Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 488 insertions, 0 deletions

diff --git a/accessibility/source/standard/vclxaccessibletabcontrol.cxx b/accessibility/source/standard/vclxaccessibletabcontrol.cxx
new file mode 100644
index 000000000..c1ede9741
--- /dev/null
+++ b/accessibility/source/standard/vclxaccessibletabcontrol.cxx
@@ -0,0 +1,488 @@
+/* -*- 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/vclxaccessibletabcontrol.hxx>
+#include <standard/vclxaccessibletabpage.hxx>
+
+#include <com/sun/star/accessibility/AccessibleEventId.hpp>
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/AccessibleStateType.hpp>
+#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+#include <o3tl/safeint.hxx>
+#include <unotools/accessiblestatesethelper.hxx>
+#include <vcl/tabctrl.hxx>
+#include <vcl/tabpage.hxx>
+#include <vcl/vclevent.hxx>
+
+#include <vector>
+
+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;
+
+
+
+
+VCLXAccessibleTabControl::VCLXAccessibleTabControl( VCLXWindow* pVCLXWindow )
+    :VCLXAccessibleComponent( pVCLXWindow )
+{
+    m_pTabControl = GetAs<TabControl>();
+    if (!m_pTabControl)
+        return;
+    if (m_pTabControl->isDisposed())
+    {
+        m_pTabControl.clear();
+        return;
+    }
+    m_aAccessibleChildren.assign( m_pTabControl->GetPageCount(), Reference< XAccessible >() );
+}
+
+
+void VCLXAccessibleTabControl::UpdateFocused()
+{
+    for (const Reference<XAccessible>& xChild : m_aAccessibleChildren)
+    {
+        if ( xChild.is() )
+        {
+            VCLXAccessibleTabPage* pVCLXAccessibleTabPage = static_cast< VCLXAccessibleTabPage* >( xChild.get() );
+            if ( pVCLXAccessibleTabPage )
+                pVCLXAccessibleTabPage->SetFocused( pVCLXAccessibleTabPage->IsFocused() );
+        }
+    }
+}
+
+
+void VCLXAccessibleTabControl::UpdateSelected( sal_Int32 i, bool bSelected )
+{
+    if ( i >= 0 && o3tl::make_unsigned(i) < m_aAccessibleChildren.size() )
+    {
+        Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+        if ( xChild.is() )
+        {
+            VCLXAccessibleTabPage* pVCLXAccessibleTabPage = static_cast< VCLXAccessibleTabPage* >( xChild.get() );
+            if ( pVCLXAccessibleTabPage )
+                pVCLXAccessibleTabPage->SetSelected( bSelected );
+        }
+    }
+}
+
+
+void VCLXAccessibleTabControl::UpdatePageText( sal_Int32 i )
+{
+    if ( i >= 0 && o3tl::make_unsigned(i) < m_aAccessibleChildren.size() )
+    {
+        Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+        if ( xChild.is() )
+        {
+            VCLXAccessibleTabPage* pVCLXAccessibleTabPage = static_cast< VCLXAccessibleTabPage* >( xChild.get() );
+            if ( pVCLXAccessibleTabPage )
+                pVCLXAccessibleTabPage->SetPageText( pVCLXAccessibleTabPage->GetPageText() );
+        }
+    }
+}
+
+
+void VCLXAccessibleTabControl::UpdateTabPage( sal_Int32 i, bool bNew )
+{
+    if ( i >= 0 && o3tl::make_unsigned(i) < m_aAccessibleChildren.size() )
+    {
+        Reference< XAccessible > xChild( m_aAccessibleChildren[i] );
+        if ( xChild.is() )
+        {
+            VCLXAccessibleTabPage* pVCLXAccessibleTabPage = static_cast< VCLXAccessibleTabPage* >( xChild.get() );
+            if ( pVCLXAccessibleTabPage )
+                pVCLXAccessibleTabPage->Update( bNew );
+        }
+    }
+}
+
+
+void VCLXAccessibleTabControl::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 VCLXAccessibleTabControl::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 VCLXAccessibleTabControl::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
+{
+    switch ( rVclWindowEvent.GetId() )
+    {
+        case VclEventId::TabpageActivate:
+        case VclEventId::TabpageDeactivate:
+        {
+            if ( m_pTabControl )
+            {
+                sal_uInt16 nPageId = static_cast<sal_uInt16>(reinterpret_cast<sal_IntPtr>(rVclWindowEvent.GetData()));
+                sal_uInt16 nPagePos = m_pTabControl->GetPagePos( nPageId );
+                UpdateFocused();
+                UpdateSelected( nPagePos, rVclWindowEvent.GetId() == VclEventId::TabpageActivate );
+            }
+        }
+        break;
+        case VclEventId::TabpagePageTextChanged:
+        {
+            if ( m_pTabControl )
+            {
+                sal_uInt16 nPageId = static_cast<sal_uInt16>(reinterpret_cast<sal_IntPtr>(rVclWindowEvent.GetData()));
+                sal_uInt16 nPagePos = m_pTabControl->GetPagePos( nPageId );
+                UpdatePageText( nPagePos );
+            }
+        }
+        break;
+        case VclEventId::TabpageInserted:
+        {
+            if ( m_pTabControl )
+            {
+                sal_uInt16 nPageId = static_cast<sal_uInt16>(reinterpret_cast<sal_IntPtr>(rVclWindowEvent.GetData()));
+                sal_uInt16 nPagePos = m_pTabControl->GetPagePos( nPageId );
+                InsertChild( nPagePos );
+            }
+        }
+        break;
+        case VclEventId::TabpageRemoved:
+        {
+            if ( m_pTabControl )
+            {
+                sal_uInt16 nPageId = 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() )
+                    {
+                        VCLXAccessibleTabPage* pVCLXAccessibleTabPage = static_cast< VCLXAccessibleTabPage* >( xChild.get() );
+                        if ( pVCLXAccessibleTabPage && pVCLXAccessibleTabPage->GetPageId() == nPageId )
+                        {
+                            RemoveChild( i );
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+        break;
+        case VclEventId::TabpageRemovedAll:
+        {
+            for ( sal_Int32 i = m_aAccessibleChildren.size() - 1; i >= 0; --i )
+                RemoveChild( i );
+        }
+        break;
+        case VclEventId::WindowGetFocus:
+        case VclEventId::WindowLoseFocus:
+        {
+            UpdateFocused();
+        }
+        break;
+        case VclEventId::ObjectDying:
+        {
+            if ( m_pTabControl )
+            {
+                m_pTabControl = nullptr;
+
+                // dispose all tab pages
+                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 );
+   }
+}
+
+
+void VCLXAccessibleTabControl::ProcessWindowChildEvent( const VclWindowEvent& rVclWindowEvent )
+{
+    switch ( rVclWindowEvent.GetId() )
+    {
+        case VclEventId::WindowShow:
+        case VclEventId::WindowHide:
+        {
+            if ( m_pTabControl )
+            {
+                vcl::Window* pChild = static_cast< vcl::Window* >( rVclWindowEvent.GetData() );
+                if ( pChild && pChild->GetType() == WindowType::TABPAGE )
+                {
+                    for ( sal_Int32 i = 0, nCount = m_pTabControl->GetPageCount(); i < nCount; ++i )
+                    {
+                        sal_uInt16 nPageId = m_pTabControl->GetPageId( static_cast<sal_uInt16>(i) );
+                        TabPage* pTabPage = m_pTabControl->GetTabPage( nPageId );
+                        if ( pTabPage == static_cast<TabPage*>(pChild) )
+                            UpdateTabPage( i, rVclWindowEvent.GetId() == VclEventId::WindowShow );
+                    }
+                }
+            }
+        }
+        break;
+        default:
+            VCLXAccessibleComponent::ProcessWindowChildEvent( rVclWindowEvent );
+    }
+}
+
+
+void VCLXAccessibleTabControl::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
+{
+    VCLXAccessibleComponent::FillAccessibleStateSet( rStateSet );
+
+    if ( m_pTabControl )
+        rStateSet.AddState( AccessibleStateType::FOCUSABLE );
+}
+
+
+// XInterface
+
+
+IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleTabControl, VCLXAccessibleComponent, VCLXAccessibleTabControl_BASE )
+
+
+// XTypeProvider
+
+
+IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleTabControl, VCLXAccessibleComponent, VCLXAccessibleTabControl_BASE )
+
+
+// XComponent
+
+
+void VCLXAccessibleTabControl::disposing()
+{
+    VCLXAccessibleComponent::disposing();
+
+    if ( !m_pTabControl )
+        return;
+
+    m_pTabControl = nullptr;
+
+    // dispose all tab pages
+    for (const Reference<XAccessible>& i : m_aAccessibleChildren)
+    {
+        Reference< XComponent > xComponent( i, UNO_QUERY );
+        if ( xComponent.is() )
+            xComponent->dispose();
+    }
+    m_aAccessibleChildren.clear();
+}
+
+
+// XServiceInfo
+
+
+OUString VCLXAccessibleTabControl::getImplementationName()
+{
+    return "com.sun.star.comp.toolkit.AccessibleTabControl";
+}
+
+
+Sequence< OUString > VCLXAccessibleTabControl::getSupportedServiceNames()
+{
+    return { "com.sun.star.awt.AccessibleTabControl" };
+}
+
+
+// XAccessibleContext
+
+
+sal_Int32 VCLXAccessibleTabControl::getAccessibleChildCount()
+{
+    OExternalLockGuard aGuard( this );
+
+    return m_aAccessibleChildren.size();
+}
+
+
+Reference< XAccessible > VCLXAccessibleTabControl::getAccessibleChild( sal_Int32 i )
+{
+    OExternalLockGuard aGuard( this );
+
+    if ( i < 0 || o3tl::make_unsigned(i) >= m_aAccessibleChildren.size() )
+        throw IndexOutOfBoundsException();
+
+    return implGetAccessibleChild( i );
+}
+
+Reference< XAccessible > VCLXAccessibleTabControl::implGetAccessibleChild( sal_Int32 i )
+{
+    Reference< XAccessible > xChild = m_aAccessibleChildren[i];
+    if ( !xChild.is() )
+    {
+        sal_uInt16 nPageId = m_pTabControl ? m_pTabControl->GetPageId(static_cast<sal_uInt16>(i)) : 0;
+        if (nPageId)
+        {
+            xChild = new VCLXAccessibleTabPage( m_pTabControl, nPageId );
+
+            // insert into tab page list
+            m_aAccessibleChildren[i] = xChild;
+        }
+    }
+
+    return xChild;
+}
+
+
+sal_Int16 VCLXAccessibleTabControl::getAccessibleRole(  )
+{
+    OExternalLockGuard aGuard( this );
+
+    return AccessibleRole::PAGE_TAB_LIST;
+}
+
+
+OUString VCLXAccessibleTabControl::getAccessibleName(  )
+{
+    OExternalLockGuard aGuard( this );
+
+    return OUString();
+}
+
+
+// XAccessibleSelection
+
+
+void VCLXAccessibleTabControl::selectAccessibleChild( sal_Int32 nChildIndex )
+{
+    OExternalLockGuard aGuard( this );
+
+    if ( nChildIndex < 0 || o3tl::make_unsigned(nChildIndex) >= m_aAccessibleChildren.size() )
+        throw IndexOutOfBoundsException();
+
+    if ( m_pTabControl )
+        m_pTabControl->SelectTabPage( m_pTabControl->GetPageId( static_cast<sal_uInt16>(nChildIndex) ) );
+}
+
+
+sal_Bool VCLXAccessibleTabControl::isAccessibleChildSelected( sal_Int32 nChildIndex )
+{
+    OExternalLockGuard aGuard( this );
+
+    if ( nChildIndex < 0 || o3tl::make_unsigned(nChildIndex) >= m_aAccessibleChildren.size() )
+        throw IndexOutOfBoundsException();
+
+    return implIsAccessibleChildSelected( nChildIndex );
+}
+
+bool VCLXAccessibleTabControl::implIsAccessibleChildSelected( sal_Int32 nChildIndex )
+{
+    bool bSelected = false;
+    if ( m_pTabControl && m_pTabControl->GetCurPageId() == m_pTabControl->GetPageId( static_cast<sal_uInt16>(nChildIndex) ) )
+        bSelected = true;
+
+    return bSelected;
+}
+
+
+void VCLXAccessibleTabControl::clearAccessibleSelection(  )
+{
+    // This method makes no sense in a tab control, and so does nothing.
+}
+
+
+void VCLXAccessibleTabControl::selectAllAccessibleChildren(  )
+{
+    selectAccessibleChild( 0 );
+}
+
+
+sal_Int32 VCLXAccessibleTabControl::getSelectedAccessibleChildCount(  )
+{
+    OExternalLockGuard aGuard( this );
+
+    return 1;
+}
+
+
+Reference< XAccessible > VCLXAccessibleTabControl::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex )
+{
+    OExternalLockGuard aGuard( this );
+
+    if ( nSelectedChildIndex != 0 )
+        throw IndexOutOfBoundsException();
+
+    Reference< XAccessible > xChild;
+
+    for ( std::size_t i = 0, nCount = m_aAccessibleChildren.size(); i < nCount; i++ )
+    {
+        if ( implIsAccessibleChildSelected( i ) )
+        {
+            xChild = implGetAccessibleChild( i );
+            break;
+        }
+    }
+
+    return xChild;
+}
+
+
+void VCLXAccessibleTabControl::deselectAccessibleChild( sal_Int32 nChildIndex )
+{
+    OExternalLockGuard aGuard( this );
+
+    if ( nChildIndex < 0 || o3tl::make_unsigned(nChildIndex) >= m_aAccessibleChildren.size() )
+        throw IndexOutOfBoundsException();
+
+    // This method makes no sense in a tab control, and so does nothing.
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */