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| -rw-r--r-- | chart2/source/controller/accessibility/AccessibleChartElement.cxx | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/chart2/source/controller/accessibility/AccessibleChartElement.cxx b/chart2/source/controller/accessibility/AccessibleChartElement.cxx new file mode 100644 index 000000000..d89a5d027 --- /dev/null +++ b/chart2/source/controller/accessibility/AccessibleChartElement.cxx @@ -0,0 +1,243 @@ +/* -*- 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 "AccessibleChartElement.hxx" +#include <CharacterProperties.hxx> +#include <ChartModel.hxx> +#include <ObjectIdentifier.hxx> +#include <ObjectNameProvider.hxx> +#include <servicenames.hxx> + +#include <com/sun/star/awt/XDevice.hpp> +#include <com/sun/star/chart2/XTitle.hpp> +#include <com/sun/star/beans/XMultiPropertySet.hpp> +#include <com/sun/star/accessibility/AccessibleStateType.hpp> +#include <com/sun/star/lang/XInitialization.hpp> +#include <com/sun/star/lang/XMultiServiceFactory.hpp> +#include <com/sun/star/view/XSelectionSupplier.hpp> + +#include <tools/diagnose_ex.h> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::accessibility; + +using ::com::sun::star::uno::UNO_QUERY; +using ::com::sun::star::uno::Reference; +using ::com::sun::star::uno::Sequence; + +namespace chart +{ + +AccessibleChartElement::AccessibleChartElement( + const AccessibleElementInfo & rAccInfo, + bool bMayHaveChildren ) : + impl::AccessibleChartElement_Base( rAccInfo, bMayHaveChildren, false/*bAlwaysTransparent*/ ), + m_bHasText( false ) +{ + AddState( AccessibleStateType::TRANSIENT ); +} + +AccessibleChartElement::~AccessibleChartElement() +{ + OSL_ASSERT( CheckDisposeState( false /* don't throw exceptions */ ) ); +} + +// ________ protected ________ + +bool AccessibleChartElement::ImplUpdateChildren() +{ + bool bResult = false; + Reference< chart2::XTitle > xTitle( + ObjectIdentifier::getObjectPropertySet( + GetInfo().m_aOID.getObjectCID(), GetInfo().m_xChartDocument ), + uno::UNO_QUERY ); + m_bHasText = xTitle.is(); + + if( m_bHasText ) + { + InitTextEdit(); + bResult = true; + } + else + bResult = AccessibleBase::ImplUpdateChildren(); + + return bResult; +} + +void AccessibleChartElement::InitTextEdit() +{ + if( ! m_xTextHelper.is()) + { + // get hard reference + Reference< view::XSelectionSupplier > xSelSupp( GetInfo().m_xSelectionSupplier ); + // get factory from selection supplier (controller) + Reference< lang::XMultiServiceFactory > xFact( xSelSupp, uno::UNO_QUERY ); + if( xFact.is()) + { + m_xTextHelper.set( + xFact->createInstance( CHART_ACCESSIBLE_TEXT_SERVICE_NAME ), uno::UNO_QUERY ); + } + } + + if( !m_xTextHelper.is()) + return; + + try + { + Reference< lang::XInitialization > xInit( m_xTextHelper, uno::UNO_QUERY_THROW ); + Sequence< uno::Any > aArgs{ uno::Any(GetInfo().m_aOID.getObjectCID()), + uno::Any(Reference< XAccessible >( this )), + uno::Any(Reference< awt::XWindow >( GetInfo().m_xWindow )) }; + xInit->initialize( aArgs ); + } + catch( const uno::Exception & ) + { + DBG_UNHANDLED_EXCEPTION("chart2"); + } +} + +// Interfaces + +// ________ AccessibleBase::XAccessibleContext ________ +Reference< XAccessible > AccessibleChartElement::ImplGetAccessibleChildById( sal_Int32 i ) const +{ + Reference< XAccessible > xResult; + + if( m_bHasText ) + xResult.set( m_xTextHelper->getAccessibleChild( i )); + else + xResult.set( AccessibleBase::ImplGetAccessibleChildById( i )); + + return xResult; +} + +sal_Int32 AccessibleChartElement::ImplGetAccessibleChildCount() const +{ + if( m_bHasText ) + { + if( m_xTextHelper.is()) + return m_xTextHelper->getAccessibleChildCount(); + return 0; + } + + return AccessibleBase::ImplGetAccessibleChildCount(); +} + +// ________ XServiceInfo ________ +OUString SAL_CALL AccessibleChartElement::getImplementationName() +{ + return "AccessibleChartElement"; +} + +// ________ AccessibleChartElement::XAccessibleContext (override) ________ +OUString SAL_CALL AccessibleChartElement::getAccessibleName() +{ + return ObjectNameProvider::getNameForCID( + GetInfo().m_aOID.getObjectCID(), GetInfo().m_xChartDocument ); +} + +// ________ AccessibleChartElement::XAccessibleContext (override) ________ +OUString SAL_CALL AccessibleChartElement::getAccessibleDescription() +{ + return getToolTipText(); +} + +// ________ AccessibleChartElement::XAccessibleExtendedComponent ________ +Reference< awt::XFont > SAL_CALL AccessibleChartElement::getFont() +{ + CheckDisposeState(); + + Reference< awt::XFont > xFont; + Reference< awt::XDevice > xDevice( Reference< awt::XWindow >( GetInfo().m_xWindow ), uno::UNO_QUERY ); + + if( xDevice.is()) + { + Reference< beans::XMultiPropertySet > xObjProp( + ObjectIdentifier::getObjectPropertySet( + GetInfo().m_aOID.getObjectCID(), GetInfo().m_xChartDocument ), uno::UNO_QUERY ); + awt::FontDescriptor aDescr( + CharacterProperties::createFontDescriptorFromPropertySet( xObjProp )); + xFont = xDevice->getFont( aDescr ); + } + + return xFont; +} + +OUString SAL_CALL AccessibleChartElement::getTitledBorderText() +{ + return OUString(); +} + +OUString SAL_CALL AccessibleChartElement::getToolTipText() +{ + CheckDisposeState(); + + return ObjectNameProvider::getHelpText( + GetInfo().m_aOID.getObjectCID(), GetInfo().m_xChartDocument ); +} + +// ________ XAccessibleComponent ________ +sal_Bool SAL_CALL AccessibleChartElement::containsPoint( const awt::Point& aPoint ) +{ + return AccessibleBase::containsPoint( aPoint ); +} + +Reference< XAccessible > SAL_CALL AccessibleChartElement::getAccessibleAtPoint( const awt::Point& aPoint ) +{ + return AccessibleBase::getAccessibleAtPoint( aPoint ); +} + +awt::Rectangle SAL_CALL AccessibleChartElement::getBounds() +{ + return AccessibleBase::getBounds(); +} + +awt::Point SAL_CALL AccessibleChartElement::getLocation() +{ + return AccessibleBase::getLocation(); +} + +awt::Point SAL_CALL AccessibleChartElement::getLocationOnScreen() +{ + return AccessibleBase::getLocationOnScreen(); +} + +awt::Size SAL_CALL AccessibleChartElement::getSize() +{ + return AccessibleBase::getSize(); +} + +void SAL_CALL AccessibleChartElement::grabFocus() +{ + return AccessibleBase::grabFocus(); +} + +sal_Int32 SAL_CALL AccessibleChartElement::getForeground() +{ + return AccessibleBase::getForeground(); +} + +sal_Int32 SAL_CALL AccessibleChartElement::getBackground() +{ + return AccessibleBase::getBackground(); +} + +} // namespace chart + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |