ioncore/basicpholder.c

   1 /*
   2  * ion/ioncore/basicpholder.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 2005-2009.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #include <libtu/objp.h>
  10 #include <libtu/obj.h>
  11 #include <libtu/pointer.h>
  12
  13 #include "basicpholder.h"
  14
  15
  16 /*{{{ Init/deinit */
  17
  18
  19 bool basicpholder_init(WBasicPHolder *ph, WRegion *reg,
  20                        WBasicPHolderHandler *hnd)
  21 {
  22     assert(reg!=NULL && hnd!=NULL);
  23
  24     pholder_init(&(ph->ph));
  25
  26     watch_init(&(ph->reg_watch));
  27
  28     if(!watch_setup(&(ph->reg_watch), (Obj*)reg, NULL)){
  29         pholder_deinit(&(ph->ph));
  30         return FALSE;
  31     }
  32
  33     ph->hnd=hnd;
  34
  35     return TRUE;
  36 }
  37
  38
  39 WBasicPHolder *create_basicpholder(WRegion *reg,
  40                                    WBasicPHolderHandler *hnd)
  41 {
  42     CREATEOBJ_IMPL(WBasicPHolder, basicpholder, (p, reg, hnd));
  43 }
  44
  45
  46 void basicpholder_deinit(WBasicPHolder *ph)
  47 {
  48     watch_reset(&(ph->reg_watch));
  49     pholder_deinit(&(ph->ph));
  50 }
  51
  52
  53 /*}}}*/
  54
  55
  56 /*{{{ Dynfuns */
  57
  58
  59 WRegion *basicpholder_do_attach(WBasicPHolder *ph, int flags,
  60                                 WRegionAttachData *data)
  61 {
  62     WRegion *reg=(WRegion*)ph->reg_watch.obj;
  63
  64     if(reg==NULL || ph->hnd==NULL)
  65         return FALSE;
  66
  67     return ph->hnd(reg, flags, data);
  68 }
  69
  70
  71 bool basicpholder_do_goto(WBasicPHolder *ph)
  72 {
  73     WRegion *reg=(WRegion*)ph->reg_watch.obj;
  74
  75     if(reg!=NULL)
  76         return region_goto((WRegion*)reg);
  77
  78     return FALSE;
  79 }
  80
  81
  82 WRegion *basicpholder_do_target(WBasicPHolder *ph)
  83 {
  84     return (WRegion*)ph->reg_watch.obj;
  85 }
  86
  87
  88 /*}}}*/
  89
  90
  91 /*{{{ Class information */
  92
  93
  94 static DynFunTab basicpholder_dynfuntab[]={
  95     {(DynFun*)pholder_do_attach,
  96      (DynFun*)basicpholder_do_attach},
  97
  98     {(DynFun*)pholder_do_goto,
  99      (DynFun*)basicpholder_do_goto},
 100
 101     {(DynFun*)pholder_do_target,
 102      (DynFun*)basicpholder_do_target},
 103
 104     END_DYNFUNTAB
 105 };
 106
 107 IMPLCLASS(WBasicPHolder, WPHolder, basicpholder_deinit,
 108           basicpholder_dynfuntab);
 109
 110
 111 /*}}}*/
 112