1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_accessibility.hxx" 26 #include <accessibility/standard/vclxaccessiblestatusbar.hxx> 27 #include <accessibility/standard/vclxaccessiblestatusbaritem.hxx> 28 #include <toolkit/helper/convert.hxx> 29 #include <com/sun/star/accessibility/AccessibleEventId.hpp> 30 #include <vcl/status.hxx> 31 32 33 using namespace ::com::sun::star; 34 using namespace ::com::sun::star::uno; 35 using namespace ::com::sun::star::lang; 36 using namespace ::com::sun::star::accessibility; 37 using namespace ::comphelper; 38 39 40 // ---------------------------------------------------- 41 // class VCLXAccessibleStatusBar 42 // ---------------------------------------------------- 43 44 VCLXAccessibleStatusBar::VCLXAccessibleStatusBar( VCLXWindow* pVCLXWindow ) 45 :VCLXAccessibleComponent( pVCLXWindow ) 46 { 47 m_pStatusBar = static_cast< StatusBar* >( GetWindow() ); 48 49 if ( m_pStatusBar ) 50 m_aAccessibleChildren.assign( m_pStatusBar->GetItemCount(), Reference< XAccessible >() ); 51 } 52 53 // ----------------------------------------------------------------------------- 54 55 VCLXAccessibleStatusBar::~VCLXAccessibleStatusBar() 56 { 57 } 58 59 // ----------------------------------------------------------------------------- 60 61 void VCLXAccessibleStatusBar::UpdateShowing( sal_Int32 i, sal_Bool bShowing ) 62 { 63 if ( i >= 0 && i < (sal_Int32)m_aAccessibleChildren.size() ) 64 { 65 Reference< XAccessible > xChild( m_aAccessibleChildren[i] ); 66 if ( xChild.is() ) 67 { 68 VCLXAccessibleStatusBarItem* pVCLXAccessibleStatusBarItem = static_cast< VCLXAccessibleStatusBarItem* >( xChild.get() ); 69 if ( pVCLXAccessibleStatusBarItem ) 70 pVCLXAccessibleStatusBarItem->SetShowing( bShowing ); 71 } 72 } 73 } 74 75 // ----------------------------------------------------------------------------- 76 77 void VCLXAccessibleStatusBar::UpdateItemName( sal_Int32 i ) 78 { 79 if ( i >= 0 && i < (sal_Int32)m_aAccessibleChildren.size() ) 80 { 81 Reference< XAccessible > xChild( m_aAccessibleChildren[i] ); 82 if ( xChild.is() ) 83 { 84 VCLXAccessibleStatusBarItem* pVCLXAccessibleStatusBarItem = static_cast< VCLXAccessibleStatusBarItem* >( xChild.get() ); 85 if ( pVCLXAccessibleStatusBarItem ) 86 { 87 ::rtl::OUString sItemName = pVCLXAccessibleStatusBarItem->GetItemName(); 88 pVCLXAccessibleStatusBarItem->SetItemName( sItemName ); 89 } 90 } 91 } 92 } 93 94 // ----------------------------------------------------------------------------- 95 96 void VCLXAccessibleStatusBar::UpdateItemText( sal_Int32 i ) 97 { 98 if ( i >= 0 && i < (sal_Int32)m_aAccessibleChildren.size() ) 99 { 100 Reference< XAccessible > xChild( m_aAccessibleChildren[i] ); 101 if ( xChild.is() ) 102 { 103 VCLXAccessibleStatusBarItem* pVCLXAccessibleStatusBarItem = static_cast< VCLXAccessibleStatusBarItem* >( xChild.get() ); 104 if ( pVCLXAccessibleStatusBarItem ) 105 { 106 ::rtl::OUString sItemText = pVCLXAccessibleStatusBarItem->GetItemText(); 107 pVCLXAccessibleStatusBarItem->SetItemText( sItemText ); 108 } 109 } 110 } 111 } 112 113 // ----------------------------------------------------------------------------- 114 115 void VCLXAccessibleStatusBar::InsertChild( sal_Int32 i ) 116 { 117 if ( i >= 0 && i <= (sal_Int32)m_aAccessibleChildren.size() ) 118 { 119 // insert entry in child list 120 m_aAccessibleChildren.insert( m_aAccessibleChildren.begin() + i, Reference< XAccessible >() ); 121 122 // send accessible child event 123 Reference< XAccessible > xChild( getAccessibleChild( i ) ); 124 if ( xChild.is() ) 125 { 126 Any aOldValue, aNewValue; 127 aNewValue <<= xChild; 128 NotifyAccessibleEvent( AccessibleEventId::CHILD, aOldValue, aNewValue ); 129 } 130 } 131 } 132 133 // ----------------------------------------------------------------------------- 134 135 void VCLXAccessibleStatusBar::RemoveChild( sal_Int32 i ) 136 { 137 if ( i >= 0 && i < (sal_Int32)m_aAccessibleChildren.size() ) 138 { 139 // get the accessible of the removed page 140 Reference< XAccessible > xChild( m_aAccessibleChildren[i] ); 141 142 // remove entry in child list 143 m_aAccessibleChildren.erase( m_aAccessibleChildren.begin() + i ); 144 145 // send accessible child event 146 if ( xChild.is() ) 147 { 148 Any aOldValue, aNewValue; 149 aOldValue <<= xChild; 150 NotifyAccessibleEvent( AccessibleEventId::CHILD, aOldValue, aNewValue ); 151 152 Reference< XComponent > xComponent( xChild, UNO_QUERY ); 153 if ( xComponent.is() ) 154 xComponent->dispose(); 155 } 156 } 157 } 158 159 // ----------------------------------------------------------------------------- 160 161 void VCLXAccessibleStatusBar::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent ) 162 { 163 switch ( rVclWindowEvent.GetId() ) 164 { 165 case VCLEVENT_STATUSBAR_ITEMADDED: 166 { 167 if ( m_pStatusBar ) 168 { 169 sal_uInt16 nItemId = (sal_uInt16)(sal_IntPtr) rVclWindowEvent.GetData(); 170 sal_uInt16 nItemPos = m_pStatusBar->GetItemPos( nItemId ); 171 InsertChild( nItemPos ); 172 } 173 } 174 break; 175 case VCLEVENT_STATUSBAR_ITEMREMOVED: 176 { 177 if ( m_pStatusBar ) 178 { 179 sal_uInt16 nItemId = (sal_uInt16)(sal_IntPtr) rVclWindowEvent.GetData(); 180 for ( sal_Int32 i = 0, nCount = getAccessibleChildCount(); i < nCount; ++i ) 181 { 182 Reference< XAccessible > xChild( getAccessibleChild( i ) ); 183 if ( xChild.is() ) 184 { 185 VCLXAccessibleStatusBarItem* pVCLXAccessibleStatusBarItem = static_cast< VCLXAccessibleStatusBarItem* >( xChild.get() ); 186 if ( pVCLXAccessibleStatusBarItem && pVCLXAccessibleStatusBarItem->GetItemId() == nItemId ) 187 { 188 RemoveChild( i ); 189 break; 190 } 191 } 192 } 193 } 194 } 195 break; 196 case VCLEVENT_STATUSBAR_ALLITEMSREMOVED: 197 { 198 for ( sal_Int32 i = m_aAccessibleChildren.size() - 1; i >= 0; --i ) 199 RemoveChild( i ); 200 } 201 break; 202 case VCLEVENT_STATUSBAR_SHOWITEM: 203 case VCLEVENT_STATUSBAR_HIDEITEM: 204 { 205 if ( m_pStatusBar ) 206 { 207 sal_uInt16 nItemId = (sal_uInt16)(sal_IntPtr) rVclWindowEvent.GetData(); 208 sal_uInt16 nItemPos = m_pStatusBar->GetItemPos( nItemId ); 209 UpdateShowing( nItemPos, rVclWindowEvent.GetId() == VCLEVENT_STATUSBAR_SHOWITEM ); 210 } 211 } 212 break; 213 case VCLEVENT_STATUSBAR_SHOWALLITEMS: 214 case VCLEVENT_STATUSBAR_HIDEALLITEMS: 215 { 216 for ( sal_uInt32 i = 0; i < m_aAccessibleChildren.size(); ++i ) 217 UpdateShowing( i, rVclWindowEvent.GetId() == VCLEVENT_STATUSBAR_SHOWALLITEMS ); 218 } 219 break; 220 case VCLEVENT_STATUSBAR_NAMECHANGED: 221 { 222 if ( m_pStatusBar ) 223 { 224 sal_uInt16 nItemId = (sal_uInt16)(sal_IntPtr) rVclWindowEvent.GetData(); 225 sal_uInt16 nItemPos = m_pStatusBar->GetItemPos( nItemId ); 226 UpdateItemName( nItemPos ); 227 } 228 } 229 break; 230 case VCLEVENT_STATUSBAR_DRAWITEM: 231 { 232 if ( m_pStatusBar ) 233 { 234 sal_uInt16 nItemId = (sal_uInt16)(sal_IntPtr) rVclWindowEvent.GetData(); 235 sal_uInt16 nItemPos = m_pStatusBar->GetItemPos( nItemId ); 236 UpdateItemText( nItemPos ); 237 } 238 } 239 break; 240 case VCLEVENT_OBJECT_DYING: 241 { 242 if ( m_pStatusBar ) 243 { 244 m_pStatusBar = NULL; 245 246 // dispose all children 247 for ( sal_uInt32 i = 0; i < m_aAccessibleChildren.size(); ++i ) 248 { 249 Reference< XComponent > xComponent( m_aAccessibleChildren[i], UNO_QUERY ); 250 if ( xComponent.is() ) 251 xComponent->dispose(); 252 } 253 m_aAccessibleChildren.clear(); 254 } 255 256 VCLXAccessibleComponent::ProcessWindowEvent( rVclWindowEvent ); 257 } 258 break; 259 default: 260 VCLXAccessibleComponent::ProcessWindowEvent( rVclWindowEvent ); 261 } 262 } 263 264 // ----------------------------------------------------------------------------- 265 // XComponent 266 // ----------------------------------------------------------------------------- 267 268 void VCLXAccessibleStatusBar::disposing() 269 { 270 VCLXAccessibleComponent::disposing(); 271 272 if ( m_pStatusBar ) 273 { 274 m_pStatusBar = NULL; 275 276 // dispose all children 277 for ( sal_uInt32 i = 0; i < m_aAccessibleChildren.size(); ++i ) 278 { 279 Reference< XComponent > xComponent( m_aAccessibleChildren[i], UNO_QUERY ); 280 if ( xComponent.is() ) 281 xComponent->dispose(); 282 } 283 m_aAccessibleChildren.clear(); 284 } 285 } 286 287 // ----------------------------------------------------------------------------- 288 // XServiceInfo 289 // ----------------------------------------------------------------------------- 290 291 ::rtl::OUString VCLXAccessibleStatusBar::getImplementationName() throw (RuntimeException) 292 { 293 return ::rtl::OUString::createFromAscii( "com.sun.star.comp.toolkit.AccessibleStatusBar" ); 294 } 295 296 // ----------------------------------------------------------------------------- 297 298 Sequence< ::rtl::OUString > VCLXAccessibleStatusBar::getSupportedServiceNames() throw (RuntimeException) 299 { 300 Sequence< ::rtl::OUString > aNames(1); 301 aNames[0] = ::rtl::OUString::createFromAscii( "com.sun.star.awt.AccessibleStatusBar" ); 302 return aNames; 303 } 304 305 // ----------------------------------------------------------------------------- 306 // XAccessibleContext 307 // ----------------------------------------------------------------------------- 308 309 sal_Int32 VCLXAccessibleStatusBar::getAccessibleChildCount() throw (RuntimeException) 310 { 311 OExternalLockGuard aGuard( this ); 312 313 return m_aAccessibleChildren.size(); 314 } 315 316 // ----------------------------------------------------------------------------- 317 318 Reference< XAccessible > VCLXAccessibleStatusBar::getAccessibleChild( sal_Int32 i ) throw (IndexOutOfBoundsException, RuntimeException) 319 { 320 OExternalLockGuard aGuard( this ); 321 322 if ( i < 0 || i >= getAccessibleChildCount() ) 323 throw IndexOutOfBoundsException(); 324 325 Reference< XAccessible > xChild = m_aAccessibleChildren[i]; 326 if ( !xChild.is() ) 327 { 328 if ( m_pStatusBar ) 329 { 330 sal_uInt16 nItemId = m_pStatusBar->GetItemId( (sal_uInt16)i ); 331 332 xChild = new VCLXAccessibleStatusBarItem( m_pStatusBar, nItemId ); 333 334 // insert into status bar item list 335 m_aAccessibleChildren[i] = xChild; 336 } 337 } 338 339 return xChild; 340 } 341 342 // ----------------------------------------------------------------------------- 343 // XAccessibleComponent 344 // ----------------------------------------------------------------------------- 345 346 Reference< XAccessible > VCLXAccessibleStatusBar::getAccessibleAtPoint( const awt::Point& rPoint ) throw (RuntimeException) 347 { 348 OExternalLockGuard aGuard( this ); 349 350 Reference< XAccessible > xChild; 351 if ( m_pStatusBar ) 352 { 353 sal_uInt16 nItemId = m_pStatusBar->GetItemId( VCLPoint( rPoint ) ); 354 sal_Int32 nItemPos = m_pStatusBar->GetItemPos( nItemId ); 355 if ( nItemPos >= 0 && nItemPos < (sal_Int32)m_aAccessibleChildren.size() ) 356 xChild = getAccessibleChild( nItemPos ); 357 } 358 359 return xChild; 360 } 361 362 // ----------------------------------------------------------------------------- 363