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, 354 insertions, 0 deletions

diff --git a/accessibility/source/extended/AccessibleGridControl.cxx b/accessibility/source/extended/AccessibleGridControl.cxx
new file mode 100644
index 000000000..a3d016194
--- /dev/null
+++ b/accessibility/source/extended/AccessibleGridControl.cxx
@@ -0,0 +1,354 @@
+/* -*- 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 <extended/AccessibleGridControl.hxx>
+#include <extended/AccessibleGridControlTable.hxx>
+#include <extended/AccessibleGridControlHeader.hxx>
+#include <com/sun/star/accessibility/AccessibleEventId.hpp>
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+#include <toolkit/helper/convert.hxx>
+#include <utility>
+#include <vcl/accessibletable.hxx>
+#include <vcl/svapp.hxx>
+
+namespace accessibility
+{
+
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::accessibility;
+using namespace ::vcl;
+using namespace ::vcl::table;
+
+AccessibleGridControl::AccessibleGridControl(
+            const css::uno::Reference< css::accessibility::XAccessible >& _rxParent, const css::uno::Reference< css::accessibility::XAccessible >& _rxCreator,
+            ::vcl::table::IAccessibleTable& _rTable )
+    : AccessibleGridControlBase( _rxParent, _rTable, TCTYPE_GRIDCONTROL ),
+      m_aCreator(_rxCreator)
+{
+}
+
+
+void SAL_CALL AccessibleGridControl::disposing()
+{
+    SolarMutexGuard g;
+
+    m_aCreator.clear();
+
+    if ( m_xTable.is() )
+    {
+        m_xTable->dispose();
+        m_xTable.clear();
+    }
+    if ( m_xRowHeaderBar.is() )
+    {
+        m_xRowHeaderBar->dispose();
+        m_xRowHeaderBar.clear();
+    }
+    if ( m_xColumnHeaderBar.is() )
+    {
+        m_xColumnHeaderBar->dispose();
+        m_xColumnHeaderBar.clear();
+    }
+    AccessibleGridControlBase::disposing();
+}
+
+sal_Int32 AccessibleGridControl::implGetAccessibleChildCount()
+{
+    return m_aTable.GetAccessibleControlCount();
+}
+
+// css::accessibility::XAccessibleContext ---------------------------------------------------------
+
+
+sal_Int32 SAL_CALL AccessibleGridControl::getAccessibleChildCount()
+{
+    SolarMutexGuard aSolarGuard;
+    ensureIsAlive();
+    return implGetAccessibleChildCount();
+}
+
+
+css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
+AccessibleGridControl::getAccessibleChild( sal_Int32 nChildIndex )
+{
+    SolarMutexGuard aSolarGuard;
+
+    if (nChildIndex<0 || nChildIndex>=implGetAccessibleChildCount())
+        throw IndexOutOfBoundsException();
+
+    css::uno::Reference< css::accessibility::XAccessible > xChild;
+    if (isAlive())
+    {
+        if(nChildIndex == 0 && m_aTable.HasColHeader())
+        {
+            if(!m_xColumnHeaderBar.is())
+            {
+                m_xColumnHeaderBar = new AccessibleGridControlHeader(m_aCreator, m_aTable, vcl::table::TCTYPE_COLUMNHEADERBAR);
+            }
+            xChild = m_xColumnHeaderBar.get();
+        }
+        else if(m_aTable.HasRowHeader() && (nChildIndex == 1 || nChildIndex == 0))
+        {
+            if(!m_xRowHeaderBar.is())
+            {
+                m_xRowHeaderBar = new AccessibleGridControlHeader(m_aCreator, m_aTable, vcl::table::TCTYPE_ROWHEADERBAR);
+            }
+            xChild = m_xRowHeaderBar.get();
+        }
+        else
+        {
+            if(!m_xTable.is())
+            {
+                m_xTable = new AccessibleGridControlTable(m_aCreator, m_aTable);
+            }
+            xChild = m_xTable.get();
+        }
+    }
+    return xChild;
+}
+
+
+sal_Int16 SAL_CALL AccessibleGridControl::getAccessibleRole()
+{
+    SolarMutexGuard g;
+
+    ensureIsAlive();
+    return AccessibleRole::PANEL;
+}
+
+
+// css::accessibility::XAccessibleComponent -------------------------------------------------------
+
+css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
+AccessibleGridControl::getAccessibleAtPoint( const awt::Point& rPoint )
+{
+    SolarMutexGuard aSolarGuard;
+    ensureIsAlive();
+
+    css::uno::Reference< css::accessibility::XAccessible > xChild;
+    sal_Int32 nIndex = 0;
+    if( m_aTable.ConvertPointToControlIndex( nIndex, VCLPoint( rPoint ) ) )
+        xChild = m_aTable.CreateAccessibleControl( nIndex );
+    else
+    {
+        // try whether point is in one of the fixed children
+        // (table, header bars, corner control)
+        Point aPoint( VCLPoint( rPoint ) );
+        for( nIndex = 0; (nIndex < 3) && !xChild.is(); ++nIndex )
+        {
+            css::uno::Reference< css::accessibility::XAccessible > xCurrChild( implGetFixedChild( nIndex ) );
+            css::uno::Reference< css::accessibility::XAccessibleComponent >
+            xCurrChildComp( xCurrChild, uno::UNO_QUERY );
+
+            if( xCurrChildComp.is() &&
+                VCLRectangle( xCurrChildComp->getBounds() ).Contains( aPoint ) )
+                xChild = xCurrChild;
+        }
+    }
+    return xChild;
+}
+
+
+void SAL_CALL AccessibleGridControl::grabFocus()
+{
+    SolarMutexGuard aSolarGuard;
+    ensureIsAlive();
+    m_aTable.GrabFocus();
+}
+
+// XServiceInfo ---------------------------------------------------------------
+
+OUString SAL_CALL AccessibleGridControl::getImplementationName()
+{
+    return "com.sun.star.accessibility.AccessibleGridControl";
+}
+
+
+// internal virtual methods ---------------------------------------------------
+
+tools::Rectangle AccessibleGridControl::implGetBoundingBox()
+{
+    vcl::Window* pParent = m_aTable.GetAccessibleParentWindow();
+    OSL_ENSURE( pParent, "implGetBoundingBox - missing parent window" );
+    return m_aTable.GetWindowExtentsRelative( pParent );
+}
+
+
+tools::Rectangle AccessibleGridControl::implGetBoundingBoxOnScreen()
+{
+    return m_aTable.GetWindowExtentsRelative( nullptr );
+}
+// internal helper methods ----------------------------------------------------
+
+css::uno::Reference< css::accessibility::XAccessible > AccessibleGridControl::implGetTable()
+{
+    if( !m_xTable.is() )
+    {
+        m_xTable = createAccessibleTable();
+    }
+    return m_xTable;
+}
+
+
+css::uno::Reference< css::accessibility::XAccessible >
+AccessibleGridControl::implGetHeaderBar( AccessibleTableControlObjType eObjType )
+{
+    css::uno::Reference< css::accessibility::XAccessible > xRet;
+    rtl::Reference< AccessibleGridControlHeader >* pxMember = nullptr;
+
+    if( eObjType == TCTYPE_ROWHEADERBAR )
+        pxMember = &m_xRowHeaderBar;
+    else if( eObjType ==  TCTYPE_COLUMNHEADERBAR )
+        pxMember = &m_xColumnHeaderBar;
+
+    if( pxMember )
+    {
+        if( !pxMember->is() )
+        {
+            *pxMember = new AccessibleGridControlHeader(
+                m_aCreator, m_aTable, eObjType );
+        }
+        xRet = pxMember->get();
+    }
+    return xRet;
+}
+
+css::uno::Reference< css::accessibility::XAccessible >
+AccessibleGridControl::implGetFixedChild( sal_Int32 nChildIndex )
+{
+    css::uno::Reference< css::accessibility::XAccessible > xRet;
+    switch( nChildIndex )
+    {
+        /** Child index of the column header bar (first row). */
+        case 0:
+            xRet = implGetHeaderBar( TCTYPE_COLUMNHEADERBAR );
+        break;
+        /** Child index of the row header bar ("handle column"). */
+        case 1:
+            xRet = implGetHeaderBar( TCTYPE_ROWHEADERBAR );
+        break;
+        /** Child index of the data table. */
+        case 2:
+            xRet = implGetTable();
+        break;
+    }
+    return xRet;
+}
+
+rtl::Reference<AccessibleGridControlTable> AccessibleGridControl::createAccessibleTable()
+{
+    css::uno::Reference< css::accessibility::XAccessible > xCreator(m_aCreator);
+    OSL_ENSURE( xCreator.is(), "extended/AccessibleGridControl::createAccessibleTable: my creator died - how this?" );
+    return new AccessibleGridControlTable( xCreator, m_aTable );
+}
+
+void AccessibleGridControl::commitCellEvent(sal_Int16 _nEventId,const Any& _rNewValue,const Any& _rOldValue)
+{
+    sal_Int32 nChildCount = implGetAccessibleChildCount();
+    if(nChildCount != 0)
+    {
+        for(sal_Int32 i=0;i<nChildCount;i++)
+        {
+            css::uno::Reference< css::accessibility::XAccessible > xAccessible = getAccessibleChild(i);
+            if(css::uno::Reference< css::accessibility::XAccessible >(m_xTable) == xAccessible)
+            {
+                Reference<XAccessible> xCell = m_xTable->getAccessibleCellAt(
+                    m_aTable.GetCurrentRow(), m_aTable.GetCurrentColumn());
+                AccessibleGridControlTableCell* pCell = static_cast<AccessibleGridControlTableCell*>(xCell.get());
+                pCell->commitEvent(_nEventId, _rNewValue, _rOldValue);
+            }
+        }
+    }
+    else
+    {
+        if ( m_xTable.is() )
+            m_xTable->commitEvent(_nEventId,_rNewValue,_rOldValue);
+    }
+}
+
+void AccessibleGridControl::commitTableEvent(sal_Int16 _nEventId,const Any& _rNewValue,const Any& _rOldValue)
+{
+    if ( !m_xTable.is() )
+        return;
+
+    if(_nEventId == AccessibleEventId::ACTIVE_DESCENDANT_CHANGED)
+    {
+        const sal_Int32 nCurrentRow = m_aTable.GetCurrentRow();
+        const sal_Int32 nCurrentCol = m_aTable.GetCurrentColumn();
+        css::uno::Reference< css::accessibility::XAccessible > xChild;
+        if (nCurrentRow > -1 && nCurrentCol > -1)
+            xChild = m_xTable->getAccessibleCellAt(nCurrentRow, nCurrentCol);
+
+        m_xTable->commitEvent(_nEventId, Any(xChild),_rOldValue);
+    }
+    else
+        m_xTable->commitEvent(_nEventId,_rNewValue,_rOldValue);
+}
+
+// = AccessibleGridControlAccess
+
+
+AccessibleGridControlAccess::AccessibleGridControlAccess(
+        css::uno::Reference< css::accessibility::XAccessible > xParent, ::vcl::table::IAccessibleTable& rTable )
+    : m_xParent(std::move( xParent ))
+    , m_pTable( & rTable )
+{
+}
+
+
+AccessibleGridControlAccess::~AccessibleGridControlAccess()
+{
+}
+
+
+void AccessibleGridControlAccess::DisposeAccessImpl()
+{
+    SolarMutexGuard g;
+
+    m_pTable = nullptr;
+    if (m_xContext.is())
+    {
+        m_xContext->dispose();
+        m_xContext.clear();
+    }
+}
+
+
+css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL AccessibleGridControlAccess::getAccessibleContext()
+{
+    SolarMutexGuard g;
+
+    // if the context died meanwhile (we're no listener, so it won't tell us explicitly when this happens),
+    // then reset and re-create.
+    if ( m_xContext.is() && !m_xContext->isAlive() )
+        m_xContext = nullptr;
+
+    if (!m_xContext.is() && m_pTable)
+        m_xContext = new AccessibleGridControl(m_xParent, this, *m_pTable);
+
+    return m_xContext;
+}
+
+
+}   // namespace accessibility
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */