Leaked source code of windows server 2003
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//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1999 - 1999
//
// File: multisel.cpp
//
//--------------------------------------------------------------------------
#include "stdafx.h"
#include "objfmts.h"
#include "multisel.h"
#include "nmutil.h"
#include "regutil.h"
#include "copypast.h"
#include "dbg.h"
#include "rsltitem.h"
DEBUG_DECLARE_INSTANCE_COUNTER(CSnapinSelData);
DEBUG_DECLARE_INSTANCE_COUNTER(CSnapinSelDataList);
UINT GetRelation(CMTNode* pMTNodeSrc, CMTNode* pMTNodeDest);
CLIPFORMAT GetMultiSelectSnapinsCF()
{
static CLIPFORMAT s_cf = 0;
if (s_cf == 0)
{
USES_CONVERSION;
s_cf = (CLIPFORMAT) RegisterClipboardFormat(W2T(CCF_MULTI_SELECT_SNAPINS));
}
return s_cf;
}
CLIPFORMAT GetMultiSelectStaticDataCF()
{
static CLIPFORMAT s_cf = 0;
if (s_cf == 0)
{
USES_CONVERSION;
s_cf = (CLIPFORMAT) RegisterClipboardFormat(W2T(CCF_MULTI_SELECT_STATIC_DATA));
}
return s_cf;
}
CLIPFORMAT GetMultiSelObjectTypesCF()
{
static CLIPFORMAT s_cf = 0;
if (s_cf == 0)
{
USES_CONVERSION;
s_cf = (CLIPFORMAT) RegisterClipboardFormat(W2T(CCF_OBJECT_TYPES_IN_MULTI_SELECT));
}
return s_cf;
}
CLIPFORMAT GetMMCMultiSelDataObjectCF()
{
static CLIPFORMAT s_cf = 0;
if (s_cf == 0)
{
USES_CONVERSION;
s_cf = (CLIPFORMAT) RegisterClipboardFormat(W2T(CCF_MMC_MULTISELECT_DATAOBJECT));
}
return s_cf;
}
CLIPFORMAT GetMMCDynExtensionsCF()
{
static CLIPFORMAT s_cf = 0;
if (s_cf == 0)
{
USES_CONVERSION;
s_cf = (CLIPFORMAT) RegisterClipboardFormat(W2T(CCF_MMC_DYNAMIC_EXTENSIONS));
}
return s_cf;
}
HRESULT
DataObject_GetHGLOBALData(
IDataObject* piDataObject,
CLIPFORMAT cfClipFormat,
HGLOBAL* phGlobal)
{
ASSERT(piDataObject != NULL);
ASSERT(phGlobal != NULL);
if (piDataObject == NULL || phGlobal == NULL)
return E_INVALIDARG;
FORMATETC fmt = {cfClipFormat, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
STGMEDIUM stgm = {TYMED_HGLOBAL, NULL, NULL};
HRESULT hr = piDataObject->GetData(&fmt, &stgm);
if (SUCCEEDED(hr) && (stgm.tymed == TYMED_HGLOBAL) && (stgm.hGlobal != NULL))
{
*phGlobal = stgm.hGlobal;
}
else
{
ReleaseStgMedium(&stgm);
if (SUCCEEDED(hr))
hr = (stgm.tymed != TYMED_HGLOBAL) ? DV_E_TYMED : E_UNEXPECTED;
}
return hr;
}
DEBUG_DECLARE_INSTANCE_COUNTER(CMultiSelectDataObject);
CMultiSelectDataObject::~CMultiSelectDataObject()
{
if (m_pMS)
m_pMS->Release();
if (m_ppDataObjects != NULL)
{
delete [] m_ppDataObjects;
}
DEBUG_DECREMENT_INSTANCE_COUNTER(CMultiSelectDataObject);
}
STDMETHODIMP
CMultiSelectDataObject::GetData(
FORMATETC* pfmt,
STGMEDIUM* pmedium)
{
if (m_ppDataObjects == NULL && m_ppMTNodes == NULL)
return HRESULT_FROM_WIN32(ERROR_TIMEOUT);
pmedium->hGlobal = NULL; // init
if (pfmt->tymed & TYMED_HGLOBAL)
{
if (pfmt->cfFormat == GetMultiSelectSnapinsCF())
{
// UINT size = sizeof(DWORD) + m_count * sizeof(LPDATAOBJECT);
// Windows bug 662181: On IA64 there are 4 bytes of padding after the DWORD.
// Changed to the platform-independent expression below.
UINT size = sizeof(SMMCDataObjects) + m_count * sizeof(LPDATAOBJECT) - sizeof(LPDATAOBJECT);
pmedium->hGlobal = ::GlobalAlloc(GPTR, size);
SMMCDataObjects* pData =
reinterpret_cast<SMMCDataObjects*>(pmedium->hGlobal);
if (pData == NULL)
return E_OUTOFMEMORY;
pData->count = m_count;
for (UINT i=0; i<m_count; ++i)
{
pData->lpDataObject[i] = m_ppDataObjects[i];
}
}
else if (pfmt->cfFormat == GetMultiSelectStaticDataCF())
{
ASSERT(m_nSize >= 0);
typedef CMTNode* _PMTNODE;
// m_ppDataObjects m_count
UINT cb = sizeof(DWORD) + sizeof(_PMTNODE) * m_nSize;
pmedium->hGlobal = ::GlobalAlloc(GPTR, cb);
BYTE* pb = reinterpret_cast<BYTE*>(pmedium->hGlobal);
if (pb == NULL)
return E_OUTOFMEMORY;
*((DWORD*)pb) = m_nSize;
if (m_nSize > 0)
{
pb += sizeof(DWORD);
_PMTNODE* ppMTNodes = (_PMTNODE*)pb;
CopyMemory(ppMTNodes, m_ppMTNodes, m_nSize * sizeof(_PMTNODE));
}
}
else if (pfmt->cfFormat == GetMMCMultiSelDataObjectCF())
{
pmedium->hGlobal = ::GlobalAlloc(GPTR, sizeof(DWORD));
if (pmedium->hGlobal == NULL)
return E_OUTOFMEMORY;
*((DWORD*)pmedium->hGlobal) = 1;
}
else
{
pmedium->tymed = TYMED_NULL;
pmedium->hGlobal = NULL;
pmedium->pUnkForRelease = NULL;
return DATA_E_FORMATETC;
}
if (pmedium->hGlobal != NULL)
{
pmedium->tymed = TYMED_HGLOBAL;
pmedium->pUnkForRelease = NULL;
return S_OK;
}
else
{
return E_OUTOFMEMORY;
}
}
return DV_E_TYMED;
}
STDMETHODIMP
CMultiSelectDataObject::GetDataHere(
FORMATETC* pfmt,
STGMEDIUM* pmedium)
{
return E_NOTIMPL;
}
STDMETHODIMP
CMultiSelectDataObject::EnumFormatEtc(
DWORD dwDirection,
IEnumFORMATETC **ppenumFormatEtc)
{
if (m_ppDataObjects == NULL && m_ppMTNodes == NULL)
return HRESULT_FROM_WIN32(ERROR_TIMEOUT);
if (dwDirection == DATADIR_SET)
return E_FAIL;
FORMATETC fmte[] = {
{GetMultiSelectSnapinsCF(), NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL},
{GetMMCMultiSelDataObjectCF(), NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL},
};
HRESULT hr = ::GetObjFormats(countof(fmte), fmte, (void**)ppenumFormatEtc);
return hr;
}
STDMETHODIMP CMultiSelectDataObject::QueryGetData(LPFORMATETC pfmt)
{
if (m_ppDataObjects == NULL && m_ppMTNodes == NULL)
return HRESULT_FROM_WIN32(ERROR_TIMEOUT);
//
// Check the aspects we support.
//
if (!(DVASPECT_CONTENT & pfmt->dwAspect))
return DATA_E_FORMATETC;
ASSERT(GetMultiSelectSnapinsCF() != 0);
if (pfmt->cfFormat == GetMMCMultiSelDataObjectCF() ||
pfmt->cfFormat == GetMultiSelectSnapinsCF())
return S_OK;
return S_FALSE;
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
void CSnapinSelDataList::Add(CSnapinSelData& snapinSelData, BOOL bStaticNode)
{
BOOL bCreateNew = TRUE;
if (bStaticNode == FALSE &&
snapinSelData.GetID() != TVOWNED_MAGICWORD)
{
POSITION pos = GetHeadPosition();
while (pos)
{
CSnapinSelData* pSnapinSelData = GetNext(pos);
if (pSnapinSelData->GetID() == snapinSelData.GetID())
{
pSnapinSelData->IncrementNumOfItems();
pSnapinSelData->AddScopeNodes( snapinSelData.GetScopeNodes() );
bCreateNew = FALSE;
break;
}
}
}
if (bCreateNew == TRUE)
{
CSnapinSelData* pSnapinSelData = new CSnapinSelData;
pSnapinSelData->SetNumOfItems(snapinSelData.GetNumOfItems());
pSnapinSelData->AddScopeNodes(snapinSelData.GetScopeNodes());
pSnapinSelData->SetIsScopeItem(snapinSelData.IsScopeItem());
pSnapinSelData->SetCookie(snapinSelData.GetCookie());
pSnapinSelData->SetID(snapinSelData.GetID());
pSnapinSelData->SetSnapIn(snapinSelData.GetSnapIn());
AddHead(pSnapinSelData);
}
}
DEBUG_DECLARE_INSTANCE_COUNTER(CMultiSelection);
CMultiSelection::CMultiSelection(CNode* pNode)
: m_pNode(pNode), m_pMTSINode(NULL), m_bHasNodes(FALSE),
m_pSINode(dynamic_cast<CSnapInNode*>(pNode)),
m_bInUse(FALSE), m_cRef(1)
{
ASSERT(pNode != NULL);
#ifdef DBG
m_bInit = FALSE;
#endif
DEBUG_INCREMENT_INSTANCE_COUNTER(CMultiSelection);
}
CMultiSelection::~CMultiSelection()
{
ASSERT(m_bInUse == FALSE);
if (m_spDataObjectMultiSel != NULL)
{
CMultiSelectDataObject* pObj =
dynamic_cast<CMultiSelectDataObject*>(
static_cast<IDataObject*>(m_spDataObjectMultiSel));
ASSERT(pObj != NULL);
if (pObj)
pObj->SetDataObjects(NULL, 0);
}
DEBUG_DECREMENT_INSTANCE_COUNTER(CMultiSelection);
}
HRESULT CMultiSelection::Init()
{
#ifdef DBG
m_bInit = TRUE;
#endif
// compute m_pSINode, m_pMTSINode, m_pszExtensionTypeKey
if (m_pNode != NULL)
{
if (m_pSINode == NULL)
m_pSINode = m_pNode->GetStaticParent();
ASSERT(m_pMTSINode == NULL);
ASSERT(m_pNode->GetMTNode() != NULL);
if (m_pNode->GetMTNode() == NULL)
return E_UNEXPECTED;
m_pMTSINode = m_pNode->GetMTNode()->GetStaticParent();
ASSERT(m_pMTSINode != NULL);
if (m_pMTSINode == NULL)
return E_UNEXPECTED;
}
return S_OK;
}
bool CMultiSelection::RemoveStaticNode(CMTNode* pMTNode)
{
int iMax = m_rgStaticNodes.size()-1;
if (iMax < 0)
return false;
if (::GetRelation(pMTNode, m_rgStaticNodes[0]) == 2)
{
m_rgStaticNodes.clear();
return m_snapinSelDataList.IsEmpty();
}
for (int i=iMax; i >= 0; --i)
{
if (m_rgStaticNodes[i] == pMTNode)
{
CMTNodePtrArray::iterator iter = m_rgStaticNodes.begin();
std::advance(iter, iMax);
m_rgStaticNodes[i] = m_rgStaticNodes[iMax];
m_rgStaticNodes.erase(iter);
break;
}
}
return m_rgStaticNodes.size();
}
CComponent* CMultiSelection::_GetComponent(CSnapinSelData* pSnapinSelData)
{
CComponent* pCC = NULL;
if ((pSnapinSelData->GetNumOfItems() > 1) ||
(pSnapinSelData->GetID() > 0) ||
(pSnapinSelData->IsScopeItem() == FALSE))
{
CSnapInNode* pSINode = _GetStaticNode();
if (pSINode == NULL)
return NULL;
pCC = pSINode->GetComponent(pSnapinSelData->GetID());
ASSERT(pCC != NULL);
}
else
{
ASSERT(pSnapinSelData->IsScopeItem() == TRUE);
CNode* pNode = CNode::FromHandle ((HNODE) pSnapinSelData->GetCookie());
ASSERT(pNode != NULL);
if (pNode != NULL)
pCC = pNode->GetPrimaryComponent();
}
return pCC;
}
HRESULT CMultiSelection::_ComputeSelectionDataList()
{
#ifdef DBG
ASSERT(m_bInit == TRUE);
#endif
ASSERT(m_pNode != NULL);
ASSERT(m_pNode->GetViewData() != NULL);
HWND hwnd = m_pNode->GetViewData() ?
m_pNode->GetViewData()->GetListCtrl() : NULL;
ASSERT(hwnd != NULL);
if (hwnd == NULL)
return E_UNEXPECTED;
ASSERT(::IsWindow(hwnd));
if (!(::IsWindow(hwnd)))
return E_UNEXPECTED;
if (m_pNode->GetViewData()->IsVirtualList() == TRUE)
{
CSnapinSelData snapinSelData;
snapinSelData.SetID(m_pNode->GetPrimaryComponent()->GetComponentID());
snapinSelData.SetNumOfItems(ListView_GetSelectedCount(hwnd));
if (snapinSelData.GetNumOfItems() == 1)
snapinSelData.SetCookie(ListView_GetNextItem(hwnd, -1, LVIS_SELECTED));
m_snapinSelDataList.Add(snapinSelData, FALSE);
}
else
{
int iSel = ListView_GetNextItem(hwnd, -1, LVIS_SELECTED);
if (iSel < 0)
return S_FALSE;
for (; iSel >= 0; iSel = ListView_GetNextItem(hwnd, iSel, LVIS_SELECTED))
{
LPARAM lParam = ListView_GetItemData(hwnd, iSel);
CResultItem* pri = CResultItem::FromHandle(lParam);
ASSERT(pri != NULL);
if (pri == NULL)
return E_FAIL;
CSnapinSelData snapinSelData;
snapinSelData.SetID(pri->GetOwnerID());
snapinSelData.IncrementNumOfItems();
snapinSelData.SetCookie(pri->GetSnapinData());
BOOL bStaticNode = FALSE;
if (pri->IsScopeItem())
{
CNode* pNodeContext = CNode::FromResultItem (pri);
ASSERT(pNodeContext != NULL);
if (pNodeContext->IsInitialized() == FALSE)
{
HRESULT hr = pNodeContext->InitComponents();
ASSERT(SUCCEEDED(hr));
if (FAILED(hr))
{
m_rgStaticNodes.clear();
m_snapinSelDataList.RemoveAll();
return hr;
}
}
// its a scope node - store to scope node array for this data object
snapinSelData.AddScopeNodes(CSnapinSelData::CNodePtrArray(1, pNodeContext));
m_bHasNodes = TRUE;
snapinSelData.SetID(::GetComponentID(NULL, pri));
snapinSelData.SetIsScopeItem(TRUE);
if (snapinSelData.GetID() == TVOWNED_MAGICWORD)
{
ASSERT(pNodeContext->GetMTNode() != NULL);
m_rgStaticNodes.push_back(pNodeContext->GetMTNode());
continue;
}
if (snapinSelData.GetID() == 0)
{
ASSERT(pri->IsScopeItem());
bStaticNode = pNodeContext->IsStaticNode();
if (bStaticNode)
{
ASSERT(pNodeContext->GetMTNode() != NULL);
m_rgStaticNodes.push_back(pNodeContext->GetMTNode());
}
}
}
// Add to the list
m_snapinSelDataList.Add(snapinSelData, bStaticNode);
}
}
POSITION pos = m_snapinSelDataList.GetHeadPosition();
HRESULT hr = S_OK;
while (pos)
{
CSnapinSelData* pSnapinSelData = m_snapinSelDataList.GetNext(pos);
if (pSnapinSelData->GetNumOfItems() == 1)
{
// Get object type for single snapin item sel
hr = _GetObjectTypeForSingleSel(pSnapinSelData);
if (FAILED(hr))
return hr;
}
else if (pSnapinSelData->GetNumOfItems() > 1)
{
// Get object type(s) for multiple snapin items sel
hr = _GetObjectTypesForMultipleSel(pSnapinSelData);
if (FAILED(hr))
return hr;
}
}
return hr;
}
HRESULT
CMultiSelection::_GetObjectTypeForSingleSel(
CSnapinSelData* pSnapinSelData)
{
ASSERT(pSnapinSelData->GetNumOfItems() == 1);
if (m_pNode->GetViewData()->IsVirtualList() == FALSE)
{
ASSERT(pSnapinSelData->GetCookie() != 0);
if (pSnapinSelData->GetNumOfItems() != 1 ||
pSnapinSelData->GetCookie() == 0)
return E_INVALIDARG;
}
HRESULT hr = S_OK;
IDataObjectPtr spDO;
CComponent* pCC = _GetComponent(pSnapinSelData);
if (pCC == NULL)
return E_UNEXPECTED;
if (pSnapinSelData->GetID() == TVOWNED_MAGICWORD)
{
ASSERT(pSnapinSelData->IsScopeItem() == TRUE);
}
else if (pSnapinSelData->IsScopeItem() == TRUE)
{
CNode* pNode = CNode::FromHandle ((HNODE) pSnapinSelData->GetCookie());
ASSERT(pNode != NULL);
if (pNode == NULL)
return E_FAIL;
CComponentData* pCCD = NULL;
if (pNode->IsStaticNode())
{
CMTNode* pMTNode = pNode->GetMTNode();
ASSERT(pMTNode != NULL);
if (pMTNode == NULL)
return E_FAIL;
pCCD = pMTNode->GetPrimaryComponentData();
}
else
{
CMTSnapInNode* pMTSINode = _GetStaticMasterNode();
ASSERT(pMTSINode != NULL);
if (pMTSINode == NULL)
return E_UNEXPECTED;
pCCD = pMTSINode->GetComponentData(pSnapinSelData->GetID());
}
ASSERT(pCCD != NULL);
if (pCCD == NULL)
return E_UNEXPECTED;
hr = pCCD->QueryDataObject(pNode->GetUserParam(), CCT_SCOPE, &spDO);
ASSERT(SUCCEEDED(hr));
if (FAILED(hr))
return hr;
pSnapinSelData->SetSnapIn(pCCD->GetSnapIn());
}
else
{
hr = pCC->QueryDataObject(pSnapinSelData->GetCookie(), CCT_RESULT, &spDO);
ASSERT(SUCCEEDED(hr));
if (FAILED(hr))
return hr;
pSnapinSelData->SetSnapIn(pCC->GetSnapIn());
}
do // not a loop
{
if (pCC == NULL)
break;
pSnapinSelData->SetComponent(pCC);
IFramePrivate* pIFP = pCC->GetIFramePrivate();
ASSERT(pIFP != NULL);
if (pIFP == NULL)
break;
IConsoleVerbPtr spConsoleVerb;
hr = pIFP->QueryConsoleVerb(&spConsoleVerb);
if (SUCCEEDED(hr))
{
ASSERT(spConsoleVerb != NULL);
pSnapinSelData->SetConsoleVerb(spConsoleVerb);
CConsoleVerbImpl* pCVI = dynamic_cast<CConsoleVerbImpl*>(
static_cast<IConsoleVerb*>(spConsoleVerb));
ASSERT(pCVI != NULL);
if (pCVI)
pCVI->SetDisabledAll();
}
Dbg(DEB_USER1, _T("MMCN_SELECT> MS-1 \n"));
pCC->Notify(spDO, MMCN_SELECT, MAKELONG((WORD)FALSE, (WORD)TRUE), 0);
} while (0);
GUID guid;
hr = ExtractObjectTypeGUID(spDO, &guid);
ASSERT(SUCCEEDED(hr));
if (SUCCEEDED(hr))
{
pSnapinSelData->SetDataObject(spDO);
pSnapinSelData->AddObjectType(guid);
}
return hr;
}
HRESULT
CMultiSelection::_GetObjectTypesForMultipleSel(
CSnapinSelData* pSnapinSelData)
{
ASSERT(m_pSINode != NULL);
ASSERT(m_pMTSINode != NULL);
ASSERT(pSnapinSelData != NULL);
if (pSnapinSelData == NULL)
return E_POINTER;
CComponent* pCC = _GetComponent(pSnapinSelData);
if (pCC == NULL)
return E_UNEXPECTED;
pSnapinSelData->SetSnapIn(pCC->GetSnapIn());
IDataObjectPtr spDO;
HRESULT hr = pCC->QueryDataObject(MMC_MULTI_SELECT_COOKIE,
CCT_UNINITIALIZED, &spDO);
ASSERT(SUCCEEDED(hr));
if (FAILED(hr))
return hr;
do // not a loop
{
if (pCC == NULL)
break;
pSnapinSelData->SetComponent(pCC);
IFramePrivate* pIFP = pCC->GetIFramePrivate();
ASSERT(pIFP != NULL);
if (pIFP == NULL)
break;
IConsoleVerbPtr spConsoleVerb;
hr = pIFP->QueryConsoleVerb(&spConsoleVerb);
if (SUCCEEDED(hr))
{
ASSERT(spConsoleVerb != NULL);
pSnapinSelData->SetConsoleVerb(spConsoleVerb);
CConsoleVerbImpl* pCVI = dynamic_cast<CConsoleVerbImpl*>(
static_cast<IConsoleVerb*>(spConsoleVerb));
ASSERT(pCVI != NULL);
if (pCVI)
pCVI->SetDisabledAll();
}
Dbg(DEB_USER1, _T("MMCN_SELECT> MS-2 \n"));
pCC->Notify(spDO, MMCN_SELECT, MAKELONG((WORD)FALSE, (WORD)TRUE), 0);
} while (0);
if (spDO == NULL)
return E_UNEXPECTED;
// Get the data
HGLOBAL hGlobal = NULL;
hr = DataObject_GetHGLOBALData(spDO, GetMultiSelObjectTypesCF(),
&hGlobal);
if (FAILED(hr))
return hr;
BYTE* pb = reinterpret_cast<BYTE*>(::GlobalLock(hGlobal));
DWORD count = *((DWORD*)pb);
pb += sizeof(DWORD);
GUID* pGuid = reinterpret_cast<GUID*>(pb);
for (DWORD index=0; index < count; ++index)
{
pSnapinSelData->AddObjectType(pGuid[index]);
}
::GlobalUnlock(hGlobal);
::GlobalFree(hGlobal);
pSnapinSelData->SetDataObject(spDO);
return S_OK;
}
HRESULT
CMultiSelection::GetMultiSelDataObject(
IDataObject** ppDataObject)
{
if (m_spDataObjectMultiSel == NULL)
{
HRESULT hr = S_OK;
if (HasData() == FALSE)
{
hr = _ComputeSelectionDataList();
if (FAILED(hr))
return hr;
ASSERT(HasData() == TRUE);
if (HasData() == FALSE)
return E_FAIL;
}
// CreateDataObjectForMultiSelection
CComObject<CMultiSelectDataObject>* pMSDObject;
hr = CComObject<CMultiSelectDataObject>::CreateInstance(&pMSDObject);
ASSERT(SUCCEEDED(hr));
if (FAILED(hr))
return hr;
ASSERT(pMSDObject != NULL);
if (pMSDObject == NULL)
return E_FAIL;
pMSDObject->SetMultiSelection(this);
UINT count = m_snapinSelDataList.GetCount();
if (count > 0)
{
LPDATAOBJECT* ppDOs = new LPDATAOBJECT[count];
POSITION pos = m_snapinSelDataList.GetHeadPosition();
for (int i=0; pos; ++i)
{
CSnapinSelData* pSnapinSelData = m_snapinSelDataList.GetNext(pos);
ASSERT(pSnapinSelData != NULL);
ASSERT(i < count);
ppDOs[i] = pSnapinSelData->GetDataObject();
ASSERT(ppDOs[i] != NULL);
}
pMSDObject->SetDataObjects(ppDOs, count);
}
int nSize = m_rgStaticNodes.size();
if (nSize > 0)
{
pMSDObject->SetStaticNodes(m_rgStaticNodes, nSize);
}
m_spDataObjectMultiSel = pMSDObject;
}
*ppDataObject = m_spDataObjectMultiSel;
m_spDataObjectMultiSel.AddRef();
return S_OK;
}
HRESULT
CMultiSelection::GetExtensionSnapins(
LPCTSTR pszExtensionTypeKey,
CList<GUID, GUID&>& extnClsidList)
{
DECLARE_SC(sc, TEXT("CMultiSelection::GetExtensionSnapins"));
ASSERT(&extnClsidList != NULL);
extnClsidList.RemoveAll(); //init
HRESULT hr = S_OK;
if (HasData() == FALSE)
{
hr = _ComputeSelectionDataList();
if (FAILED(hr))
return hr;
if (hr == S_FALSE)
return hr;
ASSERT(HasData() == TRUE);
if (HasData() == FALSE)
return E_FAIL;
}
if (HasSnapinData() == FALSE)
return S_FALSE;
//
// Add the extension snapin clsids for the first object type
// to extnClsidList.
//
{
CSnapinSelData* pSnapinSelData = m_snapinSelDataList.GetHead();
CList<GUID, GUID&>& objTypeGuidsList = pSnapinSelData->GetObjectTypeGuidList();
ASSERT(objTypeGuidsList.IsEmpty() == FALSE);
if (objTypeGuidsList.IsEmpty() == TRUE)
return E_FAIL;
// Get dynamic extensions requested by the snap-in
CArray<GUID, GUID&> DynExtens;
ExtractDynExtensions(pSnapinSelData->GetDataObject(), DynExtens);
POSITION pos = objTypeGuidsList.GetHeadPosition();
BOOL bFirstTime = TRUE;
while (pos)
{
GUID& objectTypeGuid = objTypeGuidsList.GetNext(pos);
CExtensionsIterator it;
sc = it.ScInitialize(pSnapinSelData->GetSnapIn(), objectTypeGuid, pszExtensionTypeKey, DynExtens.GetData(), DynExtens.GetSize());
if (sc)
return hr;
if (bFirstTime == TRUE)
{
bFirstTime = FALSE;
for (; it.IsEnd() == FALSE; it.Advance())
{
extnClsidList.AddHead(const_cast<GUID&>(it.GetCLSID()));
}
}
else
{
CArray<CLSID, CLSID&> rgClsid;
for (; it.IsEnd() == FALSE; it.Advance())
{
rgClsid.Add(const_cast<CLSID&>(it.GetCLSID()));
}
POSITION pos = extnClsidList.GetHeadPosition();
POSITION posCurr = 0;
while (pos)
{
posCurr = pos;
CLSID& clsid = extnClsidList.GetNext(pos);
BOOL bPresent = FALSE;
for (int k=0; k <= rgClsid.GetUpperBound(); ++k)
{
if (::IsEqualCLSID(rgClsid[k], clsid) == TRUE)
{
bPresent = TRUE;
break;
}
}
if (bPresent == FALSE)
{
// Remove from list
ASSERT(posCurr != 0);
extnClsidList.RemoveAt(posCurr);
}
} // end while
} // end else
// No point continuing if the extension clsid list is empty.
if (extnClsidList.IsEmpty() == TRUE)
break;
}
}
if (extnClsidList.IsEmpty() == TRUE)
return S_FALSE;
// If only items from one snapin were selected return.
if (m_snapinSelDataList.GetCount() == 1)
return S_OK;
// loop through the extension clsids
POSITION pos = extnClsidList.GetHeadPosition();
while (pos)
{
// Get the first extension clsid
POSITION posCurr = pos;
CLSID& clsidSnapin = extnClsidList.GetNext(pos);
// See if this clsid extends selected items put up by other snapins.
BOOL bExtends = FALSE;
POSITION posSDL = m_snapinSelDataList.GetHeadPosition();
m_snapinSelDataList.GetNext(posSDL); // skip the first one.
while (posSDL)
{
CSnapinSelData* pSnapinSelData = m_snapinSelDataList.GetNext(posSDL);
CList<GUID, GUID&>& objTypeGuidsList = pSnapinSelData->GetObjectTypeGuidList();
// Get dynamic extensions requested by the snap-in
CArray<GUID, GUID&> DynExtens;
ExtractDynExtensions(pSnapinSelData->GetDataObject(), DynExtens);
POSITION pos2 = objTypeGuidsList.GetHeadPosition();
while (pos2)
{
bExtends = FALSE; // re-init
GUID& guidObjectType = objTypeGuidsList.GetNext(pos2);
CExtensionsIterator it;
sc = it.ScInitialize(pSnapinSelData->GetSnapIn(), guidObjectType, pszExtensionTypeKey, DynExtens.GetData(), DynExtens.GetSize());
if (sc)
break;
for (; it.IsEnd() == FALSE; it.Advance())
{
if (::IsEqualCLSID(clsidSnapin, it.GetCLSID()) == TRUE)
{
bExtends = TRUE;
break;
}
}
if (bExtends == FALSE)
break;
}
if (bExtends == FALSE)
break;
}
ASSERT(posCurr != 0);
if (bExtends == FALSE)
extnClsidList.RemoveAt(posCurr);
}
return S_OK;
}
BOOL CMultiSelection::IsAnExtensionSnapIn(const CLSID& rclsid)
{
POSITION pos = m_snapinSelDataList.GetHeadPosition();
while (pos)
{
CSnapinSelData* pSSD = m_snapinSelDataList.GetNext(pos);
ASSERT(pSSD != NULL);
if (pSSD->GetSnapIn() != NULL &&
::IsEqualCLSID(rclsid, pSSD->GetSnapIn()->GetSnapInCLSID()))
{
return TRUE;
}
}
return FALSE;
}
//+-------------------------------------------------------------------
//
// Member: CMultiSelection::ScVerbInvoked
//
// Synopsis: A verb was invoked, inform the snapin about invocation.
//
// Arguments: [verb] - that is invoked.
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CMultiSelection::ScVerbInvoked (MMC_CONSOLE_VERB verb)
{
DECLARE_SC(sc, _T("CMultiSelection::ScVerbInvoked"));
/*
* If you make any modifications do not forget to Release
* the ref as shown below.
*/
AddRef();
sc = _ScVerbInvoked(verb);
Release();
if (sc)
return sc;
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CMultiSelection::_ScVerbInvoked
//
// Synopsis: A verb was invoked, inform the snapin about invocation.
//
// Arguments: [verb] - that is invoked.
//
// Returns: SC
//
// Note: We handle only Delete & Print. If you want to handle
// any other notifications, make sure the IComponent::Notify
// gets right arg & param values (they are unused for Delete & Print).
//
//--------------------------------------------------------------------
SC CMultiSelection::_ScVerbInvoked (MMC_CONSOLE_VERB verb)
{
DECLARE_SC(sc, _T("CMultiSelection::_ScVerbInvoked"));
if (! HasSnapinData())
return (sc = E_UNEXPECTED);
MMC_NOTIFY_TYPE eNotifyCode;
switch(verb)
{
case MMC_VERB_DELETE:
eNotifyCode = MMCN_DELETE;
break;
case MMC_VERB_PRINT:
eNotifyCode = MMCN_PRINT;
break;
default:
/*
* We handle only Delete & Print. If you want to handle
* any other notifications, make sure the IComponent::Notify
* gets right arg & param values (they are unused for Delete & Print).
*/
sc = E_INVALIDARG;
return sc;
}
POSITION pos = m_snapinSelDataList.GetHeadPosition();
while (pos)
{
BOOL bFlag = FALSE;
CSnapinSelData* pSSD = m_snapinSelDataList.GetNext(pos);
sc = ScCheckPointers(pSSD, E_UNEXPECTED);
if (sc)
return sc;
IConsoleVerb *pConsoleVerb = pSSD->GetConsoleVerb();
sc = ScCheckPointers(pConsoleVerb, E_UNEXPECTED);
if (sc)
return sc;
pConsoleVerb->GetVerbState(verb, ENABLED, &bFlag);
// If snapin did not enable verb for this item then skip it.
if (!bFlag)
continue;
CComponent *pComponent = pSSD->GetComponent();
sc = ScCheckPointers(pComponent, E_UNEXPECTED);
if (sc)
return sc;
sc = pComponent->Notify( pSSD->GetDataObject(),
eNotifyCode, 0, 0);
// Trace & Ignore snapin returned errors.
if (sc)
sc.TraceAndClear();
}
return (sc);
}
bool IsMultiSelectDataObject(IDataObject* pdtobjCBSelData)
{
if (!pdtobjCBSelData)
return FALSE;
FORMATETC fmt;
ZeroMemory(&fmt, sizeof(fmt));
fmt.dwAspect = DVASPECT_CONTENT;
fmt.cfFormat = GetMMCMultiSelDataObjectCF();
return (pdtobjCBSelData->QueryGetData(&fmt) == S_OK);
}
HRESULT ExtractDynExtensions(IDataObject* pdataObj, CGuidArray& arGuid)
{
ASSERT(pdataObj != NULL);
static CLIPFORMAT cfDynExtensions = 0;
if (cfDynExtensions == 0)
{
USES_CONVERSION;
cfDynExtensions = (CLIPFORMAT) RegisterClipboardFormat(W2T(CCF_MMC_DYNAMIC_EXTENSIONS));
ASSERT(cfDynExtensions != 0);
}
// Get the data
HGLOBAL hGlobal = NULL;
HRESULT hr = DataObject_GetHGLOBALData(pdataObj, cfDynExtensions, &hGlobal);
if (FAILED(hr))
return hr;
SMMCDynamicExtensions* pExtenData = reinterpret_cast<SMMCDynamicExtensions*>(::GlobalLock(hGlobal));
ASSERT(pExtenData != NULL);
for (DWORD index=0; index < pExtenData->count; ++index)
{
arGuid.Add(pExtenData->guid[index]);
}
::GlobalUnlock(hGlobal);
::GlobalFree(hGlobal);
return S_OK;
}
//+-------------------------------------------------------------------
//
// Member: CMultiSelection::ScIsVerbEnabledInclusively
//
// Synopsis: Is the given verb enabled under current multi-selection.
// Should be used only if items from more than one snapin
// is selected.
// Inclusive means, bEnable will be true if any one snapin
// enables given verb.
//
//
// Arguments: [mmcVerb] - The verb to check.
// [bEnable] - Enabled or not, Return value.
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CMultiSelection::ScIsVerbEnabledInclusively(MMC_CONSOLE_VERB mmcVerb, BOOL& bEnable)
{
DECLARE_SC(sc, _T("CMultiSelection::ScIsVerbEnabledInclusively"));
bEnable = false;
if (IsSingleSnapinSelection())
return (sc = E_UNEXPECTED);
POSITION pos = m_snapinSelDataList.GetHeadPosition();
while (pos)
{
CSnapinSelData* pSSD = m_snapinSelDataList.GetNext(pos);
sc = ScCheckPointers(pSSD, E_UNEXPECTED);
if (sc)
return sc;
IConsoleVerb *pConsoleVerb = pSSD->GetConsoleVerb();
sc = ScCheckPointers(pConsoleVerb, E_UNEXPECTED);
if (sc)
return sc;
sc = pConsoleVerb->GetVerbState(mmcVerb, ENABLED, &bEnable);
if (sc)
return sc;
if (bEnable)
return sc;
}
return (sc);
}
/***************************************************************************\
*
* METHOD: CMultiSelection::ScGetSnapinDataObjects
*
* PURPOSE: Adds all contained data objects to CMMCClipBoardDataObject
*
* PARAMETERS:
* CMMCClipBoardDataObject *pResultObject [in] - container to add data objects
*
* RETURNS:
* SC - result code
*
\***************************************************************************/
SC CMultiSelection::ScGetSnapinDataObjects(CMMCClipBoardDataObject *pResultObject)
{
DECLARE_SC(sc, TEXT("CMultiSelection::ScGetSnapinDataObjects"));
// for each snapin...
POSITION pos = m_snapinSelDataList.GetHeadPosition();
while (pos)
{
CSnapinSelData* pSSD = m_snapinSelDataList.GetNext(pos);
sc = ScCheckPointers(pSSD, E_UNEXPECTED);
if (sc)
return sc;
// get snapin data
CComponent *pComponent = pSSD->GetComponent();
IConsoleVerb *pConsoleVerb = pSSD->GetConsoleVerb();
sc = ScCheckPointers(pComponent, pConsoleVerb, E_UNEXPECTED);
if (sc)
return sc;
// get verbs
bool bCopyEnabled = false;
bool bCutEnabled = false;
BOOL bEnable = FALSE;
sc = pConsoleVerb->GetVerbState(MMC_VERB_COPY, ENABLED, &bEnable);
bCopyEnabled = bEnable;
if (sc)
return sc;
sc = pConsoleVerb->GetVerbState(MMC_VERB_CUT, ENABLED, &bEnable);
bCutEnabled = bEnable;
if (sc)
return sc;
// construct the array of scope nodes in this data object
CSnapinSelData::CNodePtrArray nodes;
// if regular result items exist - add active scope node
if ( pSSD->GetNumOfItems() != pSSD->GetScopeNodes().size() )
nodes.push_back(m_pNode);
// add scope items from result pane
nodes.insert( nodes.end(), pSSD->GetScopeNodes().begin(), pSSD->GetScopeNodes().end() );
// add to the MMC DO
sc = pResultObject->ScAddSnapinDataObject( nodes,
pComponent->GetIComponent(),
pSSD->GetDataObject(),
bCopyEnabled, bCutEnabled );
if (sc)
return sc;
}
return sc;
}