Sweden-Number/dlls/dmloader/loader.c

380 lines
13 KiB
C

/* IDirectMusicLoader8 Implementation
*
* Copyright (C) 2003 Rok Mandeljc
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "wingdi.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "winreg.h"
#include "dmloader_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dmloader);
HRESULT WINAPI DMUSIC_GetDefaultGMPath (WCHAR wszPath[MAX_PATH]);
/* IDirectMusicLoader8 IUnknown part: */
HRESULT WINAPI IDirectMusicLoader8Impl_QueryInterface (LPDIRECTMUSICLOADER8 iface, REFIID riid, LPVOID *ppobj)
{
ICOM_THIS(IDirectMusicLoader8Impl,iface);
if (IsEqualIID (riid, &IID_IUnknown) ||
IsEqualIID (riid, &IID_IDirectMusicLoader) ||
IsEqualIID (riid, &IID_IDirectMusicLoader8)) {
IDirectMusicLoader8Impl_AddRef(iface);
*ppobj = This;
return S_OK;
}
WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
return E_NOINTERFACE;
}
ULONG WINAPI IDirectMusicLoader8Impl_AddRef (LPDIRECTMUSICLOADER8 iface)
{
ICOM_THIS(IDirectMusicLoader8Impl,iface);
TRACE("(%p) : AddRef from %ld\n", This, This->ref);
return ++(This->ref);
}
ULONG WINAPI IDirectMusicLoader8Impl_Release (LPDIRECTMUSICLOADER8 iface)
{
ICOM_THIS(IDirectMusicLoader8Impl,iface);
ULONG ref = --This->ref;
TRACE("(%p) : ReleaseRef to %ld\n", This, This->ref);
if (ref == 0) {
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
/* IDirectMusicLoader8 IDirectMusicLoader part: */
HRESULT WINAPI IDirectMusicLoader8Impl_GetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc, REFIID riid, LPVOID* ppv)
{
IDirectMusicObject* pObject;
DMUS_OBJECTDESC desc;
ICOM_THIS(IDirectMusicLoader8Impl,iface);
int i;
HRESULT result;
TRACE("(%p, %p, %s, %p)\n", This, pDesc, debugstr_guid(riid), ppv);
TRACE(": looking up cache");
/* first, check if requested object is already in cache (check by name and GUID) */
for (i = 0; i < This->dwCacheSize; i++) {
if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
if (IsEqualGUID (&pDesc->guidObject, &This->pCache[i].guidObject)) {
TRACE(": object already exist in cache (found by GUID)\n");
if (This->pCache[i].pObject) {
return IDirectMusicObject_QueryInterface (This->pCache[i].pObject, riid, ppv);
}
}
} else if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
if (This->pCache[i].pwzFileName && !strncmpW(pDesc->wszFileName, This->pCache[i].pwzFileName, MAX_PATH)) {
TRACE(": object already exist in cache (found by file name)\n");
if (This->pCache[i].pObject) {
return IDirectMusicObject_QueryInterface (This->pCache[i].pObject, riid, ppv);
}
}
}
}
/* object doesn't exist in cache... guess we'll have to load it */
TRACE(": object does not exist in cache\n");
result = CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*)&pObject);
if (FAILED(result)) return result;
if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
/* load object from file */
WCHAR wzFileName[MAX_PATH];
ILoaderStream* pStream;
IPersistStream *pPersistStream = NULL;
/* if it's full path, don't add search directory path, otherwise do */
if (pDesc->dwValidData & DMUS_OBJ_FULLPATH) {
lstrcpyW( wzFileName, pDesc->wszFileName );
} else {
WCHAR *p;
lstrcpyW( wzFileName, This->wzSearchPath );
p = wzFileName + lstrlenW(wzFileName);
if (p > wzFileName && p[-1] != '\\') *p++ = '\\';
lstrcpyW( p, pDesc->wszFileName );
}
TRACE(": loading from file (%s)\n", debugstr_w(wzFileName));
result = DMUSIC_CreateLoaderStream ((LPSTREAM*)&pStream);
if (FAILED(result)) return result;
result = ILoaderStream_Attach (pStream, wzFileName, (LPDIRECTMUSICLOADER)iface);
if (FAILED(result)) return result;
result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*)&pPersistStream);
if (FAILED(result)) return result;
result = IPersistStream_Load (pPersistStream, (LPSTREAM)pStream);
if (FAILED(result)) return result;
ILoaderStream_IStream_Release ((LPSTREAM)pStream);
IPersistStream_Release (pPersistStream);
} else if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
/* load object from stream */
IStream* pClonedStream = NULL;
IPersistStream* pPersistStream = NULL;
TRACE(": loading from stream\n");
result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*)&pPersistStream);
if (FAILED(result)) {
TRACE("couln\'t get IPersistStream\n");
return result;
}
result = IStream_Clone (pDesc->pStream, &pClonedStream);
if (FAILED(result)) {
TRACE("failed to clone\n");
return result;
}
result = IPersistStream_Load (pPersistStream, pClonedStream);
if (FAILED(result)) {
TRACE("failed to load\n");
return result;
}
IPersistStream_Release (pPersistStream);
IStream_Release (pClonedStream);
} else if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
/* load object by GUID */
TRACE(": loading by GUID (only default DLS supported)\n");
if (IsEqualGUID (&pDesc->guidObject, &GUID_DefaultGMCollection)) {
/* great idea: let's just change dwValid and wszFileName fields and then call ourselves again :D */
pDesc->dwValidData = DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH;
if (FAILED(DMUSIC_GetDefaultGMPath (pDesc->wszFileName)))
return E_FAIL;
return IDirectMusicLoader8Impl_GetObject (iface, pDesc, riid, ppv);
} else {
return E_FAIL;
}
} else {
/* nowhere to load from */
FIXME(": unknown/unsupported way of loading\n");
return E_FAIL;
}
memset((LPVOID)&desc, 0, sizeof(desc));
desc.dwSize = sizeof (DMUS_OBJECTDESC);
IDirectMusicObject_GetDescriptor (pObject, &desc);
/* tests with native dlls show that descriptor, which is received by GetDescriptor doesn't contain filepath
therefore we must copy it from input description */
if (pDesc->dwValidData & DMUS_OBJ_FILENAME || desc.dwValidData & DMUS_OBJ_OBJECT) {
DMUS_PRIVATE_CACHE_ENTRY CacheEntry;
This->dwCacheSize++; /* increase size of cache for one entry */
This->pCache = HeapReAlloc (GetProcessHeap (), 0, This->pCache, sizeof(DMUS_PRIVATE_CACHE_ENTRY) * This->dwCacheSize);
if (desc.dwValidData & DMUS_OBJ_OBJECT)
CacheEntry.guidObject = desc.guidObject;
if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
strncpyW (CacheEntry.pwzFileName, pDesc->wszFileName, MAX_PATH);
CacheEntry.pObject = pObject;
IDirectMusicObject_AddRef (pObject); /* MSDN says that we should */
This->pCache[This->dwCacheSize - 1] = CacheEntry; /* fill in one backward, as list is zero based */
TRACE(": filled in cache entry\n");
}
TRACE(": nr. of entries = %ld\n", This->dwCacheSize);
for (i = 0; i < This->dwCacheSize; i++) {
TRACE(": cache entry [%i]: GUID = %s, file name = %s, object = %p\n", i, debugstr_guid(&This->pCache[i].guidObject), debugstr_w(This->pCache[i].pwzFileName), This->pCache[i].pObject);
}
return IDirectMusicObject_QueryInterface (pObject, riid, ppv);
}
HRESULT WINAPI IDirectMusicLoader8Impl_SetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc)
{
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %p): stub\n", This, pDesc);
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_SetSearchDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzPath, BOOL fClear)
{
ICOM_THIS(IDirectMusicLoader8Impl,iface);
TRACE("(%p, %s, %p, %d)\n", This, debugstr_guid(rguidClass), pwzPath, fClear);
if (0 == strncmpW(This->wzSearchPath, pwzPath, MAX_PATH)) {
return S_FALSE;
}
strncpyW(This->wzSearchPath, pwzPath, MAX_PATH);
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_ScanDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzFileExtension, WCHAR* pwzScanFileName)
{
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %s, %p, %p): stub\n", This, debugstr_guid(rguidClass), pwzFileExtension, pwzScanFileName);
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_CacheObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject)
{
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %p): stub\n", This, pObject);
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_ReleaseObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject)
{
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %p): stub\n", This, pObject);
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_ClearCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass)
{
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %s): stub\n", This, debugstr_guid(rguidClass));
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_EnableCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, BOOL fEnable)
{
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %s, %d): stub\n", This, debugstr_guid(rguidClass), fEnable);
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_EnumObject (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, DWORD dwIndex, LPDMUS_OBJECTDESC pDesc)
{
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %s, %ld, %p): stub\n", This, debugstr_guid(rguidClass), dwIndex, pDesc);
return S_OK;
}
/* IDirectMusicLoader8 Interface part follow: */
void WINAPI IDirectMusicLoader8Impl_CollectGarbage (LPDIRECTMUSICLOADER8 iface)
{
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p): stub\n", This);
}
HRESULT WINAPI IDirectMusicLoader8Impl_ReleaseObjectByUnknown (LPDIRECTMUSICLOADER8 iface, IUnknown* pObject)
{
ICOM_THIS(IDirectMusicLoader8Impl,iface);
FIXME("(%p, %p): stub\n", This, pObject);
return S_OK;
}
HRESULT WINAPI IDirectMusicLoader8Impl_LoadObjectFromFile (LPDIRECTMUSICLOADER8 iface,
REFGUID rguidClassID,
REFIID iidInterfaceID,
WCHAR* pwzFilePath,
void** ppObject)
{
ICOM_THIS(IDirectMusicLoader8Impl,iface);
DMUS_OBJECTDESC ObjDesc;
TRACE("(%p, %s, %s, %s, %p): wrapping to IDirectMusicLoader8Impl_GetObject\n", This, debugstr_guid(rguidClassID), debugstr_guid(iidInterfaceID), debugstr_w(pwzFilePath), ppObject);
ObjDesc.dwSize = sizeof(DMUS_OBJECTDESC);
ObjDesc.dwValidData = DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_CLASS; /* I believe I've read somewhere in MSDN that this function requires either full path or relative path */
ObjDesc.guidClass = *rguidClassID;
strncpyW (ObjDesc.wszFileName, pwzFilePath, MAX_PATH);
return IDirectMusicLoader8Impl_GetObject (iface, &ObjDesc, iidInterfaceID, ppObject);
}
ICOM_VTABLE(IDirectMusicLoader8) DirectMusicLoader8_Vtbl =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
IDirectMusicLoader8Impl_QueryInterface,
IDirectMusicLoader8Impl_AddRef,
IDirectMusicLoader8Impl_Release,
IDirectMusicLoader8Impl_GetObject,
IDirectMusicLoader8Impl_SetObject,
IDirectMusicLoader8Impl_SetSearchDirectory,
IDirectMusicLoader8Impl_ScanDirectory,
IDirectMusicLoader8Impl_CacheObject,
IDirectMusicLoader8Impl_ReleaseObject,
IDirectMusicLoader8Impl_ClearCache,
IDirectMusicLoader8Impl_EnableCache,
IDirectMusicLoader8Impl_EnumObject,
IDirectMusicLoader8Impl_CollectGarbage,
IDirectMusicLoader8Impl_ReleaseObjectByUnknown,
IDirectMusicLoader8Impl_LoadObjectFromFile
};
/* for ClassFactory */
HRESULT WINAPI DMUSIC_CreateDirectMusicLoader (LPCGUID lpcGUID, LPDIRECTMUSICLOADER8 *ppDMLoad, LPUNKNOWN pUnkOuter)
{
IDirectMusicLoader8Impl *dmloader;
TRACE("(%p,%p,%p)\n",lpcGUID, ppDMLoad, pUnkOuter);
if (IsEqualIID (lpcGUID, &IID_IDirectMusicLoader) ||
IsEqualIID (lpcGUID, &IID_IDirectMusicLoader8)) {
dmloader = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicLoader8Impl));
if (NULL == dmloader) {
*ppDMLoad = (LPDIRECTMUSICLOADER8)NULL;
return E_OUTOFMEMORY;
}
dmloader->lpVtbl = &DirectMusicLoader8_Vtbl;
dmloader->ref = 1;
*ppDMLoad = (LPDIRECTMUSICLOADER8)dmloader;
return S_OK;
}
WARN("No interface found\n");
return E_NOINTERFACE;
}
/* help function for IDirectMusicLoader8Impl_GetObject */
HRESULT WINAPI DMUSIC_GetDefaultGMPath (WCHAR wszPath[MAX_PATH])
{
HKEY hkDM;
DWORD returnType, sizeOfReturnBuffer = MAX_PATH;
char szPath[MAX_PATH];
if ((RegOpenKeyExA (HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectMusic" , 0, KEY_READ, &hkDM) != ERROR_SUCCESS) ||
(RegQueryValueExA (hkDM, "GMFilePath", NULL, &returnType, szPath, &sizeOfReturnBuffer) != ERROR_SUCCESS)) {
WARN(": registry entry missing\n" );
return E_FAIL;
}
/* FIXME: Check return types to ensure we're interpreting data right */
MultiByteToWideChar (CP_ACP, 0, szPath, -1, wszPath, MAX_PATH);
return S_OK;
}