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reactos/dll/directx/wine/devenum/mediacatenum.c
Amine Khaldi c1585bb868 [DEVENUM] Sync with Wine Staging 4.18. CORE-16441
2019-10-20 18:56:05 +01:00

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/*
* IEnumMoniker implementation for DEVENUM.dll
*
* Copyright (C) 2002 Robert Shearman
*
* 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
*
* NOTES ON THIS FILE:
* - Implements IEnumMoniker interface which enumerates through moniker
* objects created from HKEY_CLASSES/CLSID/{DEVICE_CLSID}/Instance
*/
#include "devenum_private.h"
#include "oleauto.h"
#include "ocidl.h"
#include "dmoreg.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(devenum);
typedef struct
{
IEnumMoniker IEnumMoniker_iface;
CLSID class;
LONG ref;
IEnumDMO *dmo_enum;
HKEY sw_key;
DWORD sw_index;
HKEY cm_key;
DWORD cm_index;
} EnumMonikerImpl;
typedef struct
{
IPropertyBag IPropertyBag_iface;
LONG ref;
enum device_type type;
union
{
WCHAR path[MAX_PATH]; /* for filters and codecs */
CLSID clsid; /* for DMOs */
};
} RegPropBagImpl;
static inline RegPropBagImpl *impl_from_IPropertyBag(IPropertyBag *iface)
{
return CONTAINING_RECORD(iface, RegPropBagImpl, IPropertyBag_iface);
}
static HRESULT WINAPI DEVENUM_IPropertyBag_QueryInterface(
LPPROPERTYBAG iface,
REFIID riid,
LPVOID *ppvObj)
{
RegPropBagImpl *This = impl_from_IPropertyBag(iface);
TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppvObj);
if (This == NULL || ppvObj == NULL) return E_POINTER;
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IPropertyBag))
{
*ppvObj = iface;
IPropertyBag_AddRef(iface);
return S_OK;
}
FIXME("- no interface IID: %s\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
/**********************************************************************
* DEVENUM_IPropertyBag_AddRef (also IUnknown)
*/
static ULONG WINAPI DEVENUM_IPropertyBag_AddRef(LPPROPERTYBAG iface)
{
RegPropBagImpl *This = impl_from_IPropertyBag(iface);
TRACE("(%p)->() AddRef from %d\n", iface, This->ref);
return InterlockedIncrement(&This->ref);
}
/**********************************************************************
* DEVENUM_IPropertyBag_Release (also IUnknown)
*/
static ULONG WINAPI DEVENUM_IPropertyBag_Release(LPPROPERTYBAG iface)
{
RegPropBagImpl *This = impl_from_IPropertyBag(iface);
ULONG ref;
TRACE("(%p)->() ReleaseThis->ref from %d\n", iface, This->ref);
ref = InterlockedDecrement(&This->ref);
if (ref == 0) {
CoTaskMemFree(This);
DEVENUM_UnlockModule();
}
return ref;
}
static HRESULT WINAPI DEVENUM_IPropertyBag_Read(
LPPROPERTYBAG iface,
LPCOLESTR pszPropName,
VARIANT* pVar,
IErrorLog* pErrorLog)
{
static const WCHAR FriendlyNameW[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};
LPVOID pData = NULL;
DWORD received;
DWORD type = 0;
RegPropBagImpl *This = impl_from_IPropertyBag(iface);
HRESULT res = S_OK;
LONG reswin32 = ERROR_SUCCESS;
WCHAR name[80];
HKEY hkey;
TRACE("(%p)->(%s, %p, %p)\n", This, debugstr_w(pszPropName), pVar, pErrorLog);
if (!pszPropName || !pVar)
return E_POINTER;
if (This->type == DEVICE_DMO)
{
if (!lstrcmpW(pszPropName, FriendlyNameW))
{
res = DMOGetName(&This->clsid, name);
if (SUCCEEDED(res))
{
V_VT(pVar) = VT_BSTR;
V_BSTR(pVar) = SysAllocString(name);
}
return res;
}
return HRESULT_FROM_WIN32(ERROR_NOT_FOUND);
}
if (This->type == DEVICE_FILTER)
reswin32 = RegOpenKeyW(HKEY_CLASSES_ROOT, This->path, &hkey);
else if (This->type == DEVICE_CODEC)
reswin32 = RegOpenKeyW(HKEY_CURRENT_USER, This->path, &hkey);
res = HRESULT_FROM_WIN32(reswin32);
if (SUCCEEDED(res))
{
reswin32 = RegQueryValueExW(hkey, pszPropName, NULL, NULL, NULL, &received);
res = HRESULT_FROM_WIN32(reswin32);
}
if (SUCCEEDED(res))
{
pData = HeapAlloc(GetProcessHeap(), 0, received);
/* work around a GCC bug that occurs here unless we use the reswin32 variable as well */
reswin32 = RegQueryValueExW(hkey, pszPropName, NULL, &type, pData, &received);
res = HRESULT_FROM_WIN32(reswin32);
}
if (SUCCEEDED(res))
{
res = E_INVALIDARG; /* assume we cannot coerce into right type */
TRACE("Read %d bytes (%s)\n", received, type == REG_SZ ? debugstr_w(pData) : "binary data");
switch (type)
{
case REG_SZ:
switch (V_VT(pVar))
{
case VT_LPWSTR:
V_BSTR(pVar) = CoTaskMemAlloc(received);
memcpy(V_BSTR(pVar), pData, received);
res = S_OK;
break;
case VT_EMPTY:
V_VT(pVar) = VT_BSTR;
/* fall through */
case VT_BSTR:
V_BSTR(pVar) = SysAllocStringLen(pData, received/sizeof(WCHAR) - 1);
res = S_OK;
break;
}
break;
case REG_DWORD:
TRACE("REG_DWORD: %x\n", *(DWORD *)pData);
switch (V_VT(pVar))
{
case VT_EMPTY:
V_VT(pVar) = VT_I4;
/* fall through */
case VT_I4:
case VT_UI4:
V_I4(pVar) = *(DWORD *)pData;
res = S_OK;
break;
}
break;
case REG_BINARY:
{
SAFEARRAYBOUND bound;
void * pArrayElements;
bound.lLbound = 0;
bound.cElements = received;
TRACE("REG_BINARY: len = %d\n", received);
switch (V_VT(pVar))
{
case VT_EMPTY:
V_VT(pVar) = VT_ARRAY | VT_UI1;
/* fall through */
case VT_ARRAY | VT_UI1:
if (!(V_ARRAY(pVar) = SafeArrayCreate(VT_UI1, 1, &bound)))
res = E_OUTOFMEMORY;
else
res = S_OK;
break;
}
if (res == E_INVALIDARG)
break;
res = SafeArrayAccessData(V_ARRAY(pVar), &pArrayElements);
if (FAILED(res))
break;
CopyMemory(pArrayElements, pData, received);
res = SafeArrayUnaccessData(V_ARRAY(pVar));
break;
}
}
if (res == E_INVALIDARG)
FIXME("Variant type %x not supported for regtype %x\n", V_VT(pVar), type);
}
HeapFree(GetProcessHeap(), 0, pData);
RegCloseKey(hkey);
TRACE("<- %x\n", res);
return res;
}
static HRESULT WINAPI DEVENUM_IPropertyBag_Write(
LPPROPERTYBAG iface,
LPCOLESTR pszPropName,
VARIANT* pVar)
{
RegPropBagImpl *This = impl_from_IPropertyBag(iface);
LPVOID lpData = NULL;
DWORD cbData = 0;
DWORD dwType = 0;
HRESULT res = S_OK;
LONG lres = ERROR_SUCCESS;
HKEY hkey;
TRACE("(%p)->(%s, %p)\n", This, debugstr_w(pszPropName), pVar);
if (This->type == DEVICE_DMO)
return E_ACCESSDENIED;
switch (V_VT(pVar))
{
case VT_BSTR:
case VT_LPWSTR:
TRACE("writing %s\n", debugstr_w(V_BSTR(pVar)));
lpData = V_BSTR(pVar);
dwType = REG_SZ;
cbData = (lstrlenW(V_BSTR(pVar)) + 1) * sizeof(WCHAR);
break;
case VT_I4:
case VT_UI4:
TRACE("writing %u\n", V_UI4(pVar));
lpData = &V_UI4(pVar);
dwType = REG_DWORD;
cbData = sizeof(DWORD);
break;
case VT_ARRAY | VT_UI1:
{
LONG lUbound = 0;
LONG lLbound = 0;
dwType = REG_BINARY;
res = SafeArrayGetLBound(V_ARRAY(pVar), 1, &lLbound);
res = SafeArrayGetUBound(V_ARRAY(pVar), 1, &lUbound);
cbData = (lUbound - lLbound + 1) /* * sizeof(BYTE)*/;
TRACE("cbData: %d\n", cbData);
res = SafeArrayAccessData(V_ARRAY(pVar), &lpData);
break;
}
default:
FIXME("Variant type %d not handled\n", V_VT(pVar));
return E_FAIL;
}
if (This->type == DEVICE_FILTER)
lres = RegCreateKeyW(HKEY_CLASSES_ROOT, This->path, &hkey);
else if (This->type == DEVICE_CODEC)
lres = RegCreateKeyW(HKEY_CURRENT_USER, This->path, &hkey);
res = HRESULT_FROM_WIN32(lres);
if (SUCCEEDED(res))
{
lres = RegSetValueExW(hkey, pszPropName, 0, dwType, lpData, cbData);
res = HRESULT_FROM_WIN32(lres);
RegCloseKey(hkey);
}
if (V_VT(pVar) & VT_ARRAY)
res = SafeArrayUnaccessData(V_ARRAY(pVar));
return res;
}
static const IPropertyBagVtbl IPropertyBag_Vtbl =
{
DEVENUM_IPropertyBag_QueryInterface,
DEVENUM_IPropertyBag_AddRef,
DEVENUM_IPropertyBag_Release,
DEVENUM_IPropertyBag_Read,
DEVENUM_IPropertyBag_Write
};
static HRESULT create_PropertyBag(MediaCatMoniker *mon, IPropertyBag **ppBag)
{
RegPropBagImpl * rpb = CoTaskMemAlloc(sizeof(RegPropBagImpl));
if (!rpb)
return E_OUTOFMEMORY;
rpb->IPropertyBag_iface.lpVtbl = &IPropertyBag_Vtbl;
rpb->ref = 1;
rpb->type = mon->type;
if (rpb->type == DEVICE_DMO)
rpb->clsid = mon->clsid;
else if (rpb->type == DEVICE_FILTER)
{
lstrcpyW(rpb->path, clsidW);
lstrcatW(rpb->path, backslashW);
if (mon->has_class)
{
StringFromGUID2(&mon->class, rpb->path + lstrlenW(rpb->path), CHARS_IN_GUID);
lstrcatW(rpb->path, instanceW);
lstrcatW(rpb->path, backslashW);
}
lstrcatW(rpb->path, mon->name);
}
else if (rpb->type == DEVICE_CODEC)
{
lstrcpyW(rpb->path, wszActiveMovieKey);
if (mon->has_class)
{
StringFromGUID2(&mon->class, rpb->path + lstrlenW(rpb->path), CHARS_IN_GUID);
lstrcatW(rpb->path, backslashW);
}
lstrcatW(rpb->path, mon->name);
}
*ppBag = &rpb->IPropertyBag_iface;
DEVENUM_LockModule();
return S_OK;
}
static inline MediaCatMoniker *impl_from_IMoniker(IMoniker *iface)
{
return CONTAINING_RECORD(iface, MediaCatMoniker, IMoniker_iface);
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_QueryInterface(IMoniker *iface, REFIID riid,
void **ppv)
{
TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
if (!ppv)
return E_POINTER;
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IPersist) ||
IsEqualGUID(riid, &IID_IPersistStream) ||
IsEqualGUID(riid, &IID_IMoniker))
{
*ppv = iface;
IMoniker_AddRef(iface);
return S_OK;
}
FIXME("- no interface IID: %s\n", debugstr_guid(riid));
*ppv = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI DEVENUM_IMediaCatMoniker_AddRef(IMoniker *iface)
{
MediaCatMoniker *This = impl_from_IMoniker(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI DEVENUM_IMediaCatMoniker_Release(IMoniker *iface)
{
MediaCatMoniker *This = impl_from_IMoniker(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if (ref == 0) {
CoTaskMemFree(This->name);
CoTaskMemFree(This);
DEVENUM_UnlockModule();
}
return ref;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetClassID(IMoniker *iface, CLSID *pClassID)
{
MediaCatMoniker *This = impl_from_IMoniker(iface);
TRACE("(%p)->(%p)\n", This, pClassID);
if (pClassID == NULL)
return E_INVALIDARG;
*pClassID = CLSID_CDeviceMoniker;
return S_OK;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsDirty(IMoniker *iface)
{
FIXME("(%p)->(): stub\n", iface);
return S_FALSE;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Load(IMoniker *iface, IStream *pStm)
{
FIXME("(%p)->(%p): stub\n", iface, pStm);
return E_NOTIMPL;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Save(IMoniker *iface, IStream *pStm, BOOL fClearDirty)
{
FIXME("(%p)->(%p, %s): stub\n", iface, pStm, fClearDirty ? "true" : "false");
return STG_E_CANTSAVE;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetSizeMax(IMoniker *iface, ULARGE_INTEGER *pcbSize)
{
FIXME("(%p)->(%p): stub\n", iface, pcbSize);
ZeroMemory(pcbSize, sizeof(*pcbSize));
return S_OK;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_BindToObject(IMoniker *iface, IBindCtx *pbc,
IMoniker *pmkToLeft, REFIID riidResult, void **ppvResult)
{
MediaCatMoniker *This = impl_from_IMoniker(iface);
IUnknown * pObj = NULL;
IPropertyBag * pProp = NULL;
CLSID clsID;
VARIANT var;
HRESULT res = E_FAIL;
TRACE("(%p)->(%p, %p, %s, %p)\n", This, pbc, pmkToLeft, debugstr_guid(riidResult), ppvResult);
if (!ppvResult)
return E_POINTER;
VariantInit(&var);
*ppvResult = NULL;
if(pmkToLeft==NULL)
{
/* first activation of this class */
LPVOID pvptr;
res=IMoniker_BindToStorage(iface, NULL, NULL, &IID_IPropertyBag, &pvptr);
pProp = pvptr;
if (SUCCEEDED(res))
{
V_VT(&var) = VT_LPWSTR;
res = IPropertyBag_Read(pProp, clsidW, &var, NULL);
}
if (SUCCEEDED(res))
{
res = CLSIDFromString(V_BSTR(&var), &clsID);
CoTaskMemFree(V_BSTR(&var));
}
if (SUCCEEDED(res))
{
res=CoCreateInstance(&clsID,NULL,CLSCTX_ALL,&IID_IUnknown,&pvptr);
pObj = pvptr;
}
}
if (pObj!=NULL)
{
/* get the requested interface from the loaded class */
res = S_OK;
if (pProp) {
HRESULT res2;
LPVOID ppv = NULL;
res2 = IUnknown_QueryInterface(pObj, &IID_IPersistPropertyBag, &ppv);
if (SUCCEEDED(res2)) {
res = IPersistPropertyBag_Load((IPersistPropertyBag *) ppv, pProp, NULL);
IPersistPropertyBag_Release((IPersistPropertyBag *) ppv);
}
}
if (SUCCEEDED(res))
res= IUnknown_QueryInterface(pObj,riidResult,ppvResult);
IUnknown_Release(pObj);
}
if (pProp)
{
IPropertyBag_Release(pProp);
}
TRACE("<- 0x%x\n", res);
return res;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_BindToStorage(IMoniker *iface, IBindCtx *pbc,
IMoniker *pmkToLeft, REFIID riid, void **ppvObj)
{
MediaCatMoniker *This = impl_from_IMoniker(iface);
TRACE("(%p)->(%p, %p, %s, %p)\n", This, pbc, pmkToLeft, debugstr_guid(riid), ppvObj);
*ppvObj = NULL;
if (pmkToLeft)
return MK_E_NOSTORAGE;
if (pbc != NULL)
{
static DWORD reported;
if (!reported)
{
FIXME("ignoring IBindCtx %p\n", pbc);
reported++;
}
}
if (IsEqualGUID(riid, &IID_IPropertyBag))
{
return create_PropertyBag(This, (IPropertyBag**)ppvObj);
}
return MK_E_NOSTORAGE;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Reduce(IMoniker *iface, IBindCtx *pbc,
DWORD dwReduceHowFar, IMoniker **ppmkToLeft, IMoniker **ppmkReduced)
{
TRACE("(%p)->(%p, %d, %p, %p)\n", iface, pbc, dwReduceHowFar, ppmkToLeft, ppmkReduced);
if (ppmkToLeft)
*ppmkToLeft = NULL;
*ppmkReduced = iface;
return MK_S_REDUCED_TO_SELF;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_ComposeWith(IMoniker *iface, IMoniker *pmkRight,
BOOL fOnlyIfNotGeneric, IMoniker **ppmkComposite)
{
FIXME("(%p)->(%p, %s, %p): stub\n", iface, pmkRight, fOnlyIfNotGeneric ? "true" : "false", ppmkComposite);
/* FIXME: use CreateGenericComposite? */
*ppmkComposite = NULL;
return E_NOTIMPL;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Enum(IMoniker *iface, BOOL fForward,
IEnumMoniker **ppenumMoniker)
{
FIXME("(%p)->(%s, %p): stub\n", iface, fForward ? "true" : "false", ppenumMoniker);
*ppenumMoniker = NULL;
return S_OK;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsEqual(IMoniker *iface, IMoniker *pmkOtherMoniker)
{
CLSID clsid;
LPOLESTR this_name, other_name;
IBindCtx *bind;
HRESULT res;
TRACE("(%p)->(%p)\n", iface, pmkOtherMoniker);
if (!pmkOtherMoniker)
return E_INVALIDARG;
IMoniker_GetClassID(pmkOtherMoniker, &clsid);
if (!IsEqualCLSID(&clsid, &CLSID_CDeviceMoniker))
return S_FALSE;
res = CreateBindCtx(0, &bind);
if (FAILED(res))
return res;
res = S_FALSE;
if (SUCCEEDED(IMoniker_GetDisplayName(iface, bind, NULL, &this_name)) &&
SUCCEEDED(IMoniker_GetDisplayName(pmkOtherMoniker, bind, NULL, &other_name)))
{
int result = lstrcmpiW(this_name, other_name);
CoTaskMemFree(this_name);
CoTaskMemFree(other_name);
if (!result)
res = S_OK;
}
IBindCtx_Release(bind);
return res;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Hash(IMoniker *iface, DWORD *pdwHash)
{
TRACE("(%p)->(%p)\n", iface, pdwHash);
*pdwHash = 0;
return S_OK;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsRunning(IMoniker *iface, IBindCtx *pbc,
IMoniker *pmkToLeft, IMoniker *pmkNewlyRunning)
{
FIXME("(%p)->(%p, %p, %p): stub\n", iface, pbc, pmkToLeft, pmkNewlyRunning);
return S_FALSE;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetTimeOfLastChange(IMoniker *iface, IBindCtx *pbc,
IMoniker *pmkToLeft, FILETIME *pFileTime)
{
TRACE("(%p)->(%p, %p, %p)\n", iface, pbc, pmkToLeft, pFileTime);
pFileTime->dwLowDateTime = 0xFFFFFFFF;
pFileTime->dwHighDateTime = 0x7FFFFFFF;
return MK_E_UNAVAILABLE;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Inverse(IMoniker *iface, IMoniker **ppmk)
{
TRACE("(%p)->(%p)\n", iface, ppmk);
*ppmk = NULL;
return MK_E_NOINVERSE;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_CommonPrefixWith(IMoniker *iface,
IMoniker *pmkOtherMoniker, IMoniker **ppmkPrefix)
{
TRACE("(%p)->(%p, %p)\n", iface, pmkOtherMoniker, ppmkPrefix);
*ppmkPrefix = NULL;
return MK_E_NOPREFIX;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_RelativePathTo(IMoniker *iface, IMoniker *pmkOther,
IMoniker **ppmkRelPath)
{
TRACE("(%p)->(%p, %p)\n", iface, pmkOther, ppmkRelPath);
*ppmkRelPath = pmkOther;
return MK_S_HIM;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetDisplayName(IMoniker *iface, IBindCtx *pbc,
IMoniker *pmkToLeft, LPOLESTR *ppszDisplayName)
{
MediaCatMoniker *This = impl_from_IMoniker(iface);
WCHAR *buffer;
TRACE("(%p)->(%p, %p, %p)\n", iface, pbc, pmkToLeft, ppszDisplayName);
*ppszDisplayName = NULL;
if (This->type == DEVICE_DMO)
{
buffer = CoTaskMemAlloc((lstrlenW(deviceW) + lstrlenW(dmoW)
+ 2 * CHARS_IN_GUID + 1) * sizeof(WCHAR));
if (!buffer) return E_OUTOFMEMORY;
lstrcpyW(buffer, deviceW);
lstrcatW(buffer, dmoW);
StringFromGUID2(&This->clsid, buffer + lstrlenW(buffer), CHARS_IN_GUID);
StringFromGUID2(&This->class, buffer + lstrlenW(buffer), CHARS_IN_GUID);
}
else
{
buffer = CoTaskMemAlloc((lstrlenW(deviceW) + 3 + (This->has_class ? CHARS_IN_GUID : 0)
+ lstrlenW(This->name) + 1) * sizeof(WCHAR));
if (!buffer) return E_OUTOFMEMORY;
lstrcpyW(buffer, deviceW);
if (This->type == DEVICE_FILTER)
lstrcatW(buffer, swW);
else if (This->type == DEVICE_CODEC)
lstrcatW(buffer, cmW);
if (This->has_class)
{
StringFromGUID2(&This->class, buffer + lstrlenW(buffer), CHARS_IN_GUID);
lstrcatW(buffer, backslashW);
}
lstrcatW(buffer, This->name);
}
*ppszDisplayName = buffer;
return S_OK;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_ParseDisplayName(IMoniker *iface, IBindCtx *pbc,
IMoniker *pmkToLeft, LPOLESTR pszDisplayName, ULONG *pchEaten, IMoniker **ppmkOut)
{
FIXME("(%p)->(%p, %p, %s, %p, %p)\n", iface, pbc, pmkToLeft, debugstr_w(pszDisplayName), pchEaten, ppmkOut);
*pchEaten = 0;
*ppmkOut = NULL;
return MK_E_SYNTAX;
}
static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsSystemMoniker(IMoniker *iface, DWORD *pdwMksys)
{
TRACE("(%p)->(%p)\n", iface, pdwMksys);
return S_FALSE;
}
static const IMonikerVtbl IMoniker_Vtbl =
{
DEVENUM_IMediaCatMoniker_QueryInterface,
DEVENUM_IMediaCatMoniker_AddRef,
DEVENUM_IMediaCatMoniker_Release,
DEVENUM_IMediaCatMoniker_GetClassID,
DEVENUM_IMediaCatMoniker_IsDirty,
DEVENUM_IMediaCatMoniker_Load,
DEVENUM_IMediaCatMoniker_Save,
DEVENUM_IMediaCatMoniker_GetSizeMax,
DEVENUM_IMediaCatMoniker_BindToObject,
DEVENUM_IMediaCatMoniker_BindToStorage,
DEVENUM_IMediaCatMoniker_Reduce,
DEVENUM_IMediaCatMoniker_ComposeWith,
DEVENUM_IMediaCatMoniker_Enum,
DEVENUM_IMediaCatMoniker_IsEqual,
DEVENUM_IMediaCatMoniker_Hash,
DEVENUM_IMediaCatMoniker_IsRunning,
DEVENUM_IMediaCatMoniker_GetTimeOfLastChange,
DEVENUM_IMediaCatMoniker_Inverse,
DEVENUM_IMediaCatMoniker_CommonPrefixWith,
DEVENUM_IMediaCatMoniker_RelativePathTo,
DEVENUM_IMediaCatMoniker_GetDisplayName,
DEVENUM_IMediaCatMoniker_ParseDisplayName,
DEVENUM_IMediaCatMoniker_IsSystemMoniker
};
MediaCatMoniker * DEVENUM_IMediaCatMoniker_Construct(void)
{
MediaCatMoniker * pMoniker = NULL;
pMoniker = CoTaskMemAlloc(sizeof(MediaCatMoniker));
if (!pMoniker)
return NULL;
pMoniker->IMoniker_iface.lpVtbl = &IMoniker_Vtbl;
pMoniker->ref = 0;
pMoniker->has_class = FALSE;
pMoniker->name = NULL;
DEVENUM_IMediaCatMoniker_AddRef(&pMoniker->IMoniker_iface);
DEVENUM_LockModule();
return pMoniker;
}
static inline EnumMonikerImpl *impl_from_IEnumMoniker(IEnumMoniker *iface)
{
return CONTAINING_RECORD(iface, EnumMonikerImpl, IEnumMoniker_iface);
}
static HRESULT WINAPI DEVENUM_IEnumMoniker_QueryInterface(IEnumMoniker *iface, REFIID riid,
void **ppv)
{
TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
if (!ppv)
return E_POINTER;
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IEnumMoniker))
{
*ppv = iface;
IEnumMoniker_AddRef(iface);
return S_OK;
}
FIXME("- no interface IID: %s\n", debugstr_guid(riid));
*ppv = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI DEVENUM_IEnumMoniker_AddRef(IEnumMoniker *iface)
{
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI DEVENUM_IEnumMoniker_Release(IEnumMoniker *iface)
{
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if (!ref)
{
IEnumDMO_Release(This->dmo_enum);
RegCloseKey(This->sw_key);
RegCloseKey(This->cm_key);
CoTaskMemFree(This);
DEVENUM_UnlockModule();
return 0;
}
return ref;
}
static HRESULT WINAPI DEVENUM_IEnumMoniker_Next(IEnumMoniker *iface, ULONG celt, IMoniker **rgelt,
ULONG *pceltFetched)
{
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
WCHAR buffer[MAX_PATH + 1];
LONG res;
ULONG fetched = 0;
MediaCatMoniker * pMoniker;
CLSID clsid;
HRESULT hr;
HKEY hkey;
TRACE("(%p)->(%d, %p, %p)\n", iface, celt, rgelt, pceltFetched);
while (fetched < celt)
{
/* FIXME: try PNP devices first */
/* try DMOs */
if ((hr = IEnumDMO_Next(This->dmo_enum, 1, &clsid, NULL, NULL)) == S_OK)
{
if (!(pMoniker = DEVENUM_IMediaCatMoniker_Construct()))
return E_OUTOFMEMORY;
pMoniker->type = DEVICE_DMO;
pMoniker->clsid = clsid;
StringFromGUID2(&clsid, buffer, CHARS_IN_GUID);
StringFromGUID2(&This->class, buffer + CHARS_IN_GUID - 1, CHARS_IN_GUID);
}
/* try DirectShow filters */
else if (!(res = RegEnumKeyW(This->sw_key, This->sw_index, buffer, ARRAY_SIZE(buffer))))
{
This->sw_index++;
if ((res = RegOpenKeyExW(This->sw_key, buffer, 0, KEY_QUERY_VALUE, &hkey)))
break;
if (!(pMoniker = DEVENUM_IMediaCatMoniker_Construct()))
return E_OUTOFMEMORY;
pMoniker->type = DEVICE_FILTER;
if (!(pMoniker->name = CoTaskMemAlloc((lstrlenW(buffer) + 1) * sizeof(WCHAR))))
{
IMoniker_Release(&pMoniker->IMoniker_iface);
return E_OUTOFMEMORY;
}
lstrcpyW(pMoniker->name, buffer);
}
/* then try codecs */
else if (!(res = RegEnumKeyW(This->cm_key, This->cm_index, buffer, ARRAY_SIZE(buffer))))
{
This->cm_index++;
if ((res = RegOpenKeyExW(This->cm_key, buffer, 0, KEY_QUERY_VALUE, &hkey)))
break;
if (!(pMoniker = DEVENUM_IMediaCatMoniker_Construct()))
return E_OUTOFMEMORY;
pMoniker->type = DEVICE_CODEC;
if (!(pMoniker->name = CoTaskMemAlloc((lstrlenW(buffer) + 1) * sizeof(WCHAR))))
{
IMoniker_Release(&pMoniker->IMoniker_iface);
return E_OUTOFMEMORY;
}
lstrcpyW(pMoniker->name, buffer);
}
else
break;
pMoniker->has_class = TRUE;
pMoniker->class = This->class;
rgelt[fetched] = &pMoniker->IMoniker_iface;
fetched++;
}
TRACE("-- fetched %d\n", fetched);
if (pceltFetched)
*pceltFetched = fetched;
if (fetched != celt)
return S_FALSE;
else
return S_OK;
}
static HRESULT WINAPI DEVENUM_IEnumMoniker_Skip(IEnumMoniker *iface, ULONG celt)
{
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
TRACE("(%p)->(%d)\n", iface, celt);
while (celt--)
{
/* FIXME: try PNP devices first */
/* try DMOs */
if (IEnumDMO_Skip(This->dmo_enum, 1) == S_OK)
;
/* try DirectShow filters */
else if (RegEnumKeyW(This->sw_key, This->sw_index, NULL, 0) != ERROR_NO_MORE_ITEMS)
{
This->sw_index++;
}
/* then try codecs */
else if (RegEnumKeyW(This->cm_key, This->cm_index, NULL, 0) != ERROR_NO_MORE_ITEMS)
{
This->cm_index++;
}
else
return S_FALSE;
}
return S_OK;
}
static HRESULT WINAPI DEVENUM_IEnumMoniker_Reset(IEnumMoniker *iface)
{
EnumMonikerImpl *This = impl_from_IEnumMoniker(iface);
TRACE("(%p)->()\n", iface);
IEnumDMO_Reset(This->dmo_enum);
This->sw_index = 0;
This->cm_index = 0;
return S_OK;
}
static HRESULT WINAPI DEVENUM_IEnumMoniker_Clone(IEnumMoniker *iface, IEnumMoniker **ppenum)
{
FIXME("(%p)->(%p): stub\n", iface, ppenum);
return E_NOTIMPL;
}
/**********************************************************************
* IEnumMoniker_Vtbl
*/
static const IEnumMonikerVtbl IEnumMoniker_Vtbl =
{
DEVENUM_IEnumMoniker_QueryInterface,
DEVENUM_IEnumMoniker_AddRef,
DEVENUM_IEnumMoniker_Release,
DEVENUM_IEnumMoniker_Next,
DEVENUM_IEnumMoniker_Skip,
DEVENUM_IEnumMoniker_Reset,
DEVENUM_IEnumMoniker_Clone
};
HRESULT create_EnumMoniker(REFCLSID class, IEnumMoniker **ppEnumMoniker)
{
EnumMonikerImpl * pEnumMoniker = CoTaskMemAlloc(sizeof(EnumMonikerImpl));
WCHAR buffer[78];
HRESULT hr;
if (!pEnumMoniker)
return E_OUTOFMEMORY;
pEnumMoniker->IEnumMoniker_iface.lpVtbl = &IEnumMoniker_Vtbl;
pEnumMoniker->ref = 1;
pEnumMoniker->sw_index = 0;
pEnumMoniker->cm_index = 0;
pEnumMoniker->class = *class;
lstrcpyW(buffer, clsidW);
lstrcatW(buffer, backslashW);
StringFromGUID2(class, buffer + lstrlenW(buffer), CHARS_IN_GUID);
lstrcatW(buffer, instanceW);
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, buffer, 0, KEY_ENUMERATE_SUB_KEYS, &pEnumMoniker->sw_key))
pEnumMoniker->sw_key = NULL;
lstrcpyW(buffer, wszActiveMovieKey);
StringFromGUID2(class, buffer + lstrlenW(buffer), CHARS_IN_GUID);
if (RegOpenKeyExW(HKEY_CURRENT_USER, buffer, 0, KEY_ENUMERATE_SUB_KEYS, &pEnumMoniker->cm_key))
pEnumMoniker->cm_key = NULL;
hr = DMOEnum(class, 0, 0, NULL, 0, NULL, &pEnumMoniker->dmo_enum);
if (FAILED(hr))
{
IEnumMoniker_Release(&pEnumMoniker->IEnumMoniker_iface);
return hr;
}
*ppEnumMoniker = &pEnumMoniker->IEnumMoniker_iface;
DEVENUM_LockModule();
return S_OK;
}
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