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, 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: */