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 <ucbhelper/interceptedinteraction.hxx>
21 :
22 : #include <osl/diagnose.h>
23 :
24 : namespace ucbhelper{
25 :
26 6990 : InterceptedInteraction::InterceptedInteraction()
27 : {
28 6990 : }
29 :
30 6990 : void InterceptedInteraction::setInterceptedHandler(const css::uno::Reference< css::task::XInteractionHandler >& xInterceptedHandler)
31 : {
32 6990 : m_xInterceptedHandler = xInterceptedHandler;
33 6990 : }
34 :
35 11048 : void InterceptedInteraction::setInterceptions(const ::std::vector< InterceptedRequest >& lInterceptions)
36 : {
37 11048 : m_lInterceptions = lInterceptions;
38 11048 : }
39 :
40 0 : InterceptedInteraction::EInterceptionState InterceptedInteraction::intercepted(
41 : const InterceptedRequest&,
42 : const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionRequest >&)
43 : {
44 : // default behaviour! see impl_interceptRequest() for further information ...
45 0 : return E_NOT_INTERCEPTED;
46 : }
47 :
48 354 : css::uno::Reference< css::task::XInteractionContinuation > InterceptedInteraction::extractContinuation(const css::uno::Sequence< css::uno::Reference< css::task::XInteractionContinuation > >& lContinuations,
49 : const css::uno::Type& aType )
50 : {
51 354 : const css::uno::Reference< css::task::XInteractionContinuation >* pContinuations = lContinuations.getConstArray();
52 :
53 354 : sal_Int32 c = lContinuations.getLength();
54 354 : sal_Int32 i = 0;
55 :
56 354 : for (i=0; i<c; ++i)
57 : {
58 354 : css::uno::Reference< css::uno::XInterface > xCheck(pContinuations[i], css::uno::UNO_QUERY);
59 354 : if (xCheck->queryInterface(aType).hasValue())
60 354 : return pContinuations[i];
61 0 : }
62 :
63 0 : return css::uno::Reference< css::task::XInteractionContinuation >();
64 : }
65 :
66 724 : void SAL_CALL InterceptedInteraction::handle(const css::uno::Reference< css::task::XInteractionRequest >& xRequest)
67 : throw(css::uno::RuntimeException, std::exception)
68 : {
69 724 : impl_handleDefault(xRequest);
70 724 : }
71 :
72 724 : void InterceptedInteraction::impl_handleDefault(const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionRequest >& xRequest)
73 : {
74 724 : EInterceptionState eState = impl_interceptRequest(xRequest);
75 :
76 724 : switch(eState)
77 : {
78 : case E_NOT_INTERCEPTED:
79 : {
80 : // Non of the intercepted requests match to the given one.
81 : // => forward request to the internal wrapped handler - if there is one.
82 370 : if (m_xInterceptedHandler.is())
83 1 : m_xInterceptedHandler->handle(xRequest);
84 : }
85 370 : break;
86 :
87 : case E_NO_CONTINUATION_FOUND:
88 : {
89 : // Runtime error! The defined continuation could not be located
90 : // inside the set of available containuations of the incoming request.
91 : // Whats wrong - the interception list or the request?
92 : OSL_FAIL("InterceptedInteraction::handle()\nCould intercept this interaction request - but can't locate the right continuation!");
93 : }
94 0 : break;
95 :
96 : case E_INTERCEPTED:
97 354 : break;
98 : }
99 724 : }
100 :
101 724 : InterceptedInteraction::EInterceptionState InterceptedInteraction::impl_interceptRequest(const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionRequest >& xRequest)
102 : {
103 724 : css::uno::Any aRequest = xRequest->getRequest();
104 1448 : css::uno::Type aRequestType = aRequest.getValueType();
105 1448 : css::uno::Sequence< css::uno::Reference< css::task::XInteractionContinuation > > lContinuations = xRequest->getContinuations();
106 :
107 : // check against the list of static requests
108 724 : sal_Int32 nHandle = 0;
109 724 : ::std::vector< InterceptedRequest >::const_iterator pIt;
110 2172 : for ( pIt = m_lInterceptions.begin();
111 1448 : pIt != m_lInterceptions.end() ;
112 : ++pIt )
113 : {
114 354 : const InterceptedRequest& rInterception = *pIt;
115 354 : css::uno::Type aInterceptedType = rInterception.Request.getValueType();
116 :
117 : // check the request
118 354 : bool bMatch = false;
119 354 : if (rInterception.MatchExact)
120 0 : bMatch = aInterceptedType.equals(aRequestType);
121 : else
122 354 : bMatch = aInterceptedType.isAssignableFrom(aRequestType); // dont change intercepted and request type here -> it will check the wrong direction!
123 :
124 : // intercepted ...
125 : // Call they might existing derived class, so they can handle that by its own.
126 : // If its not interested on that (may be its not overwritten and the default implementation
127 : // returns E_NOT_INTERCEPTED as default) -> break this loop and search for the right continuation.
128 354 : if (bMatch)
129 : {
130 354 : EInterceptionState eState = intercepted(rInterception, xRequest);
131 354 : if (eState == E_NOT_INTERCEPTED)
132 0 : break;
133 354 : return eState;
134 : }
135 :
136 0 : ++nHandle;
137 0 : }
138 :
139 370 : if (pIt != m_lInterceptions.end()) // => can be true only if bMatch=TRUE!
140 : {
141 : // match -> search required continuation
142 0 : const InterceptedRequest& rInterception = *pIt;
143 0 : css::uno::Reference< css::task::XInteractionContinuation > xContinuation = InterceptedInteraction::extractContinuation(lContinuations, rInterception.Continuation);
144 0 : if (xContinuation.is())
145 : {
146 0 : xContinuation->select();
147 0 : return E_INTERCEPTED;
148 : }
149 :
150 : // Can be reached only, if the request does not support the given continuation!
151 : // => RuntimeError!?
152 0 : return E_NO_CONTINUATION_FOUND;
153 : }
154 :
155 1094 : return E_NOT_INTERCEPTED;
156 : }
157 :
158 : } // namespace ucbhelper
159 :
160 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
