【VC开源代码栏目提醒】:网学会员为广大网友收集整理了,XFLOORWNDCTL.CPP,希望对大家有所帮助!
/************************************
REVISION LOG ENTRY
Revision By: Mihai Filimon
Revised on 10/8/98 3:52:57 PM
Comments: XFloorWndCtl.cpp : Implementation of the CXFloorWndCtrl ActiveX Control class.
************************************/
#include "stdafx.h"
#include "XFloorWnd.h"
#include "XFloorWndCtl.h"
#include "XFloorWndPpg.h"
#include "FloorLabeObject.h"
#include "gdi.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
IMPLEMENT_DYNCREATE(CXFloorWndCtrl, COleControl)
#ifdef _OBEJCTISSAFETY
//Implementation IObjectSafety
BEGIN_INTERFACE_MAP(CXFloorWndCtrl, COleControl)
INTERFACE_PART(CXFloorWndCtrl, IID_IObjectSafety, ObjectSafety)
END_INTERFACE_MAP()
STDMETHODIMP CXFloorWndCtrl::XObjectSafety::GetInterfaceSafetyOptions(
REFIID riid,
DWORD __RPC_FAR *pdwSupportedOptions,
DWORD __RPC_FAR *pdwEnabledOptions)
{
METHOD_PROLOGUE_EX(CXFloorWndCtrl, ObjectSafety)
if (!pdwSupportedOptions || !pdwEnabledOptions)
{
return E_POINTER;
}
*pdwSupportedOptions = INTERFACESAFE_FOR_UNTRUSTED_CALLER | INTERFACESAFE_FOR_UNTRUSTED_DATA;
*pdwEnabledOptions = 0;
if (NULL == pThis->GetInterface(&riid))
{
TRACE("Requested interface is not supported.\n");
return E_NOINTERFACE;
}
// What interface is being checked out anyhow?
OLECHAR szGUID[39];
int i = StringFromGUID2(riid, szGUID, 39);
if (riid == IID_IDispatch)
{
// Client wants to know if object is safe for scripting
*pdwEnabledOptions = INTERFACESAFE_FOR_UNTRUSTED_CALLER;
return S_OK;
}
else if (riid == IID_IPersistPropertyBag
|| riid == IID_IPersistStreamInit
|| riid == IID_IPersistStorage
|| riid == IID_IPersistMemory)
{
// Those are the persistence interfaces COleControl derived controls support
// as indicated in AFXCTL.H
// Client wants to know if object is safe for initializing from persistent data
*pdwEnabledOptions = INTERFACESAFE_FOR_UNTRUSTED_DATA;
return S_OK;
}
else
{
// Find out what interface this is, and decide what options to enable
TRACE("We didn't account for the safety of this interface, and it's one we support...\n");
return E_NOINTERFACE;
}
}
STDMETHODIMP CXFloorWndCtrl::XObjectSafety::SetInterfaceSafetyOptions(
REFIID riid,
DWORD dwOptionSetMask,
DWORD dwEnabledOptions)
{
METHOD_PROLOGUE_EX(CXFloorWndCtrl, ObjectSafety)
OLECHAR szGUID[39];
// What is this interface anyway?
// We can do a quick lookup in the registry under HKEY_CLASSES_ROOT\Interface
int i = StringFromGUID2(riid, szGUID, 39);
if (0 == dwOptionSetMask && 0 == dwEnabledOptions)
{
// the control certainly supports NO requests through the specified interface
// so it's safe to return S_OK even if the interface isn't supported.
return S_OK;
}
// Do we support the specified interface?
if (NULL == pThis->GetInterface(&riid))
{
TRACE1("%s is not support.\n", szGUID);
return E_FAIL;
}
if (riid == IID_IDispatch)
{
TRACE("Client asking if it's safe to call through IDispatch.\n");
TRACE("In other words, is the control safe for scripting?\n");
if (INTERFACESAFE_FOR_UNTRUSTED_CALLER == dwOptionSetMask && INTERFACESAFE_FOR_UNTRUSTED_CALLER == dwEnabledOptions)
{
return S_OK;
}
else
{
return E_FAIL;
}
}
else if (riid == IID_IPersistPropertyBag
|| riid == IID_IPersistStreamInit
|| riid == IID_IPersistStorage
|| riid == IID_IPersistMemory)
{
TRACE("Client asking if it's safe to call through IPersist*.\n");
TRACE("In other
words, is the control safe for initializing from persistent data?\n");
if (INTERFACESAFE_FOR_UNTRUSTED_DATA == dwOptionSetMask && INTERFACESAFE_FOR_UNTRUSTED_DATA == dwEnabledOptions)
{
return NOERROR;
}
else
{
return E_FAIL;
}
}
else
{
TRACE1("We didn't account for the safety of %s, and it's one we support...\n", szGUID);
return E_FAIL;
}
}
STDMETHODIMP_(ULONG) CXFloorWndCtrl::XObjectSafety::AddRef()
{
METHOD_PROLOGUE_EX_(CXFloorWndCtrl, ObjectSafety)
return (ULONG)pThis->ExternalAddRef();
}
STDMETHODIMP_(ULONG) CXFloorWndCtrl::XObjectSafety::Release()
{
METHOD_PROLOGUE_EX_(CXFloorWndCtrl, ObjectSafety)
return (ULONG)pThis->ExternalRelease();
}
STDMETHODIMP CXFloorWndCtrl::XObjectSafety::QueryInterface(
REFIID iid, LPVOID* ppvObj)
{
METHOD_PROLOGUE_EX_(CXFl