defaulthandler.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

     This->pDataDelegate = NULL;
  }
  if (This->pPSDelegate)
  {
     IPersistStorage_Release(This->pPSDelegate);
     This->pPSDelegate = NULL;
  }
  IOleObject_Release(This->pOleDelegate);
  This->pOleDelegate = NULL;
}

/************************************************************************
 * DefaultHandler_Close (IOleObject)
 *
 * The default handler's implementation of this method is meaningless
 * without a running server so it does nothing.
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_Close(
	    IOleObject*        iface,
	    DWORD              dwSaveOption)
{
  DefaultHandler *This = impl_from_IOleObject(iface);
  HRESULT hr;

  TRACE("(%d)\n", dwSaveOption);

  if (!This->pOleDelegate)
    return S_OK;

  hr = IOleObject_Close(This->pOleDelegate, dwSaveOption);

  DefaultHandler_Stop(This);

  return hr;
}

/************************************************************************
 * DefaultHandler_SetMoniker (IOleObject)
 *
 * The default handler's implementation of this method does nothing.
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_SetMoniker(
	    IOleObject*        iface,
	    DWORD              dwWhichMoniker,
	    IMoniker*          pmk)
{
  DefaultHandler *This = impl_from_IOleObject(iface);

  TRACE("(%p, %d, %p)\n",
	iface,
	dwWhichMoniker,
	pmk);

  if (This->pOleDelegate)
    return IOleObject_SetMoniker(This->pOleDelegate, dwWhichMoniker, pmk);

  return S_OK;
}

/************************************************************************
 * DefaultHandler_GetMoniker (IOleObject)
 *
 * Delegate this request to the client site if we have one.
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_GetMoniker(
	    IOleObject*        iface,
	    DWORD              dwAssign,
	    DWORD              dwWhichMoniker,
	    IMoniker**         ppmk)
{
  DefaultHandler *This = impl_from_IOleObject(iface);

  TRACE("(%p, %d, %d, %p)\n",
	iface, dwAssign, dwWhichMoniker, ppmk);

  if (This->pOleDelegate)
    return IOleObject_GetMoniker(This->pOleDelegate, dwAssign, dwWhichMoniker,
                                 ppmk);

  /* FIXME: dwWhichMoniker == OLEWHICHMK_CONTAINER only? */
  if (This->clientSite)
  {
    return IOleClientSite_GetMoniker(This->clientSite,
				     dwAssign,
				     dwWhichMoniker,
				     ppmk);

  }

  return E_FAIL;
}

/************************************************************************
 * DefaultHandler_InitFromData (IOleObject)
 *
 * This method is meaningless if the server is not running
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_InitFromData(
	    IOleObject*        iface,
	    IDataObject*       pDataObject,
	    BOOL               fCreation,
	    DWORD              dwReserved)
{
  DefaultHandler *This = impl_from_IOleObject(iface);

  TRACE("(%p, %p, %d, %d)\n",
	iface, pDataObject, fCreation, dwReserved);

  if (This->pOleDelegate)
    return IOleObject_InitFromData(This->pOleDelegate, pDataObject, fCreation,
		                   dwReserved);
  return OLE_E_NOTRUNNING;
}

/************************************************************************
 * DefaultHandler_GetClipboardData (IOleObject)
 *
 * This method is meaningless if the server is not running
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_GetClipboardData(
	    IOleObject*        iface,
	    DWORD              dwReserved,
	    IDataObject**      ppDataObject)
{
  DefaultHandler *This = impl_from_IOleObject(iface);

  TRACE("(%p, %d, %p)\n",
	iface, dwReserved, ppDataObject);

  if (This->pOleDelegate)
    return IOleObject_GetClipboardData(This->pOleDelegate, dwReserved,
                                       ppDataObject);

  return OLE_E_NOTRUNNING;
}

static HRESULT WINAPI DefaultHandler_DoVerb(
	    IOleObject*        iface,
	    LONG               iVerb,
	    struct tagMSG*     lpmsg,
	    IOleClientSite*    pActiveSite,
	    LONG               lindex,
	    HWND               hwndParent,
	    LPCRECT            lprcPosRect)
{
  DefaultHandler *This = impl_from_IOleObject(iface);
  IRunnableObject *pRunnableObj = (IRunnableObject *)&This->lpvtblIRunnableObject;
  HRESULT hr;

  TRACE("(%d, %p, %p, %d, %p, %s)\n", iVerb, lpmsg, pActiveSite, lindex, hwndParent, wine_dbgstr_rect(lprcPosRect));

  hr = IRunnableObject_Run(pRunnableObj, NULL);
  if (FAILED(hr)) return hr;

  return IOleObject_DoVerb(This->pOleDelegate, iVerb, lpmsg, pActiveSite,
                           lindex, hwndParent, lprcPosRect);
}

/************************************************************************
 * DefaultHandler_EnumVerbs (IOleObject)
 *
 * The default handler implementation of this method simply delegates
 * to OleRegEnumVerbs
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_EnumVerbs(
	    IOleObject*        iface,
	    IEnumOLEVERB**     ppEnumOleVerb)
{
  DefaultHandler *This = impl_from_IOleObject(iface);
  HRESULT hr = OLE_S_USEREG;

  TRACE("(%p, %p)\n", iface, ppEnumOleVerb);

  if (This->pOleDelegate)
    hr = IOleObject_EnumVerbs(This->pOleDelegate, ppEnumOleVerb);

  if (hr == OLE_S_USEREG)
    return OleRegEnumVerbs(&This->clsid, ppEnumOleVerb);
  else
    return hr;
}

static HRESULT WINAPI DefaultHandler_Update(
	    IOleObject*        iface)
{
  FIXME(": Stub\n");
  return E_NOTIMPL;
}

/************************************************************************
 * DefaultHandler_IsUpToDate (IOleObject)
 *
 * This method is meaningless if the server is not running
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_IsUpToDate(
	    IOleObject*        iface)
{
  TRACE("(%p)\n", iface);

  return OLE_E_NOTRUNNING;
}

/************************************************************************
 * DefaultHandler_GetUserClassID (IOleObject)
 *
 * TODO: Map to a new class ID if emulation is active.
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_GetUserClassID(
	    IOleObject*        iface,
	    CLSID*             pClsid)
{
  DefaultHandler *This = impl_from_IOleObject(iface);

  TRACE("(%p, %p)\n", iface, pClsid);

  if (This->pOleDelegate)
    return IOleObject_GetUserClassID(This->pOleDelegate, pClsid);

  /* Sanity check. */
  if (!pClsid)
    return E_POINTER;

  memcpy(pClsid, &This->clsid, sizeof(CLSID));

  return S_OK;
}

/************************************************************************
 * DefaultHandler_GetUserType (IOleObject)
 *
 * The default handler implementation of this method simply delegates
 * to OleRegGetUserType
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_GetUserType(
	    IOleObject*        iface,
	    DWORD              dwFormOfType,
	    LPOLESTR*          pszUserType)
{
  DefaultHandler *This = impl_from_IOleObject(iface);

  TRACE("(%p, %d, %p)\n", iface, dwFormOfType, pszUserType);

  return OleRegGetUserType(&This->clsid, dwFormOfType, pszUserType);
}

/************************************************************************
 * DefaultHandler_SetExtent (IOleObject)
 *
 * This method is meaningless if the server is not running
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_SetExtent(
	    IOleObject*        iface,
	    DWORD              dwDrawAspect,
	    SIZEL*             psizel)
{
  DefaultHandler *This = impl_from_IOleObject(iface);

  TRACE("(%p, %x, (%d x %d))\n", iface,
        dwDrawAspect, psizel->cx, psizel->cy);

  if (This->pOleDelegate)
    IOleObject_SetExtent(This->pOleDelegate, dwDrawAspect, psizel);

  return OLE_E_NOTRUNNING;
}

/************************************************************************
 * DefaultHandler_GetExtent (IOleObject)
 *
 * The default handler's implementation of this method returns uses
 * the cache to locate the aspect and extract the extent from it.
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_GetExtent(
	    IOleObject*        iface,
	    DWORD              dwDrawAspect,
	    SIZEL*             psizel)
{
  DVTARGETDEVICE* targetDevice;
  IViewObject2*   cacheView = NULL;
  HRESULT         hres;

  DefaultHandler *This = impl_from_IOleObject(iface);

  TRACE("(%p, %x, %p)\n", iface, dwDrawAspect, psizel);

  if (This->pOleDelegate)
    return IOleObject_GetExtent(This->pOleDelegate, dwDrawAspect, psizel);

  hres = IUnknown_QueryInterface(This->dataCache, &IID_IViewObject2, (void**)&cacheView);
  if (FAILED(hres))
    return E_UNEXPECTED;

  /*
   * Prepare the call to the cache's GetExtent method.
   *
   * Here we would build a valid DVTARGETDEVICE structure
   * but, since we are calling into the data cache, we
   * know it's implementation and we'll skip this
   * extra work until later.
   */
  targetDevice = NULL;

  hres = IViewObject2_GetExtent(cacheView,
				dwDrawAspect,
				-1,
				targetDevice,
				psizel);

  /*
   * Cleanup
   */
  IViewObject2_Release(cacheView);

  return hres;
}

/************************************************************************
 * DefaultHandler_Advise (IOleObject)
 *
 * The default handler's implementation of this method simply
 * delegates to the OleAdviseHolder.
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_Advise(
	    IOleObject*        iface,
	    IAdviseSink*       pAdvSink,
	    DWORD*             pdwConnection)
{
  HRESULT hres = S_OK;
  DefaultHandler *This = impl_from_IOleObject(iface);

  TRACE("(%p, %p, %p)\n", iface, pAdvSink, pdwConnection);

  /* Make sure we have an advise holder before we start. */
  if (!This->oleAdviseHolder)
    hres = CreateOleAdviseHolder(&This->oleAdviseHolder);

  if (SUCCEEDED(hres))
    hres = IOleAdviseHolder_Advise(This->oleAdviseHolder,
				   pAdvSink,
				   pdwConnection);

  return hres;
}

/************************************************************************
 * DefaultHandler_Unadvise (IOleObject)
 *
 * The default handler's implementation of this method simply
 * delegates to the OleAdviseHolder.
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_Unadvise(
	    IOleObject*        iface,
	    DWORD              dwConnection)
{
  DefaultHandler *This = impl_from_IOleObject(iface);

  TRACE("(%p, %d)\n", iface, dwConnection);

  /*
   * If we don't have an advise holder yet, it means we don't have
   * a connection.
   */
  if (!This->oleAdviseHolder)
    return OLE_E_NOCONNECTION;

  return IOleAdviseHolder_Unadvise(This->oleAdviseHolder,
				   dwConnection);
}

/************************************************************************
 * DefaultHandler_EnumAdvise (IOleObject)
 *
 * The default handler's implementation of this method simply
 * delegates to the OleAdviseHolder.
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_EnumAdvise(
	    IOleObject*        iface,
	    IEnumSTATDATA**    ppenumAdvise)
{
  DefaultHandler *This = impl_from_IOleObject(iface);

  TRACE("(%p, %p)\n", iface, ppenumAdvise);

  /* Sanity check */
  if (!ppenumAdvise)
    return E_POINTER;

  *ppenumAdvise = NULL;

  if (!This->oleAdviseHolder)
      return S_OK;

  return IOleAdviseHolder_EnumAdvise(This->oleAdviseHolder, ppenumAdvise);
}