277c651875
and avoid some casting Change-Id: I755caf9ba5a333862d1a89a054359781544930f7 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/156570 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
151 lines
5.4 KiB
C++
151 lines
5.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <com/sun/star/accessibility/XAccessible.hpp>
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#include <com/sun/star/accessibility/XAccessibleAction.hpp>
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#include <com/sun/star/accessibility/XAccessibleKeyBinding.hpp>
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#include <com/sun/star/accessibility/XAccessibleValue.hpp>
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#include <toolkit/awt/vclxaccessiblecomponent.hxx>
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#include <cppuhelper/implbase.hxx>
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class VCLXAccessibleList;
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/** Base class for list- and combo boxes. This class manages the box'
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children. The classed derived from this one have only to implement the
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IsValid method and return the correct implementation name.
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*/
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class VCLXAccessibleBox
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: public cppu::ImplInheritanceHelper<
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VCLXAccessibleComponent,
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css::accessibility::XAccessible,
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css::accessibility::XAccessibleValue,
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css::accessibility::XAccessibleAction>
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{
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public:
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enum BoxType {COMBOBOX, LISTBOX};
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/** The constructor is initialized with the box type which may be
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either COMBOBOX or LISTBOX and a flag
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indicating whether the box is a drop down box.
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*/
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VCLXAccessibleBox (VCLXWindow* pVCLXindow, BoxType aType, bool bIsDropDownBox);
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// XAccessible
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virtual css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL
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getAccessibleContext( ) override;
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// XAccessibleContext
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/** Each object has one or two children: an optional text field and the
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actual list. The text field is not provided for non drop down list
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boxes.
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*/
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sal_Int64 SAL_CALL getAccessibleChildCount() final override;
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/** For drop down list boxes the text field is a not editable
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VCLXAccessibleTextField, for combo boxes it is an
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editable VCLXAccessibleEdit.
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*/
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css::uno::Reference< css::accessibility::XAccessible> SAL_CALL
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getAccessibleChild (sal_Int64 i) override;
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/** The role is always AccessibleRole::COMBO_BOX.
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*/
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sal_Int16 SAL_CALL getAccessibleRole() override;
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// XAccessibleAction
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/** There is one action for drop down boxes and none for others.
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*/
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virtual sal_Int32 SAL_CALL getAccessibleActionCount() final override;
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/** The action for drop down boxes lets the user toggle the visibility of the
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popup menu.
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*/
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virtual sal_Bool SAL_CALL doAccessibleAction (sal_Int32 nIndex) override;
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/** The returned string is associated with resource
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RID_STR_ACC_ACTION_TOGGLEPOPUP.
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*/
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virtual OUString SAL_CALL getAccessibleActionDescription (sal_Int32 nIndex) override;
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/** No keybinding returned so far.
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*/
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virtual css::uno::Reference< css::accessibility::XAccessibleKeyBinding > SAL_CALL
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getAccessibleActionKeyBinding( sal_Int32 nIndex ) override;
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// XAccessibleValue
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virtual css::uno::Any SAL_CALL getCurrentValue( ) override;
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virtual sal_Bool SAL_CALL setCurrentValue(
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const css::uno::Any& aNumber ) override;
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virtual css::uno::Any SAL_CALL getMaximumValue( ) override;
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virtual css::uno::Any SAL_CALL getMinimumValue( ) override;
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virtual css::uno::Any SAL_CALL getMinimumIncrement( ) override;
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protected:
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virtual ~VCLXAccessibleBox() override;
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/** Returns true when the object is valid.
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*/
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virtual bool IsValid() const = 0;
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virtual void ProcessWindowChildEvent (const VclWindowEvent& rVclWindowEvent) override;
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virtual void ProcessWindowEvent (const VclWindowEvent& rVclWindowEvent) override;
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virtual void FillAccessibleStateSet( sal_Int64& rStateSet ) override;
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sal_Int64 implGetAccessibleChildCount();
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private:
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/** Specifies whether the box is a combo box or a list box. List boxes
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have multi selection.
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*/
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BoxType m_aBoxType;
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/// Specifies whether the box is a drop down box and thus has an action.
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bool m_bIsDropDownBox;
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/// The child that represents the text field if there is one.
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css::uno::Reference< css::accessibility::XAccessible>
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m_xText;
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/// The child that contains the items of this box.
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rtl::Reference<VCLXAccessibleList> m_xList;
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/** This flag specifies whether an object has a text field as child
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regardless of whether that child being currently instantiated or
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not.
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*/
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bool m_bHasTextChild;
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/** This flag specifies whether an object has a list as child regardless
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of whether that child being currently instantiated or not. This
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flag is always true in the current implementation because the list
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child is just another wrapper around this object and thus has the
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same life time.
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*/
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bool m_bHasListChild;
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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