dtrans/source/win32/dtobj/FetcList.hxx

   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
  21 #ifndef _FETCLIST_HXX_
  22 #define _FETCLIST_HXX_
  23
  24 #include <sal/types.h>
  25 #include <com/sun/star/datatransfer/XTransferable.hpp>
  26 #include <com/sun/star/uno/XComponentContext.hpp>
  27 #include "Fetc.hxx"
  28
  29 #if defined _MSC_VER
  30 #pragma warning(push,1)
  31 #endif
  32 #include <windows.h>
  33 #if defined _MSC_VER
  34 #pragma warning(pop)
  35 #endif
  36 #include <vector>
  37
  38 /*****************************************************************
  39     a simple container for FORMATECT structures
  40     instances of this class are not thread-safe
  41 *****************************************************************/
  42
  43 class CFormatEtcContainer
  44 {
  45 public:
  46     CFormatEtcContainer( );
  47
  48     // duplicates not allowed
  49     void SAL_CALL addFormatEtc( const CFormatEtc& fetc );
  50
  51     // removes the specified formatetc
  52     void SAL_CALL removeFormatEtc( const CFormatEtc& fetc );
  53
  54     // removes the formatetc at pos
  55     void SAL_CALL removeAllFormatEtc( );
  56
  57     sal_Bool SAL_CALL hasFormatEtc( const CFormatEtc& fetc ) const;
  58
  59     sal_Bool SAL_CALL hasElements( ) const;
  60
  61     // begin enumeration
  62     void SAL_CALL beginEnumFormatEtc( );
  63
  64     // copies the specified number of formatetc structures starting
  65     // at the current enum position
  66     // the return value is the number of copied elements; if the
  67     // current enum position is at the end the return value is 0
  68     sal_uInt32 SAL_CALL nextFormatEtc( LPFORMATETC lpFetc, sal_uInt32 aNum = 1 );
  69
  70     // skips the specified number of elements in the container
  71     sal_Bool SAL_CALL skipFormatEtc( sal_uInt32 aNum );
  72
  73 protected:
  74     typedef std::vector< CFormatEtc > FormatEtcMap_t;
  75
  76 private:
  77     FormatEtcMap_t           m_FormatMap;
  78     FormatEtcMap_t::iterator m_EnumIterator;
  79 };
  80
  81 /*****************************************************************
  82     a helper class which converts data flavors to clipformats,
  83     creates an appropriate formatetc structures and if possible
  84     synthesizes clipboard formats if necessary, e.g. if text
  85     is provided a locale will also be provided;
  86     the class registers the formatetc within a CFormatEtcContainer
  87
  88     instances of this class are not thread-safe and multiple
  89     instances of this class would use the same static variables
  90     that's why this class should not be used by multiple threads,
  91     only one thread of a process should use it
  92 *****************************************************************/
  93
  94 // forward
  95 class CDataFormatTranslator;
  96
  97 class CFormatRegistrar
  98 {
  99 public:
 100     CFormatRegistrar( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& rxContext,
 101                       const CDataFormatTranslator& aDataFormatTranslator );
 102
 103     void SAL_CALL RegisterFormats( const com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable >& aXTransferable,
 104                                    CFormatEtcContainer& aFormatEtcContainer );
 105
 106     sal_Bool   SAL_CALL hasSynthesizedLocale( ) const;
 107     LCID       SAL_CALL getSynthesizedLocale( ) const;
 108     sal_uInt32 SAL_CALL getRegisteredTextCodePage( ) const;
 109     com::sun::star::datatransfer::DataFlavor SAL_CALL getRegisteredTextFlavor( ) const;
 110
 111     sal_Bool  SAL_CALL isSynthesizeableFormat( const CFormatEtc& aFormatEtc ) const;
 112     sal_Bool  SAL_CALL needsToSynthesizeAccompanyFormats( const CFormatEtc& aFormatEtc ) const;
 113
 114 private:
 115     sal_Bool      SAL_CALL isEqualCurrentSystemCodePage( sal_uInt32 aCodePage ) const;
 116     OUString SAL_CALL getCharsetFromDataFlavor( const com::sun::star::datatransfer::DataFlavor& aFlavor );
 117
 118     sal_Bool SAL_CALL hasUnicodeFlavor(
 119         const com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable >& aXTransferable ) const;
 120
 121     sal_Bool SAL_CALL findLocaleForTextCodePage( );
 122
 123     static sal_Bool SAL_CALL isLocaleOemCodePage( LCID lcid, sal_uInt32 codepage );
 124     static sal_Bool SAL_CALL isLocaleAnsiCodePage( LCID lcid, sal_uInt32 codepage );
 125     static sal_Bool SAL_CALL isLocaleCodePage( LCID lcid, LCTYPE lctype, sal_uInt32 codepage );
 126
 127     static BOOL CALLBACK EnumLocalesProc( LPSTR lpLocaleStr );
 128
 129 private:
 130     const CDataFormatTranslator&             m_DataFormatTranslator;
 131     sal_Bool                                 m_bHasSynthesizedLocale;
 132     com::sun::star::datatransfer::DataFlavor m_RegisteredTextFlavor;
 133
 134     const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >  m_xContext;
 135
 136     static LCID       m_TxtLocale;
 137     static sal_uInt32 m_TxtCodePage;
 138
 139 private:
 140     CFormatRegistrar( const CFormatRegistrar& );
 141     CFormatRegistrar& operator=( const CFormatRegistrar& );
 142 };
 143
 144 #endif
 145
 146 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */