embeddedobjectcontainer.hxx

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#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;
    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 );
 
    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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