AccessibleContextBase.hxx

Go to the documentation of this file.

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#pragma once

#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/accessibility/XAccessibleComponent.hpp>
#include <com/sun/star/accessibility/XAccessibleContext.hpp>
#include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <cppuhelper/interfacecontainer.h>

#include <svl/lstner.hxx>
#include <cppuhelper/basemutex.hxx>
#include <cppuhelper/compbase5.hxx>
#include <cppuhelper/implbase1.hxx>

namespace tools { class Rectangle; }

typedef cppu::WeakAggComponentImplHelper5<
                css::accessibility::XAccessible,
                css::accessibility::XAccessibleComponent,
                css::accessibility::XAccessibleContext,
                css::accessibility::XAccessibleEventBroadcaster,
                css::lang::XServiceInfo
                > ScAccessibleContextBaseWeakImpl;

typedef cppu::ImplHelper1<
                css::accessibility::XAccessibleEventListener
                > ScAccessibleContextBaseImplEvent;

class ScAccessibleContextBase
    :   public cppu::BaseMutex,
        public ScAccessibleContextBaseWeakImpl,
        public ScAccessibleContextBaseImplEvent,
        public SfxListener
{
public:
    //=====  internal  ========================================================
    ScAccessibleContextBase(
        const css::uno::Reference<css::accessibility::XAccessible>& rxParent,
        const sal_Int16 aRole);

    virtual void Init();
    virtual void SAL_CALL disposing() override;
protected:
    virtual ~ScAccessibleContextBase() override;
public:

    bool isShowing();

    virtual bool isVisible();


    virtual void Notify( SfxBroadcaster& rBC, const SfxHint& rHint ) override;


    virtual css::uno::Any SAL_CALL queryInterface(
        css::uno::Type const & rType ) override;

    virtual void SAL_CALL acquire() throw () override;

    virtual void SAL_CALL release() throw () override;


    virtual css::uno::Reference< css::accessibility::XAccessibleContext> SAL_CALL
        getAccessibleContext() override;


    virtual sal_Bool SAL_CALL containsPoint(
        const css::awt::Point& rPoint ) override;

    virtual css::uno::Reference< css::accessibility::XAccessible >
        SAL_CALL getAccessibleAtPoint(
        const css::awt::Point& rPoint ) override;

    virtual css::awt::Rectangle SAL_CALL getBounds(  ) override;

    virtual css::awt::Point SAL_CALL getLocation(  ) override;

    virtual css::awt::Point SAL_CALL getLocationOnScreen(  ) override;

    virtual css::awt::Size SAL_CALL getSize(  ) override;

    virtual void SAL_CALL grabFocus(  ) override;

    virtual sal_Int32 SAL_CALL getForeground(  ) override;

    virtual sal_Int32 SAL_CALL getBackground(  ) override;


    virtual sal_Int32 SAL_CALL getAccessibleChildCount() override;

    virtual css::uno::Reference< css::accessibility::XAccessible> SAL_CALL
        getAccessibleChild(sal_Int32 nIndex) override;

    virtual css::uno::Reference< css::accessibility::XAccessible> SAL_CALL
        getAccessibleParent() override;

    virtual sal_Int32 SAL_CALL
        getAccessibleIndexInParent() override;

    virtual sal_Int16 SAL_CALL
        getAccessibleRole() override;

    virtual OUString SAL_CALL
        getAccessibleDescription() override;

    virtual OUString SAL_CALL
        getAccessibleName() override;

    virtual css::uno::Reference<css::accessibility::XAccessibleRelationSet> SAL_CALL
        getAccessibleRelationSet() override;

    virtual css::uno::Reference<css::accessibility::XAccessibleStateSet> SAL_CALL
        getAccessibleStateSet() override;

    virtual css::lang::Locale SAL_CALL
        getLocale() override;


    virtual void SAL_CALL
        addAccessibleEventListener(
            const css::uno::Reference<css::accessibility::XAccessibleEventListener>& xListener) override;

    //  Remove an existing event listener.
    virtual void SAL_CALL
        removeAccessibleEventListener(
            const css::uno::Reference<css::accessibility::XAccessibleEventListener>& xListener) override;


    virtual void SAL_CALL
        disposing( const css::lang::EventObject& Source ) override;

    virtual void SAL_CALL
        notifyEvent(
        const css::accessibility::AccessibleEventObject& aEvent ) override;


    virtual OUString SAL_CALL
        getImplementationName() override;

    virtual sal_Bool SAL_CALL
        supportsService(const OUString& sServiceName) override;

    virtual css::uno::Sequence< OUString> SAL_CALL
        getSupportedServiceNames() override;


    virtual css::uno::Sequence< css::uno::Type > SAL_CALL
        getTypes() override;

    virtual css::uno::Sequence<sal_Int8> SAL_CALL
        getImplementationId() override;

protected:
    virtual OUString
        createAccessibleDescription();

    virtual OUString
        createAccessibleName();

    virtual tools::Rectangle GetBoundingBoxOnScreen() const;

    virtual tools::Rectangle GetBoundingBox() const;

public:
    void
        CommitChange(const css::accessibility::AccessibleEventObject& rEvent) const;

    void SetName(const OUString& rName) { msName = rName; }

    void SetDescription(const OUString& rDesc) { msDescription = rDesc; }

    void SetParent(const css::uno::Reference<css::accessibility::XAccessible>& rParent) { mxParent = rParent; }

protected:
    void CommitFocusGained() const;

    void CommitFocusLost() const;

    bool IsDefunc() const { return rBHelper.bDisposed; }

    void IsObjectValid() const;

    css::uno::Reference<css::accessibility::XAccessible> mxParent;

private:
    OUString msDescription;

    OUString msName;

    sal_uInt32 mnClientId;

    sal_Int16 maRole;
};

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