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#ifndef __com_sun_star_embed_XStateChangeListener_idl__ 24#define __com_sun_star_embed_XStateChangeListener_idl__ 25 26#ifndef __com_sun_star_lang_XEventListener_idl__ 27#include <com/sun/star/lang/XEventListener.idl> 28#endif 29 30#ifndef __com_sun_star_lang_EventObject_idl__ 31#include <com/sun/star/lang/EventObject.idl> 32#endif 33 34#ifndef __com_sun_star_embed_WrongStateException_idl__ 35#include <com/sun/star/embed/WrongStateException.idl> 36#endif 37 38//============================================================================ 39 40module com { module sun { module star { module embed { 41 42//============================================================================ 43 44/** makes it possible to receive events when an embedded object changes it's 45 state. 46 */ 47published interface XStateChangeListener: com::sun::star::lang::XEventListener 48{ 49 //------------------------------------------------------------------------ 50 /** is called just before the object changes state. 51 52 <p> 53 Actually the listener can try to complain about state changing, but 54 it is up to object to decide whether the state change can be 55 prevented. Anyway the possibility to complain must be used very 56 carefully. 57 </p> 58 59 @param aEvent 60 specifies the object that is going to change own state 61 62 @param nOldState 63 specifies the old state of the object 64 65 @param nNewState 66 specifies the new state of the object 67 68 @throws ::com::sun::star::embed::WrongStateException 69 the state change is unexpected by listener 70 */ 71 void changingState( [in] com::sun::star::lang::EventObject aEvent, 72 [in] long nOldState, 73 [in] long nNewState ) 74 raises( ::com::sun::star::embed::WrongStateException ); 75 76 //------------------------------------------------------------------------ 77 /** is called after the object has changed state. 78 79 @param aEvent 80 specifies the object that has changed own state 81 82 @param nOldState 83 specifies the old state of the object 84 85 @param nNewState 86 specifies the new state of the object 87 */ 88 void stateChanged( [in] com::sun::star::lang::EventObject aEvent, 89 [in] long nOldState, 90 [in] long nNewState ); 91}; 92 93//============================================================================ 94 95}; }; }; }; 96 97#endif 98 99