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, 404 insertions, 0 deletions

diff --git a/sc/source/ui/Accessibility/AccessiblePreviewHeaderCell.cxx b/sc/source/ui/Accessibility/AccessiblePreviewHeaderCell.cxx
new file mode 100644
index 000000000..1bda4744a
--- /dev/null
+++ b/sc/source/ui/Accessibility/AccessiblePreviewHeaderCell.cxx
@@ -0,0 +1,404 @@
+/* -*- 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 <sal/config.h>
+
+#include <tools/gen.hxx>
+#include <AccessibleText.hxx>
+#include <editsrc.hxx>
+#include <svx/AccessibleTextHelper.hxx>
+#include <AccessiblePreviewHeaderCell.hxx>
+#include <prevwsh.hxx>
+#include <prevloc.hxx>
+#include <strings.hxx>
+
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/AccessibleStateType.hpp>
+#include <comphelper/sequence.hxx>
+
+#include <vcl/window.hxx>
+#include <vcl/svapp.hxx>
+#include <svl/hint.hxx>
+#include <unotools/accessiblestatesethelper.hxx>
+#include <toolkit/helper/convert.hxx>
+
+#ifdef indices
+#undef indices
+#endif
+
+#ifdef extents
+#undef extents
+#endif
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::accessibility;
+
+//=====  internal  ============================================================
+
+ScAccessiblePreviewHeaderCell::ScAccessiblePreviewHeaderCell( const css::uno::Reference<css::accessibility::XAccessible>& rxParent,
+                            ScPreviewShell* pViewShell,
+                            const ScAddress& rCellPos, bool bIsColHdr, bool bIsRowHdr,
+                            sal_Int32 nIndex ) :
+    ScAccessibleContextBase( rxParent, AccessibleRole::TABLE_CELL ),
+    mpViewShell( pViewShell ),
+    mnIndex( nIndex ),
+    maCellPos( rCellPos ),
+    mbColumnHeader( bIsColHdr ),
+    mbRowHeader( bIsRowHdr )
+{
+    if (mpViewShell)
+        mpViewShell->AddAccessibilityObject(*this);
+}
+
+ScAccessiblePreviewHeaderCell::~ScAccessiblePreviewHeaderCell()
+{
+    if (mpViewShell)
+        mpViewShell->RemoveAccessibilityObject(*this);
+}
+
+void SAL_CALL ScAccessiblePreviewHeaderCell::disposing()
+{
+    SolarMutexGuard aGuard;
+    if (mpViewShell)
+    {
+        mpViewShell->RemoveAccessibilityObject(*this);
+        mpViewShell = nullptr;
+    }
+
+    mpTableInfo.reset();
+
+    ScAccessibleContextBase::disposing();
+}
+
+//=====  SfxListener  =====================================================
+
+void ScAccessiblePreviewHeaderCell::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
+{
+    const SfxHintId nId = rHint.GetId();
+    if (nId == SfxHintId::ScAccVisAreaChanged)
+    {
+        if (mxTextHelper)
+            mxTextHelper->UpdateChildren();
+    }
+    else if ( nId == SfxHintId::DataChanged )
+    {
+        //  column / row layout may change with any document change,
+        //  so it must be invalidated
+        mpTableInfo.reset();
+    }
+
+    ScAccessibleContextBase::Notify(rBC, rHint);
+}
+
+//=====  XInterface  =====================================================
+
+uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::queryInterface( uno::Type const & rType )
+{
+    uno::Any aAny (ScAccessiblePreviewHeaderCellImpl::queryInterface(rType));
+    return aAny.hasValue() ? aAny : ScAccessibleContextBase::queryInterface(rType);
+}
+
+void SAL_CALL ScAccessiblePreviewHeaderCell::acquire()
+    noexcept
+{
+    ScAccessibleContextBase::acquire();
+}
+
+void SAL_CALL ScAccessiblePreviewHeaderCell::release()
+    noexcept
+{
+    ScAccessibleContextBase::release();
+}
+
+//=====  XAccessibleValue  ================================================
+
+uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::getCurrentValue()
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    double fValue(0.0);
+    if (mbColumnHeader)
+        fValue = maCellPos.Col();
+    else
+        fValue = maCellPos.Row();
+
+    return uno::Any(fValue);
+}
+
+sal_Bool SAL_CALL ScAccessiblePreviewHeaderCell::setCurrentValue( const uno::Any& /* aNumber */ )
+{
+    //  it is not possible to set a value
+    return false;
+}
+
+uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::getMaximumValue()
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+
+    double fValue(0.0);
+    ScDocument& rDoc = mpViewShell->GetDocument();
+    if (mbColumnHeader)
+        fValue = rDoc.MaxCol();
+    else
+        fValue = rDoc.MaxRow();
+    return uno::Any(fValue);
+}
+
+uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::getMinimumValue()
+{
+    return uno::Any(0.0);
+}
+
+uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::getMinimumIncrement()
+{
+    // value can't be changed, s. 'setCurrentValue'
+    return uno::Any();
+}
+
+//=====  XAccessibleComponent  ============================================
+
+uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleAtPoint( const awt::Point& rPoint )
+{
+    uno::Reference<XAccessible> xRet;
+    if (containsPoint(rPoint))
+    {
+        SolarMutexGuard aGuard;
+        IsObjectValid();
+
+        if(!mxTextHelper)
+            CreateTextHelper();
+
+        xRet = mxTextHelper->GetAt(rPoint);
+    }
+
+    return xRet;
+}
+
+void SAL_CALL ScAccessiblePreviewHeaderCell::grabFocus()
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+    if (getAccessibleParent().is())
+    {
+        uno::Reference<XAccessibleComponent> xAccessibleComponent(getAccessibleParent()->getAccessibleContext(), uno::UNO_QUERY);
+        if (xAccessibleComponent.is())
+            xAccessibleComponent->grabFocus();
+    }
+}
+
+//=====  XAccessibleContext  ==============================================
+
+sal_Int32 SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleChildCount()
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+    if (!mxTextHelper)
+        CreateTextHelper();
+    return mxTextHelper->GetChildCount();
+}
+
+uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleChild(sal_Int32 nIndex)
+{
+    SolarMutexGuard aGuard;
+    IsObjectValid();
+    if (!mxTextHelper)
+        CreateTextHelper();
+    return mxTextHelper->GetChild(nIndex);
+}
+
+sal_Int32 SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleIndexInParent()
+{
+    return mnIndex;
+}
+
+uno::Reference<XAccessibleStateSet> SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleStateSet()
+{
+    SolarMutexGuard aGuard;
+
+    uno::Reference<XAccessibleStateSet> xParentStates;
+    if (getAccessibleParent().is())
+    {
+        uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
+        xParentStates = xParentContext->getAccessibleStateSet();
+    }
+    rtl::Reference<utl::AccessibleStateSetHelper> pStateSet = new utl::AccessibleStateSetHelper();
+    if (IsDefunc(xParentStates))
+        pStateSet->AddState(AccessibleStateType::DEFUNC);
+    else
+    {
+        pStateSet->AddState(AccessibleStateType::ENABLED);
+        pStateSet->AddState(AccessibleStateType::MULTI_LINE);
+        if (isShowing())
+            pStateSet->AddState(AccessibleStateType::SHOWING);
+        pStateSet->AddState(AccessibleStateType::TRANSIENT);
+        if (isVisible())
+            pStateSet->AddState(AccessibleStateType::VISIBLE);
+    }
+    return pStateSet;
+}
+
+//=====  XServiceInfo  ====================================================
+
+OUString SAL_CALL ScAccessiblePreviewHeaderCell::getImplementationName()
+{
+    return "ScAccessiblePreviewHeaderCell";
+}
+
+uno::Sequence<OUString> SAL_CALL ScAccessiblePreviewHeaderCell::getSupportedServiceNames()
+{
+    const css::uno::Sequence<OUString> vals { "com.sun.star.table.AccessibleCellView" };
+    return comphelper::concatSequences(ScAccessibleContextBase::getSupportedServiceNames(), vals);
+}
+
+//=====  XTypeProvider  =======================================================
+
+uno::Sequence< uno::Type > SAL_CALL ScAccessiblePreviewHeaderCell::getTypes()
+{
+    return comphelper::concatSequences(ScAccessiblePreviewHeaderCellImpl::getTypes(), ScAccessibleContextBase::getTypes());
+}
+
+uno::Sequence<sal_Int8> SAL_CALL
+    ScAccessiblePreviewHeaderCell::getImplementationId()
+{
+    return css::uno::Sequence<sal_Int8>();
+}
+
+//====  internal  =========================================================
+
+tools::Rectangle ScAccessiblePreviewHeaderCell::GetBoundingBoxOnScreen() const
+{
+    tools::Rectangle aCellRect;
+
+    FillTableInfo();
+
+    if (mpTableInfo)
+    {
+        const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[maCellPos.Col()];
+        const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[maCellPos.Row()];
+
+        aCellRect = tools::Rectangle( rColInfo.nPixelStart, rRowInfo.nPixelStart, rColInfo.nPixelEnd, rRowInfo.nPixelEnd );
+    }
+
+    if (mpViewShell)
+    {
+        vcl::Window* pWindow = mpViewShell->GetWindow();
+        if (pWindow)
+        {
+            tools::Rectangle aRect = pWindow->GetWindowExtentsRelative(nullptr);
+            aCellRect.Move(aRect.Left(), aRect.Top());
+        }
+    }
+    return aCellRect;
+}
+
+tools::Rectangle ScAccessiblePreviewHeaderCell::GetBoundingBox() const
+{
+    FillTableInfo();
+
+    if (mpTableInfo)
+    {
+        const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[maCellPos.Col()];
+        const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[maCellPos.Row()];
+
+        tools::Rectangle aCellRect( rColInfo.nPixelStart, rRowInfo.nPixelStart, rColInfo.nPixelEnd, rRowInfo.nPixelEnd );
+        uno::Reference<XAccessible> xAccParent = const_cast<ScAccessiblePreviewHeaderCell*>(this)->getAccessibleParent();
+        if (xAccParent.is())
+        {
+            uno::Reference<XAccessibleContext> xAccParentContext = xAccParent->getAccessibleContext();
+            uno::Reference<XAccessibleComponent> xAccParentComp (xAccParentContext, uno::UNO_QUERY);
+            if (xAccParentComp.is())
+            {
+                tools::Rectangle aParentRect (VCLRectangle(xAccParentComp->getBounds()));
+                aCellRect.Move(-aParentRect.Left(), -aParentRect.Top());
+            }
+        }
+        return aCellRect;
+    }
+    return tools::Rectangle();
+}
+
+OUString ScAccessiblePreviewHeaderCell::createAccessibleDescription()
+{
+    return STR_ACC_HEADERCELL_DESCR;
+}
+
+OUString ScAccessiblePreviewHeaderCell::createAccessibleName()
+{
+    OUString sName = STR_ACC_HEADERCELL_NAME;
+
+    if ( mbColumnHeader )
+    {
+        if ( mbRowHeader )
+        {
+            //! name for corner cell?
+
+//          sName = "Column/Row Header";
+        }
+        else
+        {
+            // name of column header
+            sName += ScColToAlpha( maCellPos.Col() );
+        }
+    }
+    else
+    {
+        // name of row header
+        sName += OUString::number(  maCellPos.Row() + 1 );
+    }
+
+    return sName;
+}
+
+bool ScAccessiblePreviewHeaderCell::IsDefunc( const uno::Reference<XAccessibleStateSet>& rxParentStates )
+{
+    return ScAccessibleContextBase::IsDefunc() || (mpViewShell == nullptr) || !getAccessibleParent().is() ||
+        (rxParentStates.is() && rxParentStates->contains(AccessibleStateType::DEFUNC));
+}
+
+void ScAccessiblePreviewHeaderCell::CreateTextHelper()
+{
+    if (!mxTextHelper)
+    {
+        mxTextHelper.reset( new ::accessibility::AccessibleTextHelper(
+            std::make_unique<ScAccessibilityEditSource>(
+                std::make_unique<ScAccessiblePreviewHeaderCellTextData>(
+                    mpViewShell, getAccessibleName(), maCellPos,
+                    mbColumnHeader, mbRowHeader))) );
+        mxTextHelper->SetEventSource(this);
+    }
+}
+
+void ScAccessiblePreviewHeaderCell::FillTableInfo() const
+{
+    if ( mpViewShell && !mpTableInfo )
+    {
+        Size aOutputSize;
+        vcl::Window* pWindow = mpViewShell->GetWindow();
+        if ( pWindow )
+            aOutputSize = pWindow->GetOutputSizePixel();
+        tools::Rectangle aVisRect( Point(), aOutputSize );
+
+        mpTableInfo.reset( new ScPreviewTableInfo );
+        mpViewShell->GetLocationData().GetTableInfo( aVisRect, *mpTableInfo );
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */