accessibility/source/extended/accessibletabbarpage.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 <extended/accessibletabbarpage.hxx>
  21 #include <svtools/tabbar.hxx>
  22 #include <com/sun/star/accessibility/AccessibleEventId.hpp>
  23 #include <com/sun/star/accessibility/AccessibleRole.hpp>
  24 #include <com/sun/star/accessibility/AccessibleStateType.hpp>
  25 #include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
  26 #include <comphelper/accessiblecontexthelper.hxx>
  27 #include <cppuhelper/supportsservice.hxx>
  28 #include <unotools/accessiblerelationsethelper.hxx>
  29 #include <vcl/svapp.hxx>
  30 #include <vcl/settings.hxx>
  31 #include <toolkit/helper/convert.hxx>
  32 #include <i18nlangtag/languagetag.hxx>
  33
  34
  35 namespace accessibility
  36 {
  37
  38
  39     using namespace ::com::sun::star::accessibility;
  40     using namespace ::com::sun::star::uno;
  41     using namespace ::com::sun::star::lang;
  42     using namespace ::com::sun::star;
  43     using namespace ::comphelper;
  44
  45
  46
  47
  48     AccessibleTabBarPage::AccessibleTabBarPage( TabBar* pTabBar, sal_uInt16 nPageId, const Reference< XAccessible >& rxParent )
  49         :ImplInheritanceHelper( pTabBar )
  50         ,m_nPageId( nPageId )
  51         ,m_xParent( rxParent )
  52     {
  53         m_bShowing  = IsShowing();
  54         m_bSelected = IsSelected();
  55
  56         if ( m_pTabBar )
  57             m_sPageText = m_pTabBar->GetPageText( m_nPageId );
  58     }
  59
  60
  61     bool AccessibleTabBarPage::IsEnabled()
  62     {
  63         OExternalLockGuard aGuard( this );
  64
  65         bool bEnabled = false;
  66         if ( m_pTabBar )
  67             bEnabled = m_pTabBar->IsPageEnabled( m_nPageId );
  68
  69         return bEnabled;
  70     }
  71
  72
  73     bool AccessibleTabBarPage::IsShowing() const
  74     {
  75         bool bShowing = false;
  76
  77         if ( m_pTabBar && m_pTabBar->IsVisible() )
  78             bShowing = true;
  79
  80         return bShowing;
  81     }
  82
  83
  84     bool AccessibleTabBarPage::IsSelected() const
  85     {
  86         bool bSelected = false;
  87
  88         if ( m_pTabBar && m_pTabBar->GetCurPageId() == m_nPageId )
  89             bSelected = true;
  90
  91         return bSelected;
  92     }
  93
  94
  95     void AccessibleTabBarPage::SetShowing( bool bShowing )
  96     {
  97         if ( m_bShowing != bShowing )
  98         {
  99             Any aOldValue, aNewValue;
 100             if ( m_bShowing )
 101                 aOldValue <<= AccessibleStateType::SHOWING;
 102             else
 103                 aNewValue <<= AccessibleStateType::SHOWING;
 104             m_bShowing = bShowing;
 105             NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
 106         }
 107     }
 108
 109
 110     void AccessibleTabBarPage::SetSelected( bool bSelected )
 111     {
 112         if ( m_bSelected != bSelected )
 113         {
 114             Any aOldValue, aNewValue;
 115             if ( m_bSelected )
 116                 aOldValue <<= AccessibleStateType::SELECTED;
 117             else
 118                 aNewValue <<= AccessibleStateType::SELECTED;
 119             m_bSelected = bSelected;
 120             NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
 121         }
 122     }
 123
 124
 125     void AccessibleTabBarPage::SetPageText( const OUString& sPageText )
 126     {
 127         if ( m_sPageText != sPageText )
 128         {
 129             Any aOldValue, aNewValue;
 130             aOldValue <<= m_sPageText;
 131             aNewValue <<= sPageText;
 132             m_sPageText = sPageText;
 133             NotifyAccessibleEvent( AccessibleEventId::NAME_CHANGED, aOldValue, aNewValue );
 134         }
 135     }
 136
 137
 138     void AccessibleTabBarPage::FillAccessibleStateSet( sal_Int64& rStateSet )
 139     {
 140         if ( IsEnabled() )
 141         {
 142             rStateSet |=  AccessibleStateType::ENABLED;
 143             rStateSet |=  AccessibleStateType::SENSITIVE;
 144         }
 145
 146         rStateSet |=  AccessibleStateType::VISIBLE;
 147
 148         if ( IsShowing() )
 149             rStateSet |=  AccessibleStateType::SHOWING;
 150
 151         rStateSet |=  AccessibleStateType::SELECTABLE;
 152
 153         if ( IsSelected() )
 154             rStateSet |=  AccessibleStateType::SELECTED;
 155     }
 156
 157
 158     // OCommonAccessibleComponent
 159
 160
 161     awt::Rectangle AccessibleTabBarPage::implGetBounds()
 162     {
 163         awt::Rectangle aBounds;
 164         if ( m_pTabBar )
 165         {
 166             // get bounding rectangle relative to the AccessibleTabBar
 167             aBounds = AWTRectangle( m_pTabBar->GetPageRect( m_nPageId ) );
 168
 169             // get position of the AccessibleTabBarPageList relative to the AccessibleTabBar
 170             Reference< XAccessible > xParent = getAccessibleParent();
 171             if ( xParent.is() )
 172             {
 173                 Reference< XAccessibleComponent > xParentComponent( xParent->getAccessibleContext(), UNO_QUERY );
 174                 if ( xParentComponent.is() )
 175                 {
 176                     awt::Point aParentLoc = xParentComponent->getLocation();
 177
 178                     // calculate bounding rectangle relative to the AccessibleTabBarPageList
 179                     aBounds.X -= aParentLoc.X;
 180                     aBounds.Y -= aParentLoc.Y;
 181                 }
 182             }
 183         }
 184
 185         return aBounds;
 186     }
 187
 188
 189     // XComponent
 190
 191
 192     void AccessibleTabBarPage::disposing()
 193     {
 194         AccessibleTabBarBase::disposing();
 195         m_sPageText.clear();
 196     }
 197
 198
 199     // XServiceInfo
 200
 201
 202     OUString AccessibleTabBarPage::getImplementationName()
 203     {
 204         return "com.sun.star.comp.svtools.AccessibleTabBarPage";
 205     }
 206
 207
 208     sal_Bool AccessibleTabBarPage::supportsService( const OUString& rServiceName )
 209     {
 210         return cppu::supportsService(this, rServiceName);
 211     }
 212
 213
 214     Sequence< OUString > AccessibleTabBarPage::getSupportedServiceNames()
 215     {
 216         return { "com.sun.star.awt.AccessibleTabBarPage" };
 217     }
 218
 219
 220     // XAccessible
 221
 222
 223     Reference< XAccessibleContext > AccessibleTabBarPage::getAccessibleContext(  )
 224     {
 225         OExternalLockGuard aGuard( this );
 226
 227         return this;
 228     }
 229
 230
 231     // XAccessibleContext
 232
 233
 234     sal_Int64 AccessibleTabBarPage::getAccessibleChildCount()
 235     {
 236         return 0;
 237     }
 238
 239
 240     Reference< XAccessible > AccessibleTabBarPage::getAccessibleChild( sal_Int64 )
 241     {
 242         OExternalLockGuard aGuard( this );
 243
 244         throw IndexOutOfBoundsException();
 245     }
 246
 247
 248     Reference< XAccessible > AccessibleTabBarPage::getAccessibleParent(  )
 249     {
 250         OExternalLockGuard aGuard( this );
 251
 252         return m_xParent;
 253     }
 254
 255
 256     sal_Int64 AccessibleTabBarPage::getAccessibleIndexInParent(  )
 257     {
 258         OExternalLockGuard aGuard( this );
 259
 260         sal_Int64 nIndexInParent = -1;
 261         if ( m_pTabBar )
 262             nIndexInParent = m_pTabBar->GetPagePos( m_nPageId );
 263
 264         return nIndexInParent;
 265     }
 266
 267
 268     sal_Int16 AccessibleTabBarPage::getAccessibleRole(  )
 269     {
 270         return AccessibleRole::PAGE_TAB;
 271     }
 272
 273
 274     OUString AccessibleTabBarPage::getAccessibleDescription( )
 275     {
 276         OExternalLockGuard aGuard( this );
 277
 278         OUString sDescription;
 279         if ( m_pTabBar )
 280             sDescription = m_pTabBar->GetHelpText( m_nPageId );
 281
 282         return sDescription;
 283     }
 284
 285
 286     OUString AccessibleTabBarPage::getAccessibleName(  )
 287     {
 288         OExternalLockGuard aGuard( this );
 289
 290         return m_sPageText;
 291     }
 292
 293
 294     Reference< XAccessibleRelationSet > AccessibleTabBarPage::getAccessibleRelationSet(  )
 295     {
 296         OExternalLockGuard aGuard( this );
 297
 298         return new utl::AccessibleRelationSetHelper;
 299     }
 300
 301
 302     sal_Int64 AccessibleTabBarPage::getAccessibleStateSet(  )
 303     {
 304         OExternalLockGuard aGuard( this );
 305
 306         sal_Int64 nStateSet = 0;
 307
 308         if ( !rBHelper.bDisposed && !rBHelper.bInDispose )
 309         {
 310             FillAccessibleStateSet( nStateSet );
 311         }
 312         else
 313         {
 314             nStateSet |= AccessibleStateType::DEFUNC;
 315         }
 316
 317         return nStateSet;
 318     }
 319
 320
 321     Locale AccessibleTabBarPage::getLocale(  )
 322     {
 323         OExternalLockGuard aGuard( this );
 324
 325         return Application::GetSettings().GetLanguageTag().getLocale();
 326     }
 327
 328
 329     // XAccessibleComponent
 330
 331
 332     Reference< XAccessible > AccessibleTabBarPage::getAccessibleAtPoint( const awt::Point& )
 333     {
 334         return Reference< XAccessible >();
 335     }
 336
 337
 338     void AccessibleTabBarPage::grabFocus(  )
 339     {
 340         // no focus
 341     }
 342
 343
 344     sal_Int32 AccessibleTabBarPage::getForeground(  )
 345     {
 346         OExternalLockGuard aGuard( this );
 347
 348         sal_Int32 nColor = 0;
 349         Reference< XAccessible > xParent = getAccessibleParent();
 350         if ( xParent.is() )
 351         {
 352             Reference< XAccessibleComponent > xParentComp( xParent->getAccessibleContext(), UNO_QUERY );
 353             if ( xParentComp.is() )
 354                 nColor = xParentComp->getForeground();
 355         }
 356
 357         return nColor;
 358     }
 359
 360
 361     sal_Int32 AccessibleTabBarPage::getBackground(  )
 362     {
 363         OExternalLockGuard aGuard( this );
 364
 365         sal_Int32 nColor = 0;
 366         Reference< XAccessible > xParent = getAccessibleParent();
 367         if ( xParent.is() )
 368         {
 369             Reference< XAccessibleComponent > xParentComp( xParent->getAccessibleContext(), UNO_QUERY );
 370             if ( xParentComp.is() )
 371                 nColor = xParentComp->getBackground();
 372         }
 373
 374         return nColor;
 375     }
 376
 377
 378     // XAccessibleExtendedComponent
 379
 380
 381     Reference< awt::XFont > AccessibleTabBarPage::getFont(  )
 382     {
 383         OExternalLockGuard aGuard( this );
 384
 385         Reference< awt::XFont > xFont;
 386         Reference< XAccessible > xParent = getAccessibleParent();
 387         if ( xParent.is() )
 388         {
 389             Reference< XAccessibleExtendedComponent > xParentComp( xParent->getAccessibleContext(), UNO_QUERY );
 390             if ( xParentComp.is() )
 391                 xFont = xParentComp->getFont();
 392         }
 393
 394         return xFont;
 395     }
 396
 397
 398     OUString AccessibleTabBarPage::getTitledBorderText(  )
 399     {
 400         OExternalLockGuard aGuard( this );
 401
 402         return m_sPageText;
 403     }
 404
 405
 406     OUString AccessibleTabBarPage::getToolTipText(  )
 407     {
 408         return OUString();
 409     }
 410
 411
 412 }   // namespace accessibility
 413
 414
 415 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */