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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 : #ifndef _XMLGRHLP_HXX
21 : #define _XMLGRHLP_HXX
22 :
23 : #include <cppuhelper/compbase2.hxx>
24 : #include <osl/mutex.hxx>
25 : #include <svtools/grfmgr.hxx>
26 : #include <vector>
27 : #include <set>
28 : #include <utility>
29 : #include <com/sun/star/document/XGraphicObjectResolver.hpp>
30 : #include <com/sun/star/document/XBinaryStreamResolver.hpp>
31 : #include <com/sun/star/embed/XStorage.hpp>
32 : #include "svx/svxdllapi.h"
33 :
34 : // ----------------------
35 : // - SvXMLGraphicHelper -
36 : // ----------------------
37 :
38 : enum SvXMLGraphicHelperMode
39 : {
40 : GRAPHICHELPER_MODE_READ = 0,
41 : GRAPHICHELPER_MODE_WRITE = 1
42 : };
43 :
44 : // ----------------------
45 : // - SvXMLGraphicHelper -
46 : // ----------------------
47 182 : struct SvxGraphicHelperStream_Impl
48 : {
49 : ::com::sun::star::uno::Reference < ::com::sun::star::embed::XStorage > xStorage;
50 : ::com::sun::star::uno::Reference < ::com::sun::star::io::XStream > xStream;
51 : };
52 :
53 : class SVX_DLLPUBLIC SvXMLGraphicHelper : public ::cppu::WeakComponentImplHelper2< ::com::sun::star::document::XGraphicObjectResolver,
54 : ::com::sun::star::document::XBinaryStreamResolver >
55 : {
56 : private:
57 :
58 : typedef ::std::pair< OUString, OUString > URLPair;
59 : typedef ::std::vector< URLPair > URLPairVector;
60 : typedef ::std::vector< GraphicObject > GraphicObjectVector;
61 : typedef ::std::set< OUString > URLSet;
62 : typedef ::std::vector< ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > > GraphicOutputStreamVector;
63 :
64 : ::osl::Mutex maMutex;
65 : ::com::sun::star::uno::Reference < ::com::sun::star::embed::XStorage > mxRootStorage;
66 : OUString maCurStorageName;
67 : URLPairVector maGrfURLs;
68 : GraphicObjectVector maGrfObjs;
69 : GraphicOutputStreamVector maGrfStms;
70 : URLSet maURLSet;
71 : SvXMLGraphicHelperMode meCreateMode;
72 : sal_Bool mbDirect;
73 :
74 : SVX_DLLPRIVATE sal_Bool ImplGetStreamNames( const OUString& rURLStr,
75 : OUString& rPictureStorageName,
76 : OUString& rPictureStreamName );
77 : SVX_DLLPRIVATE ::com::sun::star::uno::Reference < ::com::sun::star::embed::XStorage > ImplGetGraphicStorage( const OUString& rPictureStorageName );
78 : SVX_DLLPRIVATE SvxGraphicHelperStream_Impl ImplGetGraphicStream( const OUString& rPictureStorageName,
79 : const OUString& rPictureStreamName,
80 : sal_Bool bTruncate );
81 : SVX_DLLPRIVATE String ImplGetGraphicMimeType( const String& rFileName ) const;
82 : SVX_DLLPRIVATE Graphic ImplReadGraphic( const OUString& rPictureStorageName,
83 : const OUString& rPictureStreamName );
84 : SVX_DLLPRIVATE sal_Bool ImplWriteGraphic( const OUString& rPictureStorageName,
85 : const OUString& rPictureStreamName,
86 : const OUString& rGraphicId,
87 : bool bUseGfxLink );
88 : SVX_DLLPRIVATE void ImplInsertGraphicURL( const OUString& rURLStr, sal_uInt32 nInsertPos, OUString& rRequestedFileName );
89 :
90 : protected:
91 : SvXMLGraphicHelper();
92 : ~SvXMLGraphicHelper();
93 : void Init( const ::com::sun::star::uno::Reference < ::com::sun::star::embed::XStorage >& xXMLStorage,
94 : SvXMLGraphicHelperMode eCreateMode,
95 : sal_Bool bDirect );
96 :
97 : virtual void SAL_CALL disposing();
98 :
99 : public:
100 : SvXMLGraphicHelper( SvXMLGraphicHelperMode eCreateMode );
101 :
102 : static SvXMLGraphicHelper* Create( const ::com::sun::star::uno::Reference < ::com::sun::star::embed::XStorage >& rXMLStorage,
103 : SvXMLGraphicHelperMode eCreateMode,
104 : sal_Bool bDirect = sal_True );
105 : static SvXMLGraphicHelper* Create( SvXMLGraphicHelperMode eCreateMode );
106 :
107 : static void Destroy( SvXMLGraphicHelper* pSvXMLGraphicHelper );
108 :
109 : public:
110 :
111 : // XGraphicObjectResolver
112 : virtual OUString SAL_CALL resolveGraphicObjectURL( const OUString& aURL ) throw(::com::sun::star::uno::RuntimeException);
113 :
114 : // XBinaryStreamResolver
115 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream( const OUString& rURL ) throw (::com::sun::star::uno::RuntimeException);
116 : virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > SAL_CALL createOutputStream( ) throw (::com::sun::star::uno::RuntimeException);
117 : virtual OUString SAL_CALL resolveOutputStream( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream >& rxBinaryStream ) throw (::com::sun::star::uno::RuntimeException);
118 : };
119 :
120 :
121 : // for instantiation via service manager
122 : namespace svx
123 : {
124 : /** Create this with createInstanceWithArguments. service name
125 : "com.sun.star.comp.Svx.GraphicImportHelper", one argument which is the
126 : XStorage. Without arguments no helper class is created. With an empty
127 : argument the helper class is created and initialized like in the CTOR to
128 : SvXMLGraphicHelper that only gets the create mode.
129 :
130 : You should call dispose after you no longer need this component.
131 :
132 : uses eCreateMode == GRAPHICHELPER_MODE_READ, bDirect == sal_True in
133 : SvXMLGraphicHelper
134 : */
135 : SVX_DLLPUBLIC ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL SvXMLGraphicImportHelper_createInstance(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > & rSMgr) throw( ::com::sun::star::uno::Exception );
136 : SVX_DLLPUBLIC ::com::sun::star::uno::Sequence< OUString > SAL_CALL SvXMLGraphicImportHelper_getSupportedServiceNames() throw();
137 : SVX_DLLPUBLIC OUString SAL_CALL SvXMLGraphicImportHelper_getImplementationName() throw();
138 :
139 : /** Create this with createInstanceWithArguments. service name
140 : "com.sun.star.comp.Svx.GraphicExportHelper", one argument which is the
141 : XStorage. Without arguments no helper class is created. With an empty
142 : argument the helper class is created and initialized like in the CTOR to
143 : SvXMLGraphicHelper that only gets the create mode
144 :
145 : To write the Pictures stream, you have to call dispose at this component.
146 : Make sure you call dipose before you commit the parent storage.
147 :
148 : uses eCreateMode == GRAPHICHELPER_MODE_WRITE, bDirect == sal_True in
149 : SvXMLGraphicHelper
150 : */
151 : SVX_DLLPUBLIC ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL SvXMLGraphicExportHelper_createInstance(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > & rSMgr) throw( ::com::sun::star::uno::Exception );
152 : SVX_DLLPUBLIC ::com::sun::star::uno::Sequence< OUString > SAL_CALL SvXMLGraphicExportHelper_getSupportedServiceNames() throw();
153 : SVX_DLLPUBLIC OUString SAL_CALL SvXMLGraphicExportHelper_getImplementationName() throw();
154 : }
155 :
156 : #endif
157 :
158 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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