Leaked source code of windows server 2003
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/*--------------------------------------------------------------------------*
*
* Microsoft Windows
* Copyright (C) Microsoft Corporation, 1999 - 1999
*
* File: viewset.cpp
*
* Contents: Implements CViewSettings.
*
* History: 21-April-99 vivekj Created
*
*--------------------------------------------------------------------------*/
#include "stgio.h"
#include "stddbg.h"
#include "macros.h"
#include <comdef.h>
#include "serial.h"
#include "mmcdebug.h"
#include "mmcerror.h"
#include "ndmgr.h"
#include <string>
#include "atlbase.h"
#include "cstr.h"
#include "xmlbase.h"
#include "resultview.h"
#include "viewset.h"
#include "countof.h"
//############################################################################
//############################################################################
//
// The safer string handling routines
//
//############################################################################
//############################################################################
#include <strsafe.h>
CViewSettings::CViewSettings()
: m_ulViewMode(0), m_guidTaskpad(GUID_NULL),
m_dwRank(-1), m_bInvalid(FALSE), m_dwMask(0)
{
}
bool
CViewSettings::IsViewModeValid() const
{
return ( (m_RVType.HasList()) &&
(m_dwMask & VIEWSET_MASK_VIEWMODE) );
}
bool
CViewSettings::operator == (const CViewSettings& viewSettings)
{
if (m_dwMask != viewSettings.m_dwMask)
{
return false;
}
if (IsViewModeValid() &&
(m_ulViewMode != viewSettings.m_ulViewMode) )
{
return false;
}
if (IsTaskpadIDValid() &&
(m_guidTaskpad != viewSettings.m_guidTaskpad))
{
return false;
}
if (IsResultViewTypeValid() &&
(m_RVType != viewSettings.m_RVType))
{
return false;
}
return true;
}
//+-------------------------------------------------------------------
//
// Member: CViewSettings::ScInitialize
//
// Synopsis: Private member to read 1.2 console files and init
// the object.
//
// Arguments:
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CViewSettings::ScInitialize(bool bViewTypeValid, const VIEW_TYPE& viewType, const long lViewOptions, const wstring& wstrViewName)
{
DECLARE_SC(sc, _T("CViewSettings::ScInitialize"));
LPOLESTR pViewName = NULL;
if (wstrViewName.length() > 0)
{
int cchViewName = (wstrViewName.length() + 1);
pViewName = (LPOLESTR) CoTaskMemAlloc(cchViewName * sizeof(OLECHAR));
sc = ScCheckPointers(pViewName);
if(sc)
return sc;
sc = StringCchCopyW(pViewName, cchViewName, wstrViewName.data());
if(sc)
return sc;
}
sc = m_RVType.ScInitialize(pViewName, lViewOptions);
if (sc)
return sc;
SetResultViewTypeValid( bViewTypeValid );
if ( bViewTypeValid )
{
// Now put these data in CViewSettings.
switch(viewType)
{
case VIEW_TYPE_OCX:
case VIEW_TYPE_WEB:
break;
case VIEW_TYPE_DEFAULT:
// What is this?
ASSERT(FALSE);
break;
case VIEW_TYPE_LARGE_ICON:
m_ulViewMode = MMCLV_VIEWSTYLE_ICON;
SetViewModeValid();
break;
case VIEW_TYPE_SMALL_ICON:
m_ulViewMode = MMCLV_VIEWSTYLE_SMALLICON;
SetViewModeValid();
break;
case VIEW_TYPE_REPORT:
m_ulViewMode = MMCLV_VIEWSTYLE_REPORT;
SetViewModeValid();
break;
case VIEW_TYPE_LIST:
m_ulViewMode = MMCLV_VIEWSTYLE_LIST;
SetViewModeValid();
break;
case VIEW_TYPE_FILTERED:
m_ulViewMode = MMCLV_VIEWSTYLE_FILTERED;
SetViewModeValid();
break;
default:
// Should never come here.
ASSERT(FALSE);
break;
}
}
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: ReadSerialObject
//
// Synopsis: Reads the given version of CViewSettings from stream.
//
// Arguments: [stm] - The input stream.
// [nVersion] - version of CColumnSortInfo to be read.
//
// The format is :
// VIEW_TYPE
// View Options
// String (If VIEW_TYPE is OCX or Web).
//
//--------------------------------------------------------------------
HRESULT CViewSettings::ReadSerialObject(IStream &stm, UINT nVersion)
{
HRESULT hr = S_FALSE; // assume unknown version
if ( (4 <= nVersion))
{
try
{
VIEW_TYPE viewType;
long lViewOptions;
// ugly hackery required to extract directly into an enum
stm >> *((int *) &viewType);
stm >> lViewOptions;
wstring wstrViewName;
if( (VIEW_TYPE_OCX==viewType) || (VIEW_TYPE_WEB==viewType) )
stm >> wstrViewName;
if(2<=nVersion) // taskpads were added in version 2 of this object.
{
stm >> m_guidTaskpad;
SetTaskpadIDValid(GUID_NULL != m_guidTaskpad);
}
if (3<=nVersion)
stm >> m_dwRank;
DWORD dwMask = 0;
bool bViewTypeValid = true;
if (4 <= nVersion)
{
stm >> dwMask;
const DWORD MMC12_VIEWSET_MASK_TYPE = 0x0001;
bViewTypeValid = ( dwMask & MMC12_VIEWSET_MASK_TYPE );
}
hr = ScInitialize(bViewTypeValid, viewType, lViewOptions, wstrViewName).ToHr();
}
catch (_com_error& err)
{
hr = err.Error();
ASSERT (false && "Caught _com_error");
}
}
return (hr);
}
//+-------------------------------------------------------------------
//
// Member: CViewSettings::Persist
//
// Synopsis: persist to / from XML document.
//
// Arguments: [persistor] - target or source.
//
//--------------------------------------------------------------------
void CViewSettings::Persist(CPersistor& persistor)
{
// First Load or Save the mask. (Mask tells which members are valid).
// define the table to map enumeration values to strings
static const EnumLiteral mappedMasks[] =
{
{ VIEWSET_MASK_VIEWMODE, XML_BITFLAG_VIEWSET_MASK_VIEWMODE },
{ VIEWSET_MASK_RVTYPE, XML_BITFLAG_VIEWSET_MASK_RVTYPE },
{ VIEWSET_MASK_TASKPADID, XML_BITFLAG_VIEWSET_MASK_TASKPADID },
};
// create wrapper to persist flag values as strings
CXMLBitFlags maskPersistor(m_dwMask, mappedMasks, countof(mappedMasks));
// persist the wrapper
persistor.PersistAttribute(XML_ATTR_VIEW_SETTINGS_MASK, maskPersistor);
if (IsTaskpadIDValid())
persistor.Persist(m_guidTaskpad);
// it is important to load this first - IsViewModeValid() uses m_RVType
// see windows bug #496964 (11/20/2001)
if (persistor.IsLoading() && IsResultViewTypeValid())
// Call CResultViewType to persist itself.
persistor.Persist(m_RVType);
if (IsViewModeValid())
{
// define the table to map enumeration values to strings
static const EnumLiteral mappedModes[] =
{
{ MMCLV_VIEWSTYLE_ICON, XML_ENUM_LV_STYLE_ICON },
{ MMCLV_VIEWSTYLE_SMALLICON, XML_ENUM_LV_STYLE_SMALLICON },
{ MMCLV_VIEWSTYLE_LIST, XML_ENUM_LV_STYLE_LIST },
{ MMCLV_VIEWSTYLE_REPORT, XML_ENUM_LV_STYLE_REPORT },
{ MMCLV_VIEWSTYLE_FILTERED, XML_ENUM_LV_STYLE_FILTERED },
};
// create wrapper to persist flag values as strings
CXMLEnumeration modePersistor(m_ulViewMode, mappedModes, countof(mappedModes));
// persist the wrapper
persistor.PersistAttribute(XML_ATTR_VIEW_SETNGS_VIEW_MODE, modePersistor);
}
if (persistor.IsStoring() && IsResultViewTypeValid())
// Call CResultViewType to persist itself.
persistor.Persist(m_RVType);
bool bPeristRank = true;
if (persistor.IsLoading())
m_dwRank = (DWORD)-1; // make sure it's initialized if fails to load
else
bPeristRank = (m_dwRank != (DWORD)-1); // persist only if is used
if (bPeristRank)
persistor.PersistAttribute(XML_ATTR_VIEW_SETTINGS_RANK, m_dwRank, attr_optional);
}
//+-------------------------------------------------------------------
//
// Member: CViewSettings::ScGetViewMode
//
// Synopsis: Gets the view mode in list view.
//
// Arguments: [ulViewMode] - New view mode.
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CViewSettings::ScGetViewMode (ULONG& ulViewMode)
{
SC sc;
if (!IsViewModeValid())
return (sc = E_FAIL);
ulViewMode = m_ulViewMode;
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CViewSettings::ScSetViewMode
//
// Synopsis:
//
// Arguments:
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CViewSettings::ScSetViewMode (const ULONG ulViewMode)
{
SC sc;
m_ulViewMode = ulViewMode;
SetViewModeValid();
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CViewSettings::ScGetTaskpadID
//
// Synopsis:
//
// Arguments:
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CViewSettings::ScGetTaskpadID (GUID& guidTaskpad)
{
SC sc;
if (! IsTaskpadIDValid())
return (sc = E_FAIL);
guidTaskpad = m_guidTaskpad;
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CViewSettings::ScSetTaskpadID
//
// Synopsis:
//
// Arguments:
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CViewSettings::ScSetTaskpadID (const GUID& guidTaskpad)
{
DECLARE_SC(sc, _T("CViewSettings::ScSetTaskpadID"));
m_guidTaskpad = guidTaskpad;
SetTaskpadIDValid(true);
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CViewSettings::ScGetResultViewType
//
// Synopsis:
//
// Arguments:
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CViewSettings::ScGetResultViewType (CResultViewType& rvt)
{
SC sc;
if (! IsResultViewTypeValid())
return (sc = E_FAIL);
rvt = m_RVType;
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CViewSettings::ScSetResultViewType
//
// Synopsis:
//
// Arguments:
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CViewSettings::ScSetResultViewType (const CResultViewType& rvt)
{
DECLARE_SC(sc, _T("CViewSettings::ScSetResultViewType"));
m_RVType = rvt;
SetResultViewTypeValid();
// ResultViewType changes, if new result-pane contains list use
// current view mode if one exists else invalidate view mode data.
if (!rvt.HasList())
SetViewModeValid(false);
return (sc);
}