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Diffstat (limited to 'accessibility/source/standard/vclxaccessiblescrollbar.cxx')
| -rw-r--r-- | accessibility/source/standard/vclxaccessiblescrollbar.cxx | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/accessibility/source/standard/vclxaccessiblescrollbar.cxx b/accessibility/source/standard/vclxaccessiblescrollbar.cxx new file mode 100644 index 000000000..9ddb5e12a --- /dev/null +++ b/accessibility/source/standard/vclxaccessiblescrollbar.cxx @@ -0,0 +1,272 @@ +/* -*- 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 <standard/vclxaccessiblescrollbar.hxx> + +#include <toolkit/awt/vclxwindows.hxx> +#include <helper/accresmgr.hxx> +#include <strings.hrc> + +#include <unotools/accessiblestatesethelper.hxx> +#include <com/sun/star/accessibility/AccessibleStateType.hpp> +#include <com/sun/star/accessibility/AccessibleEventId.hpp> +#include <com/sun/star/awt/ScrollBarOrientation.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> +#include <vcl/scrbar.hxx> +#include <vcl/vclevent.hxx> +#include <strings.hxx> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::awt; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::beans; +using namespace ::com::sun::star::accessibility; +using namespace ::comphelper; + + +// VCLXAccessibleScrollBar + + +void VCLXAccessibleScrollBar::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent ) +{ + switch ( rVclWindowEvent.GetId() ) + { + case VclEventId::ScrollbarScroll: + { + NotifyAccessibleEvent( AccessibleEventId::VALUE_CHANGED, Any(), Any() ); + } + break; + default: + VCLXAccessibleComponent::ProcessWindowEvent( rVclWindowEvent ); + } +} + + +void VCLXAccessibleScrollBar::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet ) +{ + VCLXAccessibleComponent::FillAccessibleStateSet( rStateSet ); + + VCLXScrollBar* pVCLXScrollBar = static_cast< VCLXScrollBar* >( GetVCLXWindow() ); + if ( pVCLXScrollBar ) + { + // IA2 CWS: scroll bar should not have FOCUSABLE state. + // rStateSet.AddState( AccessibleStateType::FOCUSABLE ); + if ( pVCLXScrollBar->getOrientation() == ScrollBarOrientation::HORIZONTAL ) + rStateSet.AddState( AccessibleStateType::HORIZONTAL ); + else if ( pVCLXScrollBar->getOrientation() == ScrollBarOrientation::VERTICAL ) + rStateSet.AddState( AccessibleStateType::VERTICAL ); + } +} + + +// XInterface + + +IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleScrollBar, VCLXAccessibleComponent, VCLXAccessibleScrollBar_BASE ) + + +// XTypeProvider + + +IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleScrollBar, VCLXAccessibleComponent, VCLXAccessibleScrollBar_BASE ) + + +// XServiceInfo + + +OUString VCLXAccessibleScrollBar::getImplementationName() +{ + return "com.sun.star.comp.toolkit.AccessibleScrollBar"; +} + + +Sequence< OUString > VCLXAccessibleScrollBar::getSupportedServiceNames() +{ + return { "com.sun.star.awt.AccessibleScrollBar" }; +} + + +// XAccessibleAction + +constexpr sal_Int32 ACCESSIBLE_ACTION_COUNT=4; + +sal_Int32 VCLXAccessibleScrollBar::getAccessibleActionCount( ) +{ + OExternalLockGuard aGuard( this ); + + return ACCESSIBLE_ACTION_COUNT; +} + + +sal_Bool VCLXAccessibleScrollBar::doAccessibleAction ( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + if ( nIndex < 0 || nIndex >= ACCESSIBLE_ACTION_COUNT ) + throw IndexOutOfBoundsException(); + + bool bReturn = false; + VclPtr< ScrollBar > pScrollBar = GetAs< ScrollBar >(); + if ( pScrollBar ) + { + ScrollType eScrollType; + switch ( nIndex ) + { + case 0: eScrollType = ScrollType::LineUp; break; + case 1: eScrollType = ScrollType::LineDown; break; + case 2: eScrollType = ScrollType::PageUp; break; + case 3: eScrollType = ScrollType::PageDown; break; + default: eScrollType = ScrollType::DontKnow; break; + } + if ( pScrollBar->DoScrollAction( eScrollType ) ) + bReturn = true; + } + + return bReturn; +} + + +OUString VCLXAccessibleScrollBar::getAccessibleActionDescription ( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + if ( nIndex < 0 || nIndex >= ACCESSIBLE_ACTION_COUNT ) + throw IndexOutOfBoundsException(); + + OUString sDescription; + + switch ( nIndex ) + { + case 0: sDescription = OUString(RID_STR_ACC_ACTION_DECLINE); break; + case 1: sDescription = OUString(RID_STR_ACC_ACTION_INCLINE); break; + case 2: sDescription = OUString(RID_STR_ACC_ACTION_DECBLOCK); break; + case 3: sDescription = OUString(RID_STR_ACC_ACTION_INCBLOCK); break; + default: break; + } + + return sDescription; +} + + +Reference< XAccessibleKeyBinding > VCLXAccessibleScrollBar::getAccessibleActionKeyBinding( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + if ( nIndex < 0 || nIndex >= ACCESSIBLE_ACTION_COUNT ) + throw IndexOutOfBoundsException(); + + return Reference< XAccessibleKeyBinding >(); +} + + +// XAccessibleValue + + +Any VCLXAccessibleScrollBar::getCurrentValue( ) +{ + OExternalLockGuard aGuard( this ); + + Any aValue; + + VCLXScrollBar* pVCLXScrollBar = static_cast< VCLXScrollBar* >( GetVCLXWindow() ); + if ( pVCLXScrollBar ) + aValue <<= pVCLXScrollBar->getValue(); + + return aValue; +} + + +sal_Bool VCLXAccessibleScrollBar::setCurrentValue( const Any& aNumber ) +{ + OExternalLockGuard aGuard( this ); + + bool bReturn = false; + + VCLXScrollBar* pVCLXScrollBar = static_cast< VCLXScrollBar* >( GetVCLXWindow() ); + if ( pVCLXScrollBar ) + { + sal_Int32 nValue = 0, nValueMin = 0, nValueMax = 0; + OSL_VERIFY( aNumber >>= nValue ); + OSL_VERIFY( getMinimumValue() >>= nValueMin ); + OSL_VERIFY( getMaximumValue() >>= nValueMax ); + + if ( nValue < nValueMin ) + nValue = nValueMin; + else if ( nValue > nValueMax ) + nValue = nValueMax; + + pVCLXScrollBar->setValue( nValue ); + bReturn = true; + } + + return bReturn; +} + + +Any VCLXAccessibleScrollBar::getMaximumValue( ) +{ + OExternalLockGuard aGuard( this ); + + Any aValue; + + VCLXScrollBar* pVCLXScrollBar = static_cast< VCLXScrollBar* >( GetVCLXWindow() ); + if ( pVCLXScrollBar ) + aValue <<= pVCLXScrollBar->getMaximum(); + + return aValue; +} + + +Any VCLXAccessibleScrollBar::getMinimumValue( ) +{ + OExternalLockGuard aGuard( this ); + + Any aValue; + aValue <<= sal_Int32(0); + + return aValue; +} + +Any VCLXAccessibleScrollBar::getMinimumIncrement( ) +{ + OExternalLockGuard aGuard( this ); + + return Any(); +} + + +OUString VCLXAccessibleScrollBar::getAccessibleName( ) +{ + OExternalLockGuard aGuard( this ); + + OUString aName; + VCLXScrollBar* pVCLXScrollBar = static_cast< VCLXScrollBar* >( GetVCLXWindow() ); + if ( pVCLXScrollBar ) + { + if ( pVCLXScrollBar->getOrientation() == ScrollBarOrientation::HORIZONTAL ) + aName = AccResId( RID_STR_ACC_SCROLLBAR_NAME_HORIZONTAL ); + else if ( pVCLXScrollBar->getOrientation() == ScrollBarOrientation::VERTICAL ) + aName = AccResId( RID_STR_ACC_SCROLLBAR_NAME_VERTICAL ); + } + return aName; +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |