Source code of Windows XP (NT5)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

626 lines
21 KiB

//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 2000
//
// File: ResultViewInfo.h
//
// History: Jan-18-2000 VivekJ Added
//--------------------------------------------------------------------------
#ifndef _RESULTVIEW_H
#define _RESULTVIEW_H
/*+-------------------------------------------------------------------------*
* class CResultViewType
*
*
* PURPOSE: Provides a wrapper for the RESULT_VIEW_TYPE_INFO structure, and
* is used for communication between conui and nodemgr.
*
*+-------------------------------------------------------------------------*/
class CResultViewType : public CXMLObject
{
typedef std::wstring wstring; // only wide strings are needed here.
protected:
virtual void Persist(CPersistor &persistor);
DEFINE_XML_TYPE(XML_TAG_RESULTVIEWTYPE);
public:
CResultViewType();
CResultViewType & operator =(RESULT_VIEW_TYPE_INFO &rvti); // conversion from a RESULT_VIEW_TYPE_INFO structure
bool operator != (const CResultViewType& rvt) const;
// the default copy constructor and assignment operators are sufficient
MMC_VIEW_TYPE GetType() const {return m_viewType;}
DWORD GetListOptions() const {return m_dwListOptions;}
DWORD GetHTMLOptions() const {return m_dwHTMLOptions;}
DWORD GetOCXOptions() const {return m_dwOCXOptions;}
DWORD GetMiscOptions() const {return m_dwMiscOptions;}
BOOL HasList() const {return (m_viewType==MMC_VIEW_TYPE_LIST);}
BOOL HasWebBrowser() const {return (m_viewType==MMC_VIEW_TYPE_HTML);}
BOOL HasOCX() const {return (m_viewType==MMC_VIEW_TYPE_OCX);}
LPCOLESTR GetURL() const {return m_strURL.data();}
LPCOLESTR GetOCX() const {return m_strOCX.data();}
LPUNKNOWN GetOCXUnknown() const {return m_spUnkControl;} // returns the IUnknown of the OCX.
bool IsPersistableViewDescriptionValid() const {return m_bPersistableViewDescriptionValid;}
bool IsMMC12LegacyData() const {return !IsPersistableViewDescriptionValid();}
SC ScInitialize(LPOLESTR & pszView, long lMiscOptions); // the legacy case.
SC ScGetOldTypeViewOptions(long* plViewOptions) const;
SC ScReset();
// functions specific to nodemgr. Do NOT add any member variables in this section.
#ifdef _NODEMGR_DLL_
SC ScInitialize(RESULT_VIEW_TYPE_INFO &rvti);
SC ScGetResultViewTypeInfo(RESULT_VIEW_TYPE_INFO& rvti) const;
#endif _NODEMGR_DLL_
private:
bool m_bPersistableViewDescriptionValid;
bool m_bInitialized;
MMC_VIEW_TYPE m_viewType;
wstring m_strURL;
wstring m_strOCX; // for snapins that implement IComponent only.
wstring m_strPersistableViewDescription;
DWORD m_dwMiscOptions;
DWORD m_dwListOptions;
DWORD m_dwHTMLOptions;
DWORD m_dwOCXOptions;
CComPtr<IUnknown> m_spUnkControl; // a smart pointer for the control created by the snapin.
};
inline CResultViewType::CResultViewType()
:
m_viewType(MMC_VIEW_TYPE_LIST), // the default view type
m_dwMiscOptions(0),
m_dwListOptions(0),
m_dwHTMLOptions(0),
m_dwOCXOptions(0),
m_bPersistableViewDescriptionValid(false),
m_bInitialized(false)
{
}
//+-------------------------------------------------------------------
//
// Member: CResultViewType::ScReset
//
// Synopsis:
//
// Arguments:
//
// Returns: SC
//
//--------------------------------------------------------------------
inline SC CResultViewType::ScReset ()
{
DECLARE_SC(sc, _T("CResultViewType::ScReset"));
m_viewType = MMC_VIEW_TYPE_LIST; // the default view type
m_dwMiscOptions = 0;
m_dwListOptions = 0;
m_dwHTMLOptions = 0;
m_dwOCXOptions = 0;
m_bPersistableViewDescriptionValid = false;
m_bInitialized = false;
return (sc);
}
/*+-------------------------------------------------------------------------*
*
* CResultViewType::operator!=
*
* PURPOSE: Operator != (Used by CViewSettings which is used by CMemento).
*
* NOTE: For MMC2 compare only persistable view desc for MMC1.2 compare all
* parameters.
*
*+-------------------------------------------------------------------------*/
inline
bool CResultViewType::operator != (const CResultViewType& rvt) const
{
if (m_bInitialized != rvt.m_bInitialized)
return true;
if (m_bPersistableViewDescriptionValid)
{
if (m_strPersistableViewDescription != rvt.m_strPersistableViewDescription)
return true;
return false;
}
// Legacy case MMC1.2, should compare other parameters.
switch(m_viewType)
{
default:
ASSERT(FALSE && _T("Unknown view type"));
break;
case MMC_VIEW_TYPE_LIST:
if ( (m_viewType != rvt.m_viewType) ||
(m_dwMiscOptions != rvt.m_dwMiscOptions) ||
(m_dwListOptions != rvt.m_dwListOptions) )
{
return true;
}
break;
case MMC_VIEW_TYPE_HTML:
if ( (m_viewType != rvt.m_viewType) ||
(m_dwMiscOptions != rvt.m_dwMiscOptions) ||
(m_dwHTMLOptions != rvt.m_dwHTMLOptions) ||
(m_strURL != rvt.m_strURL) )
{
return true;
}
break;
case MMC_VIEW_TYPE_OCX:
if ( (m_viewType != rvt.m_viewType) ||
(m_dwMiscOptions != rvt.m_dwMiscOptions) ||
(m_dwOCXOptions != rvt.m_dwOCXOptions) ||
(m_strOCX != rvt.m_strOCX) )
{
return true;
}
break;
}
return false;
}
/*+-------------------------------------------------------------------------*
*
* CResultViewType::ScInitialize
*
* PURPOSE: Initializes the class from parameters returned by IComponent::
* GetResultViewType
*
* PARAMETERS:
* LPOLESTR ppViewType :
* long lViewOptions :
*
* RETURNS:
* SC
*
* NOTE: This is for MMC1.2 compatible GetResultViewType.
*
*+-------------------------------------------------------------------------*/
inline
SC CResultViewType::ScInitialize(LPOLESTR & pszView, long lViewOptions)
{
DECLARE_SC(sc, TEXT("CResultViewType::ScInitialize"));
m_bInitialized = true;
m_bPersistableViewDescriptionValid = false; // the legacy case - we don't have a persistable view description.
// MMC_VIEW_OPTIONS_NOLISTVIEWS is a special case - it goes to the dwMiscOptions
if(lViewOptions & MMC_VIEW_OPTIONS_NOLISTVIEWS)
m_dwMiscOptions |= RVTI_MISC_OPTIONS_NOLISTVIEWS;
// check whether the type of view is a web page or OCX.
if ( (NULL == pszView) || (_T('\0') == pszView[0]) )
{
// the result pane is a standard list
m_viewType = MMC_VIEW_TYPE_LIST;
m_dwListOptions = 0;
// convert the view options from the old bits to the new ones
if(lViewOptions & MMC_VIEW_OPTIONS_OWNERDATALIST) m_dwListOptions |= RVTI_LIST_OPTIONS_OWNERDATALIST;
if(lViewOptions & MMC_VIEW_OPTIONS_MULTISELECT) m_dwListOptions |= RVTI_LIST_OPTIONS_MULTISELECT;
if(lViewOptions & MMC_VIEW_OPTIONS_FILTERED) m_dwListOptions |= RVTI_LIST_OPTIONS_FILTERED;
if(lViewOptions & MMC_VIEW_OPTIONS_USEFONTLINKING) m_dwListOptions |= RVTI_LIST_OPTIONS_USEFONTLINKING;
if(lViewOptions & MMC_VIEW_OPTIONS_EXCLUDE_SCOPE_ITEMS_FROM_LIST) m_dwListOptions |= RVTI_LIST_OPTIONS_EXCLUDE_SCOPE_ITEMS_FROM_LIST;
if(lViewOptions & MMC_VIEW_OPTIONS_LEXICAL_SORT) m_dwListOptions |= RVTI_LIST_OPTIONS_LEXICAL_SORT;
}
else
{
// the result pane is a web page or an OCX.
if (L'{' == pszView[0]) // the hacky way of ensuring that the result view is an OCX
{
m_viewType = MMC_VIEW_TYPE_OCX;
m_strOCX = pszView;
// If the snapin says "create new" then do not "cache the ocx"
if(!(lViewOptions & MMC_VIEW_OPTIONS_CREATENEW)) m_dwOCXOptions |= RVTI_OCX_OPTIONS_CACHE_OCX;
if(lViewOptions & MMC_VIEW_OPTIONS_NOLISTVIEWS) m_dwOCXOptions |= RVTI_OCX_OPTIONS_NOLISTVIEW;
}
else
{
m_viewType = MMC_VIEW_TYPE_HTML;
m_strURL = pszView;
if(lViewOptions & MMC_VIEW_OPTIONS_NOLISTVIEWS) m_dwHTMLOptions |= RVTI_HTML_OPTIONS_NOLISTVIEW;
}
}
// make sure we free the allocated memory.
if(pszView != NULL)
{
::CoTaskMemFree(pszView);
pszView = NULL; // NOTE: pszView is a reference, so this changes the in parameter.
}
return sc;
}
//+-------------------------------------------------------------------
//
// Member: CResultViewType::Persist
//
// Synopsis: persist to / from XML document.
//
// Arguments: [persistor] - target or source.
//
//--------------------------------------------------------------------
inline
void CResultViewType::Persist(CPersistor& persistor)
{
if ( (! m_bInitialized) &&
(persistor.IsStoring()) )
{
SC sc;
(sc = E_UNEXPECTED).Throw();
}
else
m_bInitialized = true;
if (persistor.IsLoading())
m_bPersistableViewDescriptionValid = persistor.HasElement(XML_TAG_RESULTVIEW_DESCRIPTION, NULL);
if (m_bPersistableViewDescriptionValid)
{
CPersistor persistorDesc(persistor, XML_TAG_RESULTVIEW_DESCRIPTION);
persistorDesc.PersistContents(m_strPersistableViewDescription);
return;
}
// Legacy code for MMC1.2
{
int &viewType = (int&) m_viewType;
// define the table to map enumeration values to strings
static const EnumLiteral mappedViewTypes[] =
{
{ MMC_VIEW_TYPE_LIST, XML_ENUM_MMC_VIEW_TYPE_LIST },
{ MMC_VIEW_TYPE_HTML, XML_ENUM_MMC_VIEW_TYPE_HTML },
{ MMC_VIEW_TYPE_OCX, XML_ENUM_MMC_VIEW_TYPE_OCX },
};
const size_t countof_types = sizeof(mappedViewTypes)/sizeof(mappedViewTypes[0]);
// create wrapper to persist flag values as strings
CXMLEnumeration viewTypePersistor(viewType, mappedViewTypes, countof_types );
// persist the wrapper
persistor.PersistAttribute(XML_ATTR_VIEW_SETTINGS_TYPE, viewTypePersistor);
switch(m_viewType)
{
case MMC_VIEW_TYPE_LIST:
{
// define the table to map enumeration flags to strings
static const EnumLiteral mappedLVOptions[] =
{
{ RVTI_LIST_OPTIONS_OWNERDATALIST, XML_BITFLAG_LIST_OPTIONS_OWNERDATALIST },
{ RVTI_LIST_OPTIONS_MULTISELECT, XML_BITFLAG_LIST_OPTIONS_MULTISELECT },
{ RVTI_LIST_OPTIONS_FILTERED, XML_BITFLAG_LIST_OPTIONS_FILTERED },
{ RVTI_LIST_OPTIONS_USEFONTLINKING, XML_BITFLAG_LIST_OPTIONS_USEFONTLINKING },
{ RVTI_LIST_OPTIONS_EXCLUDE_SCOPE_ITEMS_FROM_LIST, XML_BITFLAG_LIST_OPTIONS_NO_SCOPE_ITEMS },
{ RVTI_LIST_OPTIONS_LEXICAL_SORT, XML_BITFLAG_LIST_OPTIONS_LEXICAL_SORT },
};
const size_t countof_options = sizeof(mappedLVOptions)/sizeof(mappedLVOptions[0]);
// create wrapper to persist flag values as strings
CXMLBitFlags optPersistor(m_dwListOptions, mappedLVOptions, countof_options);
persistor.PersistAttribute(XML_ATTR_RESULTVIEWTYPE_OPTIONS, optPersistor);
}
break;
case MMC_VIEW_TYPE_HTML:
{
// NOT USED - persistor.PersistAttribute(XML_ATTR_RESULTVIEWTYPE_OPTIONS, m_dwHTMLOptions);
m_dwHTMLOptions = 0;
persistor.PersistAttribute(XML_ATTR_RESULTVIEWTYPE_URL_STRING, m_strURL);
}
break;
case MMC_VIEW_TYPE_OCX:
{
// define the table to map enumeration flags to strings
static const EnumLiteral mappedOCXOptions[] =
{
{ RVTI_OCX_OPTIONS_CACHE_OCX, XML_BITFLAG_OCX_OPTIONS_CACHE_OCX },
};
const size_t countof_options = sizeof(mappedOCXOptions)/sizeof(mappedOCXOptions[0]);
// create wrapper to persist flag values as strings
CXMLBitFlags optPersistor(m_dwOCXOptions, mappedOCXOptions, countof_options);
// persist the wrapper
persistor.PersistAttribute(XML_ATTR_RESULTVIEWTYPE_OPTIONS, optPersistor);
persistor.PersistAttribute(XML_ATTR_RESULTVIEWTYPE_OCX_STRING, m_strOCX);
}
break;
default:
ASSERT(FALSE && _T("Unknown MMC_VIEW_TYPE"));
break;
}
// define the table to map enumeration flags to strings
static const EnumLiteral mappedMiscOptions[] =
{
{ RVTI_MISC_OPTIONS_NOLISTVIEWS, _T("Misc_NoListViews") },
};
const size_t countof_miscoptions = sizeof(mappedMiscOptions)/sizeof(mappedMiscOptions[0]);
// create wrapper to persist flag values as strings
CXMLBitFlags miscPersistor(m_dwMiscOptions, mappedMiscOptions, countof_miscoptions);
// persist the wrapper
persistor.PersistAttribute(XML_ATTR_RESULTVIEWTYPE_MISC_OPTIONS, miscPersistor);
}
}
/*+-------------------------------------------------------------------------*
*
* CResultViewType::ScGetOldTypeViewOptions
*
* PURPOSE: This method is for compatibility with MMC1.2. It makes MMC1.2 compatible
* view option for MMCN_RESTORE_VIEW.
*
* PARAMETERS:
* [out] long* plViewOptions :
*
* RETURNS:
* SC
*
*+-------------------------------------------------------------------------*/
inline SC
CResultViewType::ScGetOldTypeViewOptions(long* plViewOptions) const
{
DECLARE_SC(sc, TEXT("CResultViewType::ScInitialize"));
sc = ScCheckPointers(plViewOptions);
if (sc)
return sc;
*plViewOptions = 0;
if(! m_bInitialized)
return (sc = E_UNEXPECTED); // should be initialized.
if (m_bPersistableViewDescriptionValid)
return (sc = E_UNEXPECTED); // Not MMC1.2 type data.
if (HasWebBrowser())
{
if (m_dwMiscOptions & RVTI_MISC_OPTIONS_NOLISTVIEWS)
*plViewOptions = MMC_VIEW_OPTIONS_NOLISTVIEWS;
return sc;
}
if (HasList())
{
if(m_dwListOptions & RVTI_LIST_OPTIONS_OWNERDATALIST) *plViewOptions |= MMC_VIEW_OPTIONS_OWNERDATALIST;
if(m_dwListOptions & RVTI_LIST_OPTIONS_MULTISELECT) *plViewOptions |= MMC_VIEW_OPTIONS_MULTISELECT;
if(m_dwListOptions & RVTI_LIST_OPTIONS_FILTERED) *plViewOptions |= MMC_VIEW_OPTIONS_FILTERED;
if(m_dwListOptions & RVTI_LIST_OPTIONS_USEFONTLINKING) *plViewOptions |= MMC_VIEW_OPTIONS_USEFONTLINKING;
if(m_dwListOptions & RVTI_LIST_OPTIONS_EXCLUDE_SCOPE_ITEMS_FROM_LIST) *plViewOptions |= MMC_VIEW_OPTIONS_EXCLUDE_SCOPE_ITEMS_FROM_LIST;
if(m_dwListOptions & RVTI_LIST_OPTIONS_LEXICAL_SORT) *plViewOptions |= MMC_VIEW_OPTIONS_LEXICAL_SORT;
return sc;
}
else if(HasOCX())
{
// NOTE: The CREATENEW flag has the opposite sense of the CACHE_OCX flag.
if(!(m_dwOCXOptions & RVTI_OCX_OPTIONS_CACHE_OCX)) *plViewOptions |= MMC_VIEW_OPTIONS_CREATENEW;
if (m_dwMiscOptions & RVTI_MISC_OPTIONS_NOLISTVIEWS) *plViewOptions = MMC_VIEW_OPTIONS_NOLISTVIEWS;
return sc;
}
return (sc = E_UNEXPECTED);
}
#ifdef _NODEMGR_DLL_
/*+-------------------------------------------------------------------------*
*
* CResultViewType::ScInitialize
*
* PURPOSE: Initializes the class from a RESULT_VIEW_TYPE_INFO structure.
*
* PARAMETERS:
* RESULT_VIEW_TYPE_INFO & rvti :
*
* RETURNS:
* SC
*
*+-------------------------------------------------------------------------*/
inline SC
CResultViewType::ScInitialize(RESULT_VIEW_TYPE_INFO &rvti)
{
DECLARE_SC(sc, TEXT("CResultViewType::ScInitialize"));
if(m_bInitialized)
return (sc = E_UNEXPECTED); // should not try to initialize twice
m_bInitialized = true;
// make sure we have a persistable view description.
if(!rvti.pstrPersistableViewDescription)
{
sc = E_INVALIDARG;
TraceSnapinError(TEXT("Parameter 'pstrPersistableViewDescription' in structure 'RESULT_VIEW_TYPE_INFO' is NULL"), sc);
return sc;
}
// copy the description
m_strPersistableViewDescription = rvti.pstrPersistableViewDescription;
::CoTaskMemFree(rvti.pstrPersistableViewDescription);
rvti.pstrPersistableViewDescription = NULL; // just to make sure we don't try to use it
m_bPersistableViewDescriptionValid = true;
// validate the view type
m_viewType = rvti.eViewType;
if( (m_viewType != MMC_VIEW_TYPE_LIST) &&
(m_viewType != MMC_VIEW_TYPE_OCX) &&
(m_viewType != MMC_VIEW_TYPE_HTML) )
{
sc = E_INVALIDARG;
TraceSnapinError(TEXT("Parameter 'eViewType' in structure 'RESULT_VIEW_TYPE_INFO' is invalid"), sc);
return sc;
}
// validate the various view options
switch(m_viewType)
{
default:
ASSERT(0 && "Should not come here");
return (sc = E_INVALIDARG);
break;
case MMC_VIEW_TYPE_LIST:
if(rvti.dwListOptions & ~( RVTI_LIST_OPTIONS_NONE |
RVTI_LIST_OPTIONS_OWNERDATALIST | RVTI_LIST_OPTIONS_MULTISELECT |
RVTI_LIST_OPTIONS_FILTERED | RVTI_LIST_OPTIONS_USEFONTLINKING |
RVTI_LIST_OPTIONS_EXCLUDE_SCOPE_ITEMS_FROM_LIST | RVTI_LIST_OPTIONS_LEXICAL_SORT |
RVTI_LIST_OPTIONS_ALLOWPASTE )
)
{
sc = E_INVALIDARG;
TraceSnapinError(TEXT("Parameter 'dwListOptions' in structure 'RESULT_VIEW_TYPE_INFO' is invalid"), sc);
return sc;
}
m_dwListOptions = rvti.dwListOptions;
break;
case MMC_VIEW_TYPE_HTML:
// if the view type is HTML, make sure that no flags are set. If snapins wrongly set this flag, it could break our well
// intentioned effort to add future expansion
if(rvti.dwHTMLOptions & ~( RVTI_HTML_OPTIONS_NONE |
RVTI_HTML_OPTIONS_NOLISTVIEW) )
{
sc = E_INVALIDARG;
TraceSnapinError(TEXT("Parameter 'dwHTMLOptions' in structure 'RESULT_VIEW_TYPE_INFO' must be zero"), sc);
return sc;
}
// make sure we have a valid URL
if(NULL == rvti.pstrURL)
{
sc = E_INVALIDARG;
TraceSnapinError(TEXT("Parameter 'pstrURL' in structure 'RESULT_VIEW_TYPE_INFO' cannot be NULL"), sc);
return sc;
}
m_dwHTMLOptions = 0;
// copy the URL
m_strURL = rvti.pstrURL;
::CoTaskMemFree(rvti.pstrURL);
rvti.pstrURL = NULL; // just to make sure we don't try to use it
break;
case MMC_VIEW_TYPE_OCX:
if(rvti.dwOCXOptions & ~( RVTI_OCX_OPTIONS_NONE |
RVTI_OCX_OPTIONS_NOLISTVIEW |
RVTI_OCX_OPTIONS_CACHE_OCX) )
{
sc = E_INVALIDARG;
TraceSnapinError(TEXT("Parameter 'dwOCXOptions' in structure 'RESULT_VIEW_TYPE_INFO' is invalid"), sc);
return sc;
}
// if an OCX was specified, must have a valid OCX control IUnknown
if(rvti.pUnkControl == NULL)
{
sc = E_INVALIDARG;
TraceSnapinError(TEXT("No OCX specified in parameter 'pUnkControl' of structure 'RESULT_VIEW_TYPE_INFO'"), sc);
return sc;
}
m_dwOCXOptions = rvti.dwOCXOptions;
m_spUnkControl = rvti.pUnkControl; // does an addref, but rvti.ppUnkControl already had an addref set by the snapin. So need to release it once.
rvti.pUnkControl->Release();
break;
}
return sc;
}
//+-------------------------------------------------------------------
//
// Member: CResultViewType::ScGetResultViewTypeInfo
//
// Synopsis: Fill the RESULT_VIEW_TYPE_INFO struct and return.
//
// Arguments: [rvti] - Fill the struct and return.
//
// Returns: SC
//
//--------------------------------------------------------------------
inline SC
CResultViewType::ScGetResultViewTypeInfo (RESULT_VIEW_TYPE_INFO& rvti) const
{
DECLARE_SC(sc, _T("CResultViewType::ScGetResultViewTypeInfo"));
if(! m_bInitialized)
return (sc = E_UNEXPECTED);
ZeroMemory(&rvti, sizeof(rvti));
rvti.pstrPersistableViewDescription = NULL;
// must have a persistable description
if (!IsPersistableViewDescriptionValid())
return (sc = E_UNEXPECTED);
rvti.pstrPersistableViewDescription = (LPOLESTR)
CoTaskMemAlloc( (1 + wcslen(m_strPersistableViewDescription.data())) * sizeof(OLECHAR));
sc = ScCheckPointers(rvti.pstrPersistableViewDescription, E_OUTOFMEMORY);
if (sc)
return sc;
// copy over the description string.
wcscpy(rvti.pstrPersistableViewDescription, m_strPersistableViewDescription.data());
return (sc);
}
#endif _NODEMGR_DLL_
#endif //_RESULTVIEW_H