defaulthandler.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

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

  TRACE("(%p, %x, %p)\n", iface, dwAspect, pdwStatus);

  if (This->pOleDelegate)
    return IOleObject_GetMiscStatus(This->pOleDelegate, dwAspect, pdwStatus);

  hres = OleRegGetMiscStatus(&This->clsid, dwAspect, pdwStatus);

  if (FAILED(hres))
    *pdwStatus = 0;

  return S_OK;
}

/************************************************************************
 * DefaultHandler_SetColorScheme (IOleObject)
 *
 * This method is meaningless if the server is not running
 *
 * See Windows documentation for more details on IOleObject methods.
 */
static HRESULT WINAPI DefaultHandler_SetColorScheme(
	    IOleObject*           iface,
	    struct tagLOGPALETTE* pLogpal)
{
  DefaultHandler *This = impl_from_IOleObject(iface);

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

  if (This->pOleDelegate)
    return IOleObject_SetColorScheme(This->pOleDelegate, pLogpal);

  return OLE_E_NOTRUNNING;
}

/*********************************************************
 * Methods implementation for the IDataObject part of
 * the DefaultHandler class.
 */

/************************************************************************
 * DefaultHandler_IDataObject_QueryInterface (IUnknown)
 *
 * See Windows documentation for more details on IUnknown methods.
 */
static HRESULT WINAPI DefaultHandler_IDataObject_QueryInterface(
            IDataObject*     iface,
           REFIID           riid,
            void**           ppvObject)
{
  DefaultHandler *This = impl_from_IDataObject(iface);

  return IUnknown_QueryInterface(This->outerUnknown, riid, ppvObject);
}

/************************************************************************
 * DefaultHandler_IDataObject_AddRef (IUnknown)
 *
 * See Windows documentation for more details on IUnknown methods.
 */
static ULONG WINAPI DefaultHandler_IDataObject_AddRef(
            IDataObject*     iface)
{
  DefaultHandler *This = impl_from_IDataObject(iface);

  return IUnknown_AddRef(This->outerUnknown);
}

/************************************************************************
 * DefaultHandler_IDataObject_Release (IUnknown)
 *
 * See Windows documentation for more details on IUnknown methods.
 */
static ULONG WINAPI DefaultHandler_IDataObject_Release(
            IDataObject*     iface)
{
  DefaultHandler *This = impl_from_IDataObject(iface);

  return IUnknown_Release(This->outerUnknown);
}

/************************************************************************
 * DefaultHandler_GetData
 *
 * Get Data from a source dataobject using format pformatetcIn->cfFormat
 * See Windows documentation for more details on GetData.
 * Default handler's implementation of this method delegates to the cache.
 */
static HRESULT WINAPI DefaultHandler_GetData(
	    IDataObject*     iface,
	    LPFORMATETC      pformatetcIn,
	    STGMEDIUM*       pmedium)
{
  IDataObject* cacheDataObject = NULL;
  HRESULT      hres;

  DefaultHandler *This = impl_from_IDataObject(iface);

  TRACE("(%p, %p, %p)\n", iface, pformatetcIn, pmedium);

  hres = IUnknown_QueryInterface(This->dataCache,
				 &IID_IDataObject,
				 (void**)&cacheDataObject);

  if (FAILED(hres))
    return E_UNEXPECTED;

  hres = IDataObject_GetData(cacheDataObject,
			     pformatetcIn,
			     pmedium);

  IDataObject_Release(cacheDataObject);

  if (FAILED(hres) && This->pDataDelegate)
    hres = IDataObject_GetData(This->pDataDelegate, pformatetcIn, pmedium);

  return hres;
}

static HRESULT WINAPI DefaultHandler_GetDataHere(
	    IDataObject*     iface,
	    LPFORMATETC      pformatetc,
	    STGMEDIUM*       pmedium)
{
  FIXME(": Stub\n");
  return E_NOTIMPL;
}

/************************************************************************
 * DefaultHandler_QueryGetData (IDataObject)
 *
 * The default handler's implementation of this method delegates to
 * the cache.
 *
 * See Windows documentation for more details on IDataObject methods.
 */
static HRESULT WINAPI DefaultHandler_QueryGetData(
	    IDataObject*     iface,
	    LPFORMATETC      pformatetc)
{
  IDataObject* cacheDataObject = NULL;
  HRESULT      hres;

  DefaultHandler *This = impl_from_IDataObject(iface);

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

  hres = IUnknown_QueryInterface(This->dataCache,
				 &IID_IDataObject,
				 (void**)&cacheDataObject);

  if (FAILED(hres))
    return E_UNEXPECTED;

  hres = IDataObject_QueryGetData(cacheDataObject,
				  pformatetc);

  IDataObject_Release(cacheDataObject);

  if (FAILED(hres) && This->pDataDelegate)
    hres = IDataObject_QueryGetData(This->pDataDelegate, pformatetc);

  return hres;
}

/************************************************************************
 * DefaultHandler_GetCanonicalFormatEtc (IDataObject)
 *
 * This method is meaningless if the server is not running
 *
 * See Windows documentation for more details on IDataObject methods.
 */
static HRESULT WINAPI DefaultHandler_GetCanonicalFormatEtc(
	    IDataObject*     iface,
	    LPFORMATETC      pformatetcIn,
	    LPFORMATETC      pformatetcOut)
{
  DefaultHandler *This = impl_from_IDataObject(iface);

  TRACE("(%p, %p, %p)\n", iface, pformatetcIn, pformatetcOut);

  if (!This->pDataDelegate)
    return OLE_E_NOTRUNNING;

  return IDataObject_GetCanonicalFormatEtc(This->pDataDelegate, pformatetcIn, pformatetcOut);
}

/************************************************************************
 * DefaultHandler_SetData (IDataObject)
 *
 * The default handler's implementation of this method delegates to
 * the cache.
 *
 * See Windows documentation for more details on IDataObject methods.
 */
static HRESULT WINAPI DefaultHandler_SetData(
	    IDataObject*     iface,
	    LPFORMATETC      pformatetc,
	    STGMEDIUM*       pmedium,
	    BOOL             fRelease)
{
  DefaultHandler *This = impl_from_IDataObject(iface);
  IDataObject* cacheDataObject = NULL;
  HRESULT      hres;

  TRACE("(%p, %p, %p, %d)\n", iface, pformatetc, pmedium, fRelease);

  hres = IUnknown_QueryInterface(This->dataCache,
				 &IID_IDataObject,
				 (void**)&cacheDataObject);

  if (FAILED(hres))
    return E_UNEXPECTED;

  hres = IDataObject_SetData(cacheDataObject,
			     pformatetc,
			     pmedium,
			     fRelease);

  IDataObject_Release(cacheDataObject);

  return hres;
}

/************************************************************************
 * DefaultHandler_EnumFormatEtc (IDataObject)
 *
 * The default handler's implementation of This method simply delegates
 * to OleRegEnumFormatEtc.
 *
 * See Windows documentation for more details on IDataObject methods.
 */
static HRESULT WINAPI DefaultHandler_EnumFormatEtc(
	    IDataObject*     iface,
	    DWORD            dwDirection,
	    IEnumFORMATETC** ppenumFormatEtc)
{
  HRESULT hres;
  DefaultHandler *This = impl_from_IDataObject(iface);

  TRACE("(%p, %x, %p)\n", iface, dwDirection, ppenumFormatEtc);

  hres = OleRegEnumFormatEtc(&This->clsid, dwDirection, ppenumFormatEtc);

  return hres;
}

/************************************************************************
 * DefaultHandler_DAdvise (IDataObject)
 *
 * The default handler's implementation of this method simply
 * delegates to the DataAdviseHolder.
 *
 * See Windows documentation for more details on IDataObject methods.
 */
static HRESULT WINAPI DefaultHandler_DAdvise(
	    IDataObject*     iface,
	    FORMATETC*       pformatetc,
	    DWORD            advf,
	    IAdviseSink*     pAdvSink,
	    DWORD*           pdwConnection)
{
  HRESULT hres = S_OK;
  DefaultHandler *This = impl_from_IDataObject(iface);

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

  /* Make sure we have a data advise holder before we start. */
  if (!This->dataAdviseHolder)
  {
    hres = CreateDataAdviseHolder(&This->dataAdviseHolder);
    if (SUCCEEDED(hres) && This->pDataDelegate)
      DataAdviseHolder_OnConnect(This->dataAdviseHolder, This->pDataDelegate);
  }

  if (SUCCEEDED(hres))
    hres = IDataAdviseHolder_Advise(This->dataAdviseHolder,
				    iface,
				    pformatetc,
				    advf,
				    pAdvSink,
				    pdwConnection);

  return hres;
}

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

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

  /*
   * If we don't have a data advise holder yet, it means that
   * we don't have any connections..
   */
  if (!This->dataAdviseHolder)
    return OLE_E_NOCONNECTION;

  return IDataAdviseHolder_Unadvise(This->dataAdviseHolder,
				    dwConnection);
}

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

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

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

  *ppenumAdvise = NULL;

  /* If we have a data advise holder object, delegate. */
  if (This->dataAdviseHolder)
    return IDataAdviseHolder_EnumAdvise(This->dataAdviseHolder,
					ppenumAdvise);

  return S_OK;
}

/*********************************************************
 * Methods implementation for the IRunnableObject part
 * of the DefaultHandler class.
 */

/************************************************************************
 * DefaultHandler_IRunnableObject_QueryInterface (IUnknown)
 *
 * See Windows documentation for more details on IUnknown methods.
 */
static HRESULT WINAPI DefaultHandler_IRunnableObject_QueryInterface(
            IRunnableObject*     iface,
            REFIID               riid,
            void**               ppvObject)
{
  DefaultHandler *This = impl_from_IRunnableObject(iface);

  return IUnknown_QueryInterface(This->outerUnknown, riid, ppvObject);
}

/************************************************************************
 * DefaultHandler_IRunnableObject_QueryInterface (IUnknown)
 *
 * See Windows documentation for more details on IUnknown methods.
 */
static ULONG WINAPI DefaultHandler_IRunnableObject_AddRef(
            IRunnableObject*     iface)
{
  DefaultHandler *This = impl_from_IRunnableObject(iface);

  return IUnknown_AddRef(This->outerUnknown);
}

/************************************************************************
 * DefaultHandler_IRunnableObject_QueryInterface (IUnknown)
 *
 * See Windows documentation for more details on IUnknown methods.
 */
static ULONG WINAPI DefaultHandler_IRunnableObject_Release(
            IRunnableObject*     iface)
{
  DefaultHandler *This = impl_from_IRunnableObject(iface);

  return IUnknown_Release(This->outerUnknown);
}

/************************************************************************
 * DefaultHandler_GetRunningClass (IRunnableObject)
 *
 * See Windows documentation for more details on IRunnableObject methods.
 */
static HRESULT WINAPI DefaultHandler_GetRunningClass(
            IRunnableObject*     iface,
	    LPCLSID              lpClsid)
{
  FIXME("()\n");
  return S_OK;
}

static HRESULT WINAPI DefaultHandler_Run(
            IRunnableObject*     iface,
	    IBindCtx*            pbc)
{
  DefaultHandler *This = impl_from_IRunnableObject(iface);