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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   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 "AccessibleChartElement.hxx"
  21 #include "CharacterProperties.hxx"
  22 #include "ObjectIdentifier.hxx"
  23 #include "ObjectNameProvider.hxx"
  24 #include "servicenames.hxx"
  25 #include "macros.hxx"
  26
  27 #include <com/sun/star/awt/XDevice.hpp>
  28 #include <com/sun/star/chart2/XTitle.hpp>
  29 #include <com/sun/star/beans/XMultiPropertySet.hpp>
  30 #include <com/sun/star/accessibility/AccessibleStateType.hpp>
  31 #include <com/sun/star/lang/XInitialization.hpp>
  32
  33 #include <vcl/svapp.hxx>
  34 #include <rtl/ustrbuf.hxx>
  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 ::osl::MutexGuard;
  43 using ::osl::ClearableMutexGuard;
  44 using ::osl::ResettableMutexGuard;
  45 using ::com::sun::star::uno::RuntimeException;
  46 using ::com::sun::star::uno::Any;
  47
  48 namespace chart
  49 {
  50
  51 AccessibleChartElement::AccessibleChartElement(
  52     const AccessibleElementInfo & rAccInfo,
  53     bool bMayHaveChildren,
  54     bool bAlwaysTransparent /* default: false */ ) :
  55         impl::AccessibleChartElement_Base( rAccInfo, bMayHaveChildren, bAlwaysTransparent ),
  56         m_bHasText( false )
  57 {
  58     AddState( AccessibleStateType::TRANSIENT );
  59 }
  60
  61 AccessibleChartElement::~AccessibleChartElement()
  62 {
  63     OSL_ASSERT( CheckDisposeState( false /* don't throw exceptions */ ) );
  64 }
  65
  66 // ________ protected ________
  67
  68 bool AccessibleChartElement::ImplUpdateChildren()
  69 {
  70     bool bResult = false;
  71     Reference< chart2::XTitle > xTitle(
  72         ObjectIdentifier::getObjectPropertySet(
  73             GetInfo().m_aOID.getObjectCID(), Reference< chart2::XChartDocument >( GetInfo().m_xChartDocument )),
  74         uno::UNO_QUERY );
  75     m_bHasText = xTitle.is();
  76
  77     if( m_bHasText )
  78     {
  79         InitTextEdit();
  80         bResult = true;
  81     }
  82     else
  83         bResult = AccessibleBase::ImplUpdateChildren();
  84
  85     return bResult;
  86 }
  87
  88 void AccessibleChartElement::InitTextEdit()
  89 {
  90     if( ! m_xTextHelper.is())
  91     {
  92         // get hard reference
  93         Reference< view::XSelectionSupplier > xSelSupp( GetInfo().m_xSelectionSupplier );
  94         // get factory from selection supplier (controller)
  95         Reference< lang::XMultiServiceFactory > xFact( xSelSupp, uno::UNO_QUERY );
  96         if( xFact.is())
  97         {
  98             m_xTextHelper.set(
  99                 xFact->createInstance( CHART_ACCESSIBLE_TEXT_SERVICE_NAME ), uno::UNO_QUERY );
 100         }
 101     }
 102
 103     if( m_xTextHelper.is())
 104         try
 105         {
 106             Reference< lang::XInitialization > xInit( m_xTextHelper, uno::UNO_QUERY_THROW );
 107             Sequence< uno::Any > aArgs( 3 );
 108             aArgs[0] <<= GetInfo().m_aOID.getObjectCID();
 109             aArgs[1] <<= Reference< XAccessible >( this );
 110             aArgs[2] <<= Reference< awt::XWindow >( GetInfo().m_xWindow );
 111             xInit->initialize( aArgs );
 112         }
 113         catch( const uno::Exception & ex )
 114         {
 115             ASSERT_EXCEPTION( ex );
 116         }
 117 }
 118
 119 //             Interfaces
 120
 121 // ________ AccessibleBase::XAccessibleContext ________
 122 Reference< XAccessible > AccessibleChartElement::ImplGetAccessibleChildById( sal_Int32 i ) const
 123     throw (lang::IndexOutOfBoundsException, RuntimeException)
 124 {
 125     Reference< XAccessible > xResult;
 126
 127     if( m_bHasText )
 128         xResult.set( m_xTextHelper->getAccessibleChild( i ));
 129     else
 130         xResult.set( AccessibleBase::ImplGetAccessibleChildById( i ));
 131
 132     return xResult;
 133 }
 134
 135 sal_Int32 AccessibleChartElement::ImplGetAccessibleChildCount() const
 136     throw (RuntimeException)
 137 {
 138     if( m_bHasText )
 139     {
 140         if( m_xTextHelper.is())
 141             return m_xTextHelper->getAccessibleChildCount();
 142         return 0;
 143     }
 144
 145     return AccessibleBase::ImplGetAccessibleChildCount();
 146 }
 147
 148 // ________ XServiceInfo ________
 149 OUString SAL_CALL AccessibleChartElement::getImplementationName()
 150     throw (RuntimeException, std::exception)
 151 {
 152     return OUString( "AccessibleChartElement" );
 153 }
 154
 155 // ________ AccessibleChartElement::XAccessibleContext (override) ________
 156 OUString SAL_CALL AccessibleChartElement::getAccessibleName()
 157     throw (::com::sun::star::uno::RuntimeException, std::exception)
 158 {
 159     return ObjectNameProvider::getNameForCID(
 160         GetInfo().m_aOID.getObjectCID(), GetInfo().m_xChartDocument );
 161 }
 162
 163 // ________ AccessibleChartElement::XAccessibleContext (override) ________
 164 OUString SAL_CALL AccessibleChartElement::getAccessibleDescription()
 165     throw (::com::sun::star::uno::RuntimeException, std::exception)
 166 {
 167     return getToolTipText();
 168 }
 169
 170 // ________ AccessibleChartElement::XAccessibleExtendedComponent ________
 171 Reference< awt::XFont > SAL_CALL AccessibleChartElement::getFont()
 172     throw (uno::RuntimeException, std::exception)
 173 {
 174     CheckDisposeState();
 175
 176     Reference< awt::XFont > xFont;
 177     // using assignment for broken gcc 3.3
 178     Reference< awt::XDevice > xDevice = Reference< awt::XDevice >(
 179         Reference< awt::XWindow >( GetInfo().m_xWindow ), uno::UNO_QUERY );
 180
 181     if( xDevice.is())
 182     {
 183         Reference< beans::XMultiPropertySet > xObjProp(
 184             ObjectIdentifier::getObjectPropertySet(
 185                 GetInfo().m_aOID.getObjectCID(), Reference< chart2::XChartDocument >( GetInfo().m_xChartDocument )), uno::UNO_QUERY );
 186         awt::FontDescriptor aDescr(
 187             CharacterProperties::createFontDescriptorFromPropertySet( xObjProp ));
 188         xFont = xDevice->getFont( aDescr );
 189     }
 190
 191     return xFont;
 192 }
 193
 194 OUString SAL_CALL AccessibleChartElement::getTitledBorderText()
 195     throw (uno::RuntimeException, std::exception)
 196 {
 197     return OUString();
 198 }
 199
 200 OUString SAL_CALL AccessibleChartElement::getToolTipText()
 201     throw (::com::sun::star::uno::RuntimeException, std::exception)
 202 {
 203     CheckDisposeState();
 204
 205     return ObjectNameProvider::getHelpText(
 206         GetInfo().m_aOID.getObjectCID(), Reference< chart2::XChartDocument >( GetInfo().m_xChartDocument ));
 207 }
 208
 209 // ________ XAccessibleComponent ________
 210 sal_Bool SAL_CALL AccessibleChartElement::containsPoint( const awt::Point& aPoint )
 211     throw (uno::RuntimeException, std::exception)
 212 {
 213     return AccessibleBase::containsPoint( aPoint );
 214 }
 215
 216 Reference< XAccessible > SAL_CALL AccessibleChartElement::getAccessibleAtPoint( const awt::Point& aPoint )
 217     throw (uno::RuntimeException, std::exception)
 218 {
 219     return AccessibleBase::getAccessibleAtPoint( aPoint );
 220 }
 221
 222 awt::Rectangle SAL_CALL AccessibleChartElement::getBounds()
 223     throw (uno::RuntimeException, std::exception)
 224 {
 225     return AccessibleBase::getBounds();
 226 }
 227
 228 awt::Point SAL_CALL AccessibleChartElement::getLocation()
 229     throw (uno::RuntimeException, std::exception)
 230 {
 231     return AccessibleBase::getLocation();
 232 }
 233
 234 awt::Point SAL_CALL AccessibleChartElement::getLocationOnScreen()
 235     throw (uno::RuntimeException, std::exception)
 236 {
 237     return AccessibleBase::getLocationOnScreen();
 238 }
 239
 240 awt::Size SAL_CALL AccessibleChartElement::getSize()
 241     throw (uno::RuntimeException, std::exception)
 242 {
 243     return AccessibleBase::getSize();
 244 }
 245
 246 void SAL_CALL AccessibleChartElement::grabFocus()
 247     throw (uno::RuntimeException, std::exception)
 248 {
 249     return AccessibleBase::grabFocus();
 250 }
 251
 252 sal_Int32 SAL_CALL AccessibleChartElement::getForeground()
 253     throw (uno::RuntimeException, std::exception)
 254 {
 255     return AccessibleBase::getForeground();
 256 }
 257
 258 sal_Int32 SAL_CALL AccessibleChartElement::getBackground()
 259     throw (uno::RuntimeException, std::exception)
 260 {
 261     return AccessibleBase::getBackground();
 262 }
 263
 264 } // namespace chart
 265
 266 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */