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Diffstat (limited to 'accessibility/source/standard/vclxaccessiblestatusbar.cxx')
| -rw-r--r-- | accessibility/source/standard/vclxaccessiblestatusbar.cxx | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/accessibility/source/standard/vclxaccessiblestatusbar.cxx b/accessibility/source/standard/vclxaccessiblestatusbar.cxx new file mode 100644 index 000000000..d6e3e0ef5 --- /dev/null +++ b/accessibility/source/standard/vclxaccessiblestatusbar.cxx @@ -0,0 +1,335 @@ +/* -*- 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 . + */ + +#include <standard/vclxaccessiblestatusbar.hxx> +#include <standard/vclxaccessiblestatusbaritem.hxx> +#include <toolkit/helper/convert.hxx> +#include <com/sun/star/accessibility/AccessibleEventId.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> +#include <o3tl/safeint.hxx> +#include <vcl/status.hxx> +#include <vcl/vclevent.hxx> + + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::accessibility; +using namespace ::comphelper; + + + + +VCLXAccessibleStatusBar::VCLXAccessibleStatusBar( VCLXWindow* pVCLXWindow ) + :VCLXAccessibleComponent( pVCLXWindow ) +{ + m_pStatusBar = GetAs<StatusBar>(); + + if ( m_pStatusBar ) + m_aAccessibleChildren.assign( m_pStatusBar->GetItemCount(), Reference< XAccessible >() ); +} + + +void VCLXAccessibleStatusBar::UpdateShowing( sal_Int32 i, bool bShowing ) +{ + if ( i >= 0 && o3tl::make_unsigned(i) < m_aAccessibleChildren.size() ) + { + Reference< XAccessible > xChild( m_aAccessibleChildren[i] ); + if ( xChild.is() ) + { + VCLXAccessibleStatusBarItem* pVCLXAccessibleStatusBarItem = static_cast< VCLXAccessibleStatusBarItem* >( xChild.get() ); + if ( pVCLXAccessibleStatusBarItem ) + pVCLXAccessibleStatusBarItem->SetShowing( bShowing ); + } + } +} + + +void VCLXAccessibleStatusBar::UpdateItemName( sal_Int32 i ) +{ + if ( i < 0 || o3tl::make_unsigned(i) >= m_aAccessibleChildren.size() ) + return; + + Reference< XAccessible > xChild( m_aAccessibleChildren[i] ); + if ( xChild.is() ) + { + VCLXAccessibleStatusBarItem* pVCLXAccessibleStatusBarItem = static_cast< VCLXAccessibleStatusBarItem* >( xChild.get() ); + if ( pVCLXAccessibleStatusBarItem ) + { + OUString sItemName = pVCLXAccessibleStatusBarItem->GetItemName(); + pVCLXAccessibleStatusBarItem->SetItemName( sItemName ); + } + } +} + + +void VCLXAccessibleStatusBar::UpdateItemText( sal_Int32 i ) +{ + if ( i < 0 || o3tl::make_unsigned(i) >= m_aAccessibleChildren.size() ) + return; + + Reference< XAccessible > xChild( m_aAccessibleChildren[i] ); + if ( xChild.is() ) + { + VCLXAccessibleStatusBarItem* pVCLXAccessibleStatusBarItem = static_cast< VCLXAccessibleStatusBarItem* >( xChild.get() ); + if ( pVCLXAccessibleStatusBarItem ) + { + OUString sItemText = pVCLXAccessibleStatusBarItem->GetItemText(); + pVCLXAccessibleStatusBarItem->SetItemText( sItemText ); + } + } +} + + +void VCLXAccessibleStatusBar::InsertChild( sal_Int32 i ) +{ + if ( i < 0 || o3tl::make_unsigned(i) > m_aAccessibleChildren.size() ) + return; + + // insert entry in child list + m_aAccessibleChildren.insert( m_aAccessibleChildren.begin() + i, Reference< XAccessible >() ); + + // send accessible child event + Reference< XAccessible > xChild( getAccessibleChild( i ) ); + if ( xChild.is() ) + { + Any aOldValue, aNewValue; + aNewValue <<= xChild; + NotifyAccessibleEvent( AccessibleEventId::CHILD, aOldValue, aNewValue ); + } +} + + +void VCLXAccessibleStatusBar::RemoveChild( sal_Int32 i ) +{ + if ( i < 0 || o3tl::make_unsigned(i) >= m_aAccessibleChildren.size() ) + return; + + // get the accessible of the removed page + Reference< XAccessible > xChild( m_aAccessibleChildren[i] ); + + // remove entry in child list + m_aAccessibleChildren.erase( m_aAccessibleChildren.begin() + i ); + + // send accessible child event + if ( xChild.is() ) + { + Any aOldValue, aNewValue; + aOldValue <<= xChild; + NotifyAccessibleEvent( AccessibleEventId::CHILD, aOldValue, aNewValue ); + + Reference< XComponent > xComponent( xChild, UNO_QUERY ); + if ( xComponent.is() ) + xComponent->dispose(); + } +} + + +void VCLXAccessibleStatusBar::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent ) +{ + switch ( rVclWindowEvent.GetId() ) + { + case VclEventId::StatusbarItemAdded: + { + if ( m_pStatusBar ) + { + sal_uInt16 nItemId = static_cast<sal_uInt16>(reinterpret_cast<sal_IntPtr>(rVclWindowEvent.GetData())); + sal_uInt16 nItemPos = m_pStatusBar->GetItemPos( nItemId ); + InsertChild( nItemPos ); + } + } + break; + case VclEventId::StatusbarItemRemoved: + { + if ( m_pStatusBar ) + { + sal_uInt16 nItemId = static_cast<sal_uInt16>(reinterpret_cast<sal_IntPtr>(rVclWindowEvent.GetData())); + for ( sal_Int32 i = 0, nCount = getAccessibleChildCount(); i < nCount; ++i ) + { + Reference< XAccessible > xChild( getAccessibleChild( i ) ); + if ( xChild.is() ) + { + VCLXAccessibleStatusBarItem* pVCLXAccessibleStatusBarItem = static_cast< VCLXAccessibleStatusBarItem* >( xChild.get() ); + if ( pVCLXAccessibleStatusBarItem && pVCLXAccessibleStatusBarItem->GetItemId() == nItemId ) + { + RemoveChild( i ); + break; + } + } + } + } + } + break; + case VclEventId::StatusbarAllItemsRemoved: + { + for ( sal_Int32 i = m_aAccessibleChildren.size() - 1; i >= 0; --i ) + RemoveChild( i ); + } + break; + case VclEventId::StatusbarShowItem: + case VclEventId::StatusbarHideItem: + { + if ( m_pStatusBar ) + { + sal_uInt16 nItemId = static_cast<sal_uInt16>(reinterpret_cast<sal_IntPtr>(rVclWindowEvent.GetData())); + sal_uInt16 nItemPos = m_pStatusBar->GetItemPos( nItemId ); + UpdateShowing( nItemPos, rVclWindowEvent.GetId() == VclEventId::StatusbarShowItem ); + } + } + break; + case VclEventId::StatusbarNameChanged: + { + if ( m_pStatusBar ) + { + sal_uInt16 nItemId = static_cast<sal_uInt16>(reinterpret_cast<sal_IntPtr>(rVclWindowEvent.GetData())); + sal_uInt16 nItemPos = m_pStatusBar->GetItemPos( nItemId ); + UpdateItemName( nItemPos ); + } + } + break; + case VclEventId::StatusbarDrawItem: + { + if ( m_pStatusBar ) + { + sal_uInt16 nItemId = static_cast<sal_uInt16>(reinterpret_cast<sal_IntPtr>(rVclWindowEvent.GetData())); + sal_uInt16 nItemPos = m_pStatusBar->GetItemPos( nItemId ); + UpdateItemText( nItemPos ); + } + } + break; + case VclEventId::ObjectDying: + { + if ( m_pStatusBar ) + { + m_pStatusBar = nullptr; + + // dispose all children + for (const Reference<XAccessible>& i : m_aAccessibleChildren) + { + Reference< XComponent > xComponent( i, UNO_QUERY ); + if ( xComponent.is() ) + xComponent->dispose(); + } + m_aAccessibleChildren.clear(); + } + + VCLXAccessibleComponent::ProcessWindowEvent( rVclWindowEvent ); + } + break; + default: + VCLXAccessibleComponent::ProcessWindowEvent( rVclWindowEvent ); + } +} + + +// XComponent + + +void VCLXAccessibleStatusBar::disposing() +{ + VCLXAccessibleComponent::disposing(); + + if ( !m_pStatusBar ) + return; + + m_pStatusBar = nullptr; + + // dispose all children + for (const Reference<XAccessible>& i : m_aAccessibleChildren) + { + Reference< XComponent > xComponent( i, UNO_QUERY ); + if ( xComponent.is() ) + xComponent->dispose(); + } + m_aAccessibleChildren.clear(); +} + + +// XServiceInfo + + +OUString VCLXAccessibleStatusBar::getImplementationName() +{ + return "com.sun.star.comp.toolkit.AccessibleStatusBar"; +} + + +Sequence< OUString > VCLXAccessibleStatusBar::getSupportedServiceNames() +{ + return { "com.sun.star.awt.AccessibleStatusBar" }; +} + + +// XAccessibleContext + + +sal_Int32 VCLXAccessibleStatusBar::getAccessibleChildCount() +{ + OExternalLockGuard aGuard( this ); + + return m_aAccessibleChildren.size(); +} + + +Reference< XAccessible > VCLXAccessibleStatusBar::getAccessibleChild( sal_Int32 i ) +{ + OExternalLockGuard aGuard( this ); + + if ( i < 0 || o3tl::make_unsigned(i) >= m_aAccessibleChildren.size() ) + throw IndexOutOfBoundsException(); + + Reference< XAccessible > xChild = m_aAccessibleChildren[i]; + if ( !xChild.is() ) + { + if ( m_pStatusBar ) + { + sal_uInt16 nItemId = m_pStatusBar->GetItemId( static_cast<sal_uInt16>(i) ); + + xChild = new VCLXAccessibleStatusBarItem( m_pStatusBar, nItemId ); + + // insert into status bar item list + m_aAccessibleChildren[i] = xChild; + } + } + + return xChild; +} + + +// XAccessibleComponent + + +Reference< XAccessible > VCLXAccessibleStatusBar::getAccessibleAtPoint( const awt::Point& rPoint ) +{ + OExternalLockGuard aGuard( this ); + + Reference< XAccessible > xChild; + if ( m_pStatusBar ) + { + sal_uInt16 nItemId = m_pStatusBar->GetItemId( VCLPoint( rPoint ) ); + sal_Int32 nItemPos = m_pStatusBar->GetItemPos( nItemId ); + if ( nItemPos >= 0 && o3tl::make_unsigned(nItemPos) < m_aAccessibleChildren.size() ) + xChild = getAccessibleChild( nItemPos ); + } + + return xChild; +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |