387 lines
13 KiB
C
387 lines
13 KiB
C
/* IDirectMusicLoader8 Implementation
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*
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* Copyright (C) 2003 Rok Mandeljc
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "wingdi.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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#include "winreg.h"
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#include "dmloader_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dmloader);
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HRESULT WINAPI DMUSIC_GetDefaultGMPath (WCHAR wszPath[MAX_PATH]);
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/* IDirectMusicLoader8 IUnknown part: */
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HRESULT WINAPI IDirectMusicLoader8Impl_QueryInterface (LPDIRECTMUSICLOADER8 iface, REFIID riid, LPVOID *ppobj)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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if (IsEqualIID (riid, &IID_IUnknown) ||
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IsEqualIID (riid, &IID_IDirectMusicLoader) ||
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IsEqualIID (riid, &IID_IDirectMusicLoader8)) {
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IDirectMusicLoader8Impl_AddRef(iface);
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*ppobj = This;
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return S_OK;
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}
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WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
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return E_NOINTERFACE;
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}
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ULONG WINAPI IDirectMusicLoader8Impl_AddRef (LPDIRECTMUSICLOADER8 iface)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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TRACE("(%p) : AddRef from %ld\n", This, This->ref);
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return ++(This->ref);
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}
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ULONG WINAPI IDirectMusicLoader8Impl_Release (LPDIRECTMUSICLOADER8 iface)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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ULONG ref = --This->ref;
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TRACE("(%p) : ReleaseRef to %ld\n", This, This->ref);
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if (ref == 0) {
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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/* IDirectMusicLoader8 IDirectMusicLoader part: */
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HRESULT WINAPI IDirectMusicLoader8Impl_GetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc, REFIID riid, LPVOID* ppv)
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{
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IDirectMusicObject* pObject;
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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HRESULT result;
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struct list *listEntry;
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DMUS_PRIVATE_CACHE_ENTRY *cacheEntry;
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LPDMUS_PRIVATE_CACHE_ENTRY newEntry;
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TRACE("(%p, %p, %s, %p)\n", This, pDesc, debugstr_guid(riid), ppv);
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TRACE("looking up cache...\n");
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LIST_FOR_EACH (listEntry, &This->CacheList) {
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cacheEntry = LIST_ENTRY( listEntry, DMUS_PRIVATE_CACHE_ENTRY, entry );
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if ((pDesc->dwValidData & DMUS_OBJ_OBJECT) || (pDesc->dwValidData & DMUS_OBJ_FILENAME)) {
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if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
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if (IsEqualGUID (&cacheEntry->guidObject, &pDesc->guidObject)) {
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TRACE(": found it by GUID\n");
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if (cacheEntry->pObject)
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return IDirectMusicObject_QueryInterface ((LPDIRECTMUSICOBJECT)cacheEntry->pObject, riid, ppv);
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}
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}
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if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
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if (cacheEntry->wzFileName && !strncmpW (pDesc->wszFileName, cacheEntry->wzFileName, MAX_PATH)) {
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TRACE(": found it by FileName\n");
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if (cacheEntry->pObject)
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return IDirectMusicObject_QueryInterface ((LPDIRECTMUSICOBJECT)cacheEntry->pObject, riid, ppv);
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}
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}
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}
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}
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/* object doesn't exist in cache... guess we'll have to load it */
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TRACE(": object does not exist in cache\n");
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result = CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*)&pObject);
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if (FAILED(result)) return result;
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if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
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/* load object from file */
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WCHAR wzFileName[MAX_PATH];
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ILoaderStream* pStream;
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IPersistStream *pPersistStream = NULL;
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/* if it's full path, don't add search directory path, otherwise do */
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if (pDesc->dwValidData & DMUS_OBJ_FULLPATH) {
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lstrcpyW( wzFileName, pDesc->wszFileName );
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} else {
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WCHAR *p;
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lstrcpyW( wzFileName, This->wzSearchPath );
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p = wzFileName + lstrlenW(wzFileName);
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if (p > wzFileName && p[-1] != '\\') *p++ = '\\';
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strcpyW( p, pDesc->wszFileName );
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}
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TRACE(": loading from file (%s)\n", debugstr_w(wzFileName));
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result = DMUSIC_CreateLoaderStream ((LPSTREAM*)&pStream);
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if (FAILED(result)) return result;
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result = ILoaderStream_Attach (pStream, wzFileName, (LPDIRECTMUSICLOADER)iface);
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if (FAILED(result)) return result;
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result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*)&pPersistStream);
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if (FAILED(result)) return result;
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result = IPersistStream_Load (pPersistStream, (LPSTREAM)pStream);
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if (FAILED(result)) return result;
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ILoaderStream_IStream_Release ((LPSTREAM)pStream);
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IPersistStream_Release (pPersistStream);
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} else if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
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/* load object from stream */
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IStream* pClonedStream = NULL;
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IPersistStream* pPersistStream = NULL;
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TRACE(": loading from stream\n");
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result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*)&pPersistStream);
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if (FAILED(result)) return result;
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result = IStream_Clone (pDesc->pStream, &pClonedStream);
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if (FAILED(result)) return result;
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result = IPersistStream_Load (pPersistStream, pClonedStream);
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if (FAILED(result)) return result;
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IPersistStream_Release (pPersistStream);
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IStream_Release (pClonedStream);
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} else if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
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/* load object by GUID */
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TRACE(": loading by GUID (only default DLS supported)\n");
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if (IsEqualGUID (&pDesc->guidObject, &GUID_DefaultGMCollection)) {
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WCHAR wzFileName[MAX_PATH];
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IPersistStream *pPersistStream = NULL;
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ILoaderStream* pStream;
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if (FAILED(DMUSIC_GetDefaultGMPath (wzFileName)))
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return E_FAIL;
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/* load object from file */
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result = DMUSIC_CreateLoaderStream ((LPSTREAM*)&pStream);
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if (FAILED(result)) return result;
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result = ILoaderStream_Attach (pStream, wzFileName, (LPDIRECTMUSICLOADER)iface);
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if (FAILED(result)) return result;
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result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*)&pPersistStream);
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if (FAILED(result)) return result;
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result = IPersistStream_Load (pPersistStream, (LPSTREAM)pStream);
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if (FAILED(result)) return result;
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ILoaderStream_IStream_Release ((LPSTREAM)pStream);
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IPersistStream_Release (pPersistStream);
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} else {
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return E_FAIL;
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}
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} else {
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/* nowhere to load from */
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FIXME(": unknown/unsupported way of loading\n");
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return E_FAIL;
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}
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/* add object to cache */
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newEntry = (LPDMUS_PRIVATE_CACHE_ENTRY) HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_CACHE_ENTRY));
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if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
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memcpy (&newEntry->guidObject, &pDesc->guidObject, sizeof (pDesc->guidObject));
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if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
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strncpyW (newEntry->wzFileName, pDesc->wszFileName, MAX_PATH);
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if (pObject)
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newEntry->pObject = pObject;
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list_add_tail (&This->CacheList, &newEntry->entry);
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TRACE(": filled in cache entry\n");
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/* for debug purposes (e.g. to check if all files are cached) */
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#if 0
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int i = 0;
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LIST_FOR_EACH (listEntry, &This->CacheList) {
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i++;
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cacheEntry = LIST_ENTRY( listEntry, DMUS_PRIVATE_CACHE_ENTRY, entry );
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TRACE("Entry nr. %i: GUID = %s, FileName = %s\n", i, debugstr_guid (&cacheEntry->guidObject), debugstr_w (cacheEntry->wzFileName));
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}
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#endif
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return IDirectMusicObject_QueryInterface (pObject, riid, ppv);
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_SetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %p): stub\n", This, pDesc);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_SetSearchDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzPath, BOOL fClear)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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TRACE("(%p, %s, %p, %d)\n", This, debugstr_guid(rguidClass), pwzPath, fClear);
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if (0 == strncmpW(This->wzSearchPath, pwzPath, MAX_PATH)) {
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return S_FALSE;
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}
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strncpyW(This->wzSearchPath, pwzPath, MAX_PATH);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_ScanDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzFileExtension, WCHAR* pwzScanFileName)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %s, %p, %p): stub\n", This, debugstr_guid(rguidClass), pwzFileExtension, pwzScanFileName);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_CacheObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %p): stub\n", This, pObject);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_ReleaseObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %p): stub\n", This, pObject);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_ClearCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %s): stub\n", This, debugstr_guid(rguidClass));
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_EnableCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, BOOL fEnable)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %s, %d): stub\n", This, debugstr_guid(rguidClass), fEnable);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_EnumObject (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, DWORD dwIndex, LPDMUS_OBJECTDESC pDesc)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %s, %ld, %p): stub\n", This, debugstr_guid(rguidClass), dwIndex, pDesc);
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return S_OK;
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}
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/* IDirectMusicLoader8 Interface part follow: */
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void WINAPI IDirectMusicLoader8Impl_CollectGarbage (LPDIRECTMUSICLOADER8 iface)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p): stub\n", This);
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_ReleaseObjectByUnknown (LPDIRECTMUSICLOADER8 iface, IUnknown* pObject)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %p): stub\n", This, pObject);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_LoadObjectFromFile (LPDIRECTMUSICLOADER8 iface,
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REFGUID rguidClassID,
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REFIID iidInterfaceID,
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WCHAR* pwzFilePath,
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void** ppObject)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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DMUS_OBJECTDESC ObjDesc;
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TRACE("(%p, %s, %s, %s, %p): wrapping to IDirectMusicLoader8Impl_GetObject\n", This, debugstr_guid(rguidClassID), debugstr_guid(iidInterfaceID), debugstr_w(pwzFilePath), ppObject);
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ObjDesc.dwSize = sizeof(DMUS_OBJECTDESC);
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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 */
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ObjDesc.guidClass = *rguidClassID;
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strncpyW (ObjDesc.wszFileName, pwzFilePath, MAX_PATH);
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return IDirectMusicLoader8Impl_GetObject (iface, &ObjDesc, iidInterfaceID, ppObject);
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}
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ICOM_VTABLE(IDirectMusicLoader8) DirectMusicLoader8_Vtbl =
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{
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ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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IDirectMusicLoader8Impl_QueryInterface,
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IDirectMusicLoader8Impl_AddRef,
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IDirectMusicLoader8Impl_Release,
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IDirectMusicLoader8Impl_GetObject,
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IDirectMusicLoader8Impl_SetObject,
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IDirectMusicLoader8Impl_SetSearchDirectory,
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IDirectMusicLoader8Impl_ScanDirectory,
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IDirectMusicLoader8Impl_CacheObject,
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IDirectMusicLoader8Impl_ReleaseObject,
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IDirectMusicLoader8Impl_ClearCache,
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IDirectMusicLoader8Impl_EnableCache,
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IDirectMusicLoader8Impl_EnumObject,
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IDirectMusicLoader8Impl_CollectGarbage,
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IDirectMusicLoader8Impl_ReleaseObjectByUnknown,
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IDirectMusicLoader8Impl_LoadObjectFromFile
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};
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/* for ClassFactory */
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HRESULT WINAPI DMUSIC_CreateDirectMusicLoader (LPCGUID lpcGUID, LPDIRECTMUSICLOADER8 *ppDMLoad, LPUNKNOWN pUnkOuter)
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{
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IDirectMusicLoader8Impl *dmloader;
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TRACE("(%p,%p,%p)\n",lpcGUID, ppDMLoad, pUnkOuter);
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if (IsEqualIID (lpcGUID, &IID_IDirectMusicLoader) ||
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IsEqualIID (lpcGUID, &IID_IDirectMusicLoader8)) {
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dmloader = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicLoader8Impl));
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if (NULL == dmloader) {
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*ppDMLoad = (LPDIRECTMUSICLOADER8)NULL;
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return E_OUTOFMEMORY;
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}
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dmloader->lpVtbl = &DirectMusicLoader8_Vtbl;
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dmloader->ref = 1;
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list_init (&dmloader->CacheList);
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*ppDMLoad = (LPDIRECTMUSICLOADER8)dmloader;
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return S_OK;
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}
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WARN("No interface found\n");
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return E_NOINTERFACE;
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}
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/* help function for IDirectMusicLoader8Impl_GetObject */
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HRESULT WINAPI DMUSIC_GetDefaultGMPath (WCHAR wszPath[MAX_PATH])
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{
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HKEY hkDM;
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DWORD returnType, sizeOfReturnBuffer = MAX_PATH;
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char szPath[MAX_PATH];
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if ((RegOpenKeyExA (HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectMusic" , 0, KEY_READ, &hkDM) != ERROR_SUCCESS) ||
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(RegQueryValueExA (hkDM, "GMFilePath", NULL, &returnType, szPath, &sizeOfReturnBuffer) != ERROR_SUCCESS)) {
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WARN(": registry entry missing\n" );
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return E_FAIL;
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}
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/* FIXME: Check return types to ensure we're interpreting data right */
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MultiByteToWideChar (CP_ACP, 0, szPath, -1, wszPath, MAX_PATH);
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return S_OK;
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}
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