Source code of Windows XP (NT5)
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/*++
Module Name:
IComData.cpp
Abstract:
This module contains the implementation for CDfsSnapinScopeManager.
This class implements IComponentData and other related interfaces
--*/
#include "stdafx.h"
#include "DfsGUI.h"
#include "DfsScope.h"
#include "MmcDispl.h"
#include "DfsReslt.h"
#include "Utils.h"
#include "DfsNodes.h"
STDMETHODIMP
CDfsSnapinScopeManager::Initialize(
IN LPUNKNOWN i_pUnknown
)
/*++
Routine Description:
Initialize the IComponentData interface.
The variables needed later are QI'ed now
Arguments:
i_pUnknown - Pointer to the unknown object of IConsole2.
Return value:
S_OK, On success
E_INVALIDARG, On incorrect input parameters
HRESULT sent by methods called, if it is not S_OK.
E_FAIL, on other errors.
--*/
{
RETURN_INVALIDARG_IF_NULL(i_pUnknown);
HRESULT hr = i_pUnknown->QueryInterface(IID_IConsole2, reinterpret_cast<void**>(&m_pConsole));
RETURN_IF_FAILED(hr);
hr = m_pMmcDfsAdmin->PutConsolePtr(m_pConsole);
RETURN_IF_FAILED(hr);
hr = i_pUnknown->QueryInterface(IID_IConsoleNameSpace, reinterpret_cast<void**>(&m_pScope));
RETURN_IF_FAILED(hr);
//The snap-in should also call IConsole2::QueryScopeImageList
// to get the image list for the scope pane and add images
// to be displayed on the scope pane side.
CComPtr<IImageList> pScopeImageList;
hr = m_pConsole->QueryScopeImageList(&pScopeImageList);
RETURN_IF_FAILED(hr);
HBITMAP pBMapSm = NULL;
HBITMAP pBMapLg = NULL;
if (!(pBMapSm = LoadBitmap(_Module.GetModuleInstance(),
MAKEINTRESOURCE(IDB_SCOPE_IMAGES_16x16))) ||
!(pBMapLg = LoadBitmap(_Module.GetModuleInstance(),
MAKEINTRESOURCE(IDB_SCOPE_IMAGES_32x32))))
{
hr = HRESULT_FROM_WIN32(GetLastError());
} else
{
hr = pScopeImageList->ImageListSetStrip(
(LONG_PTR *)pBMapSm,
(LONG_PTR *)pBMapLg,
0,
RGB(255, 0, 255)
);
}
if (pBMapSm)
DeleteObject(pBMapSm);
if (pBMapLg)
DeleteObject(pBMapLg);
RETURN_IF_FAILED(hr);
HandleCommandLineParameters(); // Internal method to check, if any command line parameters were passed
return hr;
}
STDMETHODIMP
CDfsSnapinScopeManager::CreateComponent(
OUT LPCOMPONENT* o_ppComponent
)
/*++
Routine Description:
Creates the IComponent object
Arguments:
o_ppComponent - Pointer to the object in which the pointer to IComponent object
is stored.
Return value:
S_OK, On success
E_INVALIDARG, On incorrect input parameters
HRESULT sent by methods called, if it is not S_OK.
--*/
{
RETURN_INVALIDARG_IF_NULL(o_ppComponent);
HRESULT hr = E_FAIL;
CComObject<CDfsSnapinResultManager>* pResultManager;
CComObject<CDfsSnapinResultManager>::CreateInstance(&pResultManager);
if (NULL == pResultManager)
{
return(E_FAIL);
}
pResultManager->m_pScopeManager = this;
hr = pResultManager->QueryInterface(IID_IComponent, (void**) o_ppComponent);
_ASSERT(NULL != *o_ppComponent);
RETURN_IF_FAILED(hr);
return S_OK;
}
STDMETHODIMP
CDfsSnapinScopeManager::Notify(
IN LPDATAOBJECT i_lpDataObject,
IN MMC_NOTIFY_TYPE i_Event,
IN LPARAM i_lArg,
IN LPARAM i_lParam
)
/*++
Routine Description:
Handles different events in form of notify
Arguments:
i_lpDataObject - The data object for the node for which the event occured
i_Event - The type of event for which notify has occurred
i_lArg - Argument for the event
i_lParam - Parameters for the event.
Return value:
S_OK, On success
HRESULT sent by methods called, if it is not S_OK.
--*/
{
HRESULT hr = S_FALSE;
switch(i_Event)
{
case MMCN_EXPAND: // Expand the node. Time to add the items to the console
{
hr = DoNotifyExpand(i_lpDataObject, (BOOL) i_lArg, (HSCOPEITEM) i_lParam);
break;
}
case MMCN_DELETE: // Delete the node. Time to remove item
{
hr = DoNotifyDelete(i_lpDataObject);
break;
}
case MMCN_ADD_IMAGES:
{
CMmcDisplay* pCMmcDisplayObj = NULL;
hr = GetDisplayObject(i_lpDataObject, &pCMmcDisplayObj);
if (SUCCEEDED(hr))
hr = pCMmcDisplayObj->OnAddImages((IImageList *)i_lArg, (HSCOPEITEM)i_lParam);
break;
}
case MMCN_PROPERTY_CHANGE: // Handle the property change
{
hr = DoNotifyPropertyChange(i_lpDataObject, i_lParam);
break;
}
default:
break;
}
return hr;
}
STDMETHODIMP
CDfsSnapinScopeManager::DoNotifyExpand(
IN LPDATAOBJECT i_lpDataObject,
IN BOOL i_bExpanding,
IN HSCOPEITEM i_hParent
)
/*++
Routine Description:
Take action on Notify with the event MMCN_EXPAND.
Arguments:
i_lpDataObject - The IDataObject pointer which is used to get the DisplayObject.
i_bExpanding - TRUE, if the node is expanding. FALSE otherwise
i_hParent - HSCOPEITEM of the node that received this event
Return value:
S_OK, if successful.
E_INVALIDARG, if one of the arguments is null.
HRESULT sent by methods called, if it is not S_OK.
--*/
{
RETURN_INVALIDARG_IF_NULL(i_lpDataObject);
CMmcDisplay* pCMmcDisplayObj = NULL;
HRESULT hr = GetDisplayObject(i_lpDataObject, &pCMmcDisplayObj);
RETURN_IF_FAILED(hr);
if (!i_bExpanding)
{
return(S_OK);
}
CWaitCursor WaitCursor; // An object to set\reset the cursor to wait cursor
// Add the items to the Scope pane
// Call the method even if the node is not expanding as we need to cache the scope
// and parent
hr = pCMmcDisplayObj->EnumerateScopePane(m_pScope, i_hParent);
return hr;
}
STDMETHODIMP
CDfsSnapinScopeManager::DoNotifyDelete(
IN LPDATAOBJECT i_lpDataObject
)
/*++
Routine Description:
Take action on Notify with the event MMCN_DELETE.
Arguments:
i_lpDataObject - The IDataObject pointer which is used to get the DisplayObject.
Return value:
S_OK, if successful.
E_INVALIDARG, if one of the arguments is null.
HRESULT sent by methods called, if it is not S_OK.
--*/
{
RETURN_INVALIDARG_IF_NULL(i_lpDataObject);
HRESULT hr = E_FAIL;
CMmcDisplay* pCMmcDisplayObj = NULL;
hr = GetDisplayObject(i_lpDataObject, &pCMmcDisplayObj);
RETURN_IF_FAILED(hr);
hr = pCMmcDisplayObj->DoDelete(); // Delete the the item.
RETURN_IF_FAILED(hr);
return S_OK;
}
STDMETHODIMP
CDfsSnapinScopeManager::Destroy(
)
/*++
Routine Description:
The IComponentData object is about to be destroyed. Explicitely release all interface pointers,
otherwise, MMC may not call the destructor.
Arguments:
None.
Return value:
S_OK.
--*/
{
m_pScope.Release();
m_pConsole.Release();
return S_OK;
}
STDMETHODIMP
CDfsSnapinScopeManager::QueryDataObject(
IN MMC_COOKIE i_lCookie,
IN DATA_OBJECT_TYPES i_DataObjectType,
OUT LPDATAOBJECT* o_ppDataObject
)
/*++
Routine Description:
Returns the IDataObject for the specified node.
Arguments:
i_lCookie - This parameter identifies the node for which IDataObject is
being queried.
i_DataObjectType - The context in which the IDataObject is being queried.
Eg., Result or Scope or Snapin(Node) Manager.
o_ppDataObject - The data object will be returned in this pointer.
Return value:
S_OK, On success
E_INVALIDARG, On incorrect input parameters
HRESULT sent by methods called, if it is not S_OK.
--*/
{
RETURN_INVALIDARG_IF_NULL(o_ppDataObject);
HRESULT hr = S_FALSE;
CMmcDisplay* pMmcDisplay = NULL;
*o_ppDataObject = NULL;
// We get back the cookie we stored in lparam of the scopeitem.
// The cookie is the MmcDisplay pointer.
// For the static(root) node, Use m_pMmcDfsAdmin as no lparam is stored.
if (0 == i_lCookie)
{
pMmcDisplay = reinterpret_cast<CMmcDisplay *>(m_pMmcDfsAdmin);
}
else
{
pMmcDisplay = reinterpret_cast<CMmcDisplay *>(i_lCookie);
}
hr = pMmcDisplay->put_CoClassCLSID(CLSID_DfsSnapinScopeManager);
if (S_OK != hr)
{
return(hr);
}
hr = pMmcDisplay->QueryInterface(IID_IDataObject, (void **)o_ppDataObject);
return hr;
}
STDMETHODIMP
CDfsSnapinScopeManager::GetDisplayInfo(
IN OUT SCOPEDATAITEM* io_pScopeDataItem
)
/*++
Routine Description:
Returns the display information being asked for by MMC.
Arguments:
io_pScopeDataItem - Contains details about what information is being asked for.
The information being asked in returned in this object itself.
Return value:
S_OK, On success
E_INVALIDARG, On incorrect input parameters
HRESULT sent by methods called, if it is not S_OK.
--*/
{
RETURN_INVALIDARG_IF_NULL(io_pScopeDataItem);
// This (cookie) is null for static node.
// Static node display name is returned through IDataObject Clipboard.
if (NULL == io_pScopeDataItem->lParam)
{
return(S_OK);
}
// Get display object. We had stored this while creating the object
CMmcDisplay* pCMmcDisplayObj = reinterpret_cast<CMmcDisplay*>(io_pScopeDataItem->lParam);
// Calling the virtual method in the base class
HRESULT hr = pCMmcDisplayObj->GetScopeDisplayInfo(io_pScopeDataItem);
RETURN_IF_FAILED(hr);
return S_OK;
}
STDMETHODIMP
CDfsSnapinScopeManager::CompareObjects(
IN LPDATAOBJECT lpDataObjectA,
IN LPDATAOBJECT lpDataObjectB
)
{
if (NULL == lpDataObjectA || NULL == lpDataObjectB)
{
return(S_FALSE);
}
HRESULT hr = S_FALSE;
CMmcDisplay* pMmcDisplayA = NULL;
CMmcDisplay* pMmcDisplayB = NULL;
FORMATETC fmte = {
CMmcDisplay::mMMC_CF_Dfs_Snapin_Internal,
NULL,
DVASPECT_CONTENT,
-1,
TYMED_HGLOBAL
};
STGMEDIUM medium = {
TYMED_HGLOBAL,
NULL,
NULL
};
// Get the this pointer of the display object using private clipboard format.
medium.hGlobal = ::GlobalAlloc(GMEM_SHARE | GMEM_MOVEABLE | GMEM_NODISCARD,
(sizeof(ULONG_PTR)));
if (medium.hGlobal == NULL)
{
return STG_E_MEDIUMFULL;
}
hr = lpDataObjectA->GetDataHere(&fmte, &medium);
RETURN_IF_FAILED(hr);
ULONG_PTR* pulVal = (ULONG_PTR*) (GlobalLock(medium.hGlobal));
pMmcDisplayA = reinterpret_cast<CMmcDisplay *>(*pulVal);
GlobalUnlock(medium.hGlobal);
hr = lpDataObjectB->GetDataHere(&fmte, &medium);
RETURN_IF_FAILED(hr);
pulVal = (ULONG_PTR*) (GlobalLock(medium.hGlobal));
pMmcDisplayB = reinterpret_cast<CMmcDisplay *>(*pulVal);
GlobalUnlock(medium.hGlobal);
GlobalFree(medium.hGlobal);
if (pMmcDisplayA == pMmcDisplayB)
{
return(S_OK);
}
else
{
return (S_FALSE);
}
}
STDMETHODIMP
CDfsSnapinScopeManager::GetDisplayObject(
IN LPDATAOBJECT i_lpDataObject,
OUT CMmcDisplay** o_ppMmcDisplay
)
/*++
Routine Description:
Get the Display Object from the IDataObject. This is a derived object that is used for a
lot of purposes
Arguments:
i_lpDataObject - The IDataObject pointer which is used to get the DisplayObject.
o_ppMmcDisplay - The MmcDisplayObject written by us. Used as a callback for Mmc
related display operations.
--*/
{
RETURN_INVALIDARG_IF_NULL(i_lpDataObject);
RETURN_INVALIDARG_IF_NULL(o_ppMmcDisplay);
HRESULT hr = E_FAIL;
*o_ppMmcDisplay = NULL;
FORMATETC fmte = {
CMmcDisplay::mMMC_CF_Dfs_Snapin_Internal,
NULL,
DVASPECT_CONTENT,
-1,
TYMED_HGLOBAL
};
STGMEDIUM medium = {
TYMED_HGLOBAL,
NULL,
NULL
};
// Get the this pointer of the display object using private clipboard format.
medium.hGlobal = ::GlobalAlloc(GMEM_SHARE | GMEM_MOVEABLE | GMEM_NODISCARD,
(sizeof(ULONG_PTR)));
if (medium.hGlobal == NULL)
{
return STG_E_MEDIUMFULL;
}
hr = i_lpDataObject->GetDataHere(&fmte, &medium);
RETURN_IF_FAILED(hr);
ULONG_PTR* pulVal = (ULONG_PTR*) (GlobalLock(medium.hGlobal));
*o_ppMmcDisplay = reinterpret_cast<CMmcDisplay *>(*pulVal);
GlobalUnlock(medium.hGlobal);
GlobalFree(medium.hGlobal);
return hr;
}
STDMETHODIMP
CDfsSnapinScopeManager::HandleCommandLineParameters(
)
/*++
Routine Description:
check if any command line parameters are passed to us and if so take appropriate
action.
Currently suuported parameters:
\DfsRoot:DfsRootName ,
where DfsRootName can be ComputerName\DfsRootName or DomainName\DfsRootName
Arguments:
None
Return value:
S_OK, if successful.
Any error returned by called methods
--*/
{
HRESULT hr = E_FAIL;
LPTSTR szCommandLine = ::GetCommandLine();
CComBSTR bstrCommandLine = szCommandLine;
LPCTSTR szSeparators = _T(" ,\t");
LPTSTR szCurrentParameter = NULL;
CComBSTR bstrParameterPrefix;
hr = LoadStringFromResource(IDS_COMMANDLINE_PARAMETER_PREFIX, &bstrParameterPrefix);
RETURN_IF_FAILED(hr);
szCurrentParameter = _tcstok(bstrCommandLine, szSeparators);
while(szCurrentParameter)
{
ATLTRACE(_T("\nCommand line parameter = %s\n"), szCurrentParameter);
// Check if this token contains the required prefix
if (0 == mylstrncmpi(szCurrentParameter, bstrParameterPrefix, bstrParameterPrefix.Length()) )
{
LPTSTR szParamValue = _tcschr(szCurrentParameter, bstrParameterPrefix.m_str[bstrParameterPrefix.Length() - 1]);
if (NULL != szParamValue)
{
szParamValue++; // Skip the ':'
if (NULL != szParamValue) // Check again just to be sure
{
hr = m_pMmcDfsAdmin->AddDfsRoot(szParamValue); // Add the dfsroot to the console
// Ignoring the return value right now as we want to handle the remaining parameters
}
} // if (NULL != szParamValue)
}
// Get the next token
szCurrentParameter = _tcstok(NULL, szSeparators);
}
return S_OK;
}