may not use this file except in compliance with
  7. * the License. You may obtain a copy of the License at
  8. * http://www.mozilla.org/MPL/
  9. *
  10. * Software distributed under the License is distributed on an "AS IS" basis,
  11. * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12. * for the specific language governing rights and limitations under the
  13. * License.
  14. *
  15. * The Original Code is mozilla.org code.
  16. *
  17. * The Initial Developer of the Original Code is
  18. * Netscape Communications Corporation.
  19. * Portions created by the Initial Developer are Copyright (C) 1998
  20. * the Initial Developer. All Rights Reserved.
  21. *
  22. * Contributor(s):
  23. *
  24. * Alternatively, the contents of this file may be used under the terms of
  25. * either of the GNU General Public License Version 2 or later (the "GPL"),
  26. * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27. * in which case the provisions of the GPL or the LGPL are applicable instead
  28. * of those above. If you wish to allow use of your version of this file only
  29. * under the terms of either the GPL or the LGPL, and not to allow others to
  30. * use your version of this file under the terms of the MPL, indicate your
  31. * decision by deleting the provisions above and replace them with the notice
  32. * and other provisions required by the GPL or the LGPL. If you do not delete
  33. * the provisions above, a recipient may use your version of this file under
  34. * the terms of any one of the MPL, the GPL or the LGPL.
  35. *
  36. * ***** END LICENSE BLOCK ***** */
  37. #ifndef nsGenericFactory_h___
  38. #define nsGenericFactory_h___
  39. #include "nsCOMPtr.h"
  40. #include "nsIGenericFactory.h"
  41. #include "nsIClassInfo.h"
  42. /**
  43. * Most factories follow this simple pattern, so why not just use a function
  44. * pointer for most creation operations?
  45. */
  46. class nsGenericFactory : public nsIGenericFactory, public nsIClassInfo {
  47. public:
  48. NS_DEFINE_STATIC_CID_ACCESSOR(NS_GENERICFACTORY_CID);
  49. nsGenericFactory(const nsModuleComponentInfo *info = NULL);
  50. NS_DECL_ISUPPORTS
  51. NS_DECL_NSICLASSINFO
  52. /* nsIGenericFactory methods */
  53. NS_IMETHOD SetComponentInfo(const nsModuleComponentInfo *info);
  54. NS_IMETHOD GetComponentInfo(const nsModuleComponentInfo **infop);
  55. NS_IMETHOD CreateInstance(nsISupports *aOuter, REFNSIID aIID, void **aResult);
  56. NS_IMETHOD LockFactory(PRBool aLock);
  57. static NS_METHOD Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
  58. private:
  59. ~nsGenericFactory();
  60. const nsModuleComponentInfo *mInfo;
  61. };
  62. ////////////////////////////////////////////////////////////////////////////////
  63. #include "nsIModule.h"
  64. #include "plhash.h"
  65. class nsGenericModule : public nsIModule
  66. {
  67. public:
  68. nsGenericModule(const char* moduleName,
  69. PRUint32 componentCount,
  70. const nsModuleComponentInfo* components,
  71. nsModuleConstructorProc ctor,
  72. nsModuleDestructorProc dtor);
  73. private:
  74. ~nsGenericModule();
  75. public:
  76. NS_DECL_ISUPPORTS
  77. NS_DECL_NSIMODULE
  78. struct FactoryNode
  79. {
  80. FactoryNode(nsIGenericFactory* fact, FactoryNode* next)
  81. {
  82. mFactory = fact;
  83. mNext = next;
  84. }
  85. ~FactoryNode(){}
  86. nsCOMPtr<nsIGenericFactory> mFactory;
  87. FactoryNode* mNext;
  88. };
  89. protected:
  90. nsresult Initialize(nsIComponentManager* compMgr);
  91. void Shutdown();
  92. nsresult AddFactoryNode(nsIGenericFactory* fact);
  93. PRBool mInitialized;
  94. const char* mModuleName;
  95. PRUint32 mComponentCount;
  96. const nsModuleComponentInfo* mComponents;
  97. FactoryNode* mFactoriesNotToBeRegistered;
  98. nsModuleConstructorProc mCtor;
  99. nsModuleDestructorProc mDtor;
  100. };
  101. #endif /* nsGenericFactory_h___ */