LCOV - code coverage report
Current view: top level - chart2/source/controller/accessibility - AccessibleChartView.cxx (source / functions) Hit Total Coverage
Test: commit 10e77ab3ff6f4314137acd6e2702a6e5c1ce1fae Lines: 1 184 0.5 %
Date: 2014-11-03 Functions: 2 19 10.5 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include "AccessibleChartView.hxx"
      21             : #include "chartview/ExplicitValueProvider.hxx"
      22             : #include "servicenames.hxx"
      23             : #include "macros.hxx"
      24             : #include "ObjectHierarchy.hxx"
      25             : #include "ObjectIdentifier.hxx"
      26             : #include "ResId.hxx"
      27             : #include "Strings.hrc"
      28             : #include "AccessibleViewForwarder.hxx"
      29             : 
      30             : #include <com/sun/star/accessibility/AccessibleEventId.hpp>
      31             : #include <com/sun/star/accessibility/AccessibleStateType.hpp>
      32             : #include <com/sun/star/accessibility/AccessibleRole.hpp>
      33             : 
      34             : #include <rtl/ustring.hxx>
      35             : #include <vcl/window.hxx>
      36             : #include <toolkit/helper/vclunohelper.hxx>
      37             : #include <vcl/svapp.hxx>
      38             : #include <osl/mutex.hxx>
      39             : 
      40             : using namespace ::com::sun::star;
      41             : using namespace ::com::sun::star::accessibility;
      42             : 
      43             : using ::com::sun::star::uno::Sequence;
      44             : using ::com::sun::star::uno::Reference;
      45             : using ::com::sun::star::uno::WeakReference;
      46             : using ::com::sun::star::uno::Any;
      47             : using osl::MutexGuard;
      48             : 
      49             : namespace chart
      50             : {
      51             : 
      52           0 : AccessibleChartView::AccessibleChartView(
      53             :     const Reference< uno::XComponentContext >& xContext, SdrView* pView ) :
      54             :         impl::AccessibleChartView_Base(
      55             :             AccessibleElementInfo(), // empty for now
      56             :             true, // has children
      57             :             true  // always transparent
      58             :             ),
      59             :         m_xContext( xContext ),
      60             :         m_pSdrView( pView ),
      61           0 :         m_pViewForwarder( NULL )
      62             : {
      63           0 :     AddState( AccessibleStateType::OPAQUE );
      64           0 : }
      65             : 
      66           0 : AccessibleChartView::~AccessibleChartView()
      67             : {
      68           0 :     delete m_pViewForwarder;
      69           0 : }
      70             : 
      71           0 : awt::Rectangle AccessibleChartView::GetWindowPosSize() const
      72             : {
      73           0 :     Reference< awt::XWindow > xWindow( GetInfo().m_xWindow );
      74           0 :     if( ! xWindow.is())
      75           0 :         return awt::Rectangle();
      76             : 
      77           0 :     awt::Rectangle aBBox( xWindow->getPosSize() );
      78             : 
      79           0 :     vcl::Window* pWindow( VCLUnoHelper::GetWindow( GetInfo().m_xWindow ));
      80           0 :     if( pWindow )
      81             :     {
      82           0 :         SolarMutexGuard aSolarGuard;
      83           0 :         Point aVCLPoint( pWindow->OutputToAbsoluteScreenPixel( Point( 0, 0 ) ));
      84           0 :         aBBox.X = aVCLPoint.getX();
      85           0 :         aBBox.Y = aVCLPoint.getY();
      86             :     }
      87             : 
      88           0 :     return aBBox;
      89             : }
      90             : 
      91           0 : awt::Point AccessibleChartView::GetUpperLeftOnScreen() const
      92             : {
      93           0 :     awt::Point aParentPosition;
      94             : 
      95           0 :     awt::Rectangle aBBox( GetWindowPosSize() );
      96           0 :     aParentPosition.X = aBBox.X;
      97           0 :     aParentPosition.Y = aBBox.Y;
      98             : 
      99           0 :     return aParentPosition;
     100             : }
     101             : 
     102             : // ________ XAccessibleContext ________
     103           0 : OUString SAL_CALL AccessibleChartView::getAccessibleName()
     104             :     throw (uno::RuntimeException, std::exception)
     105             : {
     106           0 :     return SCH_RESSTR(STR_OBJECT_DIAGRAM);
     107             : }
     108             : 
     109           0 : OUString SAL_CALL AccessibleChartView::getAccessibleDescription()
     110             :     throw (uno::RuntimeException, std::exception)
     111             : {
     112           0 :     return getAccessibleName();
     113             : }
     114             : 
     115           0 : Reference< XAccessible > SAL_CALL AccessibleChartView::getAccessibleParent()
     116             :     throw (uno::RuntimeException, std::exception)
     117             : {
     118           0 :     return Reference< XAccessible >( m_xParent );
     119             : }
     120             : 
     121           0 : sal_Int32 SAL_CALL AccessibleChartView::getAccessibleIndexInParent()
     122             :     throw (uno::RuntimeException, std::exception)
     123             : {
     124             :     // the document is always the only child of the window
     125           0 :     return 0;
     126             : }
     127             : 
     128           0 : sal_Int16 SAL_CALL AccessibleChartView::getAccessibleRole()
     129             :     throw (uno::RuntimeException, std::exception)
     130             : {
     131           0 :     return AccessibleRole::DOCUMENT;
     132             : }
     133             : 
     134             : // ________ XAccessibleComponent ________
     135           0 : awt::Rectangle SAL_CALL AccessibleChartView::getBounds()
     136             :     throw (uno::RuntimeException, std::exception)
     137             : {
     138           0 :     awt::Rectangle aResult( GetWindowPosSize());
     139           0 :     Reference< XAccessible > xParent( m_xParent );
     140           0 :     if( xParent.is())
     141             :     {
     142           0 :         Reference< XAccessibleComponent > xContext( xParent->getAccessibleContext(), uno::UNO_QUERY );
     143           0 :         if( xContext.is())
     144             :         {
     145           0 :             awt::Point aParentPosition = xContext->getLocationOnScreen();
     146           0 :             aResult.X -= aParentPosition.X;
     147           0 :             aResult.Y -= aParentPosition.Y;
     148           0 :         }
     149             :     }
     150           0 :     return aResult;
     151             : }
     152             : 
     153           0 : awt::Point SAL_CALL AccessibleChartView::getLocationOnScreen()
     154             :     throw (uno::RuntimeException, std::exception)
     155             : {
     156           0 :     awt::Rectangle aBounds( getBounds());
     157           0 :     awt::Point aResult;
     158           0 :     Reference< XAccessible > xParent( m_xParent );
     159           0 :     if( xParent.is())
     160             :     {
     161             :         Reference< XAccessibleComponent > xAccComp(
     162           0 :             xParent->getAccessibleContext(), uno::UNO_QUERY );
     163           0 :         aResult = xAccComp->getLocationOnScreen();
     164           0 :         aResult.X += aBounds.X;
     165           0 :         aResult.Y += aBounds.Y;
     166             :     }
     167           0 :     return aResult;
     168             : }
     169             : 
     170             : // lang::XInitialization
     171             : 
     172           0 : void SAL_CALL AccessibleChartView::initialize( const Sequence< Any >& rArguments )
     173             :                 throw (uno::Exception, uno::RuntimeException, std::exception)
     174             : {
     175             :     //0: view::XSelectionSupplier offers notifications for selection changes and access to the selection itself
     176             :     //1: frame::XModel representing the chart model - offers access to object data
     177             :     //2: lang::XInterface representing the normal chart view - offers access to some extra object data
     178             : 
     179             :     //all arguments are only valid until next initialization
     180           0 :     bool bChanged = false;
     181           0 :     bool bOldInvalid = false;
     182           0 :     bool bNewInvalid = false;
     183             : 
     184           0 :     Reference< view::XSelectionSupplier > xSelectionSupplier;
     185           0 :     Reference< frame::XModel > xChartModel;
     186           0 :     Reference< uno::XInterface > xChartView;
     187           0 :     Reference< XAccessible > xParent;
     188           0 :     Reference< awt::XWindow > xWindow;
     189             :     {
     190           0 :         MutexGuard aGuard( GetMutex());
     191           0 :         xSelectionSupplier.set( m_xSelectionSupplier );
     192           0 :         xChartModel.set( m_xChartModel );
     193           0 :         xChartView.set( m_xChartView );
     194           0 :         xParent.set( m_xParent );
     195           0 :         xWindow.set( m_xWindow );
     196             :     }
     197             : 
     198           0 :     if( !xSelectionSupplier.is() || !xChartModel.is() || !xChartView.is() )
     199             :     {
     200           0 :         bOldInvalid = true;
     201             :     }
     202             : 
     203           0 :     if( rArguments.getLength() > 1 )
     204             :     {
     205           0 :         Reference< frame::XModel > xNewChartModel;
     206           0 :         rArguments[1] >>= xNewChartModel;
     207           0 :         if( xNewChartModel != xChartModel )
     208             :         {
     209           0 :             xChartModel = xNewChartModel;
     210           0 :             bChanged = true;
     211           0 :         }
     212             :     }
     213           0 :     else if( xChartModel.is() )
     214             :     {
     215           0 :         bChanged = true;
     216           0 :         xChartModel = 0;
     217             :     }
     218             : 
     219           0 :     if( rArguments.getLength() > 2 )
     220             :     {
     221           0 :         Reference< uno::XInterface > xNewChartView;
     222           0 :         rArguments[2] >>= xNewChartView;
     223           0 :         if( xNewChartView != xChartView )
     224             :         {
     225           0 :             xChartView = xNewChartView;
     226           0 :             bChanged = true;
     227           0 :         }
     228             :     }
     229           0 :     else if( xChartView.is() )
     230             :     {
     231           0 :         bChanged = true;
     232           0 :         xChartView = 0;
     233             :     }
     234             : 
     235           0 :     if( rArguments.getLength() > 3 )
     236             :     {
     237           0 :         Reference< XAccessible > xNewParent;
     238           0 :         rArguments[3] >>= xNewParent;
     239           0 :         if( xNewParent != xParent )
     240             :         {
     241           0 :             xParent = xNewParent;
     242           0 :             bChanged = true;
     243           0 :         }
     244             :     }
     245             : 
     246           0 :     if( rArguments.getLength() > 4 )
     247             :     {
     248           0 :         Reference< awt::XWindow > xNewWindow;
     249           0 :         rArguments[4] >>= xNewWindow;
     250           0 :         if( xNewWindow != xWindow )
     251             :         {
     252           0 :             xWindow.set( xNewWindow );
     253           0 :             bChanged = true;
     254           0 :         }
     255             :     }
     256             : 
     257           0 :     if( rArguments.getLength() > 0 && xChartModel.is() && xChartView.is() )
     258             :     {
     259           0 :         Reference< view::XSelectionSupplier > xNewSelectionSupplier;
     260           0 :         rArguments[0] >>= xNewSelectionSupplier;
     261           0 :         if(xSelectionSupplier!=xNewSelectionSupplier)
     262             :         {
     263           0 :             bChanged = true;
     264           0 :             if(xSelectionSupplier.is())
     265           0 :                 xSelectionSupplier->removeSelectionChangeListener(this);
     266           0 :             if(xNewSelectionSupplier.is())
     267           0 :                 xNewSelectionSupplier->addSelectionChangeListener(this);
     268           0 :             xSelectionSupplier = xNewSelectionSupplier;
     269           0 :         }
     270             :     }
     271           0 :     else if( xSelectionSupplier.is() )
     272             :     {
     273           0 :         bChanged = true;
     274           0 :         xSelectionSupplier->removeSelectionChangeListener(this);
     275           0 :         xSelectionSupplier = 0;
     276             :     }
     277             : 
     278           0 :     if( !xSelectionSupplier.is() || !xChartModel.is() || !xChartView.is() )
     279             :     {
     280           0 :         if(xSelectionSupplier.is())
     281           0 :             xSelectionSupplier->removeSelectionChangeListener(this);
     282           0 :         xSelectionSupplier = 0;
     283           0 :         xChartModel.clear();
     284           0 :         xChartView.clear();
     285           0 :         xParent.clear();
     286           0 :         xWindow.clear();
     287             : 
     288           0 :         bNewInvalid = true;
     289             :     }
     290             : 
     291             :     {
     292           0 :         MutexGuard aGuard( GetMutex());
     293           0 :         m_xSelectionSupplier = WeakReference< view::XSelectionSupplier >(xSelectionSupplier);
     294           0 :         m_xChartModel = WeakReference< frame::XModel >(xChartModel);
     295           0 :         m_xChartView = WeakReference< uno::XInterface >(xChartView);
     296           0 :         m_xParent = WeakReference< XAccessible >(xParent);
     297           0 :         m_xWindow = WeakReference< awt::XWindow >(xWindow);
     298             :     }
     299             : 
     300           0 :     if( bOldInvalid && bNewInvalid )
     301           0 :         bChanged = false;
     302             : 
     303           0 :     if( bChanged )
     304             :     {
     305             :         {
     306             :             //before notification we prepare for creation of new context
     307             :             //the old context will be deleted after notification than
     308           0 :             MutexGuard aGuard( GetMutex());
     309           0 :             Reference< chart2::XChartDocument > xChartDoc( xChartModel, uno::UNO_QUERY );
     310           0 :             if( xChartDoc.is())
     311           0 :                 m_spObjectHierarchy.reset( new ObjectHierarchy( xChartDoc, getExplicitValueProvider() ));
     312             :             else
     313           0 :                 m_spObjectHierarchy.reset();
     314             :         }
     315             : 
     316             :         {
     317           0 :             AccessibleElementInfo aAccInfo;
     318           0 :             aAccInfo.m_aOID = ObjectIdentifier("ROOT");
     319           0 :             aAccInfo.m_xChartDocument = uno::WeakReference< chart2::XChartDocument >(
     320           0 :                 uno::Reference< chart2::XChartDocument >( m_xChartModel.get(), uno::UNO_QUERY ));
     321           0 :             aAccInfo.m_xSelectionSupplier = m_xSelectionSupplier;
     322           0 :             aAccInfo.m_xView = m_xChartView;
     323           0 :             aAccInfo.m_xWindow = m_xWindow;
     324           0 :             aAccInfo.m_pParent = 0;
     325           0 :             aAccInfo.m_spObjectHierarchy = m_spObjectHierarchy;
     326           0 :             aAccInfo.m_pSdrView = m_pSdrView;
     327           0 :             vcl::Window* pWindow = VCLUnoHelper::GetWindow( m_xWindow );
     328           0 :             if ( m_pViewForwarder )
     329             :             {
     330           0 :                 delete m_pViewForwarder;
     331             :             }
     332           0 :             m_pViewForwarder = new AccessibleViewForwarder( this, pWindow );
     333           0 :             aAccInfo.m_pViewForwarder = m_pViewForwarder;
     334             :             // broadcasts an INVALIDATE_ALL_CHILDREN event globally
     335           0 :             SetInfo( aAccInfo );
     336             :         }
     337           0 :     }
     338           0 : }
     339             : 
     340           0 : ExplicitValueProvider* AccessibleChartView::getExplicitValueProvider()
     341             : {
     342           0 :     return ExplicitValueProvider::getExplicitValueProvider(m_xChartView);
     343             : }
     344             : 
     345             : // view::XSelectionChangeListener
     346             : 
     347           0 : void SAL_CALL AccessibleChartView::selectionChanged( const lang::EventObject& /*rEvent*/ )
     348             :                 throw (uno::RuntimeException, std::exception)
     349             : {
     350           0 :     Reference< view::XSelectionSupplier > xSelectionSupplier;
     351             :     {
     352           0 :         MutexGuard aGuard( GetMutex());
     353           0 :         xSelectionSupplier = Reference< view::XSelectionSupplier >(m_xSelectionSupplier);
     354             :     }
     355             : 
     356           0 :     if( xSelectionSupplier.is() )
     357             :     {
     358           0 :         ObjectIdentifier aSelectedOID( xSelectionSupplier->getSelection() );
     359           0 :         if ( m_aCurrentSelectionOID.isValid() )
     360             :         {
     361           0 :             NotifyEvent( LOST_SELECTION, m_aCurrentSelectionOID );
     362             :         }
     363           0 :         if( aSelectedOID.isValid() )
     364             :         {
     365           0 :             NotifyEvent( GOT_SELECTION, aSelectedOID );
     366             :         }
     367           0 :         m_aCurrentSelectionOID = aSelectedOID;
     368           0 :     }
     369           0 : }
     370             : 
     371             : // lang::XComponent::dispose()
     372           0 : void SAL_CALL AccessibleChartView::disposing()
     373             : {
     374           0 :     AccessibleBase::disposing();
     375           0 : }
     376             : 
     377             : // XEventListener
     378           0 : void SAL_CALL AccessibleChartView::disposing( const lang::EventObject& /*Source*/ )
     379             :     throw (uno::RuntimeException, std::exception)
     380             : {
     381           0 : }
     382             : 
     383         102 : } //namespace chart
     384             : 
     385             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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