Sweden-Number/dlls/d3drm/d3drm_main.c

151 lines
3.7 KiB
C

/*
* Copyright 2004 Ivan Leo Puoti
* Copyright 2010 Christian Costa
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "initguid.h"
#include "d3drm_private.h"
void d3drm_object_init(struct d3drm_object *object, const char *classname)
{
object->ref = 1;
object->appdata = 0;
list_init(&object->destroy_callbacks);
object->classname = classname;
object->name = NULL;
}
struct destroy_callback
{
struct list entry;
D3DRMOBJECTCALLBACK cb;
void *ctx;
};
HRESULT d3drm_object_add_destroy_callback(struct d3drm_object *object, D3DRMOBJECTCALLBACK cb, void *ctx)
{
struct destroy_callback *callback;
if (!cb)
return D3DRMERR_BADVALUE;
if (!(callback = heap_alloc(sizeof(*callback))))
return E_OUTOFMEMORY;
callback->cb = cb;
callback->ctx = ctx;
list_add_head(&object->destroy_callbacks, &callback->entry);
return D3DRM_OK;
}
HRESULT d3drm_object_delete_destroy_callback(struct d3drm_object *object, D3DRMOBJECTCALLBACK cb, void *ctx)
{
struct destroy_callback *callback;
if (!cb)
return D3DRMERR_BADVALUE;
LIST_FOR_EACH_ENTRY(callback, &object->destroy_callbacks, struct destroy_callback, entry)
{
if (callback->cb == cb && callback->ctx == ctx)
{
list_remove(&callback->entry);
heap_free(callback);
break;
}
}
return D3DRM_OK;
}
HRESULT d3drm_object_get_class_name(struct d3drm_object *object, DWORD *size, char *name)
{
DWORD req_size;
if (!size)
return E_INVALIDARG;
req_size = strlen(object->classname) + 1;
if (name && *size < req_size)
return E_INVALIDARG;
*size = req_size;
if (name)
memcpy(name, object->classname, req_size);
return D3DRM_OK;
}
HRESULT d3drm_object_get_name(struct d3drm_object *object, DWORD *size, char *name)
{
DWORD req_size;
if (!size)
return E_INVALIDARG;
req_size = object->name ? strlen(object->name) + 1 : 0;
if (name && *size < req_size)
return E_INVALIDARG;
if (name)
{
if (object->name)
memcpy(name, object->name, req_size);
else if (*size)
*name = 0;
}
*size = req_size;
return D3DRM_OK;
}
HRESULT d3drm_object_set_name(struct d3drm_object *object, const char *name)
{
DWORD req_size;
heap_free(object->name);
object->name = NULL;
if (name)
{
req_size = strlen(name) + 1;
if (!(object->name = heap_alloc(req_size)))
return E_OUTOFMEMORY;
memcpy(object->name, name, req_size);
}
return D3DRM_OK;
}
void d3drm_object_cleanup(IDirect3DRMObject *iface, struct d3drm_object *object)
{
struct destroy_callback *callback, *callback2;
LIST_FOR_EACH_ENTRY_SAFE(callback, callback2, &object->destroy_callbacks, struct destroy_callback, entry)
{
callback->cb(iface, callback->ctx);
list_remove(&callback->entry);
heap_free(callback);
}
heap_free(object->name);
object->name = NULL;
}