src/apps/debugger/user_interface/gui/value/ValueHandlerRoster.h

   1 /*
   2  * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef VALUE_HANDLER_ROSTER_H
   6 #define VALUE_HANDLER_ROSTER_H
   7
   8
   9 #include <Locker.h>
  10 #include <ObjectList.h>
  11
  12
  13 class TableCellValueRenderer;
  14 class Value;
  15 class ValueFormatter;
  16 class ValueHandler;
  17
  18
  19 typedef BObjectList<ValueHandler> ValueHandlerList;
  20
  21
  22 class ValueHandlerRoster {
  23 public:
  24                                                                 ValueHandlerRoster();
  25                                                                 ~ValueHandlerRoster();
  26
  27         static  ValueHandlerRoster*     Default();
  28         static  status_t                        CreateDefault();
  29         static  void                            DeleteDefault();
  30
  31                         status_t                        Init();
  32                         status_t                        RegisterDefaultHandlers();
  33
  34                         status_t                        FindValueHandler(Value* value,
  35                                                                         ValueHandler*& _handler);
  36                                                                         // returns a reference
  37                         status_t                        GetValueFormatter(Value* value,
  38                                                                         ValueFormatter*& _formatter);
  39                                                                         // returns a reference
  40                         status_t                        GetTableCellValueRenderer(Value* value,
  41                                                                         TableCellValueRenderer*& _renderer);
  42                                                                         // returns a reference
  43
  44                         bool                            RegisterHandler(ValueHandler* handler);
  45                         void                            UnregisterHandler(ValueHandler* handler);
  46
  47 private:
  48                         BLocker                         fLock;
  49                         ValueHandlerList        fValueHandlers;
  50         static  ValueHandlerRoster*     sDefaultInstance;
  51 };
  52
  53
  54 #endif  // VALUE_HANDLER_ROSTER_H