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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef _SD_ACCESSIBILITY_ACCESSIBLE_DRAW_DOCUMENT_VIEW_HXX
#define _SD_ACCESSIBILITY_ACCESSIBLE_DRAW_DOCUMENT_VIEW_HXX

#include "AccessibleDocumentViewBase.hxx"

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 (sal_Int32 nIndex)
        throw (::com::sun::star::uno::RuntimeException,
            ::com::sun::star::lang::IndexOutOfBoundsException);


    //=====  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);

    virtual void impl_dispose (void);

private:
    void UpdateAccessibleName (void);
};

} // end of namespace accessibility

#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */