Source code of Windows XP (NT5)
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//
// Microsoft Corporation 1998
//
// COMPDATA.CPP - CComponentData and CComponentDataCF routines
//
#include "main.h"
///////////////////////////////////////////////////////////////////////////////
// CComponentData object implementation
CComponentData::CComponentData()
{
m_cRef = 1;
InterlockedIncrement(&g_cRefThisDll);
m_hwndFrame = NULL;
m_pScope = NULL;
m_pConsole = NULL;
m_hRoot = NULL;
m_pGPTInformation = NULL;
}
CComponentData::~CComponentData()
{
if (m_pScope)
{
m_pScope->Release();
}
if (m_pConsole)
{
m_pConsole->Release();
}
if (m_pGPTInformation)
{
m_pGPTInformation->Release();
}
InterlockedDecrement(&g_cRefThisDll);
}
///////////////////////////////////////////////////////////////////////////////
// CComponentData object implementation (IUnknown)
HRESULT CComponentData::QueryInterface (REFIID riid, void **ppv)
{
if (IsEqualIID(riid, IID_IComponentData) || IsEqualIID(riid, IID_IUnknown))
{
*ppv = (LPCOMPONENT)this;
m_cRef++;
return S_OK;
}
else if (IsEqualIID(riid, IID_ISnapinHelp ))
{
*ppv = (ISnapinHelp *) this;
m_cRef++;
return S_OK;
}
else if (IsEqualIID(riid, IID_IPersistStreamInit))
{
*ppv = (LPPERSISTSTREAMINIT)this;
m_cRef++;
return S_OK;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
}
ULONG CComponentData::AddRef (void)
{
return ++m_cRef;
}
ULONG CComponentData::Release (void)
{
if (--m_cRef == 0) {
delete this;
return 0;
}
return m_cRef;
}
///////////////////////////////////////////////////////////////////////////////
// CComponentData object implementation (IComponentData)
STDMETHODIMP CComponentData::Initialize(LPUNKNOWN pUnknown)
{
HRESULT hr;
HBITMAP bmp16x16;
LPIMAGELIST lpScopeImage;
//
// QI for IConsoleNameSpace
//
hr = pUnknown->QueryInterface(IID_IConsoleNameSpace, (LPVOID *)&m_pScope);
if (FAILED(hr))
{
DebugMsg((DM_WARNING, TEXT("CComponentData::Initialize: Failed to QI for IConsoleNameSpace.")));
return hr;
}
//
// QI for IConsole
//
hr = pUnknown->QueryInterface(IID_IConsole, (LPVOID *)&m_pConsole);
if (FAILED(hr))
{
DebugMsg((DM_WARNING, TEXT("CComponentData::Initialize: Failed to QI for IConsole.")));
m_pScope->Release();
m_pScope = NULL;
return hr;
}
m_pConsole->GetMainWindow (&m_hwndFrame);
//
// Query for the scope imagelist interface
//
hr = m_pConsole->QueryScopeImageList(&lpScopeImage);
if (FAILED(hr))
{
DebugMsg((DM_WARNING, TEXT("CComponentData::Initialize: Failed to QI for scope imagelist.")));
m_pScope->Release();
m_pScope = NULL;
m_pConsole->Release();
m_pConsole=NULL;
return hr;
}
// Load the bitmaps from the dll
bmp16x16=LoadBitmap(g_hInstance, MAKEINTRESOURCE(IDB_16x16));
// Set the images
lpScopeImage->ImageListSetStrip(reinterpret_cast<PLONG_PTR>(bmp16x16),
reinterpret_cast<PLONG_PTR>(bmp16x16),
0, RGB(255, 0, 255));
lpScopeImage->Release();
DeleteObject( bmp16x16 );
return S_OK;
}
STDMETHODIMP CComponentData::Destroy(VOID)
{
return S_OK;
}
STDMETHODIMP CComponentData::CreateComponent(LPCOMPONENT *ppComponent)
{
HRESULT hr;
CSnapIn *pSnapIn;
DebugMsg((DM_VERBOSE, TEXT("CComponentData::CreateComponent: Entering.")));
//
// Initialize
//
*ppComponent = NULL;
//
// Create the snapin view
//
pSnapIn = new CSnapIn(this);
if (!pSnapIn)
{
DebugMsg((DM_WARNING, TEXT("CComponentData::CreateComponent: Failed to create CSnapIn.")));
return E_OUTOFMEMORY;
}
//
// QI for IComponent
//
hr = pSnapIn->QueryInterface(IID_IComponent, (LPVOID *)ppComponent);
pSnapIn->Release(); // release QI
return hr;
}
STDMETHODIMP CComponentData::QueryDataObject(MMC_COOKIE cookie, DATA_OBJECT_TYPES type,
LPDATAOBJECT* ppDataObject)
{
HRESULT hr = E_NOINTERFACE;
CDataObject *pDataObject;
LPGPTDATAOBJECT pGPTDataObject;
//
// Create a new DataObject
//
pDataObject = new CDataObject(this); // ref == 1
if (!pDataObject)
return E_OUTOFMEMORY;
//
// QI for the private GPTDataObject interface so we can set the cookie
// and type information.
//
hr = pDataObject->QueryInterface(IID_IGPTDataObject, (LPVOID *)&pGPTDataObject);
if (FAILED(hr))
{
pDataObject->Release();
return (hr);
}
pGPTDataObject->SetType(type);
pGPTDataObject->SetCookie(cookie);
pGPTDataObject->Release();
//
// QI for a normal IDataObject to return.
//
hr = pDataObject->QueryInterface(IID_IDataObject, (LPVOID *)ppDataObject);
pDataObject->Release(); // release initial ref
return hr;
}
STDMETHODIMP CComponentData::Notify(LPDATAOBJECT lpDataObject, MMC_NOTIFY_TYPE event, LPARAM arg, LPARAM param)
{
HRESULT hr = S_OK;
switch(event)
{
case MMCN_EXPAND:
if (arg == TRUE)
if (!m_pGPTInformation)
{
lpDataObject->QueryInterface(IID_IGPEInformation, (LPVOID *)&m_pGPTInformation);
}
if (m_pGPTInformation)
{
hr = EnumerateScopePane(lpDataObject, (HSCOPEITEM)param);
}
break;
default:
break;
}
return hr;
}
STDMETHODIMP CComponentData::GetDisplayInfo(LPSCOPEDATAITEM pItem)
{
DWORD dwIndex;
if (pItem == NULL)
return E_POINTER;
for (dwIndex = 0; dwIndex < NUM_NAMESPACE_ITEMS; dwIndex++)
{
if (g_NameSpace[dwIndex].dwID == (DWORD) pItem->lParam)
break;
}
if (dwIndex == NUM_NAMESPACE_ITEMS)
pItem->displayname = NULL;
else
{
pItem->displayname = g_NameSpace[dwIndex].szDisplayName;
}
return S_OK;
}
STDMETHODIMP CComponentData::CompareObjects(LPDATAOBJECT lpDataObjectA, LPDATAOBJECT lpDataObjectB)
{
HRESULT hr = S_FALSE;
LPGPTDATAOBJECT pGPTDataObjectA, pGPTDataObjectB;
MMC_COOKIE cookie1, cookie2;
if (lpDataObjectA == NULL || lpDataObjectB == NULL)
return E_POINTER;
//
// QI for the private GPTDataObject interface
//
if (FAILED(lpDataObjectA->QueryInterface(IID_IGPTDataObject,
(LPVOID *)&pGPTDataObjectA)))
{
return S_FALSE;
}
if (FAILED(lpDataObjectB->QueryInterface(IID_IGPTDataObject,
(LPVOID *)&pGPTDataObjectB)))
{
pGPTDataObjectA->Release();
return S_FALSE;
}
pGPTDataObjectA->GetCookie(&cookie1);
pGPTDataObjectB->GetCookie(&cookie2);
if (cookie1 == cookie2)
{
hr = S_OK;
}
pGPTDataObjectA->Release();
pGPTDataObjectB->Release();
return hr;
}
///////////////////////////////////////////////////////////////////////////////
// CComponentData object implementation (IPersistStreamInit)
STDMETHODIMP CComponentData::GetClassID(CLSID *pClassID)
{
if (!pClassID)
{
return E_POINTER;
}
*pClassID = CLSID_GPTRemoteInstall;
return S_OK;
}
STDMETHODIMP CComponentData::IsDirty(VOID)
{
return S_FALSE;
}
STDMETHODIMP CComponentData::Load(IStream *pStm)
{
return S_OK;
}
STDMETHODIMP CComponentData::Save(IStream *pStm, BOOL fClearDirty)
{
return S_OK;
}
STDMETHODIMP CComponentData::GetSizeMax(ULARGE_INTEGER *pcbSize)
{
DWORD dwSize = 0;
if (!pcbSize)
{
return E_POINTER;
}
ULISet32(*pcbSize, dwSize);
return S_OK;
}
STDMETHODIMP CComponentData::InitNew(void)
{
return S_OK;
}
///////////////////////////////////////////////////////////////////////////////
// CComponentData object implementation (Internal functions)
HRESULT CComponentData::EnumerateScopePane (LPDATAOBJECT lpDataObject, HSCOPEITEM hParent)
{
SCOPEDATAITEM item;
HRESULT hr;
DWORD dwIndex, i;
if (!m_hRoot)
m_hRoot = hParent;
if (m_hRoot == hParent)
dwIndex = 0;
else
{
item.mask = SDI_PARAM;
item.ID = hParent;
hr = m_pScope->GetItem (&item);
if (FAILED(hr))
return hr;
dwIndex = (DWORD) item.lParam;
}
for (i = 0; i < NUM_NAMESPACE_ITEMS; i++)
{
if (g_NameSpace[i].dwParent == dwIndex)
{
item.mask = SDI_STR | SDI_STATE | SDI_IMAGE | SDI_OPENIMAGE | SDI_PARAM | SDI_CHILDREN;
item.displayname = MMC_CALLBACK;
item.nImage = 0;
item.nOpenImage = 0;
item.nState = 0;
item.cChildren = g_NameSpace[i].cChildren;
item.lParam = g_NameSpace[i].dwID;
item.relativeID = hParent;
m_pScope->InsertItem (&item);
}
}
return S_OK;
}
///////////////////////////////////////////////////////////////////////////////
// Class factory object implementation
CComponentDataCF::CComponentDataCF()
{
m_cRef = 1;
InterlockedIncrement(&g_cRefThisDll);
}
CComponentDataCF::~CComponentDataCF()
{
InterlockedDecrement(&g_cRefThisDll);
}
///////////////////////////////////////////////////////////////////////////////
// Class factory object implementation (IUnknown)
STDMETHODIMP_(ULONG)
CComponentDataCF::AddRef()
{
return ++m_cRef;
}
STDMETHODIMP_(ULONG)
CComponentDataCF::Release()
{
if (--m_cRef == 0)
{
delete this;
return 0;
}
return m_cRef;
}
STDMETHODIMP
CComponentDataCF::QueryInterface(REFIID riid, LPVOID FAR* ppv)
{
if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IClassFactory))
{
*ppv = (LPCLASSFACTORY)this;
m_cRef++;
return S_OK;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
}
///////////////////////////////////////////////////////////////////////////////
// Class factory object implementation (IClassFactory)
STDMETHODIMP
CComponentDataCF::CreateInstance(LPUNKNOWN pUnkOuter,
REFIID riid,
LPVOID FAR* ppvObj)
{
*ppvObj = NULL;
if (pUnkOuter)
return CLASS_E_NOAGGREGATION;
CComponentData *pComponentData = new CComponentData(); // ref count == 1
if (!pComponentData)
return E_OUTOFMEMORY;
HRESULT hr = pComponentData->QueryInterface(riid, ppvObj);
pComponentData->Release(); // release initial ref
return hr;
}
STDMETHODIMP
CComponentDataCF::LockServer(BOOL fLock)
{
return E_NOTIMPL;
}
///////////////////////////////////////////////////////////////////////////////
// Class factory object creation (IClassFactory)
HRESULT CreateComponentDataClassFactory (REFCLSID rclsid, REFIID riid, LPVOID* ppv)
{
HRESULT hr;
if (IsEqualCLSID (rclsid, CLSID_GPTRemoteInstall)) {
CComponentDataCF *pComponentDataCF = new CComponentDataCF(); // ref == 1
if (!pComponentDataCF)
return E_OUTOFMEMORY;
hr = pComponentDataCF->QueryInterface(riid, ppv);
pComponentDataCF->Release(); // release initial ref
return hr;
}
return CLASS_E_CLASSNOTAVAILABLE;
}
///////////////////////////////////////////////////////////////////////////////
//
// CComponentData object implementation (ISnapinHelp)
//
STDMETHODIMP CComponentData::GetHelpTopic(LPOLESTR *lpCompiledHelpFile)
{
LPOLESTR lpHelpFile;
lpHelpFile = (LPOLESTR) CoTaskMemAlloc (MAX_PATH * sizeof(WCHAR));
if (!lpHelpFile)
{
return E_OUTOFMEMORY;
}
ExpandEnvironmentStringsW (L"%SystemRoot%\\Help\\ris.chm",
lpHelpFile, MAX_PATH);
*lpCompiledHelpFile = lpHelpFile;
return S_OK;
}