dlls/d3drm/d3drm_main.c

   1 /*
   2  * Copyright 2004 Ivan Leo Puoti
   3  * Copyright 2010 Christian Costa
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include "initguid.h"
  21 #include "d3drm_private.h"
  22
  23 /***********************************************************************
  24  *              DllMain  (D3DRM.@)
  25  */
  26 BOOL WINAPI DllMain(HINSTANCE inst, DWORD reason, void *reserved)
  27 {
  28     switch(reason)
  29     {
  30     case DLL_WINE_PREATTACH:
  31         return FALSE;  /* prefer native version */
  32     case DLL_PROCESS_ATTACH:
  33         DisableThreadLibraryCalls( inst );
  34         break;
  35     }
  36     return TRUE;
  37 }
  38
  39 void d3drm_object_init(struct d3drm_object *object, const char *classname)
  40 {
  41     object->ref = 1;
  42     object->appdata = 0;
  43     list_init(&object->destroy_callbacks);
  44     object->classname = classname;
  45     object->name = NULL;
  46 }
  47
  48 struct destroy_callback
  49 {
  50     struct list entry;
  51     D3DRMOBJECTCALLBACK cb;
  52     void *ctx;
  53 };
  54
  55 HRESULT d3drm_object_add_destroy_callback(struct d3drm_object *object, D3DRMOBJECTCALLBACK cb, void *ctx)
  56 {
  57     struct destroy_callback *callback;
  58
  59     if (!cb)
  60         return D3DRMERR_BADVALUE;
  61
  62     if (!(callback = heap_alloc(sizeof(*callback))))
  63         return E_OUTOFMEMORY;
  64
  65     callback->cb = cb;
  66     callback->ctx = ctx;
  67
  68     list_add_head(&object->destroy_callbacks, &callback->entry);
  69     return D3DRM_OK;
  70 }
  71
  72 HRESULT d3drm_object_delete_destroy_callback(struct d3drm_object *object, D3DRMOBJECTCALLBACK cb, void *ctx)
  73 {
  74     struct destroy_callback *callback;
  75
  76     if (!cb)
  77         return D3DRMERR_BADVALUE;
  78
  79     LIST_FOR_EACH_ENTRY(callback, &object->destroy_callbacks, struct destroy_callback, entry)
  80     {
  81         if (callback->cb == cb && callback->ctx == ctx)
  82         {
  83             list_remove(&callback->entry);
  84             heap_free(callback);
  85             break;
  86         }
  87     }
  88
  89     return D3DRM_OK;
  90 }
  91
  92 HRESULT d3drm_object_get_class_name(struct d3drm_object *object, DWORD *size, char *name)
  93 {
  94     DWORD req_size;
  95
  96     if (!size)
  97         return E_INVALIDARG;
  98
  99     req_size = strlen(object->classname) + 1;
 100     if (name && *size < req_size)
 101         return E_INVALIDARG;
 102
 103     *size = req_size;
 104
 105     if (name)
 106         memcpy(name, object->classname, req_size);
 107
 108     return D3DRM_OK;
 109 }
 110
 111 HRESULT d3drm_object_get_name(struct d3drm_object *object, DWORD *size, char *name)
 112 {
 113     DWORD req_size;
 114
 115     if (!size)
 116         return E_INVALIDARG;
 117
 118     req_size = object->name ? strlen(object->name) + 1 : 0;
 119     if (name && *size < req_size)
 120         return E_INVALIDARG;
 121
 122     if (name)
 123     {
 124         if (object->name)
 125             memcpy(name, object->name, req_size);
 126         else if (*size)
 127             *name = 0;
 128     }
 129
 130     *size = req_size;
 131
 132     return D3DRM_OK;
 133 }
 134
 135 HRESULT d3drm_object_set_name(struct d3drm_object *object, const char *name)
 136 {
 137     DWORD req_size;
 138
 139     heap_free(object->name);
 140     object->name = NULL;
 141
 142     if (name)
 143     {
 144         req_size = strlen(name) + 1;
 145         if (!(object->name = heap_alloc(req_size)))
 146             return E_OUTOFMEMORY;
 147         memcpy(object->name, name, req_size);
 148     }
 149
 150     return D3DRM_OK;
 151 }
 152
 153 void d3drm_object_cleanup(IDirect3DRMObject *iface, struct d3drm_object *object)
 154 {
 155     struct destroy_callback *callback, *callback2;
 156
 157     LIST_FOR_EACH_ENTRY_SAFE(callback, callback2, &object->destroy_callbacks, struct destroy_callback, entry)
 158     {
 159         callback->cb(iface, callback->ctx);
 160         list_remove(&callback->entry);
 161         heap_free(callback);
 162     }
 163
 164     heap_free(object->name);
 165     object->name = NULL;
 166 }