windows-nt/Source/XPSP1/NT/admin/controls/smonctrl/ioleobj.cpp
2020-09-26 16:20:57 +08:00

687 lines
16 KiB
C++

/*++
Copyright (C) 1993-1999 Microsoft Corporation
Module Name:
ioleobj.cpp
Abstract:
Implementation of the IOleObject interface for Polyline. Some of
these just pass through to the default handler which does default
implementations.
--*/
#include "polyline.h"
#include "unkhlpr.h"
#include "utils.h"
#include "unihelpr.h"
void RegisterAsRunning(IUnknown *pUnk, IMoniker *pmk,
DWORD dwFlags, LPDWORD pdwReg);
/*
* CImpIOleObject interface implementation
*/
IMPLEMENT_CONTAINED_CONSTRUCTOR(CPolyline, CImpIOleObject)
IMPLEMENT_CONTAINED_DESTRUCTOR(CImpIOleObject)
IMPLEMENT_CONTAINED_QUERYINTERFACE(CImpIOleObject)
IMPLEMENT_CONTAINED_ADDREF(CImpIOleObject)
STDMETHODIMP_(ULONG) CImpIOleObject::Release(
void
)
{
--m_cRef;
#if 0
// Release cached site related interfaces
if (m_cRef == 0) {
ReleaseInterface(m_pObj->m_pIOleClientSite);
ReleaseInterface(m_pObj->m_pIOleControlSite);
ReleaseInterface(m_pObj->m_pIDispatchAmbients);
}
#endif
return m_pUnkOuter->Release();
}
/*
* CImpIOleObject::SetClientSite
* CImpIOleObject::GetClientSite
*
* Purpose:
* Manages the IOleClientSite pointer of our container.
*/
STDMETHODIMP CImpIOleObject::SetClientSite (LPOLECLIENTSITE pIOleClientSite)
{
ReleaseInterface(m_pObj->m_pIOleClientSite);
ReleaseInterface(m_pObj->m_pIOleControlSite);
ReleaseInterface(m_pObj->m_pIDispatchAmbients);
m_pObj->m_pIOleClientSite = pIOleClientSite;
if (NULL != m_pObj->m_pIOleClientSite) {
HRESULT hr;
LPMONIKER pmk;
LPOLECONTAINER pIOleCont;
m_pObj->m_pIOleClientSite->AddRef();
/*
* Within IRunnableObject::Run we're supposed to register
* ourselves as running...however, the moniker has to come
* from the container's IOleClientSite::GetMoniker. But
* Run is called before SetClientSite here, so we have to
* register now that we do have the client site as well
* as lock the container.
*/
hr = m_pObj->m_pIOleClientSite->GetMoniker
(OLEGETMONIKER_ONLYIFTHERE, OLEWHICHMK_OBJFULL, &pmk);
if (SUCCEEDED(hr)) {
RegisterAsRunning(m_pUnkOuter, pmk, 0, &m_pObj->m_dwRegROT);
pmk->Release();
}
hr = m_pObj->m_pIOleClientSite->GetContainer(&pIOleCont);
if (SUCCEEDED(hr)) {
m_pObj->m_fLockContainer=TRUE;
pIOleCont->LockContainer(TRUE);
pIOleCont->Release();
}
/*
* Go get the container's IDispatch for ambient
* properties if it has one, and initilize ourself
* with those properties.
*/
hr = m_pObj->m_pIOleClientSite->QueryInterface(IID_IDispatch
, (void **)&m_pObj->m_pIDispatchAmbients);
if (SUCCEEDED(hr))
m_pObj->AmbientsInitialize((ULONG)INITAMBIENT_ALL);
/*
* Get the control site
*/
hr = m_pObj->m_pIOleClientSite->QueryInterface(IID_IOleControlSite, (void **)&m_pObj->m_pIOleControlSite);
}
return NOERROR;
}
STDMETHODIMP CImpIOleObject::GetClientSite(LPOLECLIENTSITE *ppSite)
{
//Be sure to AddRef the new pointer you are giving away.
*ppSite=m_pObj->m_pIOleClientSite;
m_pObj->m_pIOleClientSite->AddRef();
return NOERROR;
}
/*
* CImpIOleObject::SetHostNames
*
* Purpose:
* Provides the object with names of the container application and
* the object in the container to use in object user interface.
*
* Parameters:
* pszApp LPCOLESTR of the container application.
* pszObj LPCOLESTR of some name that is useful in window
* titles.
*
* Return Value:
* HRESULT NOERROR
*/
STDMETHODIMP CImpIOleObject::SetHostNames(LPCOLESTR /* pszApp */
, LPCOLESTR /* pszObj */)
{
return NOERROR;
}
/*
* CImpIOleObject::Close
*
* Purpose:
* Forces the object to close down its user interface and unload.
*
* Parameters:
* dwSaveOption DWORD describing the circumstances under which
* the object is being saved and closed.
*
* Return Value:
* HRESULT NOERROR or a general error value.
*/
STDMETHODIMP CImpIOleObject::Close(DWORD dwSaveOption)
{
BOOL fSave=FALSE;
//If object is dirty and we're asked to save, save it and close.
if (OLECLOSE_SAVEIFDIRTY==dwSaveOption && m_pObj->m_fDirty)
fSave=TRUE;
/*
* If asked to prompt, only do so if dirty, then if we get a
* YES, save as usual and close. On NO, just close. On
* CANCEL return OLE_E_PROMPTSAVECANCELLED.
*/
if (OLECLOSE_PROMPTSAVE==dwSaveOption && m_pObj->m_fDirty) {
UINT uRet;
uRet = MessageBox(NULL, ResourceString(IDS_CLOSEPROMPT),
ResourceString(IDS_CLOSECAPTION), MB_YESNOCANCEL);
if (IDCANCEL==uRet)
return ResultFromScode(OLE_E_PROMPTSAVECANCELLED);
if (IDYES==uRet)
fSave=TRUE;
}
if (fSave) {
m_pObj->SendAdvise(OBJECTCODE_SAVEOBJECT);
m_pObj->SendAdvise(OBJECTCODE_SAVED);
}
//We get directly here on OLECLOSE_NOSAVE.
if ( m_pObj->m_fLockContainer && ( NULL != m_pObj->m_pIOleClientSite ) ) {
//Match LockContainer call from SetClientSite
LPOLECONTAINER pIOleCont;
if (SUCCEEDED(m_pObj->m_pIOleClientSite->GetContainer(&pIOleCont))) {
pIOleCont->LockContainer(FALSE);
pIOleCont->Release();
}
}
// Deactivate
m_pObj->InPlaceDeactivate();
// Revoke registration in ROT
if (m_pObj->m_dwRegROT != 0) {
IRunningObjectTable *pROT;
if (!FAILED(GetRunningObjectTable(0, &pROT))) {
pROT->Revoke(m_pObj->m_dwRegROT);
pROT->Release();
m_pObj->m_dwRegROT = 0;
}
}
return NOERROR;
}
/*
* CImpIOleObject::DoVerb
*
* Purpose:
* Executes an object-defined action.
*
* Parameters:
* iVerb LONG index of the verb to execute.
* pMSG LPMSG describing the event causing the
* activation.
* pActiveSite LPOLECLIENTSITE to the site involved.
* lIndex LONG the piece on which execution is happening.
* hWndParent HWND of the window in which the object can play
* in-place.
* pRectPos LPRECT of the object in hWndParent where the
* object can play in-place if desired.
*
* Return Value:
* HRESULT NOERROR or a general error value.
*/
STDMETHODIMP CImpIOleObject::DoVerb(LONG iVerb, LPMSG /* pMSG */
, LPOLECLIENTSITE pActiveSite, LONG /* lIndex */, HWND /* hWndParent */
, LPCRECT /* pRectPos */)
{
HRESULT hr;
CAUUID caGUID;
USES_CONVERSION
switch (iVerb)
{
case OLEIVERB_HIDE:
if (NULL != m_pObj->m_pIOleIPSite) {
m_pObj->UIDeactivate();
ShowWindow(m_pObj->m_pHW->Window(), SW_HIDE);
}
else {
ShowWindow(m_pObj->m_pHW->Window(), SW_HIDE);
m_pObj->SendAdvise(OBJECTCODE_HIDEWINDOW);
}
break;
case OLEIVERB_PRIMARY:
case OLEIVERB_SHOW:
if (NULL != m_pObj->m_pIOleIPSite) {
ShowWindow(m_pObj->m_pHW->Window(), SW_SHOW);
return NOERROR; //Already active
}
if (m_pObj->m_fAllowInPlace) {
return m_pObj->InPlaceActivate(pActiveSite ,TRUE);
}
return ResultFromScode(OLEOBJ_S_INVALIDVERB);
break;
case OLEIVERB_INPLACEACTIVATE:
if (NULL != m_pObj->m_pHW) {
HWND hWndHW=m_pObj->m_pHW->Window();
ShowWindow(hWndHW, SW_SHOW);
SetFocus(hWndHW);
return NOERROR;
}
/*
* Only inside-out supporting containers will use
* this verb.
*/
m_pObj->m_fContainerKnowsInsideOut=TRUE;
m_pObj->InPlaceActivate(pActiveSite, FALSE);
break;
case OLEIVERB_UIACTIVATE:
m_pObj->InPlaceActivate(pActiveSite, TRUE);
break;
case OLEIVERB_PROPERTIES:
case POLYLINEVERB_PROPERTIES:
/*
* Let the container try first if there are
* extended controls. Otherwise we'll display
* our own pages.
*/
if (NULL!=m_pObj->m_pIOleControlSite) {
hr=m_pObj->m_pIOleControlSite->ShowPropertyFrame();
if (NOERROR==hr)
break; //All done
}
//Put up our property pages.
hr=m_pObj->m_pImpISpecifyPP->GetPages(&caGUID);
if (FAILED(hr))
return FALSE;
hr=OleCreatePropertyFrame(m_pObj->m_pCtrl->Window(), 10, 10
, T2W(ResourceString(IDS_PROPFRM_TITLE)), 1, (IUnknown **)&m_pObj
, caGUID.cElems, caGUID.pElems
, LOCALE_USER_DEFAULT, 0L, NULL);
//Free the GUIDs
CoTaskMemFree((void *)caGUID.pElems);
break;
default:
return ResultFromScode(OLEOBJ_S_INVALIDVERB);
}
return NOERROR;
}
/*
* CImpIOleObject::GetUserClassID
*
* Purpose:
* Used for linked objects, this returns the class ID of what end
* users think they are editing.
*
* Parameters:
* pClsID LPCLSID in which to store the CLSID.
*
* Return Value:
* HRESULT NOERROR or a general error value.
*/
STDMETHODIMP CImpIOleObject::GetUserClassID(LPCLSID pClsID)
{
/*
* If you are not registered to handle data other than yourself,
* then you can just return your class ID here. If you are
* registered as usable from Treat-As dialogs, then you need to
* return the CLSID of what you are really editing.
*/
*pClsID=CLSID_SystemMonitor;
return NOERROR;
}
/*
* CImpIOleObject::SetExtent
*
* Purpose:
* Sets the size of the object in HIMETRIC units.
*
* Parameters:
* dwAspect DWORD of the aspect affected.
* pszl LPSIZEL containing the new size.
*
* Return Value:
* HRESULT NOERROR or a general error value.
*/
STDMETHODIMP CImpIOleObject::SetExtent(
DWORD dwAspect,
LPSIZEL pszl )
{
RECT rectExt;
if (dwAspect == DVASPECT_CONTENT) {
// convert from HIMETRIC to device coord
SetRect(&rectExt, 0, 0, pszl->cx, pszl->cy);
m_pObj->RectConvertMappings(&rectExt,TRUE);
// If changed and non-zero, store as new extent
if ( !EqualRect ( &m_pObj->m_RectExt, &rectExt )
&& !IsRectEmpty( &rectExt ) ) {
m_pObj->m_RectExt = rectExt;
m_pObj->m_pImpIPolyline->SizeSet(&rectExt, TRUE);
// Notify container of change to force metafile update
//m_pObj->SendAdvise(OBJECTCODE_DATACHANGED);
}
}
return NOERROR;
}
/*
* CImpIOleObject::GetExtent
*
* Purpose:
* Retrieves the size of the object in HIMETRIC units.
*
* Parameters:
* dwAspect DWORD of the aspect requested
* pszl LPSIZEL into which to store the size.
*
* Return Value:
* HRESULT NOERROR or a general error value.
*/
STDMETHODIMP CImpIOleObject::GetExtent(DWORD dwAspect, LPSIZEL pszl)
{
//Delegate directly to IViewObject2::GetExtent
return m_pObj->m_pImpIViewObject->GetExtent(dwAspect, -1
, NULL, pszl);
}
/*
* CImpIOleObject::Advise
* CImpIOleObject::Unadvise
* CImpIOleObject::EnumAdvise
*
* Purpose:
* Advisory connection functions.
*/
STDMETHODIMP CImpIOleObject::Advise(
LPADVISESINK pIAdviseSink,
LPDWORD pdwConn
)
{
if (NULL==m_pObj->m_pIOleAdviseHolder)
{
HRESULT hr;
hr=CreateOleAdviseHolder(&m_pObj->m_pIOleAdviseHolder);
if (FAILED(hr))
return hr;
}
return m_pObj->m_pIOleAdviseHolder->Advise(pIAdviseSink, pdwConn);
}
STDMETHODIMP CImpIOleObject::Unadvise(DWORD dwConn)
{
if (NULL!=m_pObj->m_pIOleAdviseHolder)
return m_pObj->m_pIOleAdviseHolder->Unadvise(dwConn);
return ResultFromScode(E_FAIL);
}
STDMETHODIMP CImpIOleObject::EnumAdvise(LPENUMSTATDATA *ppEnum)
{
if (NULL!=m_pObj->m_pIOleAdviseHolder)
return m_pObj->m_pIOleAdviseHolder->EnumAdvise(ppEnum);
return ResultFromScode(E_FAIL);
}
/*
* CImpIOleObject::SetMoniker
*
* Purpose:
* Informs the object of its moniker or its container's moniker
* depending on dwWhich.
*
* Parameters:
* dwWhich DWORD describing whether the moniker is the
* object's or the container's.
* pmk LPMONIKER with the name.
*
* Return Value:
* HRESULT NOERROR or a general error value.
*/
STDMETHODIMP CImpIOleObject::SetMoniker(DWORD /* dwWhich */
, LPMONIKER /* pmk */)
{
LPMONIKER pmkFull;
HRESULT hr = ResultFromScode(E_FAIL);
HRESULT hrTmp;
LPBC pbc;
if (NULL!=m_pObj->m_pIOleClientSite) {
hr = m_pObj->m_pIOleClientSite->GetMoniker
(OLEGETMONIKER_ONLYIFTHERE, OLEWHICHMK_OBJFULL
, &pmkFull);
if (SUCCEEDED(hr)) {
hrTmp = CreateBindCtx(0,&pbc);
if (SUCCEEDED(hrTmp)) {
hrTmp = pmkFull->IsRunning(pbc, NULL, NULL);
pbc->Release();
if (hrTmp == NOERROR) {
pmkFull->Release();
return NOERROR;
}
}
//This will revoke the old one if m_dwRegROT is nonzero.
RegisterAsRunning(m_pUnkOuter, pmkFull, 0, &m_pObj->m_dwRegROT);
//Inform clients of the new moniker
if (NULL!=m_pObj->m_pIOleAdviseHolder)
m_pObj->m_pIOleAdviseHolder->SendOnRename(pmkFull);
pmkFull->Release();
}
}
return hr;
}
/*
* CImpIOleObject::GetMoniker
*
* Purpose:
* Asks the object for a moniker that can later be used to
* reconnect to it.
*
* Parameters:
* dwAssign DWORD determining how to assign the moniker to
* to the object.
* dwWhich DWORD describing which moniker the caller wants.
* ppmk LPMONIKER * into which to store the moniker.
*
* Return Value:
* HRESULT NOERROR or a general error value.
*/
STDMETHODIMP CImpIOleObject::GetMoniker(DWORD /* dwAssign */
, DWORD /* dwWhich */, LPMONIKER *ppmk)
{
HRESULT hr=ResultFromScode(E_FAIL);
*ppmk=NULL;
/*
* Since we only support embedded objects, our moniker
* is always the full moniker from the contianer.
*/
if (NULL!=m_pObj->m_pIOleClientSite)
{
hr=m_pObj->m_pIOleClientSite->GetMoniker
(OLEGETMONIKER_ONLYIFTHERE, OLEWHICHMK_OBJFULL, ppmk);
}
return (NULL!=*ppmk) ? NOERROR : hr;
}
//Methods not implemented or trivial
STDMETHODIMP CImpIOleObject::InitFromData(
LPDATAOBJECT /* pIDataObject */
, BOOL /* fCreation */, DWORD /* dw */)
{
return ResultFromScode(E_NOTIMPL);
}
STDMETHODIMP CImpIOleObject::GetClipboardData(DWORD /* dwReserved */
, LPDATAOBJECT * /* ppIDataObj */)
{
return ResultFromScode(E_NOTIMPL);
}
STDMETHODIMP CImpIOleObject::Update(void)
{
return NOERROR;
}
STDMETHODIMP CImpIOleObject::IsUpToDate(void)
{
return NOERROR;
}
STDMETHODIMP CImpIOleObject::SetColorScheme(LPLOGPALETTE /* pLP */)
{
return ResultFromScode(E_NOTIMPL);
}
//Methods implemented using registry helper functions in OLE.
STDMETHODIMP CImpIOleObject::EnumVerbs(LPENUMOLEVERB *ppEnum)
{
return OleRegEnumVerbs(m_pObj->m_clsID, ppEnum);
}
STDMETHODIMP CImpIOleObject::GetUserType(
DWORD dwForm,
LPOLESTR *ppszType
)
{
return OleRegGetUserType(m_pObj->m_clsID, dwForm, ppszType);
}
STDMETHODIMP CImpIOleObject::GetMiscStatus(
DWORD dwAspect,
LPDWORD pdwStatus
)
{
return OleRegGetMiscStatus(m_pObj->m_clsID, dwAspect, pdwStatus);
}
void RegisterAsRunning(
IUnknown *pUnk,
IMoniker *pmk,
DWORD dwFlags,
LPDWORD pdwReg
)
{
IRunningObjectTable *pROT;
HRESULT hr;
DWORD dwReg = *pdwReg;
dwReg=*pdwReg;
if (FAILED(GetRunningObjectTable(0, &pROT)))
return;
hr = pROT->Register(dwFlags, pUnk, pmk, pdwReg);
if (MK_S_MONIKERALREADYREGISTERED == GetScode(hr))
{
if (0 != dwReg)
pROT->Revoke(dwReg);
}
pROT->Release();
return;
}