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 "config.h"
  21 #include "wine/port.h"
  22
  23 #include "initguid.h"
  24 #include "d3drm_private.h"
  25
  26 /***********************************************************************
  27  *              DllMain  (D3DRM.@)
  28  */
  29 BOOL WINAPI DllMain(HINSTANCE inst, DWORD reason, void *reserved)
  30 {
  31     switch(reason)
  32     {
  33     case DLL_WINE_PREATTACH:
  34         return FALSE;  /* prefer native version */
  35     case DLL_PROCESS_ATTACH:
  36         DisableThreadLibraryCalls( inst );
  37         break;
  38     }
  39     return TRUE;
  40 }
  41
  42 void d3drm_object_init(struct d3drm_object *object, const char *classname)
  43 {
  44     object->ref = 1;
  45     object->appdata = 0;
  46     list_init(&object->destroy_callbacks);
  47     object->classname = classname;
  48     object->name = NULL;
  49 }
  50
  51 struct destroy_callback
  52 {
  53     struct list entry;
  54     D3DRMOBJECTCALLBACK cb;
  55     void *ctx;
  56 };
  57
  58 HRESULT d3drm_object_add_destroy_callback(struct d3drm_object *object, D3DRMOBJECTCALLBACK cb, void *ctx)
  59 {
  60     struct destroy_callback *callback;
  61
  62     if (!cb)
  63         return D3DRMERR_BADVALUE;
  64
  65     if (!(callback = heap_alloc(sizeof(*callback))))
  66         return E_OUTOFMEMORY;
  67
  68     callback->cb = cb;
  69     callback->ctx = ctx;
  70
  71     list_add_head(&object->destroy_callbacks, &callback->entry);
  72     return D3DRM_OK;
  73 }
  74
  75 HRESULT d3drm_object_delete_destroy_callback(struct d3drm_object *object, D3DRMOBJECTCALLBACK cb, void *ctx)
  76 {
  77     struct destroy_callback *callback;
  78
  79     if (!cb)
  80         return D3DRMERR_BADVALUE;
  81
  82     LIST_FOR_EACH_ENTRY(callback, &object->destroy_callbacks, struct destroy_callback, entry)
  83     {
  84         if (callback->cb == cb && callback->ctx == ctx)
  85         {
  86             list_remove(&callback->entry);
  87             heap_free(callback);
  88             break;
  89         }
  90     }
  91
  92     return D3DRM_OK;
  93 }
  94
  95 HRESULT d3drm_object_get_class_name(struct d3drm_object *object, DWORD *size, char *name)
  96 {
  97     DWORD req_size;
  98
  99     if (!size)
 100         return E_INVALIDARG;
 101
 102     req_size = strlen(object->classname) + 1;
 103     if (name && *size < req_size)
 104         return E_INVALIDARG;
 105
 106     *size = req_size;
 107
 108     if (name)
 109         memcpy(name, object->classname, req_size);
 110
 111     return D3DRM_OK;
 112 }
 113
 114 HRESULT d3drm_object_get_name(struct d3drm_object *object, DWORD *size, char *name)
 115 {
 116     DWORD req_size;
 117
 118     if (!size)
 119         return E_INVALIDARG;
 120
 121     req_size = object->name ? strlen(object->name) + 1 : 0;
 122     if (name && *size < req_size)
 123         return E_INVALIDARG;
 124
 125     if (name)
 126     {
 127         if (object->name)
 128             memcpy(name, object->name, req_size);
 129         else if (*size)
 130             *name = 0;
 131     }
 132
 133     *size = req_size;
 134
 135     return D3DRM_OK;
 136 }
 137
 138 HRESULT d3drm_object_set_name(struct d3drm_object *object, const char *name)
 139 {
 140     DWORD req_size;
 141
 142     heap_free(object->name);
 143     object->name = NULL;
 144
 145     if (name)
 146     {
 147         req_size = strlen(name) + 1;
 148         if (!(object->name = heap_alloc(req_size)))
 149             return E_OUTOFMEMORY;
 150         memcpy(object->name, name, req_size);
 151     }
 152
 153     return D3DRM_OK;
 154 }
 155
 156 void d3drm_object_cleanup(IDirect3DRMObject *iface, struct d3drm_object *object)
 157 {
 158     struct destroy_callback *callback, *callback2;
 159
 160     LIST_FOR_EACH_ENTRY_SAFE(callback, callback2, &object->destroy_callbacks, struct destroy_callback, entry)
 161     {
 162         callback->cb(iface, callback->ctx);
 163         list_remove(&callback->entry);
 164         heap_free(callback);
 165     }
 166
 167     heap_free(object->name);
 168     object->name = NULL;
 169 }