Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "controlfeatureinterception.hxx"
21 : #include "urltransformer.hxx"
22 :
23 :
24 : namespace frm
25 : {
26 :
27 :
28 : using namespace ::com::sun::star::uno;
29 : using namespace ::com::sun::star::frame;
30 : using namespace ::com::sun::star::util;
31 : using namespace ::com::sun::star::lang;
32 :
33 522 : ControlFeatureInterception::ControlFeatureInterception( const Reference< XComponentContext >& _rxORB )
34 522 : :m_pUrlTransformer( new UrlTransformer( _rxORB ) )
35 : {
36 522 : }
37 :
38 :
39 120 : void SAL_CALL ControlFeatureInterception::registerDispatchProviderInterceptor( const Reference< XDispatchProviderInterceptor >& _rxInterceptor ) throw (RuntimeException )
40 : {
41 120 : if ( !_rxInterceptor.is() )
42 : {
43 : OSL_FAIL( "ControlFeatureInterception::registerDispatchProviderInterceptor: invalid interceptor!" );
44 120 : return;
45 : }
46 :
47 120 : if ( m_xFirstDispatchInterceptor.is() )
48 : {
49 : // there is already an interceptor; the new one will become its master
50 0 : Reference< XDispatchProvider > xFirstProvider( m_xFirstDispatchInterceptor, UNO_QUERY );
51 0 : _rxInterceptor->setSlaveDispatchProvider( xFirstProvider );
52 0 : m_xFirstDispatchInterceptor->setMasterDispatchProvider( xFirstProvider );
53 : }
54 :
55 : // we are the master of the chain's first interceptor
56 120 : m_xFirstDispatchInterceptor = _rxInterceptor;
57 120 : m_xFirstDispatchInterceptor->setMasterDispatchProvider( NULL );
58 : // it's the first of the interceptor chain
59 : }
60 :
61 :
62 120 : void SAL_CALL ControlFeatureInterception::releaseDispatchProviderInterceptor( const Reference< XDispatchProviderInterceptor >& _rxInterceptor ) throw (RuntimeException )
63 : {
64 120 : if ( !_rxInterceptor.is() )
65 : {
66 : OSL_FAIL( "ControlFeatureInterception::releaseDispatchProviderInterceptor: invalid interceptor!" );
67 120 : return;
68 : }
69 :
70 120 : Reference< XDispatchProviderInterceptor > xChainWalk( m_xFirstDispatchInterceptor );
71 :
72 120 : if ( m_xFirstDispatchInterceptor == _rxInterceptor )
73 : { // our chain will have a new first element
74 120 : Reference< XDispatchProviderInterceptor > xSlave( m_xFirstDispatchInterceptor->getSlaveDispatchProvider(), UNO_QUERY );
75 120 : m_xFirstDispatchInterceptor = xSlave;
76 : }
77 : // do this before removing the interceptor from the chain as we won't know it's slave afterwards)
78 :
79 240 : while ( xChainWalk.is() )
80 : {
81 : // walk along the chain of interceptors and look for the interceptor that has to be removed
82 120 : Reference< XDispatchProviderInterceptor > xSlave( xChainWalk->getSlaveDispatchProvider(), UNO_QUERY );
83 :
84 120 : if ( xChainWalk == _rxInterceptor )
85 : {
86 : // old master may be an interceptor too
87 120 : Reference< XDispatchProviderInterceptor > xMaster( xChainWalk->getMasterDispatchProvider(), UNO_QUERY );
88 :
89 : // unchain the interceptor that has to be removed
90 120 : xChainWalk->setSlaveDispatchProvider( NULL );
91 120 : xChainWalk->setMasterDispatchProvider( NULL );
92 :
93 : // reconnect the chain
94 120 : if ( xMaster.is() )
95 : {
96 0 : xMaster->setSlaveDispatchProvider( Reference< XDispatchProvider >::query( xSlave ) );
97 : }
98 :
99 : // if somebody has registered the same interceptor twice, then we will remove
100 : // it once per call ...
101 120 : break;
102 : }
103 :
104 0 : xChainWalk = xSlave;
105 120 : }
106 : }
107 :
108 :
109 526 : void ControlFeatureInterception::dispose()
110 : {
111 : // release all interceptors
112 526 : Reference< XDispatchProviderInterceptor > xInterceptor( m_xFirstDispatchInterceptor );
113 526 : m_xFirstDispatchInterceptor.clear();
114 1052 : while ( xInterceptor.is() )
115 : {
116 : // tell the interceptor it has a new (means no) predecessor
117 0 : xInterceptor->setMasterDispatchProvider( NULL );
118 :
119 : // ask for it's successor
120 0 : Reference< XDispatchProvider > xSlave = xInterceptor->getSlaveDispatchProvider();
121 : // and give it the new (means no) successoert
122 0 : xInterceptor->setSlaveDispatchProvider( NULL );
123 :
124 : // start over with the next chain element
125 0 : xInterceptor.set(xSlave, css::uno::UNO_QUERY);
126 526 : }
127 526 : }
128 :
129 38 : Reference< XDispatch > ControlFeatureInterception::queryDispatch( const URL& _rURL, const OUString& _rTargetFrameName, ::sal_Int32 _nSearchFlags )
130 : {
131 38 : Reference< XDispatch > xDispatcher;
132 38 : if ( m_xFirstDispatchInterceptor.is() )
133 0 : xDispatcher = m_xFirstDispatchInterceptor->queryDispatch( _rURL, _rTargetFrameName, _nSearchFlags );
134 38 : return xDispatcher;
135 : }
136 :
137 :
138 38 : Reference< XDispatch > ControlFeatureInterception::queryDispatch( const URL& _rURL )
139 : {
140 38 : return queryDispatch( _rURL, OUString(), 0 );
141 : }
142 :
143 :
144 0 : Reference< XDispatch > ControlFeatureInterception::queryDispatch( const sal_Char* _pAsciiURL )
145 : {
146 0 : return queryDispatch( m_pUrlTransformer->getStrictURLFromAscii( _pAsciiURL ) );
147 : }
148 :
149 :
150 : } // namespace frm
151 :
152 :
153 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
