sdrobjectuser.hxx

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#ifndef INCLUDED_SVX_SDROBJECTUSER_HXX
#define INCLUDED_SVX_SDROBJECTUSER_HXX
 
#include <vector>
 
class SdrObject;
 
// To make things more safe, allow users of an object to register at it. The users need to be derived
// from sdr::ObjectUser to get a call. The users do not need to call RemoveObjectUser() at the page
// when they get called from ObjectInDestruction().
 
namespace sdr
{
    class ObjectUser
    {
    public:
        // this method is called from the destructor of the referenced page.
        // do all necessary action to forget the page. It is not necessary to call
        // RemovePageUser(), that is done from the destructor.
        virtual void ObjectInDestruction(const SdrObject& rObject) = 0;
 
    protected:
        ~ObjectUser() {}
    };
 
    // typedef for ObjectUserVector
    typedef ::std::vector< ObjectUser* > ObjectUserVector;
} // end of namespace sdr
 
#endif // INCLUDED_SVX_SDROBJECTUSER_HXX
 
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