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 27 // includes -------------------------------------------------------------- 28 #include <accessibility/standard/vclxaccessiblebutton.hxx> 29 #include <accessibility/helper/accresmgr.hxx> 30 #include <accessibility/helper/accessiblestrings.hrc> 31 32 #include <unotools/accessiblestatesethelper.hxx> 33 #include <comphelper/accessiblekeybindinghelper.hxx> 34 #include <com/sun/star/awt/KeyModifier.hpp> 35 #include <com/sun/star/accessibility/AccessibleStateType.hpp> 36 #include <com/sun/star/accessibility/AccessibleEventId.hpp> 37 #include <cppuhelper/typeprovider.hxx> 38 #include <comphelper/sequence.hxx> 39 40 #include <vcl/button.hxx> 41 42 using namespace ::com::sun::star; 43 using namespace ::com::sun::star::uno; 44 using namespace ::com::sun::star::lang; 45 using namespace ::com::sun::star::beans; 46 using namespace ::com::sun::star::accessibility; 47 using namespace ::comphelper; 48 49 50 // ----------------------------------------------------------------------------- 51 // VCLXAccessibleButton 52 // ----------------------------------------------------------------------------- 53 54 VCLXAccessibleButton::VCLXAccessibleButton( VCLXWindow* pVCLWindow ) 55 :VCLXAccessibleTextComponent( pVCLWindow ) 56 { 57 } 58 59 // ----------------------------------------------------------------------------- 60 61 VCLXAccessibleButton::~VCLXAccessibleButton() 62 { 63 } 64 65 // ----------------------------------------------------------------------------- 66 67 void VCLXAccessibleButton::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent ) 68 { 69 switch ( rVclWindowEvent.GetId() ) 70 { 71 case VCLEVENT_PUSHBUTTON_TOGGLE: 72 { 73 Any aOldValue; 74 Any aNewValue; 75 76 PushButton* pButton = (PushButton*) GetWindow(); 77 if ( pButton && pButton->GetState() == STATE_CHECK ) 78 aNewValue <<= AccessibleStateType::CHECKED; 79 else 80 aOldValue <<= AccessibleStateType::CHECKED; 81 82 NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); 83 } 84 break; 85 default: 86 VCLXAccessibleTextComponent::ProcessWindowEvent( rVclWindowEvent ); 87 } 88 } 89 90 // ----------------------------------------------------------------------------- 91 92 void VCLXAccessibleButton::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet ) 93 { 94 VCLXAccessibleTextComponent::FillAccessibleStateSet( rStateSet ); 95 96 PushButton* pButton = (PushButton*) GetWindow(); 97 if ( pButton ) 98 { 99 rStateSet.AddState( AccessibleStateType::FOCUSABLE ); 100 101 if ( pButton->GetState() == STATE_CHECK ) 102 rStateSet.AddState( AccessibleStateType::CHECKED ); 103 104 if ( pButton->IsPressed() ) 105 rStateSet.AddState( AccessibleStateType::PRESSED ); 106 } 107 } 108 109 // ----------------------------------------------------------------------------- 110 // XInterface 111 // ----------------------------------------------------------------------------- 112 113 IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleButton, VCLXAccessibleTextComponent, VCLXAccessibleButton_BASE ) 114 115 // ----------------------------------------------------------------------------- 116 // XTypeProvider 117 // ----------------------------------------------------------------------------- 118 119 IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleButton, VCLXAccessibleTextComponent, VCLXAccessibleButton_BASE ) 120 121 // ----------------------------------------------------------------------------- 122 // XServiceInfo 123 // ----------------------------------------------------------------------------- 124 125 ::rtl::OUString VCLXAccessibleButton::getImplementationName() throw (RuntimeException) 126 { 127 return ::rtl::OUString::createFromAscii( "com.sun.star.comp.toolkit.AccessibleButton" ); 128 } 129 130 // ----------------------------------------------------------------------------- 131 132 Sequence< ::rtl::OUString > VCLXAccessibleButton::getSupportedServiceNames() throw (RuntimeException) 133 { 134 Sequence< ::rtl::OUString > aNames(1); 135 aNames[0] = ::rtl::OUString::createFromAscii( "com.sun.star.awt.AccessibleButton" ); 136 return aNames; 137 } 138 139 // ----------------------------------------------------------------------------- 140 // XAccessibleContext 141 // ----------------------------------------------------------------------------- 142 143 ::rtl::OUString VCLXAccessibleButton::getAccessibleName( ) throw (RuntimeException) 144 { 145 OExternalLockGuard aGuard( this ); 146 147 ::rtl::OUString aName( VCLXAccessibleTextComponent::getAccessibleName() ); 148 sal_Int32 nLength = aName.getLength(); 149 150 if ( nLength >= 3 && aName.matchAsciiL( RTL_CONSTASCII_STRINGPARAM("..."), nLength - 3 ) ) 151 { 152 if ( nLength == 3 ) 153 { 154 // it's a browse button 155 aName = ::rtl::OUString( TK_RES_STRING( RID_STR_ACC_NAME_BROWSEBUTTON ) ); 156 } 157 else 158 { 159 // remove the three trailing dots 160 aName = aName.copy( 0, nLength - 3 ); 161 } 162 } 163 else if ( nLength >= 3 && aName.matchAsciiL( RTL_CONSTASCII_STRINGPARAM("<< "), 0 ) ) 164 { 165 // remove the leading symbols 166 aName = aName.copy( 3, nLength - 3 ); 167 } 168 else if ( nLength >= 3 && aName.matchAsciiL( RTL_CONSTASCII_STRINGPARAM(" >>"), nLength - 3 ) ) 169 { 170 // remove the trailing symbols 171 aName = aName.copy( 0, nLength - 3 ); 172 } 173 174 return aName; 175 } 176 177 // ----------------------------------------------------------------------------- 178 // XAccessibleAction 179 // ----------------------------------------------------------------------------- 180 181 sal_Int32 VCLXAccessibleButton::getAccessibleActionCount( ) throw (RuntimeException) 182 { 183 OExternalLockGuard aGuard( this ); 184 185 return 1; 186 } 187 188 // ----------------------------------------------------------------------------- 189 190 sal_Bool VCLXAccessibleButton::doAccessibleAction ( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException) 191 { 192 OExternalLockGuard aGuard( this ); 193 194 if ( nIndex < 0 || nIndex >= getAccessibleActionCount() ) 195 throw IndexOutOfBoundsException(); 196 197 PushButton* pButton = (PushButton*) GetWindow(); 198 if ( pButton ) 199 pButton->Click(); 200 201 return sal_True; 202 } 203 204 // ----------------------------------------------------------------------------- 205 206 ::rtl::OUString VCLXAccessibleButton::getAccessibleActionDescription ( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException) 207 { 208 OExternalLockGuard aGuard( this ); 209 210 if ( nIndex < 0 || nIndex >= getAccessibleActionCount() ) 211 throw IndexOutOfBoundsException(); 212 213 return ::rtl::OUString( TK_RES_STRING( RID_STR_ACC_ACTION_CLICK ) ); 214 } 215 216 // ----------------------------------------------------------------------------- 217 218 Reference< XAccessibleKeyBinding > VCLXAccessibleButton::getAccessibleActionKeyBinding( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException) 219 { 220 OExternalLockGuard aGuard( this ); 221 222 if ( nIndex < 0 || nIndex >= getAccessibleActionCount() ) 223 throw IndexOutOfBoundsException(); 224 225 OAccessibleKeyBindingHelper* pKeyBindingHelper = new OAccessibleKeyBindingHelper(); 226 Reference< XAccessibleKeyBinding > xKeyBinding = pKeyBindingHelper; 227 228 Window* pWindow = GetWindow(); 229 if ( pWindow ) 230 { 231 KeyEvent aKeyEvent = pWindow->GetActivationKey(); 232 KeyCode aKeyCode = aKeyEvent.GetKeyCode(); 233 if ( aKeyCode.GetCode() != 0 ) 234 { 235 awt::KeyStroke aKeyStroke; 236 aKeyStroke.Modifiers = 0; 237 if ( aKeyCode.IsShift() ) 238 aKeyStroke.Modifiers |= awt::KeyModifier::SHIFT; 239 if ( aKeyCode.IsMod1() ) 240 aKeyStroke.Modifiers |= awt::KeyModifier::MOD1; 241 if ( aKeyCode.IsMod2() ) 242 aKeyStroke.Modifiers |= awt::KeyModifier::MOD2; 243 if ( aKeyCode.IsMod3() ) 244 aKeyStroke.Modifiers |= awt::KeyModifier::MOD3; 245 aKeyStroke.KeyCode = aKeyCode.GetCode(); 246 aKeyStroke.KeyChar = aKeyEvent.GetCharCode(); 247 aKeyStroke.KeyFunc = static_cast< sal_Int16 >( aKeyCode.GetFunction() ); 248 pKeyBindingHelper->AddKeyBinding( aKeyStroke ); 249 } 250 } 251 252 return xKeyBinding; 253 } 254 255 // ----------------------------------------------------------------------------- 256 // XAccessibleValue 257 // ----------------------------------------------------------------------------- 258 259 Any VCLXAccessibleButton::getCurrentValue( ) throw (RuntimeException) 260 { 261 OExternalLockGuard aGuard( this ); 262 263 Any aValue; 264 265 PushButton* pButton = (PushButton*) GetWindow(); 266 if ( pButton ) 267 aValue <<= (sal_Int32) pButton->IsPressed(); 268 269 return aValue; 270 } 271 272 // ----------------------------------------------------------------------------- 273 274 sal_Bool VCLXAccessibleButton::setCurrentValue( const Any& aNumber ) throw (RuntimeException) 275 { 276 OExternalLockGuard aGuard( this ); 277 278 sal_Bool bReturn = sal_False; 279 280 PushButton* pButton = (PushButton*) GetWindow(); 281 if ( pButton ) 282 { 283 sal_Int32 nValue = 0; 284 OSL_VERIFY( aNumber >>= nValue ); 285 286 if ( nValue < 0 ) 287 nValue = 0; 288 else if ( nValue > 1 ) 289 nValue = 1; 290 291 pButton->SetPressed( (sal_Bool) nValue ); 292 bReturn = sal_True; 293 } 294 295 return bReturn; 296 } 297 298 // ----------------------------------------------------------------------------- 299 300 Any VCLXAccessibleButton::getMaximumValue( ) throw (RuntimeException) 301 { 302 OExternalLockGuard aGuard( this ); 303 304 Any aValue; 305 aValue <<= (sal_Int32) 1; 306 307 return aValue; 308 } 309 310 // ----------------------------------------------------------------------------- 311 312 Any VCLXAccessibleButton::getMinimumValue( ) throw (RuntimeException) 313 { 314 OExternalLockGuard aGuard( this ); 315 316 Any aValue; 317 aValue <<= (sal_Int32) 0; 318 319 return aValue; 320 } 321 322 // ----------------------------------------------------------------------------- 323