chart2/source/controller/accessibility/AccessibleChartElement.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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 "AccessibleChartElement.hxx"
  21 #include <CharacterProperties.hxx>
  22 #include <ObjectIdentifier.hxx>
  23 #include <ObjectNameProvider.hxx>
  24 #include <servicenames.hxx>
  25
  26 #include <com/sun/star/awt/XDevice.hpp>
  27 #include <com/sun/star/chart2/XTitle.hpp>
  28 #include <com/sun/star/beans/XMultiPropertySet.hpp>
  29 #include <com/sun/star/accessibility/AccessibleStateType.hpp>
  30 #include <com/sun/star/lang/XInitialization.hpp>
  31
  32 #include <vcl/svapp.hxx>
  33 #include <rtl/ustrbuf.hxx>
  34 #include <tools/diagnose_ex.h>
  35
  36 using namespace ::com::sun::star;
  37 using namespace ::com::sun::star::accessibility;
  38
  39 using ::com::sun::star::uno::UNO_QUERY;
  40 using ::com::sun::star::uno::Reference;
  41 using ::com::sun::star::uno::Sequence;
  42 using ::com::sun::star::uno::RuntimeException;
  43
  44 namespace chart
  45 {
  46
  47 AccessibleChartElement::AccessibleChartElement(
  48     const AccessibleElementInfo & rAccInfo,
  49     bool bMayHaveChildren ) :
  50         impl::AccessibleChartElement_Base( rAccInfo, bMayHaveChildren, false/*bAlwaysTransparent*/ ),
  51         m_bHasText( false )
  52 {
  53     AddState( AccessibleStateType::TRANSIENT );
  54 }
  55
  56 AccessibleChartElement::~AccessibleChartElement()
  57 {
  58     OSL_ASSERT( CheckDisposeState( false /* don't throw exceptions */ ) );
  59 }
  60
  61 // ________ protected ________
  62
  63 bool AccessibleChartElement::ImplUpdateChildren()
  64 {
  65     bool bResult = false;
  66     Reference< chart2::XTitle > xTitle(
  67         ObjectIdentifier::getObjectPropertySet(
  68             GetInfo().m_aOID.getObjectCID(), Reference< chart2::XChartDocument >( GetInfo().m_xChartDocument )),
  69         uno::UNO_QUERY );
  70     m_bHasText = xTitle.is();
  71
  72     if( m_bHasText )
  73     {
  74         InitTextEdit();
  75         bResult = true;
  76     }
  77     else
  78         bResult = AccessibleBase::ImplUpdateChildren();
  79
  80     return bResult;
  81 }
  82
  83 void AccessibleChartElement::InitTextEdit()
  84 {
  85     if( ! m_xTextHelper.is())
  86     {
  87         // get hard reference
  88         Reference< view::XSelectionSupplier > xSelSupp( GetInfo().m_xSelectionSupplier );
  89         // get factory from selection supplier (controller)
  90         Reference< lang::XMultiServiceFactory > xFact( xSelSupp, uno::UNO_QUERY );
  91         if( xFact.is())
  92         {
  93             m_xTextHelper.set(
  94                 xFact->createInstance( CHART_ACCESSIBLE_TEXT_SERVICE_NAME ), uno::UNO_QUERY );
  95         }
  96     }
  97
  98     if( m_xTextHelper.is())
  99         try
 100         {
 101             Reference< lang::XInitialization > xInit( m_xTextHelper, uno::UNO_QUERY_THROW );
 102             Sequence< uno::Any > aArgs( 3 );
 103             aArgs[0] <<= GetInfo().m_aOID.getObjectCID();
 104             aArgs[1] <<= Reference< XAccessible >( this );
 105             aArgs[2] <<= Reference< awt::XWindow >( GetInfo().m_xWindow );
 106             xInit->initialize( aArgs );
 107         }
 108         catch( const uno::Exception & )
 109         {
 110             DBG_UNHANDLED_EXCEPTION("chart2");
 111         }
 112 }
 113
 114 //             Interfaces
 115
 116 // ________ AccessibleBase::XAccessibleContext ________
 117 Reference< XAccessible > AccessibleChartElement::ImplGetAccessibleChildById( sal_Int32 i ) const
 118 {
 119     Reference< XAccessible > xResult;
 120
 121     if( m_bHasText )
 122         xResult.set( m_xTextHelper->getAccessibleChild( i ));
 123     else
 124         xResult.set( AccessibleBase::ImplGetAccessibleChildById( i ));
 125
 126     return xResult;
 127 }
 128
 129 sal_Int32 AccessibleChartElement::ImplGetAccessibleChildCount() const
 130 {
 131     if( m_bHasText )
 132     {
 133         if( m_xTextHelper.is())
 134             return m_xTextHelper->getAccessibleChildCount();
 135         return 0;
 136     }
 137
 138     return AccessibleBase::ImplGetAccessibleChildCount();
 139 }
 140
 141 // ________ XServiceInfo ________
 142 OUString SAL_CALL AccessibleChartElement::getImplementationName()
 143 {
 144     return OUString( "AccessibleChartElement" );
 145 }
 146
 147 // ________ AccessibleChartElement::XAccessibleContext (override) ________
 148 OUString SAL_CALL AccessibleChartElement::getAccessibleName()
 149 {
 150     return ObjectNameProvider::getNameForCID(
 151         GetInfo().m_aOID.getObjectCID(), GetInfo().m_xChartDocument );
 152 }
 153
 154 // ________ AccessibleChartElement::XAccessibleContext (override) ________
 155 OUString SAL_CALL AccessibleChartElement::getAccessibleDescription()
 156 {
 157     return getToolTipText();
 158 }
 159
 160 // ________ AccessibleChartElement::XAccessibleExtendedComponent ________
 161 Reference< awt::XFont > SAL_CALL AccessibleChartElement::getFont()
 162 {
 163     CheckDisposeState();
 164
 165     Reference< awt::XFont > xFont;
 166     Reference< awt::XDevice > xDevice( Reference< awt::XWindow >( GetInfo().m_xWindow ), uno::UNO_QUERY );
 167
 168     if( xDevice.is())
 169     {
 170         Reference< beans::XMultiPropertySet > xObjProp(
 171             ObjectIdentifier::getObjectPropertySet(
 172                 GetInfo().m_aOID.getObjectCID(), Reference< chart2::XChartDocument >( GetInfo().m_xChartDocument )), uno::UNO_QUERY );
 173         awt::FontDescriptor aDescr(
 174             CharacterProperties::createFontDescriptorFromPropertySet( xObjProp ));
 175         xFont = xDevice->getFont( aDescr );
 176     }
 177
 178     return xFont;
 179 }
 180
 181 OUString SAL_CALL AccessibleChartElement::getTitledBorderText()
 182 {
 183     return OUString();
 184 }
 185
 186 OUString SAL_CALL AccessibleChartElement::getToolTipText()
 187 {
 188     CheckDisposeState();
 189
 190     return ObjectNameProvider::getHelpText(
 191         GetInfo().m_aOID.getObjectCID(), Reference< chart2::XChartDocument >( GetInfo().m_xChartDocument ));
 192 }
 193
 194 // ________ XAccessibleComponent ________
 195 sal_Bool SAL_CALL AccessibleChartElement::containsPoint( const awt::Point& aPoint )
 196 {
 197     return AccessibleBase::containsPoint( aPoint );
 198 }
 199
 200 Reference< XAccessible > SAL_CALL AccessibleChartElement::getAccessibleAtPoint( const awt::Point& aPoint )
 201 {
 202     return AccessibleBase::getAccessibleAtPoint( aPoint );
 203 }
 204
 205 awt::Rectangle SAL_CALL AccessibleChartElement::getBounds()
 206 {
 207     return AccessibleBase::getBounds();
 208 }
 209
 210 awt::Point SAL_CALL AccessibleChartElement::getLocation()
 211 {
 212     return AccessibleBase::getLocation();
 213 }
 214
 215 awt::Point SAL_CALL AccessibleChartElement::getLocationOnScreen()
 216 {
 217     return AccessibleBase::getLocationOnScreen();
 218 }
 219
 220 awt::Size SAL_CALL AccessibleChartElement::getSize()
 221 {
 222     return AccessibleBase::getSize();
 223 }
 224
 225 void SAL_CALL AccessibleChartElement::grabFocus()
 226 {
 227     return AccessibleBase::grabFocus();
 228 }
 229
 230 sal_Int32 SAL_CALL AccessibleChartElement::getForeground()
 231 {
 232     return AccessibleBase::getForeground();
 233 }
 234
 235 sal_Int32 SAL_CALL AccessibleChartElement::getBackground()
 236 {
 237     return AccessibleBase::getBackground();
 238 }
 239
 240 } // namespace chart
 241
 242 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */