Sweden-Number/dlls/windowscodecs/clsfactory.c

174 lines
4.4 KiB
C

/*
* Copyright 2009 Vincent Povirk for CodeWeavers
*
* 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 "config.h"
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "objbase.h"
#include "ocidl.h"
#include "initguid.h"
#include "wincodec.h"
#include "wincodecs_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
typedef struct {
REFCLSID classid;
HRESULT (*constructor)(IUnknown*,REFIID,void**);
} classinfo;
static classinfo wic_classes[] = {
{&CLSID_WICImagingFactory, ImagingFactory_CreateInstance},
{&CLSID_WICBmpDecoder, BmpDecoder_CreateInstance},
{&CLSID_WICBmpEncoder, BmpEncoder_CreateInstance},
{&CLSID_WICDefaultFormatConverter, FormatConverter_CreateInstance},
{0}};
typedef struct {
const IClassFactoryVtbl *lpIClassFactoryVtbl;
LONG ref;
classinfo *info;
} ClassFactoryImpl;
static HRESULT WINAPI ClassFactoryImpl_QueryInterface(IClassFactory *iface,
REFIID iid, void **ppv)
{
ClassFactoryImpl *This = (ClassFactoryImpl*)iface;
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
if (IsEqualIID(&IID_IUnknown, iid) || IsEqualIID(&IID_IClassFactory, iid))
{
*ppv = This;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI ClassFactoryImpl_AddRef(IClassFactory *iface)
{
ClassFactoryImpl *This = (ClassFactoryImpl*)iface;
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static ULONG WINAPI ClassFactoryImpl_Release(IClassFactory *iface)
{
ClassFactoryImpl *This = (ClassFactoryImpl*)iface;
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
if (ref == 0)
HeapFree(GetProcessHeap(), 0, This);
return ref;
}
static HRESULT WINAPI ClassFactoryImpl_CreateInstance(IClassFactory *iface,
IUnknown *pUnkOuter, REFIID riid, void **ppv)
{
ClassFactoryImpl *This = (ClassFactoryImpl*)iface;
return This->info->constructor(pUnkOuter, riid, ppv);
}
static HRESULT WINAPI ClassFactoryImpl_LockServer(IClassFactory *iface, BOOL lock)
{
TRACE("(%p, %i): stub\n", iface, lock);
return E_NOTIMPL;
}
static const IClassFactoryVtbl ClassFactoryImpl_Vtbl = {
ClassFactoryImpl_QueryInterface,
ClassFactoryImpl_AddRef,
ClassFactoryImpl_Release,
ClassFactoryImpl_CreateInstance,
ClassFactoryImpl_LockServer
};
static HRESULT ClassFactoryImpl_Constructor(classinfo *info, REFIID riid, LPVOID *ppv)
{
ClassFactoryImpl *This;
HRESULT ret;
*ppv = NULL;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(ClassFactoryImpl));
if (!This) return E_OUTOFMEMORY;
This->lpIClassFactoryVtbl = &ClassFactoryImpl_Vtbl;
This->ref = 1;
This->info = info;
ret = IClassFactory_QueryInterface((IClassFactory*)This, riid, ppv);
IClassFactory_Release((IClassFactory*)This);
return ret;
}
HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv)
{
HRESULT ret;
classinfo *info=NULL;
int i;
TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(iid), ppv);
if (!rclsid || !iid || !ppv)
return E_INVALIDARG;
*ppv = NULL;
for (i=0; wic_classes[i].classid; i++)
{
if (IsEqualCLSID(wic_classes[i].classid, rclsid))
{
info = &wic_classes[i];
break;
}
}
if (info)
ret = ClassFactoryImpl_Constructor(info, iid, ppv);
else
ret = CLASS_E_CLASSNOTAVAILABLE;
TRACE("<-- %08X\n", ret);
return ret;
}