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     callback = HeapAlloc(GetProcessHeap(), 0, sizeof(*callback));
  66     if (!callback)
  67         return E_OUTOFMEMORY;
  68
  69     callback->cb = cb;
  70     callback->ctx = ctx;
  71
  72     list_add_head(&object->destroy_callbacks, &callback->entry);
  73     return D3DRM_OK;
  74 }
  75
  76 HRESULT d3drm_object_delete_destroy_callback(struct d3drm_object *object, D3DRMOBJECTCALLBACK cb, void *ctx)
  77 {
  78     struct destroy_callback *callback;
  79
  80     if (!cb)
  81         return D3DRMERR_BADVALUE;
  82
  83     LIST_FOR_EACH_ENTRY(callback, &object->destroy_callbacks, struct destroy_callback, entry)
  84     {
  85         if (callback->cb == cb && callback->ctx == ctx)
  86         {
  87             list_remove(&callback->entry);
  88             HeapFree(GetProcessHeap(), 0, callback);
  89             break;
  90         }
  91     }
  92
  93     return D3DRM_OK;
  94 }
  95
  96 HRESULT d3drm_object_get_class_name(struct d3drm_object *object, DWORD *size, char *name)
  97 {
  98     DWORD req_size;
  99
 100     if (!size)
 101         return E_INVALIDARG;
 102
 103     req_size = strlen(object->classname) + 1;
 104     if (name && *size < req_size)
 105         return E_INVALIDARG;
 106
 107     *size = req_size;
 108
 109     if (name)
 110         memcpy(name, object->classname, req_size);
 111
 112     return D3DRM_OK;
 113 }
 114
 115 HRESULT d3drm_object_get_name(struct d3drm_object *object, DWORD *size, char *name)
 116 {
 117     DWORD req_size;
 118
 119     if (!size)
 120         return E_INVALIDARG;
 121
 122     req_size = object->name ? strlen(object->name) + 1 : 0;
 123     if (name && *size < req_size)
 124         return E_INVALIDARG;
 125
 126     if (name)
 127     {
 128         if (object->name)
 129             memcpy(name, object->name, req_size);
 130         else if (*size)
 131             *name = 0;
 132     }
 133
 134     *size = req_size;
 135
 136     return D3DRM_OK;
 137 }
 138
 139 HRESULT d3drm_object_set_name(struct d3drm_object *object, const char *name)
 140 {
 141     DWORD req_size;
 142
 143     HeapFree(GetProcessHeap(), 0, object->name);
 144     object->name = NULL;
 145
 146     if (name)
 147     {
 148         req_size = strlen(name) + 1;
 149         if (!(object->name = HeapAlloc(GetProcessHeap(), 0, req_size)))
 150             return E_OUTOFMEMORY;
 151         memcpy(object->name, name, req_size);
 152     }
 153
 154     return D3DRM_OK;
 155 }
 156
 157 void d3drm_object_cleanup(IDirect3DRMObject *iface, struct d3drm_object *object)
 158 {
 159     struct destroy_callback *callback, *callback2;
 160
 161     LIST_FOR_EACH_ENTRY_SAFE(callback, callback2, &object->destroy_callbacks, struct destroy_callback, entry)
 162     {
 163         callback->cb(iface, callback->ctx);
 164         list_remove(&callback->entry);
 165         HeapFree(GetProcessHeap(), 0, callback);
 166     }
 167
 168     HeapFree(GetProcessHeap(), 0, object->name);
 169     object->name = NULL;
 170 }