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| -rw-r--r-- | include/comphelper/embeddedobjectcontainer.hxx | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/include/comphelper/embeddedobjectcontainer.hxx b/include/comphelper/embeddedobjectcontainer.hxx new file mode 100644 index 0000000000..8c75718dce --- /dev/null +++ b/include/comphelper/embeddedobjectcontainer.hxx @@ -0,0 +1,196 @@ +/* -*- 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: */ |