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/* -*- 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
,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);
bool getUserAllowsLinkUpdate() const;
void setUserAllowsLinkUpdate(bool bNew);
};
}
#endif
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