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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /accessibility/source/standard/accessiblemenubasecomponent.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'accessibility/source/standard/accessiblemenubasecomponent.cxx')
-rw-r--r--accessibility/source/standard/accessiblemenubasecomponent.cxx716
1 files changed, 716 insertions, 0 deletions
diff --git a/accessibility/source/standard/accessiblemenubasecomponent.cxx b/accessibility/source/standard/accessiblemenubasecomponent.cxx
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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 .
+ */
+
+#include <standard/accessiblemenubasecomponent.hxx>
+#include <standard/vclxaccessiblemenu.hxx>
+#include <standard/vclxaccessiblemenuitem.hxx>
+#include <standard/vclxaccessiblemenuseparator.hxx>
+#include <toolkit/helper/convert.hxx>
+
+#include <com/sun/star/accessibility/AccessibleEventId.hpp>
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/AccessibleStateType.hpp>
+#include <cppuhelper/supportsservice.hxx>
+#include <o3tl/safeint.hxx>
+#include <unotools/accessiblestatesethelper.hxx>
+#include <vcl/menu.hxx>
+#include <vcl/vclevent.hxx>
+
+#include <array>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::accessibility;
+using namespace ::comphelper;
+
+
+// OAccessibleMenuBaseComponent
+
+
+OAccessibleMenuBaseComponent::OAccessibleMenuBaseComponent( Menu* pMenu )
+ :m_pMenu( pMenu )
+ ,m_bEnabled( false )
+ ,m_bFocused( false )
+ ,m_bVisible( false )
+ ,m_bSelected( false )
+ ,m_bChecked( false )
+{
+ if ( m_pMenu )
+ {
+ m_aAccessibleChildren.assign( m_pMenu->GetItemCount(), Reference< XAccessible >() );
+ m_pMenu->AddEventListener( LINK( this, OAccessibleMenuBaseComponent, MenuEventListener ) );
+ }
+}
+
+
+OAccessibleMenuBaseComponent::~OAccessibleMenuBaseComponent()
+{
+ if ( m_pMenu )
+ m_pMenu->RemoveEventListener( LINK( this, OAccessibleMenuBaseComponent, MenuEventListener ) );
+}
+
+
+bool OAccessibleMenuBaseComponent::IsEnabled()
+{
+ return false;
+}
+
+
+bool OAccessibleMenuBaseComponent::IsFocused()
+{
+ return false;
+}
+
+
+bool OAccessibleMenuBaseComponent::IsVisible()
+{
+ return false;
+}
+
+
+bool OAccessibleMenuBaseComponent::IsSelected()
+{
+ return false;
+}
+
+
+bool OAccessibleMenuBaseComponent::IsChecked()
+{
+ return false;
+}
+
+
+void OAccessibleMenuBaseComponent::SetStates()
+{
+ m_bEnabled = IsEnabled();
+ m_bFocused = IsFocused();
+ m_bVisible = IsVisible();
+ m_bSelected = IsSelected();
+ m_bChecked = IsChecked();
+}
+
+
+void OAccessibleMenuBaseComponent::SetEnabled( bool bEnabled )
+{
+ if ( m_bEnabled == bEnabled )
+ return;
+
+ sal_Int16 nStateType=AccessibleStateType::ENABLED;
+ if (IsMenuHideDisabledEntries())
+ {
+ nStateType = AccessibleStateType::VISIBLE;
+ }
+ std::array<Any, 2> aOldValue, aNewValue;
+ if ( m_bEnabled )
+ {
+ aOldValue[0] <<= AccessibleStateType::SENSITIVE;
+ aOldValue[1] <<= nStateType;
+ }
+ else
+ {
+ aNewValue[0] <<= nStateType;
+ aNewValue[1] <<= AccessibleStateType::SENSITIVE;
+ }
+ m_bEnabled = bEnabled;
+ NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue[0], aNewValue[0] );
+ NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue[1], aNewValue[1] );
+}
+
+
+void OAccessibleMenuBaseComponent::SetFocused( bool bFocused )
+{
+ if ( m_bFocused != bFocused )
+ {
+ Any aOldValue, aNewValue;
+ if ( m_bFocused )
+ aOldValue <<= AccessibleStateType::FOCUSED;
+ else
+ aNewValue <<= AccessibleStateType::FOCUSED;
+ m_bFocused = bFocused;
+ NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
+ }
+}
+
+
+void OAccessibleMenuBaseComponent::SetVisible( bool bVisible )
+{
+ if ( m_bVisible != bVisible )
+ {
+ Any aOldValue, aNewValue;
+ if ( m_bVisible )
+ aOldValue <<= AccessibleStateType::VISIBLE;
+ else
+ aNewValue <<= AccessibleStateType::VISIBLE;
+ m_bVisible = bVisible;
+ NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
+ }
+}
+
+
+void OAccessibleMenuBaseComponent::SetSelected( bool bSelected )
+{
+ if ( m_bSelected != bSelected )
+ {
+ Any aOldValue, aNewValue;
+ if ( m_bSelected )
+ aOldValue <<= AccessibleStateType::SELECTED;
+ else
+ aNewValue <<= AccessibleStateType::SELECTED;
+ m_bSelected = bSelected;
+ NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
+ }
+}
+
+
+void OAccessibleMenuBaseComponent::SetChecked( bool bChecked )
+{
+ if ( m_bChecked != bChecked )
+ {
+ Any aOldValue, aNewValue;
+ if ( m_bChecked )
+ aOldValue <<= AccessibleStateType::CHECKED;
+ else
+ aNewValue <<= AccessibleStateType::CHECKED;
+ m_bChecked = bChecked;
+ NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
+ }
+}
+
+
+void OAccessibleMenuBaseComponent::UpdateEnabled( sal_Int32 i, bool bEnabled )
+{
+ if ( i >= 0 && o3tl::make_unsigned(i) < m_aAccessibleChildren.size() )
+ {
+ Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+ if ( xChild.is() )
+ {
+ OAccessibleMenuBaseComponent* pComp = static_cast< OAccessibleMenuBaseComponent* >( xChild.get() );
+ if ( pComp )
+ pComp->SetEnabled( bEnabled );
+ }
+ }
+}
+
+
+void OAccessibleMenuBaseComponent::UpdateFocused( sal_Int32 i, bool bFocused )
+{
+ if ( i >= 0 && o3tl::make_unsigned(i) < m_aAccessibleChildren.size() )
+ {
+ Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+ if ( xChild.is() )
+ {
+ OAccessibleMenuBaseComponent* pComp = static_cast< OAccessibleMenuBaseComponent* >( xChild.get() );
+ if ( pComp )
+ pComp->SetFocused( bFocused );
+ }
+ }
+}
+
+
+void OAccessibleMenuBaseComponent::UpdateVisible()
+{
+ SetVisible( IsVisible() );
+ for (const Reference<XAccessible>& xChild : m_aAccessibleChildren)
+ {
+ if ( xChild.is() )
+ {
+ OAccessibleMenuBaseComponent* pComp = static_cast< OAccessibleMenuBaseComponent* >( xChild.get() );
+ if ( pComp )
+ pComp->SetVisible( pComp->IsVisible() );
+ }
+ }
+}
+
+
+void OAccessibleMenuBaseComponent::UpdateSelected( sal_Int32 i, bool bSelected )
+{
+ NotifyAccessibleEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
+
+ if ( i >= 0 && o3tl::make_unsigned(i) < m_aAccessibleChildren.size() )
+ {
+ Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+ if ( xChild.is() )
+ {
+ OAccessibleMenuBaseComponent* pComp = static_cast< OAccessibleMenuBaseComponent* >( xChild.get() );
+ if ( pComp )
+ pComp->SetSelected( bSelected );
+ }
+ }
+}
+
+
+void OAccessibleMenuBaseComponent::UpdateChecked( sal_Int32 i, bool bChecked )
+{
+ if ( i >= 0 && o3tl::make_unsigned(i) < m_aAccessibleChildren.size() )
+ {
+ Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+ if ( xChild.is() )
+ {
+ OAccessibleMenuBaseComponent* pComp = static_cast< OAccessibleMenuBaseComponent* >( xChild.get() );
+ if ( pComp )
+ pComp->SetChecked( bChecked );
+ }
+ }
+}
+
+
+void OAccessibleMenuBaseComponent::UpdateAccessibleName( sal_Int32 i )
+{
+ if ( i >= 0 && o3tl::make_unsigned(i) < m_aAccessibleChildren.size() )
+ {
+ Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+ if ( xChild.is() )
+ {
+ OAccessibleMenuItemComponent* pComp = static_cast< OAccessibleMenuItemComponent* >( xChild.get() );
+ if ( pComp )
+ pComp->SetAccessibleName( pComp->GetAccessibleName() );
+ }
+ }
+}
+
+
+void OAccessibleMenuBaseComponent::UpdateItemText( sal_Int32 i )
+{
+ if ( i >= 0 && o3tl::make_unsigned(i) < m_aAccessibleChildren.size() )
+ {
+ Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+ if ( xChild.is() )
+ {
+ OAccessibleMenuItemComponent* pComp = static_cast< OAccessibleMenuItemComponent* >( xChild.get() );
+ if ( pComp )
+ pComp->SetItemText( pComp->GetItemText() );
+ }
+ }
+}
+
+
+sal_Int32 OAccessibleMenuBaseComponent::GetChildCount() const
+{
+ return m_aAccessibleChildren.size();
+}
+
+
+Reference< XAccessible > OAccessibleMenuBaseComponent::GetChild( sal_Int32 i )
+{
+ Reference< XAccessible > xChild = m_aAccessibleChildren[i];
+ if ( !xChild.is() )
+ {
+ if ( m_pMenu )
+ {
+ // create a new child
+ rtl::Reference<OAccessibleMenuBaseComponent> pChild;
+
+ if ( m_pMenu->GetItemType( static_cast<sal_uInt16>(i) ) == MenuItemType::SEPARATOR )
+ {
+ pChild = new VCLXAccessibleMenuSeparator( m_pMenu, static_cast<sal_uInt16>(i) );
+ }
+ else
+ {
+ PopupMenu* pPopupMenu = m_pMenu->GetPopupMenu( m_pMenu->GetItemId( static_cast<sal_uInt16>(i) ) );
+ if ( pPopupMenu )
+ {
+ pChild = new VCLXAccessibleMenu( m_pMenu, static_cast<sal_uInt16>(i), pPopupMenu );
+ pPopupMenu->SetAccessible( pChild );
+ }
+ else
+ {
+ pChild = new VCLXAccessibleMenuItem( m_pMenu, static_cast<sal_uInt16>(i) );
+ }
+ }
+
+ // set states
+ pChild->SetStates();
+
+ xChild = pChild;
+
+ // insert into menu item list
+ m_aAccessibleChildren[i] = xChild;
+ }
+ }
+
+ return xChild;
+}
+
+
+Reference< XAccessible > OAccessibleMenuBaseComponent::GetChildAt( const awt::Point& rPoint )
+{
+ Reference< XAccessible > xChild;
+ for ( sal_uInt32 i = 0, nCount = getAccessibleChildCount(); i < nCount; ++i )
+ {
+ Reference< XAccessible > xAcc = getAccessibleChild( i );
+ if ( xAcc.is() )
+ {
+ Reference< XAccessibleComponent > xComp( xAcc->getAccessibleContext(), UNO_QUERY );
+ if ( xComp.is() )
+ {
+ tools::Rectangle aRect = VCLRectangle( xComp->getBounds() );
+ Point aPos = VCLPoint( rPoint );
+ if ( aRect.Contains( aPos ) )
+ {
+ xChild = xAcc;
+ break;
+ }
+ }
+ }
+ }
+
+ return xChild;
+}
+
+
+void OAccessibleMenuBaseComponent::InsertChild( sal_Int32 i )
+{
+ if ( i < 0 )
+ return;
+
+ if ( o3tl::make_unsigned(i) > m_aAccessibleChildren.size() )
+ i = m_aAccessibleChildren.size();
+
+ // insert entry in child list
+ m_aAccessibleChildren.insert( m_aAccessibleChildren.begin() + i, Reference< XAccessible >() );
+
+ // update item position of accessible children
+ for ( sal_uInt32 j = i, nCount = m_aAccessibleChildren.size(); j < nCount; ++j )
+ {
+ Reference< XAccessible > xAcc( m_aAccessibleChildren[j] );
+ if ( xAcc.is() )
+ {
+ OAccessibleMenuItemComponent* pComp = static_cast< OAccessibleMenuItemComponent* >( xAcc.get() );
+ if ( pComp )
+ pComp->SetItemPos( static_cast<sal_uInt16>(j) );
+ }
+ }
+
+ // send accessible child event
+ Reference< XAccessible > xChild( GetChild( i ) );
+ if ( xChild.is() )
+ {
+ Any aOldValue, aNewValue;
+ aNewValue <<= xChild;
+ NotifyAccessibleEvent( AccessibleEventId::CHILD, aOldValue, aNewValue );
+ }
+}
+
+
+void OAccessibleMenuBaseComponent::RemoveChild( sal_Int32 i )
+{
+ if ( i < 0 || o3tl::make_unsigned(i) >= m_aAccessibleChildren.size() )
+ return;
+
+ // keep the accessible of the removed item
+ Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+
+ // remove entry in child list
+ m_aAccessibleChildren.erase( m_aAccessibleChildren.begin() + i );
+
+ // update item position of accessible children
+ for ( sal_uInt32 j = i, nCount = m_aAccessibleChildren.size(); j < nCount; ++j )
+ {
+ Reference< XAccessible > xAcc( m_aAccessibleChildren[j] );
+ if ( xAcc.is() )
+ {
+ OAccessibleMenuItemComponent* pComp = static_cast< OAccessibleMenuItemComponent* >( xAcc.get() );
+ if ( pComp )
+ pComp->SetItemPos( static_cast<sal_uInt16>(j) );
+ }
+ }
+
+ // 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();
+ }
+}
+
+
+bool OAccessibleMenuBaseComponent::IsHighlighted()
+{
+ return false;
+}
+
+
+bool OAccessibleMenuBaseComponent::IsChildHighlighted()
+{
+ bool bChildHighlighted = false;
+
+ for (const Reference<XAccessible>& xChild : m_aAccessibleChildren)
+ {
+ if ( xChild.is() )
+ {
+ OAccessibleMenuBaseComponent* pComp = static_cast< OAccessibleMenuBaseComponent* >( xChild.get() );
+ if ( pComp && pComp->IsHighlighted() )
+ {
+ bChildHighlighted = true;
+ break;
+ }
+ }
+ }
+
+ return bChildHighlighted;
+}
+
+
+void OAccessibleMenuBaseComponent::SelectChild( sal_Int32 i )
+{
+ // open the menu
+ if ( getAccessibleRole() == AccessibleRole::MENU && !IsPopupMenuOpen() )
+ Click();
+
+ // highlight the child
+ if ( m_pMenu )
+ m_pMenu->HighlightItem( static_cast<sal_uInt16>(i) );
+}
+
+
+void OAccessibleMenuBaseComponent::DeSelectAll()
+{
+ if ( m_pMenu )
+ m_pMenu->DeHighlight();
+}
+
+
+bool OAccessibleMenuBaseComponent::IsChildSelected( sal_Int32 i )
+{
+ bool bSelected = false;
+
+ if ( m_pMenu && m_pMenu->IsHighlighted( static_cast<sal_uInt16>(i) ) )
+ bSelected = true;
+
+ return bSelected;
+}
+
+
+void OAccessibleMenuBaseComponent::Click()
+{
+}
+
+
+bool OAccessibleMenuBaseComponent::IsPopupMenuOpen()
+{
+ return false;
+}
+
+
+IMPL_LINK( OAccessibleMenuBaseComponent, MenuEventListener, VclMenuEvent&, rEvent, void )
+{
+ OSL_ENSURE( rEvent.GetMenu(), "OAccessibleMenuBaseComponent - Menu?" );
+ ProcessMenuEvent( rEvent );
+}
+
+
+void OAccessibleMenuBaseComponent::ProcessMenuEvent( const VclMenuEvent& rVclMenuEvent )
+{
+ sal_uInt16 nItemPos = rVclMenuEvent.GetItemPos();
+
+ switch ( rVclMenuEvent.GetId() )
+ {
+ case VclEventId::MenuShow:
+ case VclEventId::MenuHide:
+ {
+ UpdateVisible();
+ }
+ break;
+ case VclEventId::MenuHighlight:
+ {
+ SetFocused( false );
+ UpdateFocused( nItemPos, true );
+ UpdateSelected( nItemPos, true );
+ }
+ break;
+ case VclEventId::MenuDehighlight:
+ {
+ UpdateFocused( nItemPos, false );
+ UpdateSelected( nItemPos, false );
+ }
+ break;
+ case VclEventId::MenuSubmenuActivate:
+ {
+ }
+ break;
+ case VclEventId::MenuSubmenuDeactivate:
+ {
+ UpdateFocused( nItemPos, true );
+ }
+ break;
+ case VclEventId::MenuEnable:
+ {
+ UpdateEnabled( nItemPos, true );
+ }
+ break;
+ case VclEventId::MenuDisable:
+ {
+ UpdateEnabled( nItemPos, false );
+ }
+ break;
+ case VclEventId::MenuSubmenuChanged:
+ {
+ RemoveChild( nItemPos );
+ InsertChild( nItemPos );
+ }
+ break;
+ case VclEventId::MenuInsertItem:
+ {
+ InsertChild( nItemPos );
+ }
+ break;
+ case VclEventId::MenuRemoveItem:
+ {
+ RemoveChild( nItemPos );
+ }
+ break;
+ case VclEventId::MenuAccessibleNameChanged:
+ {
+ UpdateAccessibleName( nItemPos );
+ }
+ break;
+ case VclEventId::MenuItemTextChanged:
+ {
+ UpdateAccessibleName( nItemPos );
+ UpdateItemText( nItemPos );
+ }
+ break;
+ case VclEventId::MenuItemChecked:
+ {
+ UpdateChecked( nItemPos, true );
+ }
+ break;
+ case VclEventId::MenuItemUnchecked:
+ {
+ UpdateChecked( nItemPos, false );
+ }
+ break;
+ case VclEventId::ObjectDying:
+ {
+ if ( m_pMenu )
+ {
+ m_pMenu->RemoveEventListener( LINK( this, OAccessibleMenuBaseComponent, MenuEventListener ) );
+
+ m_pMenu = nullptr;
+
+ // dispose all menu items
+ for (const Reference<XAccessible>& i : m_aAccessibleChildren)
+ {
+ Reference< XComponent > xComponent( i, UNO_QUERY );
+ if ( xComponent.is() )
+ xComponent->dispose();
+ }
+ m_aAccessibleChildren.clear();
+ }
+ }
+ break;
+ default:
+ {
+ }
+ break;
+ }
+}
+
+
+// XInterface
+
+
+IMPLEMENT_FORWARD_XINTERFACE2( OAccessibleMenuBaseComponent, OAccessibleExtendedComponentHelper, OAccessibleMenuBaseComponent_BASE )
+
+
+// XTypeProvider
+
+
+IMPLEMENT_FORWARD_XTYPEPROVIDER2( OAccessibleMenuBaseComponent, OAccessibleExtendedComponentHelper, OAccessibleMenuBaseComponent_BASE )
+
+
+// XComponent
+
+
+void OAccessibleMenuBaseComponent::disposing()
+{
+ OAccessibleExtendedComponentHelper::disposing();
+
+ if ( !m_pMenu )
+ return;
+
+ m_pMenu->RemoveEventListener( LINK( this, OAccessibleMenuBaseComponent, MenuEventListener ) );
+
+ m_pMenu = nullptr;
+
+ // dispose all menu items
+ for (const Reference<XAccessible>& i : m_aAccessibleChildren)
+ {
+ Reference< XComponent > xComponent( i, UNO_QUERY );
+ if ( xComponent.is() )
+ xComponent->dispose();
+ }
+ m_aAccessibleChildren.clear();
+}
+
+
+// XServiceInfo
+
+
+sal_Bool OAccessibleMenuBaseComponent::supportsService( const OUString& rServiceName )
+{
+ return cppu::supportsService(this, rServiceName);
+}
+
+
+// XAccessible
+
+
+Reference< XAccessibleContext > OAccessibleMenuBaseComponent::getAccessibleContext( )
+{
+ OExternalLockGuard aGuard( this );
+
+ return this;
+}
+
+
+// XAccessibleContext
+
+
+Reference< XAccessibleStateSet > OAccessibleMenuBaseComponent::getAccessibleStateSet( )
+{
+ OExternalLockGuard aGuard( this );
+
+ rtl::Reference<utl::AccessibleStateSetHelper> pStateSetHelper = new utl::AccessibleStateSetHelper;
+
+ if ( !rBHelper.bDisposed && !rBHelper.bInDispose )
+ {
+ FillAccessibleStateSet( *pStateSetHelper );
+ }
+ else
+ {
+ pStateSetHelper->AddState( AccessibleStateType::DEFUNC );
+ }
+
+ return pStateSetHelper;
+}
+
+
+bool OAccessibleMenuBaseComponent::IsMenuHideDisabledEntries()
+{
+ return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */