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, 319 insertions, 0 deletions

diff --git a/sw/source/core/access/acctextframe.cxx b/sw/source/core/access/acctextframe.cxx
new file mode 100644
index 000000000..a5d6d43df
--- /dev/null
+++ b/sw/source/core/access/acctextframe.cxx
@@ -0,0 +1,319 @@
+/* -*- 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 <com/sun/star/accessibility/XAccessibleContext.hpp>
+#include <cppuhelper/queryinterface.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <vcl/svapp.hxx>
+#include <sal/log.hxx>
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/AccessibleRelation.hpp>
+#include <com/sun/star/accessibility/AccessibleRelationType.hpp>
+#include <com/sun/star/accessibility/XAccessibleRelationSet.hpp>
+#include <com/sun/star/accessibility/AccessibleEventId.hpp>
+#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+#include <frmfmt.hxx>
+#include <flyfrm.hxx>
+#include <accmap.hxx>
+#include <unotools/accessiblerelationsethelper.hxx>
+#include <hints.hxx>
+#include "acctextframe.hxx"
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::accessibility;
+
+using utl::AccessibleRelationSetHelper;
+using ::com::sun::star::accessibility::XAccessibleContext;
+
+SwAccessibleTextFrame::SwAccessibleTextFrame(
+        std::shared_ptr<SwAccessibleMap> const& pInitMap,
+        const SwFlyFrame& rFlyFrame  ) :
+    SwAccessibleFrameBase( pInitMap, AccessibleRole::TEXT_FRAME, &rFlyFrame )
+{
+    const SwFlyFrameFormat* pFlyFrameFormat = rFlyFrame.GetFormat();
+    msTitle = pFlyFrameFormat->GetObjTitle();
+
+    msDesc = pFlyFrameFormat->GetObjDescription();
+    if ( msDesc.isEmpty() &&
+         msTitle != GetName() )
+    {
+        msDesc = msTitle;
+    }
+}
+
+SwAccessibleTextFrame::~SwAccessibleTextFrame()
+{
+}
+
+void SwAccessibleTextFrame::Notify(const SfxHint& rHint)
+{
+    if(rHint.GetId() == SfxHintId::Dying)
+        EndListeningAll();
+    else if (rHint.GetId() == SfxHintId::SwLegacyModify)
+    {
+        auto pLegacyModifyHint = static_cast<const sw::LegacyModifyHint*>(&rHint);
+        const sal_uInt16 nWhich = pLegacyModifyHint->GetWhich();
+        const SwFlyFrame* pFlyFrame = static_cast<const SwFlyFrame*>(GetFrame());
+        switch(nWhich)
+        {
+            // #i73249#
+            case RES_TITLE_CHANGED:
+            {
+                OUString sOldTitle, sNewTitle;
+                const SwStringMsgPoolItem *pOldItem = dynamic_cast<const SwStringMsgPoolItem*>(pLegacyModifyHint->m_pOld);
+                if(pOldItem)
+                    sOldTitle = pOldItem->GetString();
+                const SwStringMsgPoolItem *pNewItem = dynamic_cast<const SwStringMsgPoolItem*>(pLegacyModifyHint->m_pNew);
+                if(pNewItem)
+                    sNewTitle = pNewItem->GetString();
+                if(sOldTitle == sNewTitle)
+                    break;
+                msTitle = sNewTitle;
+                AccessibleEventObject aEvent;
+                aEvent.EventId = AccessibleEventId::NAME_CHANGED;
+                aEvent.OldValue <<= sOldTitle;
+                aEvent.NewValue <<= msTitle;
+                FireAccessibleEvent( aEvent );
+
+                const SwFlyFrameFormat* pFlyFrameFormat = pFlyFrame->GetFormat();
+                if(!pFlyFrameFormat || !pFlyFrameFormat->GetObjDescription().isEmpty())
+                    break;
+                [[fallthrough]];
+            }
+            case RES_DESCRIPTION_CHANGED:
+            {
+                if(pFlyFrame)
+                {
+                    const OUString sOldDesc(msDesc);
+
+                    const SwFlyFrameFormat* pFlyFrameFormat = pFlyFrame->GetFormat();
+                    const OUString& rDesc = pFlyFrameFormat->GetObjDescription();
+                    msDesc = rDesc;
+                    if(msDesc.isEmpty() && msTitle != GetName())
+                        msDesc = msTitle;
+
+                    if(msDesc != sOldDesc)
+                    {
+                        AccessibleEventObject aEvent;
+                        aEvent.EventId = AccessibleEventId::DESCRIPTION_CHANGED;
+                        aEvent.OldValue <<= sOldDesc;
+                        aEvent.NewValue <<= msDesc;
+                        FireAccessibleEvent(aEvent);
+                    }
+                }
+            }
+        }
+    }
+}
+
+// XInterface
+
+css::uno::Any SAL_CALL
+    SwAccessibleTextFrame::queryInterface (const css::uno::Type & rType)
+{
+    css::uno::Any aReturn = SwAccessibleContext::queryInterface (rType);
+    if ( ! aReturn.hasValue())
+        aReturn = ::cppu::queryInterface (rType,
+            static_cast< css::accessibility::XAccessibleSelection* >(this)
+            );
+    return aReturn;
+}
+
+void SAL_CALL
+    SwAccessibleTextFrame::acquire()
+    noexcept
+{
+    SwAccessibleContext::acquire ();
+}
+
+void SAL_CALL
+    SwAccessibleTextFrame::release()
+    noexcept
+{
+    SwAccessibleContext::release ();
+}
+
+// XAccessibleSelection
+
+void SAL_CALL SwAccessibleTextFrame::selectAccessibleChild( sal_Int32 )
+{
+    SAL_WARN("sw.a11y", "<SwAccessibleTextFrame::selectAccessibleChild( sal_Int32 )> - missing implementation");
+}
+
+sal_Bool SAL_CALL SwAccessibleTextFrame::isAccessibleChildSelected( sal_Int32 nChildIndex )
+{
+    SolarMutexGuard g;
+
+    uno::Reference<XAccessible> xAcc = getAccessibleChild( nChildIndex );
+    uno::Reference<XAccessibleContext> xContext;
+    if( xAcc.is() )
+        xContext = xAcc->getAccessibleContext();
+
+    if( xContext.is() )
+    {
+        if( xContext->getAccessibleRole() == AccessibleRole::PARAGRAPH )
+        {
+            uno::Reference< css::accessibility::XAccessibleText >
+                xText(xAcc, uno::UNO_QUERY);
+            if( xText.is() )
+            {
+                if( xText->getSelectionStart() >= 0 ) return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+void SAL_CALL SwAccessibleTextFrame::clearAccessibleSelection(  )
+{
+    SAL_WARN("sw.a11y", "<SwAccessibleTextFrame::clearAccessibleSelection()> - missing implementation");
+}
+
+void SAL_CALL SwAccessibleTextFrame::selectAllAccessibleChildren(  )
+{
+    SAL_WARN("sw.a11y", "<SwAccessibleTextFrame::selectAllAccessibleChildren()> - missing implementation");
+}
+
+sal_Int32 SAL_CALL SwAccessibleTextFrame::getSelectedAccessibleChildCount()
+{
+    sal_Int32 nCount = 0;
+    sal_Int32 TotalCount = getAccessibleChildCount();
+    for( sal_Int32 i = 0; i < TotalCount; i++ )
+        if( isAccessibleChildSelected(i) ) nCount++;
+
+    return nCount;
+}
+
+uno::Reference<XAccessible> SAL_CALL SwAccessibleTextFrame::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex )
+{
+    SolarMutexGuard g;
+
+    if ( nSelectedChildIndex > getSelectedAccessibleChildCount() )
+        throw lang::IndexOutOfBoundsException();
+    sal_Int32 i1, i2;
+    for( i1 = 0, i2 = 0; i1 < getAccessibleChildCount(); i1++ )
+        if( isAccessibleChildSelected(i1) )
+        {
+            if( i2 == nSelectedChildIndex )
+                return getAccessibleChild( i1 );
+            i2++;
+        }
+    return uno::Reference<XAccessible>();
+}
+
+void SAL_CALL SwAccessibleTextFrame::deselectAccessibleChild( sal_Int32 )
+{
+    SAL_WARN("sw.a11y", "<SwAccessibleTextFrame::selectAllAccessibleChildren( sal_Int32 )> - missing implementation");
+}
+
+// #i73249#
+OUString SAL_CALL SwAccessibleTextFrame::getAccessibleName()
+{
+    SolarMutexGuard aGuard;
+
+    ThrowIfDisposed();
+
+    if ( !msTitle.isEmpty() )
+    {
+        return msTitle;
+    }
+
+    return SwAccessibleFrameBase::getAccessibleName();
+}
+
+OUString SAL_CALL SwAccessibleTextFrame::getAccessibleDescription()
+{
+    SolarMutexGuard aGuard;
+
+    ThrowIfDisposed();
+
+    return msDesc;
+
+}
+
+OUString SAL_CALL SwAccessibleTextFrame::getImplementationName()
+{
+    return "com.sun.star.comp.Writer.SwAccessibleTextFrameView";
+}
+
+sal_Bool SAL_CALL SwAccessibleTextFrame::supportsService(const OUString& sTestServiceName)
+{
+    return cppu::supportsService(this, sTestServiceName);
+}
+
+uno::Sequence< OUString > SAL_CALL SwAccessibleTextFrame::getSupportedServiceNames()
+{
+    return { "com.sun.star.text.AccessibleTextFrameView", sAccessibleServiceName };
+}
+
+uno::Sequence< sal_Int8 > SAL_CALL SwAccessibleTextFrame::getImplementationId()
+{
+    return css::uno::Sequence<sal_Int8>();
+}
+
+// XAccessibleRelationSet
+
+SwFlyFrame* SwAccessibleTextFrame::getFlyFrame() const
+{
+    SwFlyFrame* pFlyFrame = nullptr;
+
+    const SwFrame* pFrame = GetFrame();
+    assert(pFrame);
+    if( pFrame->IsFlyFrame() )
+    {
+        pFlyFrame = static_cast<SwFlyFrame*>( const_cast<SwFrame*>( pFrame ) );
+    }
+
+    return pFlyFrame;
+}
+
+AccessibleRelation SwAccessibleTextFrame::makeRelation( sal_Int16 nType, const SwFlyFrame* pFrame )
+{
+    uno::Sequence<uno::Reference<XInterface> > aSequence { GetMap()->GetContext( pFrame ) };
+    return AccessibleRelation( nType, aSequence );
+}
+
+uno::Reference<XAccessibleRelationSet> SAL_CALL SwAccessibleTextFrame::getAccessibleRelationSet( )
+{
+    SolarMutexGuard aGuard;
+
+    ThrowIfDisposed();
+
+    // get the frame, and insert prev/next relations into helper
+
+    rtl::Reference<AccessibleRelationSetHelper> pHelper = new AccessibleRelationSetHelper();
+
+    SwFlyFrame* pFlyFrame = getFlyFrame();
+    assert(pFlyFrame);
+
+    const SwFlyFrame* pPrevFrame = pFlyFrame->GetPrevLink();
+    if( pPrevFrame != nullptr )
+        pHelper->AddRelation( makeRelation(
+            AccessibleRelationType::CONTENT_FLOWS_FROM, pPrevFrame ) );
+
+    const SwFlyFrame* pNextFrame = pFlyFrame->GetNextLink();
+    if( pNextFrame != nullptr )
+        pHelper->AddRelation( makeRelation(
+            AccessibleRelationType::CONTENT_FLOWS_TO, pNextFrame ) );
+
+    return pHelper;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */