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windows-server-2003/admin/activec/nodemgr/verbs.cpp

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//____________________________________________________________________________
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1997 - 1999
//
// File: verbs.cpp
//
// Contents:
//
// Classes:
//
// Functions:
//
// History: 4/9/1997 RaviR Created
//____________________________________________________________________________
//
#include "stdafx.h"
#include "multisel.h"
#include "tasks.h"
#include "scopndcb.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#ifdef DBG
CTraceTag tagVerbs(TEXT("Verbs"), TEXT("Verbs"));
#endif
//############################################################################
//############################################################################
//
// Implementation of class CConsoleVerbImpl
//
//############################################################################
//############################################################################
BYTE GetTBSTATE(MMC_BUTTON_STATE mmcState)
{
switch (mmcState)
{
case ENABLED: return TBSTATE_ENABLED;
case CHECKED: return TBSTATE_CHECKED;
case HIDDEN: return TBSTATE_HIDDEN;
case INDETERMINATE: return TBSTATE_INDETERMINATE;
case BUTTONPRESSED: return TBSTATE_PRESSED;
default:
ASSERT(0);
return TBSTATE_ENABLED;
}
}
EVerb GetEVerb(MMC_CONSOLE_VERB cVerb)
{
switch (cVerb)
{
case MMC_VERB_OPEN: return evOpen;
case MMC_VERB_CUT: return evCut;
case MMC_VERB_COPY: return evCopy;
case MMC_VERB_PASTE: return evPaste;
case MMC_VERB_DELETE: return evDelete;
case MMC_VERB_PROPERTIES: return evProperties;
case MMC_VERB_RENAME: return evRename;
case MMC_VERB_REFRESH: return evRefresh;
case MMC_VERB_PRINT: return evPrint;
default:
ASSERT(0 && "UNexpected");
return evOpen;
}
}
MMC_CONSOLE_VERB GetConsoleVerb(EVerb eVerb)
{
switch (eVerb)
{
case evOpen: return MMC_VERB_OPEN;
case evCopy: return MMC_VERB_COPY;
case evCut: return MMC_VERB_CUT;
case evPaste: return MMC_VERB_PASTE;
case evDelete: return MMC_VERB_DELETE;
case evProperties: return MMC_VERB_PROPERTIES;
case evRename: return MMC_VERB_RENAME;
case evRefresh: return MMC_VERB_REFRESH;
case evPrint: return MMC_VERB_PRINT;
default:
ASSERT(0 && "UNexpected");
return MMC_VERB_OPEN;
}
}
DEBUG_DECLARE_INSTANCE_COUNTER(CConsoleVerbImpl);
CConsoleVerbImpl::CConsoleVerbImpl()
: m_DefaultVerb(MMC_VERB_OPEN), m_pVerbSet(NULL), m_bCutVerbDisabledBySnapin(false)
{
#ifdef DBG
DEBUG_INCREMENT_INSTANCE_COUNTER(CConsoleVerbImpl);
dbg_cRef_CConsoleVerbImpl = 0;
#endif
}
#ifdef DBG
ULONG CConsoleVerbImpl::InternalAddRef()
{
++dbg_cRef_CConsoleVerbImpl;
return CComObjectRoot::InternalAddRef();
}
ULONG CConsoleVerbImpl::InternalRelease()
{
--dbg_cRef_CConsoleVerbImpl;
return CComObjectRoot::InternalRelease();
}
#endif // DBG
CConsoleVerbImpl::~CConsoleVerbImpl()
{
DEBUG_DECREMENT_INSTANCE_COUNTER(CConsoleVerbImpl);
}
STDMETHODIMP
CConsoleVerbImpl::GetVerbState(
MMC_CONSOLE_VERB eCmdID,
MMC_BUTTON_STATE nState,
BOOL* pbState)
{
DECLARE_SC(sc, TEXT("CConsoleVerbImpl::GetVerbState"));
sc = ScCheckPointers(pbState);
if (sc)
return sc.ToHr();
LPCONSOLE_VERB_STATE pCS = GetConsoleVerbState(eCmdID);
sc = ScCheckPointers(pCS, E_UNEXPECTED);
if (sc)
return sc.ToHr();
/*
* Special case for cut verb:
*
* Pre MMC2.0 : Snapin never called IConsoleVerb::SetVerbState with cut verb
* except with (cut, disable) state, to enable cut the Snapin has to enable
* copy & delete verbs.
*
* MMC2.0 : snapin can enable/disable cut verb just like any other verb.
* Then if hidden hide it.
*
* If snapin has enabled or disabled the cut verb then below BLOCK1 is
* irrelevant, the BLOCK2 will override the value.
* If snapin did not enable the cut verb but enabled copy & delete then
* the block BLOCK2. set the cut verb appropriately.
*/
// BLOCK1. Special case for MMC1.2 cut verb.
if ( (eCmdID == MMC_VERB_CUT) && (!m_bCutVerbDisabledBySnapin) )
{
// Pre MMC2.0
LPCONSOLE_VERB_STATE pCSDelete = GetConsoleVerbState(MMC_VERB_DELETE);
LPCONSOLE_VERB_STATE pCSCopy = GetConsoleVerbState(MMC_VERB_COPY);
sc = ScCheckPointers(pCSDelete, pCSCopy, E_UNEXPECTED);
if (sc)
return sc.ToHr();
if (TBSTATE_ENABLED & pCSCopy->GetState() & pCSDelete->GetState())
{
// Set Cut verb to be not hidden & enabled.
pCS->SetState(pCS->GetState() & ~GetTBSTATE(HIDDEN));
pCS->SetState(pCS->GetState() | GetTBSTATE(ENABLED));
}
}
// BLOCK2. Get the given verbs state.
*pbState = (pCS->GetState() & GetTBSTATE(nState)) ? TRUE : FALSE;
return sc.ToHr();
}
STDMETHODIMP
CConsoleVerbImpl::SetVerbState(
MMC_CONSOLE_VERB eCmdID,
MMC_BUTTON_STATE nState,
BOOL bState)
{
LPCONSOLE_VERB_STATE pCS = GetConsoleVerbState(eCmdID);
ASSERT(pCS != NULL);
if (pCS == NULL)
return E_FAIL;
// If snapin has enabled/disabled cut verb note it.
// Used by CConsoleVerbImpl::GetVerbState.
if ( (MMC_VERB_CUT == eCmdID) && (nState & ENABLED) )
m_bCutVerbDisabledBySnapin = (bState == FALSE);
if (bState)
pCS->SetState(pCS->GetState() | GetTBSTATE(nState));
else
pCS->SetState(pCS->GetState() & ~GetTBSTATE(nState));
if (nState == HIDDEN && bState == TRUE)
{
pCS->SetHiddenBySnapin(true);
}
/*
* If we're enabling, make sure the verb is not hidden.
* We do this for compatibility. For v1.0, the default state
* for a verb was disabled and visible when it actually should
* have been disabled and hidden. Therefore, v1.0 snap-ins could
* have written
*
* pConsoleVerb->SetVerbState (verb, ENABLED, TRUE);
*
* and had an enabled, visible verb. Now that we've fixed the
* default state (bug 150874), we need to make sure v1.0 snap-ins
* that wrote code like the above will still work as they used to.
*/
if ((nState == ENABLED) && (bState == TRUE) && (!pCS->IsHiddenBySnapin()))
pCS->SetState(pCS->GetState() & ~GetTBSTATE(HIDDEN));
ASSERT(GetVerbSet() != NULL);
if (GetVerbSet() != NULL)
GetVerbSet()->Notify(this, eCmdID);
return S_OK;
}
HRESULT CConsoleVerbImpl::SetDisabledAll(void)
{
for(int i=0; i< evMax; i++)
m_rgConsoleVerbStates[i].Disable();
m_bCutVerbDisabledBySnapin = false;
return S_OK;
}
STDMETHODIMP CConsoleVerbImpl::SetDefaultVerb(MMC_CONSOLE_VERB eCmdID)
{
m_DefaultVerb = eCmdID;
return S_OK;
}
LPCONSOLE_VERB_STATE CConsoleVerbImpl::GetConsoleVerbState(MMC_CONSOLE_VERB eCmdID)
{
if( (eCmdID < MMC_VERB_FIRST) || (eCmdID > MMC_VERB_LAST) )
return NULL;
else
return &m_rgConsoleVerbStates[eCmdID- MMC_VERB_FIRST];
}
//############################################################################
//############################################################################
//
// Implementation of class CVerbSet
//
//############################################################################
//############################################################################
DEBUG_DECLARE_INSTANCE_COUNTER(CVerbSet);
/*+-------------------------------------------------------------------------*
*
* _QueryConsoleVerb
*
* PURPOSE:
*
* PARAMETERS:
* CNode* pNode :
* LPCONSOLEVERB* ppConsoleVerb :
*
* RETURNS:
* HRESULT
*
*+-------------------------------------------------------------------------*/
HRESULT _QueryConsoleVerb(CNode* pNode, LPCONSOLEVERB* ppConsoleVerb)
{
DECLARE_SC(sc, TEXT("::_QueryConsoleVerb"));
sc = ScCheckPointers(pNode, ppConsoleVerb);
if (sc)
return sc.ToHr();
*ppConsoleVerb = NULL;
CComponent *pComponent = pNode->GetPrimaryComponent();
sc = ScCheckPointers(pComponent, E_UNEXPECTED);
if (sc)
return sc.ToHr();
IFramePrivate *pFrame = pComponent->GetIFramePrivate();
sc = ScCheckPointers(pFrame, E_UNEXPECTED);
if (sc)
return sc.ToHr();
sc = pFrame->QueryConsoleVerb(ppConsoleVerb);
if (sc)
return sc.ToHr();
return sc.ToHr();
}
/*+-------------------------------------------------------------------------*
*
* CVerbSetBase::_GetVerbState
*
* PURPOSE: Return the state of given verb. The state is in current
* IConsoleVerb ptr. Translate the states from this object
* into the SVerbState array.
*
* PARAMETERS:
* EVerb ev :
*
* RETURNS:
* BYTE
*
*+-------------------------------------------------------------------------*/
BYTE CVerbSetBase::_GetVerbState(EVerb ev)
{
if (m_rbVerbState[ev].bAskSnapin != 1)
return m_rbVerbState[ev].nState;
if (m_spConsoleVerbCurr == NULL)
return 0;
m_rbVerbState[ev].nState = 0; // reset
MMC_CONSOLE_VERB verb = ::GetConsoleVerb(ev);
BOOL bReturn = FALSE;
m_spConsoleVerbCurr->GetVerbState(verb, ENABLED, &bReturn);
if (bReturn == TRUE)
m_rbVerbState[ev].nState |= TBSTATE_ENABLED;
m_spConsoleVerbCurr->GetVerbState(verb, HIDDEN, &bReturn);
if (bReturn == TRUE)
m_rbVerbState[ev].nState |= TBSTATE_HIDDEN;
m_rbVerbState[ev].bAskSnapin = 2;
return m_rbVerbState[ev].nState;
}
/*+-------------------------------------------------------------------------*
*
* CVerbSetBase::ScComputeVerbStates
*
* PURPOSE: With given context like scope or result, if result is it background
* or ocx or web or multiselection compute the verbstates.
*
* Eventhough snapin can set any verb for its items certain verbs are
* not valid in some circumstances. This method takes care of that.
*
* RETURNS:
* SC
*
*+-------------------------------------------------------------------------*/
SC CVerbSetBase::ScComputeVerbStates()
{
DECLARE_SC(sc, TEXT("CVerbSetBase::ScComputeVerbStates"));
// reset
m_spConsoleVerbCurr = NULL;
for (int i=0; i<evMax; ++i)
{
m_rbVerbState[i].nState = TBSTATE_HIDDEN;
m_rbVerbState[i].bAskSnapin = 0;
}
// If the verb context data is invalid, we have already hidden the
// verbs above so just return .
if (! m_bVerbContextDataValid)
return sc;
sc = ScCheckPointers(m_pNode, E_UNEXPECTED);
if (sc)
return sc;
BOOL bScopeItemSelected;
CNode *pSelectedNode = NULL;
MMC_COOKIE cookie = -1;
sc = CNodeCallback::ScExtractLVData(m_pNode, m_bScopePaneSelected, m_lResultCookie,
&pSelectedNode, bScopeItemSelected, cookie);
if (sc)
return sc.ToHr();
sc = ScCheckPointers(pSelectedNode, E_UNEXPECTED);
if (sc)
return sc;
// Handle background separately (not same as scope item selected
// which is the default handling of background).
if (m_lResultCookie == LVDATA_BACKGROUND)
{
// ask snapin for PASTE, PROPERTIES & REFRESH.
sc = _QueryConsoleVerb(pSelectedNode, &m_spConsoleVerbCurr);
if (sc)
return sc;
_AskSnapin(evPaste);
_AskSnapin(evProperties);
_AskSnapin(evRefresh);
_AskSnapin(evPrint);
return sc;
}
else if (bScopeItemSelected)
{
if (pSelectedNode->IsStaticNode())
{
if (pSelectedNode->IsConsoleRoot())
{
// CONSOLE ROOT is selected
_EnableVerb(evRename);
_HideVerb(evOpen);
_HideVerb(evCut);
_HideVerb(evCopy);
_HideVerb(evDelete);
_HideVerb(evRefresh);
_HideVerb(evPaste);
_HideVerb(evPrint);
return sc;
}
else
{
_EnableVerb(evOpen);
// Ask the snapin if paste should be
// enabled for its root node.
_AskSnapin(evPaste);
_HideVerb(evCut);
_HideVerb(evCopy);
_HideVerb(evDelete);
}
// Static-Snapin node
// Ask snapin for RENAME, REFRESH & PROPERTIES
sc = _QueryConsoleVerb(pSelectedNode, &m_spConsoleVerbCurr);
if (sc)
return sc;
_AskSnapin(evOpen);
_AskSnapin(evRefresh);
_AskSnapin(evRename);
_AskSnapin(evPrint);
_AskSnapin(evProperties);
}
else
{
// ask snapin for all the verbs.
sc = _QueryConsoleVerb(pSelectedNode, &m_spConsoleVerbCurr);
if (sc)
return sc;
_AskSnapin(evOpen);
_AskSnapin(evCut);
_AskSnapin(evCopy);
_AskSnapin(evPaste);
_AskSnapin(evDelete);
_AskSnapin(evRename);
_AskSnapin(evRefresh);
_AskSnapin(evPrint);
_AskSnapin(evProperties);
}
}
else if (m_lResultCookie == LVDATA_MULTISELECT)
{
ASSERT(!bScopeItemSelected);
if (! m_pMultiSelection)
{
CViewData *pViewData = pSelectedNode->GetViewData();
sc = ScCheckPointers(pViewData, E_UNEXPECTED);
if (sc)
return sc;
m_pMultiSelection = pViewData->GetMultiSelection();
sc = ScCheckPointers(m_pMultiSelection, E_UNEXPECTED);
if (sc)
return sc;
}
// if selectedf items are from the primary snapin ask the snapin for all the verbs.
// Does all the selected items belong to the primary snapin?
if (m_pMultiSelection->IsSingleSnapinSelection())
{
// If so ask the snapin for properties
sc = _QueryConsoleVerb(pSelectedNode, &m_spConsoleVerbCurr);
if (sc)
return sc;
_AskSnapin(evCut);
_AskSnapin(evCopy);
_AskSnapin(evDelete);
_AskSnapin(evProperties);
_AskSnapin(evPrint);
}
else
{
// Multiple snapin items are selected. Even if one item
// supports cut/copy/delete then enable the verb.
BOOL bEnable = false;
sc = m_pMultiSelection->ScIsVerbEnabledInclusively(MMC_VERB_CUT, bEnable);
if (sc)
return sc;
_EnableVerb(evCut, bEnable);
bEnable = false;
sc = m_pMultiSelection->ScIsVerbEnabledInclusively(MMC_VERB_COPY, bEnable);
if (sc)
return sc;
_EnableVerb(evCopy, bEnable);
bEnable = false;
sc = m_pMultiSelection->ScIsVerbEnabledInclusively(MMC_VERB_DELETE, bEnable);
if (sc)
return sc;
_EnableVerb(evDelete, bEnable);
}
} else if ( (m_lResultCookie == LVDATA_CUSTOMOCX) ||
(m_lResultCookie == LVDATA_CUSTOMWEB) )
{
// ask snapin for all the verbs.
sc = _QueryConsoleVerb(pSelectedNode, &m_spConsoleVerbCurr);
if (sc)
return sc;
_AskSnapin(evOpen);
_AskSnapin(evCut);
_AskSnapin(evCopy);
_AskSnapin(evPaste);
_AskSnapin(evDelete);
_AskSnapin(evRename);
_AskSnapin(evRefresh);
_AskSnapin(evPrint);
_AskSnapin(evProperties);
return sc;
}
else
{
// ask snapin for all the verbs.
sc = _QueryConsoleVerb(pSelectedNode, &m_spConsoleVerbCurr);
if (sc)
return sc;
_AskSnapin(evOpen);
_AskSnapin(evCut);
_AskSnapin(evCopy);
_AskSnapin(evPaste);
_AskSnapin(evDelete);
_AskSnapin(evRename);
_AskSnapin(evRefresh);
_AskSnapin(evPrint);
_AskSnapin(evProperties);
}
return sc;
}
/*+-------------------------------------------------------------------------*
*
* CVerbSetBase::GetVerbState
*
* PURPOSE:
*
* PARAMETERS:
* MMC_CONSOLE_VERB cVerb :
* MMC_BUTTON_STATE nState :
* BOOL* pbState :
*
* RETURNS:
* STDMETHODIMP
*
*+-------------------------------------------------------------------------*/
STDMETHODIMP
CVerbSetBase::GetVerbState(
MMC_CONSOLE_VERB cVerb,
MMC_BUTTON_STATE nState,
BOOL* pbState)
{
*pbState = (_GetVerbState(GetEVerb(cVerb)) & GetTBSTATE(nState)) ? TRUE : FALSE;
return S_OK;
}
STDMETHODIMP
CVerbSetBase::GetDefaultVerb(
MMC_CONSOLE_VERB* peCmdID)
{
DECLARE_SC(sc, TEXT("CVerbSetBase::GetDefaultVerb"));
sc = ScCheckPointers(peCmdID);
if (sc)
return sc.ToHr();
*peCmdID = MMC_VERB_NONE;
if ( (m_bVerbContextDataValid) && (m_lResultCookie == LVDATA_MULTISELECT) )
return sc.ToHr();
if (m_spConsoleVerbCurr == NULL) // Not an error, default verb is requested when the verbset is reset.
return sc.ToHr();
sc = m_spConsoleVerbCurr->GetDefaultVerb(peCmdID);
if (sc)
return sc.ToHr();
return sc.ToHr();
}
/*+-------------------------------------------------------------------------*
*
* CVerbSet::Notify
*
* PURPOSE: Update the verb state changes to standard toolbar.
*
* PARAMETERS:
* IConsoleVerb* pCVIn :
* MMC_CONSOLE_VERB cVerb :
*
* RETURNS:
* void
*
*+-------------------------------------------------------------------------*/
void
CVerbSet::Notify(
IConsoleVerb* pCVIn,
MMC_CONSOLE_VERB cVerb)
{
/*
* MMC creates temporary verb to findout verb state for another node or item
* and mmc also needs verb states for determining drop targets which are not
* currently selected node. In these cases toolbar should not be changed.
*/
if (!IsChangesToStdbarEnabled() || m_spConsoleVerbCurr != pCVIn)
return;
EVerb ev = GetEVerb(cVerb);
if (m_rbVerbState[ev].bAskSnapin != 0)
{
m_rbVerbState[ev].bAskSnapin = 1;
CNode *pNode = m_pNode;
ASSERT(pNode != NULL);
if (NULL == pNode)
return;
CViewData* pViewData = pNode->GetViewData();
ASSERT(NULL != pViewData);
if (NULL == pViewData)
return;
pViewData->ScUpdateStdbarVerb(cVerb);
}
}
//+-------------------------------------------------------------------
//
// Member: CVerbSet::ScInitialize
//
// Synopsis: Given the selection context initialize the verbs by
// sending MMCN_SELECT or MMCN_DESELECALL to snapin's
// IComponent::Notify and computing the verbs.
//
// Arguments: [pNode] - [in] that owns view.
// [bScope] - [in] Scope or result item.
// [bSelect] - [in] Select or Deselect.
// [bLVBackgroundSelected] - [in]
// [lResultCookie] - [in] If resultpane item then
// this is LVDATA of the item.
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CVerbSet::ScInitialize (CNode *pNode, bool bScopePaneSelected,
bool bSelect, bool bLVBackgroundSelected,
LPARAM lResultCookie)
{
DECLARE_SC(sc, _T("CVerbSet::ScInitialize"));
sc = ScCheckPointers(pNode);
if (sc)
return sc;
if (lResultCookie == LVDATA_MULTISELECT)
return (sc = E_INVALIDARG);
if (bLVBackgroundSelected)
{
ASSERT(lResultCookie == LVDATA_BACKGROUND);
bScopePaneSelected = true;
}
/*
* 1. Store the selection context information in the verb-set for resending
* MMCN_SELECT after temporary selection notifications.
*/
CViewData *pViewData = pNode->GetViewData();
sc = ScCheckPointers(pViewData, E_UNEXPECTED);
if (sc)
return sc;
CComponent *pCC = NULL;
// sanity check - if it is a result item then we need to have the valid cookie.
// but for virtual list - cookie is just an index - it is always valid.
// see bug #143401 why IsVirtual is needed
if ( (! bScopePaneSelected) && (!pViewData->IsVirtualList()) &&(lResultCookie == 0))
return (sc = E_INVALIDARG);
/*
* Need to send MMCN_SELECT or MMCN_DESELECTALL notification. Calculate
* this notification now.
*/
BOOL bListPadItem = pViewData->HasListPad() && !IS_SPECIAL_LVDATA(lResultCookie);
MMC_NOTIFY_TYPE eNotify = MMCN_SELECT;
// On deselect of a virtual listview item, the underlying list-view sends deselect
// with cookie of -1. So we send MMCN_DESELECT_ALL with NULL dataobject as the
// index of de-selected item is not known.
if (bSelect == FALSE && lResultCookie == -1 && pViewData->IsVirtualList() == TRUE )
{
eNotify = MMCN_DESELECT_ALL;
pCC = pNode->GetPrimaryComponent();
sc = ScCheckPointers(pCC, E_UNEXPECTED);
if (sc)
return sc;
}
else if (pViewData->HasOCX() || (pViewData->HasWebBrowser() && !bListPadItem) )
{
// Select/Deselect Web or OCX. (except if item is in MMC List control)
eNotify = bSelect ? MMCN_SELECT : MMCN_DESELECT_ALL;
pCC = pNode->GetPrimaryComponent();
sc = ScCheckPointers(pCC, E_UNEXPECTED);
if (sc)
return sc;
}
bool bScopeItem = bScopePaneSelected;
IDataObjectPtr spDataObject = NULL;
LPDATAOBJECT lpDataObject = NULL;
// 2. Get the dataobject & CComponent for given context.
// only if event is MMCN_SELECT.
if (eNotify != MMCN_DESELECT_ALL)
{
sc = pNode->ScGetDataObject(bScopePaneSelected, lResultCookie, bScopeItem, &lpDataObject, &pCC);
if (sc)
{
// cannot leave invalid data, cause (especially in deselect case) no cleanup will happen
// and that will lead to AV on the next right-click
// see windows bug #489996 (11/09/01)
Reset();
return sc;
}
sc = ScCheckPointers(lpDataObject, pCC, E_UNEXPECTED);
if (sc)
{
Reset();
return sc;
}
if (! IS_SPECIAL_DATAOBJECT(lpDataObject) )
spDataObject.Attach(lpDataObject, false/*fAddRef*/);
}
// Before sending select reset the console verb states.
sc = pCC->ScResetConsoleVerbStates();
if (sc)
return sc;
#ifdef DBG
Trace(tagVerbs, _T("Sent (MMCN_SELECT %s %s) for permanent verb to snapin with node name %s\n"),
bScopeItem ? _T("Scope") : _T("Result"),
bSelect ? _T("Select") : _T("De-select"),
pNode->GetDisplayName().data());
#endif
SC scNoTrace = pCC->Notify(lpDataObject, eNotify, MAKELONG((WORD)bScopeItem, (WORD)bSelect), 0);
if (scNoTrace)
{
TraceSnapinError(TEXT("Snapin has returned error from IComponent::Notify with MMCN_SELECT event"), scNoTrace);
}
Reset();
m_bScopePaneSelected = bScopePaneSelected;
m_bVerbContextDataValid = bSelect;
m_lResultCookie = lResultCookie;
m_pNode = pNode;
sc = ScComputeVerbStates();
if (sc)
return sc;
// If the item is deselected then the cached context information should be nuked.
if (! bSelect)
Reset();
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CVerbSetBase::ScInitializeForMultiSelection
//
// Synopsis: Initialize the verbset object for multiselection. Unlike
// single selection in which above CVerbSet::ScInitialize is
// used, in case of multiselect, the CMultiSelection object
// knows what is selected in resultpane. It then gets dataobjects
// for those selections from snapins and sends MMCN_SELECT to those
// snapins to set verbs.
//
// Arguments: [pNode] - [in] owner of resultpane.
// [bSelect] - [in] select or deselect.
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CVerbSetBase::ScInitializeForMultiSelection (CNode *pNode, bool bSelect)
{
DECLARE_SC(sc, _T("CVerbSetBase::ScInitializeForMultiSelection"));
sc = ScCheckPointers(pNode);
if (sc)
return sc;
/*
* Store the selection context information in the verb-set for resending
* MMCN_SELECT after temporary selection notifications.
*/
Reset();
m_bScopePaneSelected = false;
m_bVerbContextDataValid = bSelect;
m_lResultCookie = LVDATA_MULTISELECT;
m_pNode = pNode;
return (sc);
}
/*+-------------------------------------------------------------------------*
* class CDisableStandardToolbarChanges
*
*
* PURPOSE: A class that disables changes to standard toolbar due to
* temp-verb MMCN_SELECTs and enables when destructed (goes out of scope).
*
*+-------------------------------------------------------------------------*/
class CDisableStandardToolbarChanges
{
public:
CDisableStandardToolbarChanges(CVerbSet* pVerbSet) : m_pVerbSet(pVerbSet)
{
ASSERT(pVerbSet != NULL);
if (pVerbSet)
pVerbSet->DisableChangesToStdbar();
}
~CDisableStandardToolbarChanges()
{
ASSERT(m_pVerbSet != NULL);
if (m_pVerbSet)
m_pVerbSet->EnableChangesToStdbar();
}
private:
CVerbSet *m_pVerbSet;
};
//+-------------------------------------------------------------------
//
// Member: CTemporaryVerbSet::ScInitialize
//
// Synopsis: Initialize the temp verb set,
//
// Since we are sending MMCN_SELECT notifications to the snapin
// to calculate temp verbs,
//
// 1. first send de-select to the item for which we sent
// (MMCN_SELECT, true) last time.
// (If last one is (MMCN_SELECT,false) then skip this and 4th step)
//
// 2. Send (MMCN_SELECT, true) for temp verb calculation.
// 3. Send (MMCN_SELECT, false) for temp verb calculation.
//
// 4. Now send (MMCN_SELECT, true) to select original item (in step 1).
//
// So we need to compute the dataobject for temp-selected item (from
// given parameters) and for originally selected item (ask the viewdata).
//
// Arguments: [pNode] - [in] bScope = true, the node that will be temp selected else
// the node that owns the result pane item that is temp selected.
// [lResultCookie] - [in] If result-item, the LPARAM (can be scope item in result pane).
// [bScopePaneSel] - [in]
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CTemporaryVerbSet::ScInitialize (CNode *pNode, LPARAM lResultCookie, bool bScopePaneSel)
{
DECLARE_SC(sc, _T("CTemporaryVerbSet::ScInitialize"));
sc = ScCheckPointers(pNode);
if (sc)
return sc;
bool bScopeItem;
LPDATAOBJECT pDataObject = NULL;
sc = pNode->ScGetDataObject(bScopePaneSel, lResultCookie, bScopeItem, &pDataObject);
if (sc)
return sc;
sc = ScCheckPointers(pDataObject, E_UNEXPECTED);
if (sc)
return sc;
// take ownership & release it on time!!!
IDataObjectPtr spDataObject( IS_SPECIAL_DATAOBJECT(pDataObject) ? NULL : pDataObject, false/*fAddRef*/);
sc = ScInitialize(pDataObject, pNode, bScopePaneSel, lResultCookie);
if (sc)
return sc;
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CTemporaryVerbSet::ScInitializePermanentVerbSet
//
// Synopsis: Send de-select or select notification to snapin for
// the permanent verb-set object.
//
// Arguments: [pNode] - [in] owner of the result pane.
// [bSelect] - [in] true - send select notification to snapin
// informing it to initialize the verbs
//
// false - send de-select notification to snapin
// informing it to uninitialize the verbs.
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CTemporaryVerbSet::ScInitializePermanentVerbSet (CNode *pNode, bool bSelect)
{
DECLARE_SC(sc, _T("CTemporaryVerbSet::ScInitializePermanentVerbSet"));
sc = ScCheckPointers(pNode);
if (sc)
return sc;
CViewData *pViewData = pNode->GetViewData();
sc = ScCheckPointers(pViewData, E_UNEXPECTED);
if (sc)
return sc;
// 1. SEND (de)selection to permananet verb set.
IDataObject* pOriginalSelDataObject = NULL;
CComponent *pCCOriginalSel = NULL;
bool bOriginalScopeSel;
bool bOriginallySelected;
LPCTSTR lpszNodeName = NULL;
bool bMultiSelection = false;
SC scNoTrace = pViewData->ScIsVerbSetContextForMultiSelect(bMultiSelection);
if (scNoTrace)
return scNoTrace;
/*
* See if verb context is for multiselection.
* If multiselection we do not send any de-select to be compatible
* with MMC1.2, just return.
*/
if (bMultiSelection)
return sc;
scNoTrace = pViewData->ScGetVerbSetData(&pOriginalSelDataObject, &pCCOriginalSel,
bOriginalScopeSel, bOriginallySelected
#ifdef DBG
, &lpszNodeName
#endif
);
if (scNoTrace)
return sc;
// Before sending select reset the console verb states.
sc = pCCOriginalSel->ScResetConsoleVerbStates();
if (sc)
return sc;
// take ownership & release it on time!!!
IDataObjectPtr spDataObject( IS_SPECIAL_DATAOBJECT(pOriginalSelDataObject) ? NULL : pOriginalSelDataObject, false/*fAddRef*/);
// If we sent MMCN_SELECT, true then send de-select else nothing.
if ( (pOriginalSelDataObject != NULL) && (pCCOriginalSel != NULL) && (bOriginallySelected) )
{
#ifdef DBG
Trace(tagVerbs, _T("Sent (MMCN_SELECT %s %sselect) for permanent-verb-restore to snapin with node name %s\n"),
bOriginalScopeSel ? _T("Scope") : _T("Result"),
bSelect ? _T("") : _T("De-"),
lpszNodeName);
#endif
scNoTrace = pCCOriginalSel->Notify(pOriginalSelDataObject, MMCN_SELECT,
MAKELONG(bOriginalScopeSel, bSelect), 0);
if (scNoTrace)
{
TraceSnapinError(TEXT("Snapin has returned error from IComponent::Notify with MMCN_SELECT event"), scNoTrace);
}
// Verbs were initialized, therefore recompute verbstates.
if (bSelect)
{
// get the verbset
CVerbSet* pVerbSet = dynamic_cast<CVerbSet*>( pViewData->GetVerbSet() );
sc = ScCheckPointers( pVerbSet, E_UNEXPECTED );
if (sc)
return sc;
/*
* The selection context information stored in this object is
* invalid upon de-selection of that item.
*/
m_bVerbContextDataValid = bSelect;
sc = pVerbSet->ScComputeVerbStates();
if (sc)
return sc;
}
}
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CTemporaryVerbSet::ScInitialize
//
// Synopsis: Initialize the temp verb set,
//
// Since we are sending MMCN_SELECT notifications to the snapin
// to calculate temp verbs,
//
// 1. first send de-select to the item for which we sent
// (MMCN_SELECT, true) last time.
// (If last one is MMCN_SELECT,false then skip this and 4th step)
//
// 2. Send (MMCN_SELECT, true) for temp verb calculation.
// 3. Send (MMCN_SELECT, false) for temp verb calculation.
//
// 4. Now send (MMCN_SELECT, true) to select original item (in step 1).
//
// So we need to compute the dataobject for temp-selected item (from
// given parameters) and for originally selected item (ask the viewdata).
//
// Arguments: [lpDataObjectForTempSel] - [in] dataobject of the temp selected object.
// [pNodeForTempSel] - [in] bScope = true, the node that will be temp selected else
// the node that owns the result pane item that is temp selected.
// [bTempScopePaneSel] - [in]
// [lResultCookie] - [in]
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CTemporaryVerbSet::ScInitialize (LPDATAOBJECT lpDataObjectForTempSel,
CNode *pNodeForTempSel,
bool bTempScopePaneSel,
LPARAM lResultCookie)
{
DECLARE_SC(sc, _T("CTemporaryVerbSet::ScInitialize"));
sc = ScCheckPointers(lpDataObjectForTempSel, pNodeForTempSel);
if (sc)
return sc;
// get view data
CViewData *pViewData = pNodeForTempSel->GetViewData();
sc = ScCheckPointers( pViewData, E_UNEXPECTED );
if (sc)
return sc;
// get the verbset
CVerbSet* pVerbSet = dynamic_cast<CVerbSet*>( pViewData->GetVerbSet() );
sc = ScCheckPointers( pVerbSet, E_UNEXPECTED );
if (sc)
return sc;
if (! pNodeForTempSel->IsInitialized())
{
sc = pNodeForTempSel->InitComponents();
if (sc)
return sc.ToHr();
}
CComponent *pCCTempSel = pNodeForTempSel->GetPrimaryComponent();
sc = ScCheckPointers(pCCTempSel, E_UNEXPECTED);
if (sc)
return sc;
/*
* We create a temporary verb to get given verb's state. So inform
* the original verb object that there is a temporary verb
* so that standard-toolbars are not applied the temporary verb.
*/
CDisableStandardToolbarChanges standardbarChanges(pVerbSet);
bool bTempSelected = true; // always compute verb for selection of an item.
Reset();
m_bScopePaneSelected = bTempScopePaneSel;
m_pNode = pNodeForTempSel;
m_lResultCookie = lResultCookie;
// sanity check - if it is a result item then we need to have the valid cookie.
// but for virtual list - cookie is just an index - it is always valid.
// see bug #143401 why IsVirtual is needed
if ( (! m_bScopePaneSelected) && (!pViewData->IsVirtualList()) && (m_lResultCookie == 0))
return (sc = E_INVALIDARG);
// Ignore the return values from IComponent::Notify
// 1. SEND de-selection to permananet verb set.
sc = ScInitializePermanentVerbSet (pNodeForTempSel, /*bSelect*/ false);
if (sc)
return sc;
// 2. SEND selection to temporary verb set.
#ifdef DBG
Trace(tagVerbs, _T("Sent (MMCN_SELECT %s Select) for tempverbs to snapin with node name %s\n"),
m_bScopePaneSelected ? _T("Scope") : _T("Result"),
pNodeForTempSel->GetDisplayName().data());
#endif
// Before sending select reset the console verb states.
sc = pCCTempSel->ScResetConsoleVerbStates();
if (sc)
return sc;
SC scNoTrace = pCCTempSel->Notify(lpDataObjectForTempSel, MMCN_SELECT, MAKELONG(m_bScopePaneSelected, bTempSelected), 0);
if (scNoTrace)
{
TraceSnapinError(TEXT("Snapin has returned error from IComponent::Notify with MMCN_SELECT event"), scNoTrace);
}
// 2.a) Compute the verbs.
/*
* The selection context information stored in this object is
* invalid upon de-selection of that item.
*/
m_bVerbContextDataValid = bTempSelected;
sc = ScComputeVerbStates();
if (sc)
sc.TraceAndClear();
// 3. SEND de-selection to temporary verb set.
#ifdef DBG
Trace(tagVerbs, _T("Sent (MMCN_SELECT %s De-select) for tempverbs to snapin with node name %s\n"),
m_bScopePaneSelected ? _T("Scope") : _T("Result"),
pNodeForTempSel->GetDisplayName().data());
#endif
// Before sending select reset the console verb states.
sc = pCCTempSel->ScResetConsoleVerbStates();
if (sc)
return sc;
scNoTrace = pCCTempSel->Notify(lpDataObjectForTempSel, MMCN_SELECT, MAKELONG(m_bScopePaneSelected, !bTempSelected), 0);
if (scNoTrace)
{
TraceSnapinError(TEXT("Snapin has returned error from IComponent::Notify with MMCN_SELECT event"), scNoTrace);
}
// 4. SEND select to permanent verb set.
sc = ScInitializePermanentVerbSet (pNodeForTempSel, /*bSelect*/ true);
if (sc)
return sc;
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CTemporaryVerbSet::ScComputeVerbStates
//
// Synopsis: Since this is temp verb set, we need to get the states
// of all verbs from CConsoleVerbImpl object immediately after
// we sent MMCN_SELECT with item seelcted. Otherwise they will
// be overwritten by subsequent SetVerbState (due to restore MMCN_SELECT
// notifications).
//
// Arguments:
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CTemporaryVerbSet::ScComputeVerbStates ()
{
DECLARE_SC(sc, _T("CTemporaryVerbSet::ScComputeVerbStates"));
sc = CVerbSetBase::ScComputeVerbStates();
if (sc)
return sc;
// _GetVerbState gets the state of the verb from CConsoleVerbImpl
// and fills it in this object's members which will be used later.
for (int verb=evNone; verb < evMax; ++verb)
_GetVerbState((EVerb)verb);
// Get the default verb and store it.
CVerbSetBase::GetDefaultVerb(&m_DefaultVerb);
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CTemporaryVerbSet::GetDefaultVerb
//
// Synopsis: Get the default verb for the temp sel.
//
// Arguments: [peCmdID] - [out] ptr to default verb.
//
// Returns: SC
//
//--------------------------------------------------------------------
HRESULT CTemporaryVerbSet::GetDefaultVerb (MMC_CONSOLE_VERB* peCmdID)
{
DECLARE_SC(sc, _T("CTemporaryVerbSet::GetDefaultVerb"));
sc = ScCheckPointers(peCmdID);
if (sc)
return sc.ToHr();
*peCmdID = m_DefaultVerb;
return (sc.ToHr());
}