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.
   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 "AccessibleChartElement.hxx"
  21 #include <AccessibleTextHelper.hxx>
  22 #include <CharacterProperties.hxx>
  23 #include <ChartModel.hxx>
  24 #include <ChartController.hxx>
  25 #include <ObjectIdentifier.hxx>
  26 #include <ObjectNameProvider.hxx>
  27 #include <servicenames.hxx>
  28
  29 #include <com/sun/star/awt/XDevice.hpp>
  30 #include <com/sun/star/chart2/XTitle.hpp>
  31 #include <com/sun/star/beans/XMultiPropertySet.hpp>
  32 #include <com/sun/star/accessibility/AccessibleStateType.hpp>
  33 #include <com/sun/star/lang/XInitialization.hpp>
  34 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  35 #include <com/sun/star/view/XSelectionSupplier.hpp>
  36
  37 #include <comphelper/diagnose_ex.hxx>
  38
  39 using namespace ::com::sun::star;
  40 using namespace ::com::sun::star::accessibility;
  41
  42 using ::com::sun::star::uno::UNO_QUERY;
  43 using ::com::sun::star::uno::Reference;
  44 using ::com::sun::star::uno::Sequence;
  45
  46 namespace chart
  47 {
  48
  49 AccessibleChartElement::AccessibleChartElement(
  50     const AccessibleElementInfo & rAccInfo,
  51     bool bMayHaveChildren ) :
  52         impl::AccessibleChartElement_Base( rAccInfo, bMayHaveChildren, false/*bAlwaysTransparent*/ ),
  53         m_bHasText( false )
  54 {
  55     AddState( AccessibleStateType::TRANSIENT );
  56 }
  57
  58 AccessibleChartElement::~AccessibleChartElement()
  59 {
  60     OSL_ASSERT( CheckDisposeState( false /* don't throw exceptions */ ) );
  61 }
  62
  63 // ________ protected ________
  64
  65 bool AccessibleChartElement::ImplUpdateChildren()
  66 {
  67     bool bResult = false;
  68     Reference< chart2::XTitle > xTitle(
  69         ObjectIdentifier::getObjectPropertySet(
  70             GetInfo().m_aOID.getObjectCID(), GetInfo().m_xChartDocument ),
  71         uno::UNO_QUERY );
  72     m_bHasText = xTitle.is();
  73
  74     if( m_bHasText )
  75     {
  76         InitTextEdit();
  77         bResult = true;
  78     }
  79     else
  80         bResult = AccessibleBase::ImplUpdateChildren();
  81
  82     return bResult;
  83 }
  84
  85 void AccessibleChartElement::InitTextEdit()
  86 {
  87     if( ! m_xTextHelper.is())
  88     {
  89         // get hard reference
  90         rtl::Reference< ::chart::ChartController > xChartController( GetInfo().m_xChartController );
  91         if( xChartController.is())
  92             m_xTextHelper = xChartController->createAccessibleTextContext();
  93     }
  94
  95     if( !m_xTextHelper.is())
  96         return;
  97
  98     m_xTextHelper->initialize( GetInfo().m_aOID.getObjectCID(), this, GetInfo().m_xWindow );
  99 }
 100
 101 //             Interfaces
 102
 103 // ________ AccessibleBase::XAccessibleContext ________
 104 Reference< XAccessible > AccessibleChartElement::ImplGetAccessibleChildById( sal_Int64 i ) const
 105 {
 106     Reference< XAccessible > xResult;
 107
 108     if( m_bHasText )
 109         xResult.set( m_xTextHelper->getAccessibleChild( i ));
 110     else
 111         xResult.set( AccessibleBase::ImplGetAccessibleChildById( i ));
 112
 113     return xResult;
 114 }
 115
 116 sal_Int64 AccessibleChartElement::ImplGetAccessibleChildCount() const
 117 {
 118     if( m_bHasText )
 119     {
 120         if( m_xTextHelper.is())
 121             return m_xTextHelper->getAccessibleChildCount();
 122         return 0;
 123     }
 124
 125     return AccessibleBase::ImplGetAccessibleChildCount();
 126 }
 127
 128 // ________ XServiceInfo ________
 129 OUString SAL_CALL AccessibleChartElement::getImplementationName()
 130 {
 131     return "AccessibleChartElement";
 132 }
 133
 134 // ________ AccessibleChartElement::XAccessibleContext (override) ________
 135 OUString SAL_CALL AccessibleChartElement::getAccessibleName()
 136 {
 137     return ObjectNameProvider::getNameForCID(
 138         GetInfo().m_aOID.getObjectCID(), GetInfo().m_xChartDocument );
 139 }
 140
 141 // ________ AccessibleChartElement::XAccessibleContext (override) ________
 142 OUString SAL_CALL AccessibleChartElement::getAccessibleDescription()
 143 {
 144     return getToolTipText();
 145 }
 146
 147 // ________ AccessibleChartElement::XAccessibleExtendedComponent ________
 148 Reference< awt::XFont > SAL_CALL AccessibleChartElement::getFont()
 149 {
 150     CheckDisposeState();
 151
 152     Reference< awt::XFont > xFont;
 153     Reference< awt::XDevice > xDevice( Reference< awt::XWindow >( GetInfo().m_xWindow ), uno::UNO_QUERY );
 154
 155     if( xDevice.is())
 156     {
 157         Reference< beans::XMultiPropertySet > xObjProp(
 158             ObjectIdentifier::getObjectPropertySet(
 159                 GetInfo().m_aOID.getObjectCID(), GetInfo().m_xChartDocument ), uno::UNO_QUERY );
 160         awt::FontDescriptor aDescr(
 161             CharacterProperties::createFontDescriptorFromPropertySet( xObjProp ));
 162         xFont = xDevice->getFont( aDescr );
 163     }
 164
 165     return xFont;
 166 }
 167
 168 OUString SAL_CALL AccessibleChartElement::getTitledBorderText()
 169 {
 170     return OUString();
 171 }
 172
 173 OUString SAL_CALL AccessibleChartElement::getToolTipText()
 174 {
 175     CheckDisposeState();
 176
 177     return ObjectNameProvider::getHelpText(
 178         GetInfo().m_aOID.getObjectCID(), GetInfo().m_xChartDocument );
 179 }
 180
 181 // ________ XAccessibleComponent ________
 182 sal_Bool SAL_CALL AccessibleChartElement::containsPoint( const awt::Point& aPoint )
 183 {
 184     return AccessibleBase::containsPoint( aPoint );
 185 }
 186
 187 Reference< XAccessible > SAL_CALL AccessibleChartElement::getAccessibleAtPoint( const awt::Point& aPoint )
 188 {
 189     return AccessibleBase::getAccessibleAtPoint( aPoint );
 190 }
 191
 192 awt::Rectangle SAL_CALL AccessibleChartElement::getBounds()
 193 {
 194     return AccessibleBase::getBounds();
 195 }
 196
 197 awt::Point SAL_CALL AccessibleChartElement::getLocation()
 198 {
 199     return AccessibleBase::getLocation();
 200 }
 201
 202 awt::Point SAL_CALL AccessibleChartElement::getLocationOnScreen()
 203 {
 204     return AccessibleBase::getLocationOnScreen();
 205 }
 206
 207 awt::Size SAL_CALL AccessibleChartElement::getSize()
 208 {
 209     return AccessibleBase::getSize();
 210 }
 211
 212 void SAL_CALL AccessibleChartElement::grabFocus()
 213 {
 214     return AccessibleBase::grabFocus();
 215 }
 216
 217 sal_Int32 SAL_CALL AccessibleChartElement::getForeground()
 218 {
 219     return AccessibleBase::getForeground();
 220 }
 221
 222 sal_Int32 SAL_CALL AccessibleChartElement::getBackground()
 223 {
 224     return AccessibleBase::getBackground();
 225 }
 226
 227 } // namespace chart
 228
 229 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */