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Diffstat (limited to 'sc/source/ui/Accessibility/AccessiblePageHeaderArea.cxx')
| -rw-r--r-- | sc/source/ui/Accessibility/AccessiblePageHeaderArea.cxx | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/sc/source/ui/Accessibility/AccessiblePageHeaderArea.cxx b/sc/source/ui/Accessibility/AccessiblePageHeaderArea.cxx new file mode 100644 index 000000000..9ea60780b --- /dev/null +++ b/sc/source/ui/Accessibility/AccessiblePageHeaderArea.cxx @@ -0,0 +1,279 @@ +/* -*- 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 <AccessiblePageHeaderArea.hxx> +#include <AccessibleText.hxx> +#include <editsrc.hxx> +#include <prevwsh.hxx> +#include <scresid.hxx> +#include <strings.hrc> +#include <strings.hxx> + +#include <com/sun/star/accessibility/AccessibleRole.hpp> +#include <com/sun/star/accessibility/AccessibleStateType.hpp> +#include <com/sun/star/accessibility/AccessibleEventId.hpp> +#include <comphelper/sequence.hxx> +#include <editeng/editobj.hxx> +#include <svx/AccessibleTextHelper.hxx> +#include <unotools/accessiblestatesethelper.hxx> +#include <toolkit/helper/convert.hxx> +#include <vcl/svapp.hxx> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::accessibility; + + //===== internal ======================================================== + +ScAccessiblePageHeaderArea::ScAccessiblePageHeaderArea( + const uno::Reference<XAccessible>& rxParent, + ScPreviewShell* pViewShell, + const EditTextObject* pEditObj, + SvxAdjust eAdjust) + : ScAccessibleContextBase(rxParent, AccessibleRole::TEXT), + mpEditObj(pEditObj->Clone()), + mpViewShell(pViewShell), + meAdjust(eAdjust) +{ + if (mpViewShell) + mpViewShell->AddAccessibilityObject(*this); +} + +ScAccessiblePageHeaderArea::~ScAccessiblePageHeaderArea() +{ + if (!ScAccessibleContextBase::IsDefunc() && !rBHelper.bInDispose) + { + // increment refcount to prevent double call off dtor + osl_atomic_increment( &m_refCount ); + dispose(); + } +} + +void SAL_CALL ScAccessiblePageHeaderArea::disposing() +{ + SolarMutexGuard aGuard; + if (mpViewShell) + { + mpViewShell->RemoveAccessibilityObject(*this); + mpViewShell = nullptr; + } + mpTextHelper.reset(); + mpEditObj.reset(); + ScAccessibleContextBase::disposing(); +} + +//===== SfxListener ===================================================== + +void ScAccessiblePageHeaderArea::Notify( SfxBroadcaster& rBC, const SfxHint& rHint ) +{ + // only notify if child exist, otherwise it is not necessary + if (rHint.GetId() == SfxHintId::ScAccVisAreaChanged) + { + if (mpTextHelper) + mpTextHelper->UpdateChildren(); + + AccessibleEventObject aEvent; + aEvent.EventId = AccessibleEventId::VISIBLE_DATA_CHANGED; + aEvent.Source = uno::Reference< XAccessibleContext >(this); + CommitChange(aEvent); + } + ScAccessibleContextBase::Notify(rBC, rHint); +} + //===== XAccessibleComponent ============================================ + +uno::Reference< XAccessible > SAL_CALL ScAccessiblePageHeaderArea::getAccessibleAtPoint( + const awt::Point& rPoint ) +{ + uno::Reference<XAccessible> xRet; + if (containsPoint(rPoint)) + { + SolarMutexGuard aGuard; + IsObjectValid(); + + if(!mpTextHelper) + CreateTextHelper(); + + xRet = mpTextHelper->GetAt(rPoint); + } + + return xRet; +} + + //===== XAccessibleContext ============================================== + +sal_Int32 SAL_CALL + ScAccessiblePageHeaderArea::getAccessibleChildCount() +{ + SolarMutexGuard aGuard; + IsObjectValid(); + if (!mpTextHelper) + CreateTextHelper(); + return mpTextHelper->GetChildCount(); +} + +uno::Reference< XAccessible > SAL_CALL + ScAccessiblePageHeaderArea::getAccessibleChild(sal_Int32 nIndex) +{ + SolarMutexGuard aGuard; + IsObjectValid(); + if (!mpTextHelper) + CreateTextHelper(); + return mpTextHelper->GetChild(nIndex); +} + +uno::Reference<XAccessibleStateSet> SAL_CALL + ScAccessiblePageHeaderArea::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()) + pStateSet->AddState(AccessibleStateType::DEFUNC); + else + { + pStateSet->AddState(AccessibleStateType::ENABLED); + pStateSet->AddState(AccessibleStateType::MULTI_LINE); + if (isShowing()) + pStateSet->AddState(AccessibleStateType::SHOWING); + if (isVisible()) + pStateSet->AddState(AccessibleStateType::VISIBLE); + } + return pStateSet; +} + +// XServiceInfo + +OUString SAL_CALL + ScAccessiblePageHeaderArea::getImplementationName() +{ + return "ScAccessiblePageHeaderArea"; +} + +uno::Sequence< OUString> SAL_CALL + ScAccessiblePageHeaderArea::getSupportedServiceNames() +{ + const css::uno::Sequence<OUString> vals { "com.sun.star.sheet.AccessiblePageHeaderFooterAreasView" }; + return comphelper::concatSequences(ScAccessibleContextBase::getSupportedServiceNames(), vals); +} + +//===== XTypeProvider ======================================================= + +uno::Sequence<sal_Int8> SAL_CALL + ScAccessiblePageHeaderArea::getImplementationId() +{ + return css::uno::Sequence<sal_Int8>(); +} + +//===== internal ============================================================== +OUString ScAccessiblePageHeaderArea::createAccessibleDescription() +{ + OUString sDesc; + switch (meAdjust) + { + case SvxAdjust::Left : + sDesc = STR_ACC_LEFTAREA_DESCR; + break; + case SvxAdjust::Right: + sDesc = STR_ACC_RIGHTAREA_DESCR; + break; + case SvxAdjust::Center: + sDesc = STR_ACC_CENTERAREA_DESCR; + break; + default: + OSL_FAIL("wrong adjustment found"); + } + + return sDesc; +} + +OUString ScAccessiblePageHeaderArea::createAccessibleName() +{ + OUString sName; + switch (meAdjust) + { + case SvxAdjust::Left : + sName = ScResId(STR_ACC_LEFTAREA_NAME); + break; + case SvxAdjust::Right: + sName = ScResId(STR_ACC_RIGHTAREA_NAME); + break; + case SvxAdjust::Center: + sName = ScResId(STR_ACC_CENTERAREA_NAME); + break; + default: + OSL_FAIL("wrong adjustment found"); + } + + return sName; +} + +tools::Rectangle ScAccessiblePageHeaderArea::GetBoundingBoxOnScreen() const +{ + tools::Rectangle aRect; + if (mxParent.is()) + { + uno::Reference<XAccessibleContext> xContext = mxParent->getAccessibleContext(); + uno::Reference<XAccessibleComponent> xComp(xContext, uno::UNO_QUERY); + if (xComp.is()) + { + // has the same size and position on screen like the parent + aRect = tools::Rectangle(VCLPoint(xComp->getLocationOnScreen()), VCLRectangle(xComp->getBounds()).GetSize()); + } + } + return aRect; +} + +tools::Rectangle ScAccessiblePageHeaderArea::GetBoundingBox() const +{ + tools::Rectangle aRect; + if (mxParent.is()) + { + uno::Reference<XAccessibleContext> xContext = mxParent->getAccessibleContext(); + uno::Reference<XAccessibleComponent> xComp(xContext, uno::UNO_QUERY); + if (xComp.is()) + { + // has the same size and position on screen like the parent and so the pos is (0, 0) + tools::Rectangle aNewRect(Point(0, 0), VCLRectangle(xComp->getBounds()).GetSize()); + aRect = aNewRect; + } + } + + return aRect; +} + +void ScAccessiblePageHeaderArea::CreateTextHelper() +{ + if (!mpTextHelper) + { + mpTextHelper.reset( new ::accessibility::AccessibleTextHelper( + std::make_unique<ScAccessibilityEditSource>( + std::make_unique<ScAccessibleHeaderTextData>( + mpViewShell, mpEditObj.get(), meAdjust))) ); + mpTextHelper->SetEventSource(this); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |