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reactos/dll/win32/shell32/shellmenu/CMergedFolder.cpp

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/*
* Shell Menu Site
*
* Copyright 2014 David Quintana
*
* 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 "shellmenu.h"
#include <atlwin.h>
#include <shlwapi_undoc.h>
#include "CMergedFolder.h"
WINE_DEFAULT_DEBUG_CHANNEL(CMergedFolder);
struct LocalPidlInfo
{
BOOL shared;
IShellFolder * parent;
LPITEMIDLIST pidl;
LPITEMIDLIST pidl2;
LPCWSTR parseName;
};
class CEnumMergedFolder :
public CComObjectRootEx<CComMultiThreadModelNoCS>,
public IEnumIDList
{
private:
CComPtr<IShellFolder> m_UserLocalFolder;
CComPtr<IShellFolder> m_AllUSersFolder;
HWND m_HwndOwner;
SHCONTF m_Flags;
HDSA m_hDsa;
UINT m_hDsaIndex;
UINT m_hDsaCount;
public:
CEnumMergedFolder();
virtual ~CEnumMergedFolder();
DECLARE_NOT_AGGREGATABLE(CEnumMergedFolder)
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CEnumMergedFolder)
COM_INTERFACE_ENTRY_IID(IID_IEnumIDList, IEnumIDList)
END_COM_MAP()
int DsaDeleteCallback(LocalPidlInfo * info);
static int CALLBACK s_DsaDeleteCallback(void *pItem, void *pData);
HRESULT SetSources(IShellFolder * userLocal, IShellFolder * allUSers);
HRESULT Begin(HWND hwndOwner, SHCONTF flags);
HRESULT FindPidlInList(HWND hwndOwner, LPCITEMIDLIST pcidl, LocalPidlInfo * pinfo);
HRESULT FindByName(HWND hwndOwner, LPCWSTR strParsingName, LocalPidlInfo * pinfo);
virtual HRESULT STDMETHODCALLTYPE Next(
ULONG celt,
LPITEMIDLIST *rgelt,
ULONG *pceltFetched);
virtual HRESULT STDMETHODCALLTYPE Skip(ULONG celt);
virtual HRESULT STDMETHODCALLTYPE Reset();
virtual HRESULT STDMETHODCALLTYPE Clone(IEnumIDList **ppenum);
};
CEnumMergedFolder::CEnumMergedFolder() :
m_UserLocalFolder(NULL),
m_AllUSersFolder(NULL),
m_HwndOwner(NULL),
m_Flags(0),
m_hDsa(NULL),
m_hDsaIndex(0),
m_hDsaCount(0)
{
}
CEnumMergedFolder::~CEnumMergedFolder()
{
DSA_DestroyCallback(m_hDsa, s_DsaDeleteCallback, this);
}
int CEnumMergedFolder::DsaDeleteCallback(LocalPidlInfo * info)
{
ILFree(info->pidl);
if (info->pidl2)
ILFree(info->pidl2);
CoTaskMemFree((LPVOID)info->parseName);
return 0;
}
int CALLBACK CEnumMergedFolder::s_DsaDeleteCallback(void *pItem, void *pData)
{
CEnumMergedFolder * mf = (CEnumMergedFolder*) pData;
LocalPidlInfo * item = (LocalPidlInfo*) pItem;
return mf->DsaDeleteCallback(item);
}
HRESULT CEnumMergedFolder::SetSources(IShellFolder * userLocal, IShellFolder * allUSers)
{
m_UserLocalFolder = userLocal;
m_AllUSersFolder = allUSers;
TRACE("SetSources %p %p\n", userLocal, allUSers);
return S_OK;
}
HRESULT CEnumMergedFolder::Begin(HWND hwndOwner, SHCONTF flags)
{
HRESULT hr;
LPITEMIDLIST pidl = NULL;
if (m_hDsa && m_HwndOwner == hwndOwner && m_Flags == flags)
{
return Reset();
}
TRACE("Search conditions changed, recreating list...\n");
CComPtr<IEnumIDList> userLocal;
CComPtr<IEnumIDList> allUsers;
hr = m_UserLocalFolder->EnumObjects(hwndOwner, flags, &userLocal);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = m_AllUSersFolder->EnumObjects(hwndOwner, flags, &allUsers);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
if (!m_hDsa)
{
m_hDsa = DSA_Create(sizeof(LocalPidlInfo), 10);
}
DSA_EnumCallback(m_hDsa, s_DsaDeleteCallback, this);
DSA_DeleteAllItems(m_hDsa);
m_hDsaCount = 0;
// The sources are not ordered so load all of the items for the user folder first
TRACE("Loading Local entries...\n");
for (;;)
{
hr = userLocal->Next(1, &pidl, NULL);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
if (hr == S_FALSE)
break;
LPWSTR name;
STRRET str = { STRRET_WSTR };
hr = m_UserLocalFolder->GetDisplayNameOf(pidl, SHGDN_FORPARSING | SHGDN_INFOLDER, &str);
if (FAILED(hr))
return hr;
StrRetToStrW(&str, pidl, &name);
LocalPidlInfo info = {
FALSE,
m_UserLocalFolder,
ILClone(pidl),
NULL,
name
};
ILFree(pidl);
TRACE("Inserting item %d with name %S\n", m_hDsaCount, name);
int idx = DSA_InsertItem(m_hDsa, DSA_APPEND, &info);
TRACE("New index: %d\n", idx);
m_hDsaCount++;
}
// Then load the items for the common folder
TRACE("Loading Common entries...\n");
for (;;)
{
hr = allUsers->Next(1, &pidl, NULL);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
if (hr == S_FALSE)
break;
LPWSTR name;
STRRET str = { STRRET_WSTR };
hr = m_AllUSersFolder->GetDisplayNameOf(pidl, SHGDN_FORPARSING | SHGDN_INFOLDER, &str);
if (FAILED(hr))
return hr;
StrRetToStrW(&str, pidl, &name);
LocalPidlInfo info = {
FALSE,
m_AllUSersFolder,
ILClone(pidl),
NULL,
name
};
ILFree(pidl);
// Try to find an existing entry with the same name, and makr it as shared.
// FIXME: This is sub-optimal, a hash table would be a lot more efficient.
BOOL bShared = FALSE;
for (int i = 0; i < (int)m_hDsaCount; i++)
{
LocalPidlInfo *pInfo = (LocalPidlInfo *) DSA_GetItemPtr(m_hDsa, i);
int order = CompareStringW(GetThreadLocale(), NORM_IGNORECASE,
pInfo->parseName, lstrlenW(pInfo->parseName),
info.parseName, lstrlenW(info.parseName));
if (order == CSTR_EQUAL)
{
TRACE("Item name already exists! Marking '%S' as shared ...\n", name);
bShared = TRUE;
pInfo->shared = TRUE;
pInfo->pidl2 = info.pidl;
CoTaskMemFree(name);
break;
}
}
// If an entry was not found, add a new one for this item
if (!bShared)
{
TRACE("Inserting item %d with name %S\n", m_hDsaCount, name);
int idx = DSA_InsertItem(m_hDsa, DSA_APPEND, &info);
TRACE("New index: %d\n", idx);
m_hDsaCount++;
}
}
m_HwndOwner = hwndOwner;
m_Flags = flags;
return Reset();
}
HRESULT CEnumMergedFolder::FindPidlInList(HWND hwndOwner, LPCITEMIDLIST pcidl, LocalPidlInfo * pinfo)
{
HRESULT hr;
if (!m_hDsa)
{
Begin(hwndOwner, SHCONTF_FOLDERS | SHCONTF_NONFOLDERS);
}
TRACE("Searching for pidl { cb=%d } in a list of %d items\n", pcidl->mkid.cb, m_hDsaCount);
for (int i = 0; i < (int)m_hDsaCount; i++)
{
LocalPidlInfo * pInfo = (LocalPidlInfo *) DSA_GetItemPtr(m_hDsa, i);
if (!pInfo)
return E_FAIL;
TRACE("Comparing with item at %d with parent %p and pidl { cb=%d }\n", i, pInfo->parent, pInfo->pidl->mkid.cb);
hr = pInfo->parent->CompareIDs(0, pInfo->pidl, pcidl);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
if (hr == S_OK)
{
*pinfo = *pInfo;
return S_OK;
}
else
{
TRACE("Comparison returned %d\n", (int) (short) (hr & 0xFFFF));
}
}
TRACE("Pidl not found\n");
return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
}
HRESULT CEnumMergedFolder::FindByName(HWND hwndOwner, LPCWSTR strParsingName, LocalPidlInfo * pinfo)
{
if (!m_hDsa)
{
Begin(hwndOwner, SHCONTF_FOLDERS | SHCONTF_NONFOLDERS);
}
TRACE("Searching for '%S' in a list of %d items\n", strParsingName, m_hDsaCount);
for (int i = 0; i < (int) m_hDsaCount; i++)
{
LocalPidlInfo * pInfo = (LocalPidlInfo *) DSA_GetItemPtr(m_hDsa, i);
if (!pInfo)
return E_FAIL;
int order = CompareStringW(GetThreadLocale(), NORM_IGNORECASE,
pInfo->parseName, lstrlenW(pInfo->parseName),
strParsingName, lstrlenW(strParsingName));
switch (order)
{
case CSTR_EQUAL:
*pinfo = *pInfo;
return S_OK;
default:
continue;
}
}
TRACE("Pidl not found\n");
return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
}
HRESULT STDMETHODCALLTYPE CEnumMergedFolder::Next(
ULONG celt,
LPITEMIDLIST *rgelt,
ULONG *pceltFetched)
{
if (pceltFetched)
*pceltFetched = 0;
if (m_hDsaIndex == m_hDsaCount)
return S_FALSE;
for (int i = 0; i < (int)celt;)
{
LocalPidlInfo * tinfo = (LocalPidlInfo *) DSA_GetItemPtr(m_hDsa, m_hDsaIndex);
if (!tinfo)
return E_FAIL;
LocalPidlInfo info = *tinfo;
TRACE("Returning next item at %d with parent %p and pidl { cb=%d }\n", m_hDsaIndex, info.parent, info.pidl->mkid.cb);
// FIXME: ILClone shouldn't be needed here! This should be causing leaks
if (rgelt) rgelt[i] = ILClone(info.pidl);
i++;
m_hDsaIndex++;
if (m_hDsaIndex == m_hDsaCount)
{
if (pceltFetched)
*pceltFetched = i;
return (i == (int)celt) ? S_OK : S_FALSE;
}
}
if (pceltFetched) *pceltFetched = celt;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CEnumMergedFolder::Skip(ULONG celt)
{
return Next(celt, NULL, NULL);
}
HRESULT STDMETHODCALLTYPE CEnumMergedFolder::Reset()
{
m_hDsaIndex = 0;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CEnumMergedFolder::Clone(
IEnumIDList **ppenum)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
//-----------------------------------------------------------------------------
// CMergedFolder
CMergedFolder::CMergedFolder() :
m_UserLocal(NULL),
m_AllUsers(NULL),
m_EnumSource(NULL),
m_UserLocalPidl(NULL),
m_AllUsersPidl(NULL),
m_shellPidl(NULL)
{
}
CMergedFolder::~CMergedFolder()
{
if (m_UserLocalPidl) ILFree(m_UserLocalPidl);
if (m_AllUsersPidl) ILFree(m_AllUsersPidl);
}
// IAugmentedShellFolder2
HRESULT STDMETHODCALLTYPE CMergedFolder::AddNameSpace(LPGUID lpGuid, IShellFolder * psf, LPCITEMIDLIST pcidl, ULONG dwUnknown)
{
if (lpGuid)
{
TRACE("FIXME: No idea how to handle the GUID\n");
return E_NOTIMPL;
}
TRACE("AddNameSpace %p %p\n", m_UserLocal.p, m_AllUsers.p);
// FIXME: Use a DSA to store the list of merged namespaces, together with their related info (psf, pidl, ...)
// For now, assume only 2 will ever be used, and ignore all the other data.
if (!m_UserLocal)
{
m_UserLocal = psf;
m_UserLocalPidl = ILClone(pcidl);
return S_OK;
}
if (m_AllUsers)
return E_FAIL;
m_AllUsers = psf;
m_AllUsersPidl = ILClone(pcidl);
m_EnumSource = new CComObject<CEnumMergedFolder>();
return m_EnumSource->SetSources(m_UserLocal, m_AllUsers);
}
HRESULT STDMETHODCALLTYPE CMergedFolder::GetNameSpaceID(LPCITEMIDLIST pcidl, LPGUID lpGuid)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::QueryNameSpace(ULONG dwUnknown, LPGUID lpGuid, IShellFolder ** ppsf)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::EnumNameSpace(ULONG dwUnknown, PULONG lpUnknown)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::UnWrapIDList(LPCITEMIDLIST pcidl, LONG lUnknown, IShellFolder ** ppsf, LPITEMIDLIST * ppidl1, LPITEMIDLIST *ppidl2, LONG * lpUnknown)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
// IShellFolder
HRESULT STDMETHODCALLTYPE CMergedFolder::ParseDisplayName(
HWND hwndOwner,
LPBC pbcReserved,
LPOLESTR lpszDisplayName,
ULONG *pchEaten,
LPITEMIDLIST *ppidl,
ULONG *pdwAttributes)
{
HRESULT hr;
LocalPidlInfo info;
if (!ppidl)
return E_FAIL;
if (pchEaten)
*pchEaten = 0;
if (pdwAttributes)
*pdwAttributes = 0;
TRACE("ParseDisplayName name=%S\n", lpszDisplayName);
hr = m_EnumSource->FindByName(hwndOwner, lpszDisplayName, &info);
if (FAILED(hr))
{
return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
}
*ppidl = ILClone(info.pidl);
if (pchEaten)
*pchEaten = lstrlenW(info.parseName);
if (pdwAttributes)
*pdwAttributes = info.parent->GetAttributesOf(1, (LPCITEMIDLIST*)ppidl, pdwAttributes);
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::EnumObjects(
HWND hwndOwner,
SHCONTF grfFlags,
IEnumIDList **ppenumIDList)
{
TRACE("EnumObjects\n");
HRESULT hr = m_EnumSource->QueryInterface(IID_PPV_ARG(IEnumIDList, ppenumIDList));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
return m_EnumSource->Begin(hwndOwner, grfFlags);
}
HRESULT STDMETHODCALLTYPE CMergedFolder::BindToObject(
LPCITEMIDLIST pidl,
LPBC pbcReserved,
REFIID riid,
void **ppvOut)
{
LocalPidlInfo info;
HRESULT hr;
hr = m_EnumSource->FindPidlInList(NULL, pidl, &info);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
TRACE("BindToObject shared = %d\n", info.shared);
if (!info.shared)
return info.parent->BindToObject(info.pidl, pbcReserved, riid, ppvOut);
if (riid != IID_IShellFolder)
return E_FAIL;
// Construct a child MergedFolder and return it
CComPtr<IShellFolder> fld1;
CComPtr<IShellFolder> fld2;
// In shared folders, the user one takes precedence over the common one, so it will always be on pidl1
hr = m_UserLocal->BindToObject(info.pidl, pbcReserved, IID_PPV_ARG(IShellFolder, &fld1));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = m_AllUsers->BindToObject(info.pidl2, pbcReserved, IID_PPV_ARG(IShellFolder, &fld2));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
CComPtr<IAugmentedShellFolder> pasf;
hr = CMergedFolder_CreateInstance(IID_PPV_ARG(IAugmentedShellFolder, &pasf));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = pasf->QueryInterface(riid, ppvOut);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = pasf->AddNameSpace(NULL, fld1, info.pidl, 0xFF00);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = pasf->AddNameSpace(NULL, fld2, info.pidl2, 0x0000);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
return hr;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::BindToStorage(
LPCITEMIDLIST pidl,
LPBC pbcReserved,
REFIID riid,
void **ppvObj)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::CompareIDs(
LPARAM lParam,
LPCITEMIDLIST pidl1,
LPCITEMIDLIST pidl2)
{
TRACE("CompareIDs\n");
return m_UserLocal->CompareIDs(lParam, pidl1, pidl2);
}
HRESULT STDMETHODCALLTYPE CMergedFolder::CreateViewObject(
HWND hwndOwner,
REFIID riid,
void **ppvOut)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::GetAttributesOf(
UINT cidl,
PCUITEMID_CHILD_ARRAY apidl,
SFGAOF *rgfInOut)
{
LocalPidlInfo info;
HRESULT hr;
TRACE("GetAttributesOf\n");
for (int i = 0; i < (int)cidl; i++)
{
LPCITEMIDLIST pidl = apidl[i];
hr = m_EnumSource->FindPidlInList(NULL, pidl, &info);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
pidl = info.pidl;
SFGAOF * pinOut1 = rgfInOut ? rgfInOut + i : NULL;
hr = info.parent->GetAttributesOf(1, &pidl, pinOut1);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
}
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::GetUIObjectOf(
HWND hwndOwner,
UINT cidl,
PCUITEMID_CHILD_ARRAY apidl,
REFIID riid,
UINT *prgfInOut,
void **ppvOut)
{
LocalPidlInfo info;
HRESULT hr;
TRACE("GetUIObjectOf\n");
for (int i = 0; i < (int)cidl; i++)
{
LPCITEMIDLIST pidl = apidl[i];
TRACE("Processing GetUIObjectOf item %d of %u...\n", i, cidl);
hr = m_EnumSource->FindPidlInList(hwndOwner, pidl, &info);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
pidl = info.pidl;
TRACE("FindPidlInList succeeded with parent %p and pidl { db=%d }\n", info.parent, info.pidl->mkid.cb);
UINT * pinOut1 = prgfInOut ? prgfInOut+i : NULL;
void** ppvOut1 = ppvOut ? ppvOut + i : NULL;
hr = info.parent->GetUIObjectOf(hwndOwner, 1, &pidl, riid, pinOut1, ppvOut1);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
}
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::GetDisplayNameOf(
LPCITEMIDLIST pidl,
SHGDNF uFlags,
STRRET *lpName)
{
LocalPidlInfo info;
HRESULT hr;
TRACE("GetDisplayNameOf\n");
hr = m_EnumSource->FindPidlInList(NULL, pidl, &info);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = info.parent->GetDisplayNameOf(info.pidl, uFlags, lpName);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::SetNameOf(
HWND hwnd,
LPCITEMIDLIST pidl,
LPCOLESTR lpszName,
SHGDNF uFlags,
LPITEMIDLIST *ppidlOut)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
// IPersist
HRESULT STDMETHODCALLTYPE CMergedFolder::GetClassID(CLSID *lpClassId)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
// IPersistFolder
HRESULT STDMETHODCALLTYPE CMergedFolder::Initialize(LPCITEMIDLIST pidl)
{
m_shellPidl = ILClone(pidl);
return S_OK;
}
// IPersistFolder2
HRESULT STDMETHODCALLTYPE CMergedFolder::GetCurFolder(LPITEMIDLIST * pidl)
{
if (pidl)
*pidl = m_shellPidl;
return S_OK;
}
// IShellFolder2
HRESULT STDMETHODCALLTYPE CMergedFolder::GetDefaultSearchGUID(
GUID *lpguid)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::EnumSearches(
IEnumExtraSearch **ppenum)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::GetDefaultColumn(
DWORD dwReserved,
ULONG *pSort,
ULONG *pDisplay)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::GetDefaultColumnState(
UINT iColumn,
SHCOLSTATEF *pcsFlags)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::GetDetailsEx(
LPCITEMIDLIST pidl,
const SHCOLUMNID *pscid,
VARIANT *pv)
{
LocalPidlInfo info;
HRESULT hr;
TRACE("GetDetailsEx\n");
hr = m_EnumSource->FindPidlInList(NULL, pidl, &info);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
CComPtr<IShellFolder2> parent2;
hr = info.parent->QueryInterface(IID_PPV_ARG(IShellFolder2, &parent2));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = parent2->GetDetailsEx(info.pidl, pscid, pv);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::GetDetailsOf(
LPCITEMIDLIST pidl,
UINT iColumn,
SHELLDETAILS *psd)
{
LocalPidlInfo info;
HRESULT hr;
TRACE("GetDetailsOf\n");
hr = m_EnumSource->FindPidlInList(NULL, pidl, &info);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
CComPtr<IShellFolder2> parent2;
hr = info.parent->QueryInterface(IID_PPV_ARG(IShellFolder2, &parent2));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = parent2->GetDetailsOf(info.pidl, iColumn, psd);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMergedFolder::MapColumnToSCID(
UINT iColumn,
SHCOLUMNID *pscid)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
// IAugmentedShellFolder3
HRESULT STDMETHODCALLTYPE CMergedFolder::QueryNameSpace2(ULONG, QUERYNAMESPACEINFO *)
{
UNIMPLEMENTED;
return E_NOTIMPL;
}
extern "C"
HRESULT WINAPI RSHELL_CMergedFolder_CreateInstance(REFIID riid, LPVOID *ppv)
{
return ShellObjectCreator<CMergedFolder>(riid, ppv);
}
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