383 lines
12 KiB
C++
383 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <svtools/accessibleruler.hxx>
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#include <com/sun/star/accessibility/AccessibleRole.hpp>
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#include <com/sun/star/accessibility/AccessibleEventId.hpp>
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#include <unotools/accessiblestatesethelper.hxx>
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#include <com/sun/star/accessibility/AccessibleStateType.hpp>
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#include <com/sun/star/beans/PropertyChangeEvent.hpp>
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#include <com/sun/star/awt/XWindow.hpp>
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#include <comphelper/accessibleeventnotifier.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <cppuhelper/typeprovider.hxx>
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#include <toolkit/helper/vclunohelper.hxx>
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#include <toolkit/helper/convert.hxx>
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#include <vcl/svapp.hxx>
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#include <osl/mutex.hxx>
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#include <rtl/uuid.h>
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#include <tools/gen.hxx>
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#include <svtools/ruler.hxx>
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using namespace ::cppu;
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using namespace ::osl;
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::accessibility;
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//===== internal ============================================================
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SvtRulerAccessible::SvtRulerAccessible(
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const uno::Reference< XAccessible >& rxParent, Ruler& rRepr, const OUString& rName ) :
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SvtRulerAccessible_Base( m_aMutex ),
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msName( rName ),
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mxParent( rxParent ),
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mpRepr( &rRepr ),
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mnClientId( 0 )
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{
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}
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SvtRulerAccessible::~SvtRulerAccessible()
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{
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if( IsAlive() )
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{
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osl_atomic_increment( &m_refCount );
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dispose(); // set mpRepr = NULL & release all children
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}
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}
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//===== XAccessible =========================================================
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uno::Reference< XAccessibleContext > SAL_CALL SvtRulerAccessible::getAccessibleContext() throw( RuntimeException, std::exception )
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{
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return this;
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}
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//===== XAccessibleComponent ================================================
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sal_Bool SAL_CALL SvtRulerAccessible::containsPoint( const awt::Point& rPoint ) throw( RuntimeException, std::exception )
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{
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// no guard -> done in getBounds()
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// return GetBoundingBox().IsInside( VCLPoint( rPoint ) );
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return Rectangle( Point( 0, 0 ), GetBoundingBox().GetSize() ).IsInside( VCLPoint( rPoint ) );
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}
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uno::Reference< XAccessible > SAL_CALL SvtRulerAccessible::getAccessibleAtPoint( const awt::Point& ) throw( RuntimeException, std::exception )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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ThrowExceptionIfNotAlive();
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uno::Reference< XAccessible > xRet;
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return xRet;
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}
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awt::Rectangle SAL_CALL SvtRulerAccessible::getBounds() throw( RuntimeException, std::exception )
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{
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// no guard -> done in GetBoundingBox()
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return AWTRectangle( GetBoundingBox() );
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}
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awt::Point SAL_CALL SvtRulerAccessible::getLocation() throw( RuntimeException, std::exception )
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{
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// no guard -> done in GetBoundingBox()
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return AWTPoint( GetBoundingBox().TopLeft() );
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}
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awt::Point SAL_CALL SvtRulerAccessible::getLocationOnScreen() throw( RuntimeException, std::exception )
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{
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// no guard -> done in GetBoundingBoxOnScreen()
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return AWTPoint( GetBoundingBoxOnScreen().TopLeft() );
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}
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awt::Size SAL_CALL SvtRulerAccessible::getSize() throw( RuntimeException, std::exception )
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{
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// no guard -> done in GetBoundingBox()
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return AWTSize( GetBoundingBox().GetSize() );
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}
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bool SAL_CALL SvtRulerAccessible::isVisible() throw( RuntimeException )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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ThrowExceptionIfNotAlive();
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return mpRepr->IsVisible();
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}
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//===== XAccessibleContext ==================================================
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sal_Int32 SAL_CALL SvtRulerAccessible::getAccessibleChildCount() throw( RuntimeException, std::exception )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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ThrowExceptionIfNotAlive();
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return 0;
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}
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uno::Reference< XAccessible > SAL_CALL SvtRulerAccessible::getAccessibleChild( sal_Int32 )
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throw( RuntimeException, lang::IndexOutOfBoundsException, std::exception )
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{
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uno::Reference< XAccessible > xChild ;
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return xChild;
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}
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uno::Reference< XAccessible > SAL_CALL SvtRulerAccessible::getAccessibleParent() throw( RuntimeException, std::exception )
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{
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return mxParent;
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}
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sal_Int32 SAL_CALL SvtRulerAccessible::getAccessibleIndexInParent() throw( RuntimeException, std::exception )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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// Use a simple but slow solution for now. Optimize later.
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// Iterate over all the parent's children and search for this object.
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if( mxParent.is() )
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{
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uno::Reference< XAccessibleContext > xParentContext( mxParent->getAccessibleContext() );
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if( xParentContext.is() )
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{
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sal_Int32 nChildCount = xParentContext->getAccessibleChildCount();
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for( sal_Int32 i = 0 ; i < nChildCount ; ++i )
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{
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uno::Reference< XAccessible > xChild( xParentContext->getAccessibleChild( i ) );
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if( xChild.get() == static_cast<XAccessible*>(this) )
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return i;
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}
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}
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}
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// Return -1 to indicate that this object's parent does not know about the
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// object.
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return -1;
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}
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sal_Int16 SAL_CALL SvtRulerAccessible::getAccessibleRole() throw( RuntimeException, std::exception )
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{
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return AccessibleRole::RULER;
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}
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OUString SAL_CALL SvtRulerAccessible::getAccessibleDescription() throw( RuntimeException, std::exception )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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return msDescription;
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}
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OUString SAL_CALL SvtRulerAccessible::getAccessibleName() throw( RuntimeException, std::exception )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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return msName;
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}
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/** Return empty uno::Reference to indicate that the relation set is not
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supported.
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*/
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uno::Reference< XAccessibleRelationSet > SAL_CALL SvtRulerAccessible::getAccessibleRelationSet() throw( RuntimeException, std::exception )
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{
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return uno::Reference< XAccessibleRelationSet >();
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}
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uno::Reference< XAccessibleStateSet > SAL_CALL SvtRulerAccessible::getAccessibleStateSet() throw( RuntimeException, std::exception )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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utl::AccessibleStateSetHelper* pStateSetHelper = new utl::AccessibleStateSetHelper;
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if( IsAlive() )
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{
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pStateSetHelper->AddState( AccessibleStateType::ENABLED );
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pStateSetHelper->AddState( AccessibleStateType::SHOWING );
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if( isVisible() )
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pStateSetHelper->AddState( AccessibleStateType::VISIBLE );
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if ( mpRepr->GetStyle() & WB_HORZ )
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pStateSetHelper->AddState( AccessibleStateType::HORIZONTAL );
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else
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pStateSetHelper->AddState( AccessibleStateType::VERTICAL );
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if(pStateSetHelper->contains(AccessibleStateType::FOCUSABLE))
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{
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pStateSetHelper->RemoveState( AccessibleStateType::FOCUSABLE );
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}
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}
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return pStateSetHelper;
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}
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lang::Locale SAL_CALL SvtRulerAccessible::getLocale() throw( IllegalAccessibleComponentStateException, RuntimeException, std::exception )
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if( mxParent.is() )
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{
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uno::Reference< XAccessibleContext > xParentContext( mxParent->getAccessibleContext() );
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if( xParentContext.is() )
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return xParentContext->getLocale();
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}
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// No parent. Therefore throw exception to indicate this cluelessness.
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throw IllegalAccessibleComponentStateException();
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}
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void SAL_CALL SvtRulerAccessible::addAccessibleEventListener( const uno::Reference< XAccessibleEventListener >& xListener )
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throw( RuntimeException, std::exception )
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{
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if (xListener.is())
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{
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::osl::MutexGuard aGuard( m_aMutex );
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if (!mnClientId)
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mnClientId = comphelper::AccessibleEventNotifier::registerClient( );
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comphelper::AccessibleEventNotifier::addEventListener( mnClientId, xListener );
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}
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}
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void SAL_CALL SvtRulerAccessible::removeAccessibleEventListener( const uno::Reference< XAccessibleEventListener >& xListener )
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throw( RuntimeException, std::exception )
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{
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if (xListener.is())
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{
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::osl::MutexGuard aGuard( m_aMutex );
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sal_Int32 nListenerCount = comphelper::AccessibleEventNotifier::removeEventListener( mnClientId, xListener );
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if ( !nListenerCount )
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{
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// no listeners anymore
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// -> revoke ourself. This may lead to the notifier thread dying (if we were the last client),
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// and at least to us not firing any events anymore, in case somebody calls
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// NotifyAccessibleEvent, again
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comphelper::AccessibleEventNotifier::revokeClient( mnClientId );
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mnClientId = 0;
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}
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}
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}
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void SAL_CALL SvtRulerAccessible::grabFocus() throw( RuntimeException, std::exception )
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{
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SolarMutexGuard aSolarGuard;
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::osl::MutexGuard aGuard( m_aMutex );
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ThrowExceptionIfNotAlive();
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mpRepr->GrabFocus();
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}
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sal_Int32 SvtRulerAccessible::getForeground( )
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throw (::com::sun::star::uno::RuntimeException, std::exception)
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{
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SolarMutexGuard aSolarGuard;
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::osl::MutexGuard aGuard( m_aMutex );
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ThrowExceptionIfNotAlive();
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return mpRepr->GetControlForeground().GetColor();
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}
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sal_Int32 SvtRulerAccessible::getBackground( )
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throw (::com::sun::star::uno::RuntimeException, std::exception)
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{
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SolarMutexGuard aSolarGuard;
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::osl::MutexGuard aGuard( m_aMutex );
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ThrowExceptionIfNotAlive();
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return mpRepr->GetControlBackground().GetColor();
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}
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// XServiceInfo
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OUString SAL_CALL SvtRulerAccessible::getImplementationName() throw( RuntimeException, std::exception )
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{
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return OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.ui.SvtRulerAccessible" ) );
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}
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sal_Bool SAL_CALL SvtRulerAccessible::supportsService( const OUString& sServiceName ) throw( RuntimeException, std::exception )
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{
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return cppu::supportsService( this, sServiceName );
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}
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Sequence< OUString > SAL_CALL SvtRulerAccessible::getSupportedServiceNames() throw( RuntimeException, std::exception )
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{
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const OUString sServiceName( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.accessibility.AccessibleContext" ) );
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return Sequence< OUString >( &sServiceName, 1 );
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}
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//===== XTypeProvider =======================================================
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Sequence< sal_Int8 > SAL_CALL SvtRulerAccessible::getImplementationId() throw( RuntimeException, std::exception )
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{
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return css::uno::Sequence<sal_Int8>();
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}
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void SAL_CALL SvtRulerAccessible::disposing()
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{
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if( !rBHelper.bDisposed )
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{
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{
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::osl::MutexGuard aGuard( m_aMutex );
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mpRepr = NULL; // object dies with representation
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}
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{
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::osl::MutexGuard aGuard( m_aMutex );
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// Send a disposing to all listeners.
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if ( mnClientId )
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{
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comphelper::AccessibleEventNotifier::revokeClientNotifyDisposing( mnClientId, *this );
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mnClientId = 0;
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}
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mxParent = uno::Reference< XAccessible >();
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}
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}
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}
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Rectangle SvtRulerAccessible::GetBoundingBoxOnScreen() throw( RuntimeException )
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{
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SolarMutexGuard aSolarGuard;
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::osl::MutexGuard aGuard( m_aMutex );
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ThrowExceptionIfNotAlive();
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return Rectangle( mpRepr->GetParent()->OutputToAbsoluteScreenPixel( mpRepr->GetPosPixel() ), mpRepr->GetSizePixel() );
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}
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Rectangle SvtRulerAccessible::GetBoundingBox() throw( RuntimeException )
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{
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SolarMutexGuard aSolarGuard;
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::osl::MutexGuard aGuard( m_aMutex );
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ThrowExceptionIfNotAlive();
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return Rectangle( mpRepr->GetPosPixel(), mpRepr->GetSizePixel() );
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}
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void SvtRulerAccessible::ThrowExceptionIfNotAlive() throw( lang::DisposedException )
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{
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if( IsNotAlive() )
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throw lang::DisposedException();
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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