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 25 #ifndef _SVXGRAPHACCESSIBLECONTEXT_HXX 26 #define _SVXGRAPHACCESSIBLECONTEXT_HXX 27 28 #ifndef _CPPUHELPER_IMPLBASE7_HXX_ 29 #include <cppuhelper/compbase7.hxx> 30 #endif 31 #include <com/sun/star/uno/Reference.hxx> 32 #include <com/sun/star/accessibility/XAccessible.hpp> 33 #include <com/sun/star/accessibility/XAccessibleComponent.hpp> 34 #include <com/sun/star/accessibility/XAccessibleContext.hpp> 35 #include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp> 36 #ifndef _COM_SUN_STAR_ACCESSIBILITY_IllegalAccessibleComponentStateException_HPP_ 37 #include <com/sun/star/accessibility/IllegalAccessibleComponentStateException.hpp> 38 #endif 39 #include <com/sun/star/accessibility/XAccessibleSelection.hpp> 40 #include <com/sun/star/beans/XPropertyChangeListener.hpp> 41 #include <cppuhelper/weak.hxx> 42 #include <com/sun/star/lang/XServiceInfo.hpp> 43 #include <com/sun/star/lang/XTypeProvider.hpp> 44 #include <com/sun/star/lang/XServiceName.hpp> 45 #include <com/sun/star/lang/IndexOutOfBoundsException.hpp> 46 #include <vos/mutex.hxx> 47 #include <comphelper/broadcasthelper.hxx> 48 #include <svl/lstner.hxx> 49 50 #include <set> 51 #include <map> 52 53 #include <comphelper/servicehelper.hxx> 54 #include <svx/rectenum.hxx> 55 #include <svx/AccessibleShapeTreeInfo.hxx> 56 #include <svx/IAccessibleViewForwarder.hxx> 57 #include <svx/AccessibleShape.hxx> 58 59 namespace com { namespace sun { namespace star { namespace awt { 60 struct Point; 61 struct Rectangle; 62 struct Size; 63 class XFocusListener; 64 } } } } 65 66 class Rectangle; 67 class GraphCtrl; 68 class Window; 69 class SdrObject; 70 class SdrModel; 71 class SdrPage; 72 class SdrView; 73 74 /** @descr 75 This base class provides an implementation of the 76 <code>AccessibleContext</code> service. 77 */ 78 79 typedef ::cppu::WeakAggComponentImplHelper7< 80 ::com::sun::star::accessibility::XAccessible, 81 ::com::sun::star::accessibility::XAccessibleComponent, 82 ::com::sun::star::accessibility::XAccessibleContext, 83 ::com::sun::star::accessibility::XAccessibleEventBroadcaster, 84 ::com::sun::star::accessibility::XAccessibleSelection, 85 ::com::sun::star::lang::XServiceInfo, 86 ::com::sun::star::lang::XServiceName > 87 SvxGraphCtrlAccessibleContext_Base; 88 89 class SvxGraphCtrlAccessibleContext : public SvxGraphCtrlAccessibleContext_Base, ::comphelper::OBaseMutex, SfxListener, ::accessibility::IAccessibleViewForwarder 90 { 91 public: 92 friend class GraphCtrl; 93 94 //===== internal ======================================================== 95 SvxGraphCtrlAccessibleContext( 96 const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible>& rxParent, 97 GraphCtrl& rRepresentation, 98 const ::rtl::OUString* pName = NULL, 99 const ::rtl::OUString* pDescription = NULL ); 100 101 void Notify( SfxBroadcaster& aBC, const SfxHint& aHint ); 102 103 protected: 104 virtual ~SvxGraphCtrlAccessibleContext(); 105 public: 106 //===== XAccessible ===================================================== 107 108 /// Return the XAccessibleContext. 109 virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext> SAL_CALL 110 getAccessibleContext (void) throw (::com::sun::star::uno::RuntimeException); 111 112 //===== XAccessibleComponent ============================================ 113 114 virtual sal_Bool SAL_CALL containsPoint( const ::com::sun::star::awt::Point& rPoint ) throw (::com::sun::star::uno::RuntimeException); 115 virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const ::com::sun::star::awt::Point& rPoint ) throw (::com::sun::star::uno::RuntimeException); 116 virtual ::com::sun::star::awt::Rectangle SAL_CALL getBounds() throw (::com::sun::star::uno::RuntimeException); 117 virtual ::com::sun::star::awt::Point SAL_CALL getLocation() throw (::com::sun::star::uno::RuntimeException); 118 virtual ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen() throw (::com::sun::star::uno::RuntimeException); 119 virtual ::com::sun::star::awt::Size SAL_CALL getSize() throw (::com::sun::star::uno::RuntimeException); 120 virtual void SAL_CALL addFocusListener( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XFocusListener >& xListener ) throw (::com::sun::star::uno::RuntimeException); 121 virtual void SAL_CALL removeFocusListener( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XFocusListener >& xListener ) throw (::com::sun::star::uno::RuntimeException); 122 virtual void SAL_CALL grabFocus() throw (::com::sun::star::uno::RuntimeException); 123 virtual ::com::sun::star::uno::Any SAL_CALL getAccessibleKeyBinding() throw (::com::sun::star::uno::RuntimeException); 124 125 virtual sal_Int32 SAL_CALL getForeground (void) 126 throw (::com::sun::star::uno::RuntimeException); 127 128 virtual sal_Int32 SAL_CALL getBackground (void) 129 throw (::com::sun::star::uno::RuntimeException); 130 131 132 //===== XAccessibleContext ============================================== 133 134 virtual sal_Int32 SAL_CALL getAccessibleChildCount (void) throw (::com::sun::star::uno::RuntimeException); 135 virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible> SAL_CALL getAccessibleChild (sal_Int32 nIndex) throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::lang::IndexOutOfBoundsException); 136 virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible> SAL_CALL getAccessibleParent (void) throw (::com::sun::star::uno::RuntimeException); 137 virtual sal_Int32 SAL_CALL getAccessibleIndexInParent (void) throw (::com::sun::star::uno::RuntimeException); 138 virtual sal_Int16 SAL_CALL getAccessibleRole (void) throw (::com::sun::star::uno::RuntimeException); 139 virtual ::rtl::OUString SAL_CALL getAccessibleDescription (void) throw (::com::sun::star::uno::RuntimeException); 140 virtual ::rtl::OUString SAL_CALL getAccessibleName (void) throw (::com::sun::star::uno::RuntimeException); 141 virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleRelationSet> SAL_CALL getAccessibleRelationSet (void) throw (::com::sun::star::uno::RuntimeException); 142 virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleStateSet> SAL_CALL getAccessibleStateSet (void) throw (::com::sun::star::uno::RuntimeException); 143 virtual ::com::sun::star::lang::Locale SAL_CALL getLocale (void) throw (::com::sun::star::uno::RuntimeException, ::com::sun::star::accessibility::IllegalAccessibleComponentStateException); 144 // virtual void SAL_CALL addPropertyChangeListener( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& xListener ) throw (::com::sun::star::uno::RuntimeException) {} 145 // virtual void SAL_CALL removePropertyChangeListener( const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertyChangeListener >& xListener ) throw (::com::sun::star::uno::RuntimeException) {} 146 147 //===== XComponent ======================================================== 148 149 using ::cppu::WeakAggComponentImplHelperBase::addEventListener; 150 using ::cppu::WeakAggComponentImplHelperBase::removeEventListener; 151 152 //===== XAccessibleEventBroadcaster ===================================== 153 154 virtual void SAL_CALL addEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener>& xListener) throw (com::sun::star::uno::RuntimeException); 155 virtual void SAL_CALL removeEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener>& xListener) throw (com::sun::star::uno::RuntimeException); 156 157 //===== XServiceInfo ==================================================== 158 159 virtual ::rtl::OUString SAL_CALL getImplementationName (void) throw (::com::sun::star::uno::RuntimeException); 160 virtual sal_Bool SAL_CALL supportsService (const ::rtl::OUString& sServiceName) throw (::com::sun::star::uno::RuntimeException); 161 virtual ::com::sun::star::uno::Sequence< ::rtl::OUString> SAL_CALL getSupportedServiceNames (void) throw (::com::sun::star::uno::RuntimeException); 162 163 //===== XTypeProvider =================================================== 164 165 virtual ::com::sun::star::uno::Sequence<sal_Int8> SAL_CALL getImplementationId (void) throw (::com::sun::star::uno::RuntimeException); 166 167 //===== XServiceName ==================================================== 168 169 virtual ::rtl::OUString SAL_CALL getServiceName (void) throw (::com::sun::star::uno::RuntimeException); 170 171 //===== XAccessibleSelection ============================================= 172 173 virtual void SAL_CALL selectAccessibleChild( sal_Int32 nChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException ); 174 virtual sal_Bool SAL_CALL isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException ); 175 virtual void SAL_CALL clearAccessibleSelection() throw (::com::sun::star::uno::RuntimeException ); 176 virtual void SAL_CALL selectAllAccessibleChildren() throw (::com::sun::star::uno::RuntimeException ); 177 virtual sal_Int32 SAL_CALL getSelectedAccessibleChildCount() throw (::com::sun::star::uno::RuntimeException ); 178 virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException ); 179 virtual void SAL_CALL deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException ); 180 181 //===== IAccessibleViewforwarder ======================================== 182 183 virtual sal_Bool IsValid (void) const; 184 virtual Rectangle GetVisibleArea() const; 185 virtual Point LogicToPixel (const Point& rPoint) const; 186 virtual Size LogicToPixel (const Size& rSize) const; 187 virtual Point PixelToLogic (const Point& rPoint) const; 188 virtual Size PixelToLogic (const Size& rSize) const; 189 190 protected: 191 //===== internals ======================================================== 192 193 void checkChildIndex( long nIndexOfChild ) throw (::com::sun::star::lang::IndexOutOfBoundsException ); 194 void checkChildIndexOnSelection( long nIndexOfChild ) throw (::com::sun::star::lang::IndexOutOfBoundsException ); 195 196 public: 197 198 /// Sets the name 199 void setName( const ::rtl::OUString& rName ); 200 201 /// Sets the description 202 void setDescription( const ::rtl::OUString& rDescr ); 203 204 /** This method is used by the graph control to tell the 205 accessibility object about a new model and view. 206 */ 207 void setModelAndView (SdrModel* pModel, SdrView* pView); 208 209 private: 210 static ::com::sun::star::uno::Sequence< sal_Int8 > getUniqueId( void ); 211 protected: 212 213 /** Return the object's current bounding box relative to the desktop, 214 i.e in absolute pixel coordinates. 215 @return 216 The returned rectangle is a bounding box of the object given in 217 absolute screen coordinates. 218 @raise DisposedException 219 When the object is already disposed then a 220 <type>DisposedException</type> is thrown. 221 */ 222 virtual Rectangle GetBoundingBoxOnScreen(void) throw (::com::sun::star::uno::RuntimeException); 223 224 /// Return the object's current bounding box relative to the parent object. 225 virtual Rectangle GetBoundingBox(void) throw (::com::sun::star::uno::RuntimeException); 226 227 virtual void SAL_CALL disposing(); 228 229 private: 230 SdrObject* getSdrObject( sal_Int32 nIndex ) 231 throw( ::com::sun::star::uno::RuntimeException, ::com::sun::star::lang::IndexOutOfBoundsException ); 232 233 void CommitChange (sal_Int16 aEventId, const ::com::sun::star::uno::Any& rNewValue, const ::com::sun::star::uno::Any& rOldValue); 234 void FireEvent (const ::com::sun::star::accessibility::AccessibleEventObject& aEvent); 235 236 ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessible( const SdrObject* pObj ); 237 238 accessibility::AccessibleShapeTreeInfo maTreeInfo; 239 240 /// Reference to the parent object. 241 ::com::sun::star::uno::Reference< 242 ::com::sun::star::accessibility::XAccessible> mxParent; 243 244 /** Description of this object. This is not a constant because it can 245 be set from the outside. 246 */ 247 ::rtl::OUString msDescription; 248 249 /** Name of this object. 250 */ 251 ::rtl::OUString msName; 252 253 /// map of accessible shapes 254 struct SdrObjectCompareLess 255 { operator ()SvxGraphCtrlAccessibleContext::SdrObjectCompareLess256 bool operator()(const SdrObject* p1, const SdrObject* p2) const 257 { 258 return p1 < p2; 259 } 260 }; 261 typedef ::std::map< const SdrObject*, ::accessibility::AccessibleShape*, SdrObjectCompareLess > ShapesMapType; 262 ShapesMapType mxShapes; 263 264 GraphCtrl* mpControl; 265 266 SdrModel* mpModel; 267 SdrPage* mpPage; 268 SdrView* mpView; 269 270 /// client id in the AccessibleEventNotifier queue 271 sal_uInt32 mnClientId; 272 273 sal_Bool mbDisposed; 274 }; 275 276 #endif 277 278