extensions/source/ole/unotypewrapper.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "unotypewrapper.hxx"
  21 #include <rtl/ustring.hxx>
  22 #include <osl/diagnose.h>
  23 #include <o3tl/char16_t2wchar_t.hxx>
  24
  25 bool createUnoTypeWrapper(BSTR sTypeName, VARIANT * pVar)
  26 {
  27     bool ret = false;
  28     OSL_ASSERT(sTypeName && pVar);
  29     CComObject< UnoTypeWrapper>* pObj;
  30     VariantClear(pVar);
  31     if( SUCCEEDED( CComObject<UnoTypeWrapper>::CreateInstance( &pObj)))
  32     {
  33         pObj->AddRef();
  34         pVar->vt= VT_DISPATCH;
  35         pVar->pdispVal= CComQIPtr<IDispatch>(pObj->GetUnknown());
  36         //now set the value, e.i. the name of the type
  37         CComQIPtr<IUnoTypeWrapper> spType(pVar->pdispVal);
  38         OSL_ASSERT(spType);
  39         if (SUCCEEDED(spType->put_Name(sTypeName)))
  40         {
  41             ret = true;
  42         }
  43     }
  44     return ret;
  45 }
  46
  47
  48 bool createUnoTypeWrapper(const OUString& sTypeName, VARIANT * pVar)
  49 {
  50     CComBSTR bstr(o3tl::toW(sTypeName.getStr()));
  51     return createUnoTypeWrapper(bstr, pVar);
  52 }
  53
  54 UnoTypeWrapper::UnoTypeWrapper()
  55 {
  56 }
  57
  58 UnoTypeWrapper::~UnoTypeWrapper()
  59 {
  60 }
  61
  62
  63 // UnoTypeWrapper, IDispatch --------------------------------------------
  64 COM_DECLSPEC_NOTHROW STDMETHODIMP UnoTypeWrapper::GetTypeInfoCount(UINT* /*pctinfo*/)
  65 {
  66     return E_NOTIMPL;
  67 }
  68
  69 // UnoTypeWrapper, IDispatch --------------------------------------------
  70 COM_DECLSPEC_NOTHROW STDMETHODIMP UnoTypeWrapper::GetTypeInfo( UINT /*iTInfo*/,
  71                                           LCID /*lcid*/,
  72                                           ITypeInfo** /*ppTInfo*/)
  73 {
  74     return E_NOTIMPL;
  75 }
  76
  77 // UnoTypeWrapper, IDispatch --------------------------------------------
  78 COM_DECLSPEC_NOTHROW STDMETHODIMP UnoTypeWrapper::GetIDsOfNames( REFIID /*riid*/,
  79                                             LPOLESTR *rgszNames,
  80                                             UINT /*cNames*/,
  81                                             LCID /*lcid*/,
  82                                             DISPID *rgDispId)
  83 {
  84     if( !rgDispId)
  85         return E_POINTER;
  86
  87     HRESULT ret= S_OK;
  88     CComBSTR name(*rgszNames);
  89     name.ToLower();
  90
  91     if( name == CComBSTR( L"name") )
  92         *rgDispId= DISPID_VALUE;
  93     else
  94         ret= DISP_E_UNKNOWNNAME;
  95
  96     return ret;
  97 }
  98
  99 // UnoTypeWrapper, IDispatch --------------------------------------------
 100 COM_DECLSPEC_NOTHROW STDMETHODIMP UnoTypeWrapper::Invoke( DISPID dispIdMember,
 101                          REFIID /*riid*/,
 102                          LCID /*lcid*/,
 103                          WORD wFlags,
 104                          DISPPARAMS *pDispParams,
 105                          VARIANT *pVarResult,
 106                          EXCEPINFO* /*pExcepInfo*/,
 107                          UINT* /*puArgErr*/)
 108 {
 109     if (pDispParams == nullptr)
 110         return DISP_E_EXCEPTION;
 111
 112     if( pDispParams->cNamedArgs)
 113         return DISP_E_NONAMEDARGS;
 114
 115
 116     HRESULT ret= S_OK;
 117     switch( dispIdMember)
 118     {
 119     case DISPID_VALUE: // DISPID_VALUE
 120         if (wFlags & DISPATCH_PROPERTYGET)
 121         {
 122             if (pVarResult == nullptr)
 123             {
 124                 ret = E_POINTER;
 125                 break;
 126             }
 127             get_Name( & pVarResult->bstrVal);
 128             pVarResult->vt = VT_BSTR;
 129         }
 130         break;
 131     default:
 132         ret= DISP_E_MEMBERNOTFOUND;
 133         break;
 134      }
 135
 136     return ret;
 137 }
 138
 139 // IUnoTypeWrapper-----------------------
 140 COM_DECLSPEC_NOTHROW STDMETHODIMP UnoTypeWrapper::put_Name(BSTR  val)
 141 {
 142      Lock();
 143      m_sName = val;
 144      Unlock();
 145      return S_OK;
 146 }
 147
 148 // (UnoTypeWrapper-----------------------
 149 COM_DECLSPEC_NOTHROW STDMETHODIMP UnoTypeWrapper::get_Name(BSTR  *pVal)
 150 {
 151      Lock();
 152      if( !pVal)
 153          return E_POINTER;
 154      *pVal = m_sName.Copy();
 155      Unlock();
 156      return S_OK;
 157 }
 158
 159
 160 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */