include/svx/IAccessibleViewForwarderListener.hxx

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  19
  20 #ifndef INCLUDED_SVX_IACCESSIBLEVIEWFORWARDERLISTENER_HXX
  21 #define INCLUDED_SVX_IACCESSIBLEVIEWFORWARDERLISTENER_HXX
  22
  23
  24 namespace accessibility {
  25
  26 /** <p>The purpose of this interface is to notify a user of an
  27     IAccessibleViewForwarder when that view forwarder changes its
  28     properties.  Such a change may be one of the following:
  29     <ul>
  30     <li>Change of the coordinate transformation.</li>
  31     <li>Change of the visible area (which in turn results in a change of the
  32     coordinate transformation.</li>
  33     <li>Change of the validity state of the view forwarder.</li>
  34 */
  35 class IAccessibleViewForwarderListener
  36 {
  37 public:
  38
  39     /** This method is called to indicate a change of the specified view
  40         forwarder, specifically, a change in visible area.
  41     */
  42     virtual void ViewForwarderChanged() = 0;
  43
  44 protected:
  45     ~IAccessibleViewForwarderListener() {}
  46 };
  47
  48 } // end of namespace accessibility
  49
  50 #endif
  51
  52 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */