summaryrefslogtreecommitdiff
path: root/include/comphelper/embeddedobjectcontainer.hxx
blob: 8c75718dce358bbd6a214d3f0cd9465c4d3b6c8a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#ifndef INCLUDED_COMPHELPER_EMBEDDEDOBJECTCONTAINER_HXX
#define INCLUDED_COMPHELPER_EMBEDDEDOBJECTCONTAINER_HXX

#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/uno/Sequence.h>
#include <comphelper/comphelperdllapi.h>

#include <rtl/ustring.hxx>
#include <memory>

namespace com::sun::star::beans { struct PropertyValue; }
namespace com::sun::star::embed { class XEmbeddedObject; }
namespace com::sun::star::embed { class XStorage; }
namespace com::sun::star::io { class XInputStream; }
namespace com::sun::star::task { class XInteractionHandler; }
namespace com::sun::star::uno { class XInterface; }

namespace comphelper
{
    class EmbeddedObjectContainer;
    /** Helper interface to give access to some common object which replace the SfxObjectShell
    */
    class SAL_NO_VTABLE SAL_DLLPUBLIC_RTTI IEmbeddedHelper
    {
    public:
        virtual EmbeddedObjectContainer& getEmbeddedObjectContainer() const = 0;
        virtual css::uno::Reference < css::embed::XStorage > getStorage() const = 0;
        virtual css::uno::Reference< css::task::XInteractionHandler > getInteractionHandler() const = 0;
        virtual bool isEnableSetModified() const = 0;
        virtual OUString getDocumentBaseURL() const = 0;

    protected:
        ~IEmbeddedHelper() {}
    };

struct EmbedImpl;
class COMPHELPER_DLLPUBLIC EmbeddedObjectContainer
{
    std::unique_ptr<EmbedImpl>  pImpl;

    css::uno::Reference < css::embed::XEmbeddedObject > Get_Impl( const OUString&,
            const css::uno::Reference < css::embed::XEmbeddedObject >& xCopy,
            OUString const* pBaseURL);

public:
    // add an embedded object to the container storage
    bool StoreEmbeddedObject(
        const css::uno::Reference<css::embed::XEmbeddedObject>& xObj, OUString& rName, bool bCopy,
        const OUString& rSrcShellID, const OUString& rDestShellID );

    // add an embedded object that has been imported from the container storage - should only be called by filters!
    void                AddEmbeddedObject( const css::uno::Reference < css::embed::XEmbeddedObject >&, const OUString& );

                        EmbeddedObjectContainer();
                        EmbeddedObjectContainer( const css::uno::Reference < css::embed::XStorage >& );
                        EmbeddedObjectContainer( const css::uno::Reference < css::embed::XStorage >&,
                                                 const css::uno::Reference < css::uno::XInterface >& );
                        ~EmbeddedObjectContainer();

    void                SwitchPersistence( const css::uno::Reference < css::embed::XStorage >& );
    bool                CommitImageSubStorage();
    void                ReleaseImageSubStorage();

    OUString     CreateUniqueObjectName();

    // get a list of object names that have been added so far
    css::uno::Sequence < OUString > GetObjectNames() const;

    // check for existence of objects at all
    bool            HasEmbeddedObjects() const;

    // check existence of an object - either by identity or by name
    bool            HasEmbeddedObject( const OUString& );
    bool            HasEmbeddedObject( const css::uno::Reference < css::embed::XEmbeddedObject >& ) const;
    bool            HasInstantiatedEmbeddedObject( const OUString& );

    // get the object name of an object - this is the persist name if the object has persistence
    OUString        GetEmbeddedObjectName( const css::uno::Reference < css::embed::XEmbeddedObject >& ) const;

    // retrieve an embedded object by name that either has been added already or is available in the container storage
    css::uno::Reference<css::embed::XEmbeddedObject> GetEmbeddedObject(const OUString&, OUString const* pBaseURL = nullptr);

    // create an object from a ClassId
    css::uno::Reference < css::embed::XEmbeddedObject >
                        CreateEmbeddedObject( const css::uno::Sequence < sal_Int8 >&, OUString&,
                                              OUString const* pBaseURL = nullptr );

    css::uno::Reference < css::embed::XEmbeddedObject >
                        CreateEmbeddedObject( const css::uno::Sequence < sal_Int8 >&,
                        const css::uno::Sequence < css::beans::PropertyValue >&, OUString&,
                        OUString const* pBaseURL = nullptr );

    // insert an embedded object into the container - objects persistent representation will be added to the storage
    bool            InsertEmbeddedObject( const css::uno::Reference < css::embed::XEmbeddedObject >&, OUString& );

    // load an embedded object from a MediaDescriptor and insert it into the container
    // a new object will be created from the new content and returned
    css::uno::Reference < css::embed::XEmbeddedObject >
                        InsertEmbeddedObject( const css::uno::Sequence < css::beans::PropertyValue >&, OUString& rName, OUString const* pBaseURL = nullptr);

    // create an embedded link based on a MediaDescriptor and insert it into the container
    // a new object will be created from the new content and returned
    css::uno::Reference < css::embed::XEmbeddedObject >
                        InsertEmbeddedLink( const css::uno::Sequence < css::beans::PropertyValue >&, OUString& );

    // create an object from a stream that contains its persistent representation and insert it as usual (usually called from clipboard)
    // a new object will be created from the new content and returned
    css::uno::Reference < css::embed::XEmbeddedObject >
                        InsertEmbeddedObject( const css::uno::Reference < css::io::XInputStream >&, OUString& );

    // copy an embedded object into the storage, open the new copy and return it
    css::uno::Reference <css::embed::XEmbeddedObject> CopyAndGetEmbeddedObject(
        EmbeddedObjectContainer& rSrc, const css::uno::Reference <css::embed::XEmbeddedObject>& xObj, OUString& rName,
        const OUString& rSrcShellID, const OUString& rDestShellID );

    // remove an embedded object from the container and from the storage; if object can't be closed
    // #i119941, bKeepToTempStorage: use to specify whether store the removed object to temporary storage+
    void            RemoveEmbeddedObject( const OUString& rName, bool bKeepToTempStorage = true);
    bool            RemoveEmbeddedObject( const css::uno::Reference < css::embed::XEmbeddedObject >&, bool bKeepToTempStorage = true);

    // close and remove an embedded object from the container without removing it from the storage
    void            CloseEmbeddedObject( const css::uno::Reference < css::embed::XEmbeddedObject >& );

    // move an embedded object to another container (keep the persistent name)
    bool            MoveEmbeddedObject( const OUString& rName, EmbeddedObjectContainer& );

    // get the stored graphical representation for the object
    css::uno::Reference < css::io::XInputStream > GetGraphicStream( const css::uno::Reference < css::embed::XEmbeddedObject >&, OUString* pMediaType=nullptr );

    // get the stored graphical representation by the object name
    css::uno::Reference < css::io::XInputStream > GetGraphicStream( const OUString& aName, OUString* pMediaType=nullptr );

    // add a graphical representation for an object
    bool            InsertGraphicStream( const css::uno::Reference < css::io::XInputStream >& rStream, const OUString& rObjectName, const OUString& rMediaType );

    // try to add a graphical representation for an object in optimized way ( might fail )
    bool            InsertGraphicStreamDirectly( const css::uno::Reference < css::io::XInputStream >& rStream, const OUString& rObjectName, const OUString& rMediaType );

    // remove a graphical representation for an object
    void            RemoveGraphicStream( const OUString& rObjectName );

    // copy the graphical representation from different container
    bool            TryToCopyGraphReplacement( EmbeddedObjectContainer& rSrc,
                                                    const OUString& aOrigName,
                                                    const OUString& aTargetName );

    void            CloseEmbeddedObjects();
    bool            StoreChildren(bool _bOasisFormat,bool _bObjectsOnly);
    bool            StoreAsChildren( bool _bOasisFormat
                                        ,bool _bCreateEmbedded
                                        ,bool _bAutoSaveEvent
                                        ,const css::uno::Reference < css::embed::XStorage >& _xStorage);

    static css::uno::Reference< css::io::XInputStream > GetGraphicReplacementStream(
                                            sal_Int64 nViewAspect,
                                            const css::uno::Reference < css::embed::XEmbeddedObject >&,
                                            OUString* pMediaType );

    /** call setPersistentEntry for each embedded object in the container
    *
    * \param _xStorage The storage where to store the objects.
    * \param _bClearModifiedFlag If <TRUE/> then the modified flag will be set to <FALSE/> otherwise nothing happen.
    * \return <FALSE/> if no error occurred, otherwise <TRUE/>.
    */
    bool             SetPersistentEntries(const css::uno::Reference< css::embed::XStorage >& _xStorage,bool _bClearModifiedFlag = true);

    // if DisableActiveContent configuration option is set, this always returns false
    bool getUserAllowsLinkUpdate() const;

    // if DisableActiveContent configuration option is set, this has no effect
    void setUserAllowsLinkUpdate(bool bNew);
};

}

#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */