xref: /aoo42x/main/sdext/source/presenter/PresenterAccessibility.hxx (revision cdf0e10c)

/*************************************************************************
 *
 * 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 SDEXT_PRESENTER_PRESENTER_ACCESSIBILITY_HXX
#define SDEXT_PRESENTER_PRESENTER_ACCESSIBILITY_HXX

#include "PresenterPaneContainer.hxx"

#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/TextSegment.hpp>
#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/awt/XFocusListener.hpp>
#include <com/sun/star/awt/XWindow2.hpp>
#include <com/sun/star/awt/WindowEvent.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/drawing/framework/XConfigurationController.hpp>
#include <com/sun/star/drawing/framework/XPane.hpp>
#include <com/sun/star/drawing/framework/XPane2.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <cppuhelper/compbase3.hxx>
#include <cppuhelper/basemutex.hxx>
#include <rtl/ref.hxx>
#include <boost/shared_ptr.hpp>

namespace css = ::com::sun::star;
namespace cssu = ::com::sun::star::uno;
namespace cssa = ::com::sun::star::accessibility;


namespace sdext { namespace presenter {

class PresenterController;
class PresenterTextView;

namespace {
    typedef ::cppu::WeakComponentImplHelper3 <
        css::accessibility::XAccessible,
        css::lang::XInitialization,
        css::awt::XFocusListener
    > PresenterAccessibleInterfaceBase;
}

class PresenterAccessible
    : public ::cppu::BaseMutex,
      public PresenterAccessibleInterfaceBase
{
public:
    PresenterAccessible (
        const css::uno::Reference<css::uno::XComponentContext>& rxContext,
        const ::rtl::Reference<PresenterController>& rpPresenterController,
        const css::uno::Reference<css::drawing::framework::XPane>& rxMainPane);
    virtual ~PresenterAccessible (void);

    void SetAccessibleParent (const cssu::Reference<cssa::XAccessible>& rxAccessibleParent);

    void UpdateAccessibilityHierarchy (void);

    void NotifyCurrentSlideChange (
        const sal_Int32 nCurrentSlideIndex,
        const sal_Int32 nSlideCount);

    /** Return whether accessibility support is active, i.e. whether
        somebody has called getAccessibleContext() yet.
    */
    bool IsAccessibilityActive (void) const;

    virtual void SAL_CALL disposing (void);


    //----- XAccessible -------------------------------------------------------

    virtual cssu::Reference<cssa::XAccessibleContext> SAL_CALL
        getAccessibleContext (void)
        throw (cssu::RuntimeException);


    //----- XFocusListener ----------------------------------------------------

    virtual void SAL_CALL focusGained (const css::awt::FocusEvent& rEvent)
        throw (cssu::RuntimeException);

    virtual void SAL_CALL focusLost (const css::awt::FocusEvent& rEvent)
        throw (cssu::RuntimeException);


    //----- XEventListener ----------------------------------------------------

    virtual void SAL_CALL disposing (const css::lang::EventObject& rEvent)
        throw (cssu::RuntimeException);


    //----- XInitialization ---------------------------------------------------

    virtual void SAL_CALL initialize (const cssu::Sequence<cssu::Any>& rArguments)
        throw (cssu::RuntimeException);


    class AccessibleObject;
    class AccessibleParagraph;

private:
    const css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
    ::rtl::Reference<PresenterController> mpPresenterController;
    css::uno::Reference<css::drawing::framework::XResourceId> mxMainPaneId;
    css::uno::Reference<css::drawing::framework::XPane2> mxMainPane;
    css::uno::Reference<css::awt::XWindow> mxMainWindow;
    css::uno::Reference<css::awt::XWindow> mxPreviewContentWindow;
    css::uno::Reference<css::awt::XWindow> mxPreviewBorderWindow;
    css::uno::Reference<css::awt::XWindow> mxNotesContentWindow;
    css::uno::Reference<css::awt::XWindow> mxNotesBorderWindow;
    ::rtl::Reference<AccessibleObject> mpAccessibleConsole;
    ::rtl::Reference<AccessibleObject> mpAccessiblePreview;
    ::rtl::Reference<AccessibleObject> mpAccessibleNotes;
    css::uno::Reference<css::accessibility::XAccessible> mxAccessibleParent;

    void UpdateAccessibilityHierarchy (
        const css::uno::Reference<css::awt::XWindow>& rxPreviewContentWindow,
        const css::uno::Reference<css::awt::XWindow>& rxPreviewBorderWindow,
        const ::rtl::OUString& rsTitle,
        const css::uno::Reference<css::awt::XWindow>& rxNotesContentWindow,
        const css::uno::Reference<css::awt::XWindow>& rxNotesBorderWindow,
        const ::boost::shared_ptr<PresenterTextView>& rpNotesTextView);
    PresenterPaneContainer::SharedPaneDescriptor GetPreviewPane (void) const;
};




} } // end of namespace ::sd::presenter

#endif