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/* -*- 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 .
*/
#ifndef ACCESSIBILITY_STANDARD_VCLXACCESSIBLELIST_HXX
#define ACCESSIBILITY_STANDARD_VCLXACCESSIBLELIST_HXX
#include <vector>
#include <functional>
#include "accessibility/standard/vclxaccessiblelistitem.hxx"
#include <accessibility/standard/vclxaccessibleedit.hxx>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/XAccessibleAction.hpp>
#include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp>
#include <com/sun/star/accessibility/XAccessibleSelection.hpp>
#include <cppuhelper/implbase2.hxx>
typedef ::cppu::ImplHelper2<
::com::sun::star::accessibility::XAccessible,
::com::sun::star::accessibility::XAccessibleSelection
> VCLXAccessibleList_BASE;
typedef std::vector< ::com::sun::star::uno::WeakReference< ::com::sun::star::accessibility::XAccessible > >
ListItems;
namespace accessibility
{
class IComboListBoxHelper;
}
/** Base class for the list contained in list- and combo boxes. This class
does not support selection because lists of combo boxes give no direct
access to their underlying list implementation. Look into derived
classes for selection.
*/
class VCLXAccessibleList
: public VCLXAccessibleComponent,
public VCLXAccessibleList_BASE
{
public:
enum BoxType {COMBOBOX, LISTBOX};
VCLXAccessibleList (VCLXWindow* pVCLXindow, BoxType aBoxType,
const ::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible >& _xParent);
/** The index that is passed to this method is returned on following
calls to <member>getAccessibleIndexInParent</member>.
*/
void SetIndexInParent (sal_Int32 nIndex);
/** Process some of the events and delegate the rest to the base classes.
*/
virtual void ProcessWindowEvent (const VclWindowEvent& rVclWindowEvent);
virtual void FillAccessibleRelationSet( utl::AccessibleRelationSetHelper& rRelationSet );
/** Called on reception of selection events this method checks all known
list items for a possible change in their selection state and
updates that accordingly. No accessibility events are send because
the XAccessibleSelection interface is not supported and the items
are transient.
@param sTextOfSelectedItem
This string contains the text of the currently selected
item. It is used to retrieve the index of that item.
*/
void UpdateSelection (OUString sTextOfSelectedItem);
// XInterface
DECLARE_XINTERFACE()
// XTypeProvider
DECLARE_XTYPEPROVIDER()
// XAccessible
virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext> SAL_CALL
getAccessibleContext (void)
throw (::com::sun::star::uno::RuntimeException);
// XAccessibleContext
virtual sal_Int32 SAL_CALL getAccessibleChildCount (void)
throw (::com::sun::star::uno::RuntimeException);
::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible> SAL_CALL
getAccessibleChild (sal_Int32 i)
throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL
getAccessibleParent( )
throw (::com::sun::star::uno::RuntimeException);
/** The index returned as index in parent is always the one set with the
<member>SetIndexInParent()</member> method.
*/
virtual sal_Int32 SAL_CALL getAccessibleIndexInParent (void)
throw (::com::sun::star::uno::RuntimeException);
virtual sal_Int16 SAL_CALL getAccessibleRole (void)
throw (::com::sun::star::uno::RuntimeException);
// XAccessibleComponent
virtual sal_Bool SAL_CALL contains (const ::com::sun::star::awt::Point& aPoint)
throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible> SAL_CALL
getAccessibleAt (const ::com::sun::star::awt::Point& aPoint)
throw (::com::sun::star::uno::RuntimeException);
// XServiceInfo
virtual OUString SAL_CALL getImplementationName (void)
throw (::com::sun::star::uno::RuntimeException);
// Return list specific services.
virtual ::com::sun::star::uno::Sequence< OUString > SAL_CALL
getSupportedServiceNames (void)
throw (::com::sun::star::uno::RuntimeException);
// XAccessibleSelection
virtual void SAL_CALL selectAccessibleChild( sal_Int32 nChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL clearAccessibleSelection( ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL selectAllAccessibleChildren( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL getSelectedAccessibleChildCount( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen( ) throw (::com::sun::star::uno::RuntimeException);
sal_Bool IsInDropDown();
void HandleDropOpen();
virtual void ProcessWindowEvent (const VclWindowEvent& rVclWindowEvent, bool b_IsDropDownList);
void UpdateSelection_Acc (::rtl::OUString sTextOfSelectedItem, bool b_IsDropDownList);
void UpdateSelection_Impl_Acc (bool b_IsDropDownList);
void UpdateFocus_Impl_Acc ( sal_uInt16 nPos, bool b_IsDropDownList) ;
void NotifyListItem(::com::sun::star::uno::Any& val);
protected:
BoxType m_aBoxType;
::accessibility::IComboListBoxHelper* m_pListBoxHelper;
ListItems m_aAccessibleChildren;
sal_Int32 m_nVisibleLineCount;
/// Index in parent. This is settable from the outside.
sal_Int32 m_nIndexInParent;
sal_Int32 m_nLastTopEntry;
sal_uInt16 m_nLastSelectedPos;
bool m_bDisableProcessEvent;
bool m_bVisible;
sal_uInt16 m_nCurSelectedPos;
/// The currently selected item.
::com::sun::star::uno::WeakReference< ::com::sun::star::accessibility::XAccessible>
m_xSelectedItem;
virtual ~VCLXAccessibleList (void);
/** This function is called from the implementation helper during a
XComponent::dispose call. Free the list of items and the items themselves.
*/
virtual void SAL_CALL disposing (void);
/** This method adds the states
<const>AccessibleStateType::FOCUSABLE</const> and possibly
<const>AccessibleStateType::MULTI_SELECTABLE</const> to the state set
of the base classes.
*/
virtual void FillAccessibleStateSet (utl::AccessibleStateSetHelper& rStateSet);
/** Create the specified child and insert it into the list of children.
Sets the child's states.
*/
virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
CreateChild (sal_Int32 i);
/** Call this method when the item list has been changed, i.e. items
have been deleted or inserted.
@param bItemInserted
Indicate whether items have been inserted (<TRUE/>) or removed
(<FALSE/>).
@param nIndex
Index of the new or removed item. A value of -1 indicates that
the whole list has been cleared.
*/
virtual void HandleChangedItemList (bool bItemInserted, sal_Int32 nIndex);
// VCLXAccessibleComponent
virtual ::com::sun::star::awt::Rectangle SAL_CALL implGetBounds( ) throw (::com::sun::star::uno::RuntimeException);
private:
/** We need to save the accessible parent to return it in <type>getAccessibleParent()</type>,
because this method of the base class returns the wrong parent.
*/
::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible > m_xParent;
/** dispose all items aand clears the container
*/
void clearItems();
void adjustEntriesIndexInParent(ListItems::iterator& _aBegin,::std::mem_fun_t<bool,VCLXAccessibleListItem>& _rMemFun);
void UpdateEntryRange_Impl (void);
protected:
void UpdateSelection_Impl (sal_uInt16 nPos = 0);
sal_Bool checkEntrySelected(sal_uInt16 _nPos,
::com::sun::star::uno::Any& _rNewValue,
::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& _rxNewAcc);
private:
void notifyVisibleStates(sal_Bool _bSetNew );
void UpdateVisibleLineCount();
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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