DescriptorManager.h 2.0 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273
  1. /*
  2. * CDE - Common Desktop Environment
  3. *
  4. * Copyright (c) 1993-2012, The Open Group. All rights reserved.
  5. *
  6. * These libraries and programs are free software; you can
  7. * redistribute them and/or modify them under the terms of the GNU
  8. * Lesser General Public License as published by the Free Software
  9. * Foundation; either version 2 of the License, or (at your option)
  10. * any later version.
  11. *
  12. * These libraries and programs are distributed in the hope that
  13. * they will be useful, but WITHOUT ANY WARRANTY; without even the
  14. * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  15. * PURPOSE. See the GNU Lesser General Public License for more
  16. * details.
  17. *
  18. * You should have received a copy of the GNU Lesser General Public
  19. * License along with these libraries and programs; if not, write
  20. * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
  21. * Floor, Boston, MA 02110-1301 USA
  22. */
  23. /* $XConsortium: DescriptorManager.h /main/1 1996/07/29 16:49:04 cde-hp $ */
  24. // Copyright (c) 1994 James Clark
  25. // See the file COPYING for copying permission.
  26. #ifndef DescriptorManager_INCLUDED
  27. #define DescriptorManager_INCLUDED 1
  28. #include "Boolean.h"
  29. #include "List.h"
  30. #ifdef SP_NAMESPACE
  31. namespace SP_NAMESPACE {
  32. #endif
  33. class DescriptorManager;
  34. class SP_API DescriptorUser {
  35. public:
  36. DescriptorUser(DescriptorManager *);
  37. virtual ~DescriptorUser();
  38. virtual Boolean suspend();
  39. void managerDeleted();
  40. void acquireD();
  41. void releaseD();
  42. DescriptorManager *manager() const;
  43. private:
  44. DescriptorManager *manager_;
  45. };
  46. class SP_API DescriptorManager {
  47. public:
  48. DescriptorManager(int maxD);
  49. ~DescriptorManager();
  50. void acquireD();
  51. void releaseD();
  52. void addUser(DescriptorUser *);
  53. void removeUser(DescriptorUser *);
  54. private:
  55. DescriptorManager(const DescriptorManager &); // undefined
  56. void operator=(const DescriptorManager &); // undefined
  57. int usedD_;
  58. int maxD_;
  59. List<DescriptorUser *> users_;
  60. };
  61. #ifdef SP_NAMESPACE
  62. }
  63. #endif
  64. #endif /* not DescriptorManager_INCLUDED */