AccessibleContextBase.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * 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
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 */
 
#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/compbase.hxx>
#include <cppuhelper/implbase1.hxx>
 
namespace tools { class Rectangle; }
 
typedef cppu::WeakComponentImplHelper<
                css::accessibility::XAccessible,
                css::accessibility::XAccessibleComponent,
                css::accessibility::XAccessibleContext,
                css::accessibility::XAccessibleEventBroadcaster,
                css::lang::XServiceInfo,
                css::accessibility::XAccessibleEventListener
                > ScAccessibleContextBaseWeakImpl;
 
class ScAccessibleContextBase
    :   public cppu::BaseMutex,
        public ScAccessibleContextBaseWeakImpl,
        public SfxListener
{
public:
    //=====  internal  ========================================================
    ScAccessibleContextBase(
        css::uno::Reference<css::accessibility::XAccessible> xParent,
        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::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_Int64 SAL_CALL getAccessibleChildCount() override;
 
    virtual css::uno::Reference< css::accessibility::XAccessible> SAL_CALL
        getAccessibleChild(sal_Int64 nIndex) override;
 
    virtual css::uno::Reference< css::accessibility::XAccessible> SAL_CALL
        getAccessibleParent() override;
 
    virtual sal_Int64 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 sal_Int64 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;
 
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;
};
 
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