/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: AccessibleDrawDocumentView.hxx,v $
 *
 *  $Revision: 1.10 $
 *
 *  last change: $Author: rt $ $Date: 2005-09-09 04:58:01 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

#ifndef _SD_ACCESSIBILITY_ACCESSIBLE_DRAW_DOCUMENT_VIEW_HXX
#define _SD_ACCESSIBILITY_ACCESSIBLE_DRAW_DOCUMENT_VIEW_HXX

#ifndef _SD_ACCESSIBILITY_ACCESSIBLE_DOCUMENT_VIEW_BASE_HXX
#include "AccessibleDocumentViewBase.hxx"
#endif


namespace accessibility {


/** This class makes draw documents in the general view modes
    accessible.  It passes all shapes on the current draw page to a
    children manager and additionally creates a new shape that
    represents the actual draw page.

    Please see the documentation of the base class for further
    explanations of the individual methods.
*/
class AccessibleDrawDocumentView :
    public AccessibleDocumentViewBase
{
public:
    //=====  internal  ========================================================

    AccessibleDrawDocumentView (::sd::Window* pSdWindow,
        ::sd::ViewShell* pViewShell,
        const ::com::sun::star::uno::Reference<
        ::com::sun::star::frame::XController>& rxController,
        const ::com::sun::star::uno::Reference<
        ::com::sun::star::accessibility::XAccessible>& rxParent);

    virtual ~AccessibleDrawDocumentView (void);

    /** Complete the initialization begun in the constructor.
    */
    virtual void Init (void);


    //=====  IAccessibleViewForwarderListener  ================================

    virtual void ViewForwarderChanged (ChangeType aChangeType,
        const IAccessibleViewForwarder* pViewForwarder);

    //=====  XAccessibleContext  ==============================================

    virtual sal_Int32 SAL_CALL
        getAccessibleChildCount (void)
        throw (::com::sun::star::uno::RuntimeException);

    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible> SAL_CALL
        getAccessibleChild (long nIndex)
        throw (::com::sun::star::uno::RuntimeException);


    //=====  lang::XEventListener  ============================================

    virtual void SAL_CALL
        disposing (const ::com::sun::star::lang::EventObject& rEventObject)
        throw (::com::sun::star::uno::RuntimeException);


    //=====  XPropertyChangeListener  =========================================

    virtual void SAL_CALL
        propertyChange (const ::com::sun::star::beans::PropertyChangeEvent& rEventObject)
        throw (::com::sun::star::uno::RuntimeException);

protected:

    //=====  XServiceInfo  ====================================================

    virtual ::rtl::OUString SAL_CALL
        getImplementationName (void)
        throw (::com::sun::star::uno::RuntimeException);

    virtual ::com::sun::star::uno::Sequence< ::rtl::OUString> SAL_CALL
        getSupportedServiceNames (void)
        throw (::com::sun::star::uno::RuntimeException);


    virtual sal_Bool
        implIsSelected( sal_Int32 nAccessibleChildIndex )
        throw (::com::sun::star::uno::RuntimeException);

    /** Select or deselect the specified child or all children if the given
        index has the special value ACCESSIBLE_SELECTION_CHILD_ALL.
        Selecting or deselecting a child sets or resets the
        <const>SELECTED</const> state and selects or deslects the UNO shape
        beeing made accessible by the child.
        @param nAccessibleChildIndex
            Index of the child to select or deselect.  If the parameter has
            the value ACCESSIBLE_SELECTION_CHILD_ALL then all children are
            selected or deslected.
        @param bSelect
            Indicates whether to select or deselect the specified child
            reps. children.
    */
    virtual void
        implSelect( sal_Int32 nAccessibleChildIndex, sal_Bool bSelect )
        throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);

protected:
    /** This object manages the shapes of the represented draw page.  It is
        responsible to determine the visible shapes and create on demand the
        accessible objects representing them.
    */
    ChildrenManager* mpChildrenManager;

    // This method is called from the component helper base class while
    // disposing.
    virtual void SAL_CALL disposing (void);

    /** Create a shape the represents the page as seen on the screen.
    */
    AccessiblePageShape* CreateDrawPageShape (void);

    /// Create an accessible name that contains the current view mode.
    virtual ::rtl::OUString
        CreateAccessibleName ()
        throw (::com::sun::star::uno::RuntimeException);

    /** Create an accessible description that contains the current
        view mode.
    */
    virtual ::rtl::OUString
        CreateAccessibleDescription ()
        throw (::com::sun::star::uno::RuntimeException);

    /** Make sure that the currently focused shape sends a FOCUSED state
        change event indicating that it has (regained) the focus.
    */
    virtual void Activated (void);

    /** Make sure that the currently focused shape sends a FOCUSED state
        change event indicating that it has lost the focus.
    */
    virtual void Deactivated (void);
};

} // end of namespace accessibility

#endif