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 #include <com/sun/star/accessibility/XAccessible.hpp> 23 #include <com/sun/star/accessibility/AccessibleStateType.hpp> 24 #include <com/sun/star/accessibility/AccessibleEventId.hpp> 25 #include <com/sun/star/accessibility/AccessibleRole.hpp> 26 #include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp> 27 #include <com/sun/star/accessibility/AccessibleTableModelChange.hpp> 28 29 #include "AccTableEventListener.hxx" 30 #include "AccObjectManagerAgent.hxx" 31 #include "unomsaaevent.hxx" 32 33 using namespace com::sun::star::uno; 34 using namespace com::sun::star::accessibility; 35 36 AccTableEventListener::AccTableEventListener(com::sun::star::accessibility::XAccessible* pAcc, AccObjectManagerAgent* Agent) 37 :AccDescendantManagerEventListener(pAcc, Agent) 38 {} 39 AccTableEventListener::~AccTableEventListener() 40 { 41 } 42 43 /** 44 * Uno's event notifier when event is captured 45 * @param AccessibleEventObject the event object which contains information about event 46 */ 47 void AccTableEventListener::notifyEvent( const ::com::sun::star::accessibility::AccessibleEventObject& aEvent ) 48 throw (::com::sun::star::uno::RuntimeException) 49 { 50 switch (aEvent.EventId) 51 { 52 case AccessibleEventId::ACTIVE_DESCENDANT_CHANGED: 53 handleActiveDescendantChangedEvent(aEvent.OldValue, aEvent.NewValue); 54 break; 55 56 case AccessibleEventId::TABLE_CAPTION_CHANGED: 57 { 58 59 pAgent->NotifyAccEvent(UM_EVENT_TABLE_CAPTION_CHANGED, pAccessible); 60 break; 61 } 62 case AccessibleEventId::TABLE_COLUMN_DESCRIPTION_CHANGED: 63 { 64 65 pAgent->NotifyAccEvent(UM_EVENT_TABLE_COLUMN_DESCRIPTION_CHANGED, pAccessible); 66 break; 67 } 68 case AccessibleEventId::TABLE_COLUMN_HEADER_CHANGED: 69 { 70 71 pAgent->NotifyAccEvent(UM_EVENT_TABLE_COLUMN_HEADER_CHANGED, pAccessible); 72 break; 73 } 74 case AccessibleEventId::TABLE_ROW_HEADER_CHANGED: 75 { 76 77 pAgent->NotifyAccEvent(UM_EVENT_TABLE_ROW_HEADER_CHANGED, pAccessible); 78 break; 79 } 80 case AccessibleEventId::TABLE_MODEL_CHANGED: 81 { 82 83 handleTableModelChangeEvent(aEvent.NewValue); 84 break; 85 } 86 case AccessibleEventId::TABLE_SUMMARY_CHANGED: 87 { 88 89 pAgent->NotifyAccEvent(UM_EVENT_TABLE_SUMMARY_CHANGED, pAccessible); 90 break; 91 } 92 case AccessibleEventId::TABLE_ROW_DESCRIPTION_CHANGED: 93 { 94 95 pAgent->NotifyAccEvent(UM_EVENT_TABLE_ROW_DESCRIPTION_CHANGED, pAccessible); 96 break; 97 } 98 default: 99 AccDescendantManagerEventListener::notifyEvent(aEvent); 100 break; 101 } 102 } 103 104 /** 105 * handle the ACTIVE_DESCENDANT_CHANGED event 106 * @param oldValue the child to lose active 107 * @param newValue the child to get active 108 */ 109 void AccTableEventListener::handleActiveDescendantChangedEvent(Any oldValue, Any newValue) 110 { 111 Reference< XAccessible > xChild; 112 if(newValue >>= xChild ) 113 { 114 if(xChild.is()) 115 { 116 XAccessible* pAcc = xChild.get(); 117 pAgent->InsertAccObj(pAcc,pAccessible); 118 pAgent->NotifyAccEvent(UM_EVENT_ACTIVE_DESCENDANT_CHANGED, pAcc); 119 } 120 } 121 else if (oldValue >>= xChild) 122 { 123 //delete an existing child 124 if(xChild.is()) 125 { 126 XAccessible* pAcc = xChild.get(); 127 pAgent->DeleteAccObj( pAcc ); 128 } 129 } 130 131 } 132 void AccTableEventListener::handleTableModelChangeEvent(Any newValue) 133 { 134 AccessibleTableModelChange aModelChange; 135 if (newValue >>= aModelChange) 136 { 137 if( pAccessible ) 138 { 139 //delete all oldValue's existing children 140 pAgent->DeleteChildrenAccObj( pAccessible ); 141 //add all oldValue's existing children 142 pAgent->InsertChildrenAccObj( pAccessible ); 143 } 144 pAgent->NotifyAccEvent(UM_EVENT_TABLE_MODEL_CHANGED, pAccessible); 145 } 146 } 147