void COleClientItem::Activate(LONG nVerb, CView* pView, LPMSG lpMsg)
{
ASSERT_VALID(this);
ASSERT(m_lpObject != NULL);
if (pView != NULL)
ASSERT_VALID(pView);
if (lpMsg != NULL)
ASSERT(AfxIsValidAddress(lpMsg, sizeof(MSG), FALSE));
// store the container HWND for in place activation then do the verb
if (m_pView == NULL)
m_pView = pView;
_AFX_OLE_STATE* pOleState = _afxOleState;
CView* pViewSave = pOleState->m_pActivateView;
pOleState->m_pActivateView = NULL;
// get item rectangle for in-place players
// (that may not support in-place activation)
LPCRECT lpPosRect = NULL;
CRect rectPos;
if (pView != NULL)
{
ASSERT_VALID(pView);
rectPos.SetRectEmpty();
OnGetItemPosition(rectPos);
if (!rectPos.IsRectEmpty())
{
lpPosRect = &rectPos;
pOleState->m_pActivateView = pView;
}
}
// prepare DoVerb parameters and call into the server
LPOLECLIENTSITE lpClientSite = GetClientSite();
HWND hWnd = pView->GetSafeHwnd();
SCODE sc = m_lpObject->DoVerb(nVerb, lpMsg, lpClientSite, -1,
hWnd, lpPosRect);
pOleState->m_pActivateView = pViewSave;
// clear out m_pView in case in-place activation only partially worked
if (!IsInPlaceActive())
m_pView = NULL;
// update available status based on the results of DoVerb
// (this is used in the links dialog).
m_bLinkUnavail = (BYTE)FAILED(sc);
CheckGeneral(sc);
}
BOOL COleClientItem::SetItemRects(LPCRECT lpPosRect, LPCRECT lpClipRect)
{
ASSERT_VALID(this);
ASSERT(m_lpObject != NULL);
ASSERT(IsInPlaceActive());
ASSERT(lpPosRect == NULL ||
AfxIsValidAddress(lpPosRect, sizeof(RECT), FALSE));
ASSERT(lpClipRect == NULL ||
AfxIsValidAddress(lpClipRect, sizeof(RECT), FALSE));
// get IOleInPlaceObject interface
LPOLEINPLACEOBJECT lpInPlaceObject =
QUERYINTERFACE(m_lpObject, IOleInPlaceObject);
if (lpInPlaceObject == NULL)
return FALSE; // perhaps server crashed?
// use OnGetPosRect if rectangle not specified
CRect rectPos;
if (lpPosRect == NULL)
{
ASSERT(lpClipRect == NULL);
OnGetItemPosition(rectPos);
lpPosRect = &rectPos;
}
// use OnGetClipRect if clipping rectangle not specified
CRect rectClip;
if (lpClipRect == NULL)
{
OnGetClipRect(rectClip);
lpClipRect = &rectClip;
}
ASSERT(lpPosRect != NULL);
ASSERT(lpClipRect != NULL);
// notify the server of the new item rectangles
m_scLast = lpInPlaceObject->SetObjectRects(lpPosRect, lpClipRect);
lpInPlaceObject->Release();
// remember position rectangle as cached position
return !FAILED(m_scLast);
}
