summaryrefslogtreecommitdiff
path: root/ucbhelper/source/client/interceptedinteraction.cxx
blob: b925f7ca290f0e31e3f054fd27b7a4798f5c0498 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <ucbhelper/interceptedinteraction.hxx>


namespace ucbhelper{

InterceptedInteraction::InterceptedInteraction()
{
}

void InterceptedInteraction::setInterceptedHandler(const css::uno::Reference< css::task::XInteractionHandler >& xInterceptedHandler)
{
    m_xInterceptedHandler = xInterceptedHandler;
}

void InterceptedInteraction::setInterceptions(const ::std::vector< InterceptedRequest >& lInterceptions)
{
    m_lInterceptions = lInterceptions;
}

InterceptedInteraction::EInterceptionState InterceptedInteraction::intercepted(
    const InterceptedRequest&,
    const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionRequest >&)
{
    // default behaviour! see impl_interceptRequest() for further informations ...
    return E_NOT_INTERCEPTED;
}

css::uno::Reference< css::task::XInteractionContinuation > InterceptedInteraction::extractContinuation(const css::uno::Sequence< css::uno::Reference< css::task::XInteractionContinuation > >& lContinuations,
                                                                                                       const css::uno::Type&                                                                   aType         )
{
    const css::uno::Reference< css::task::XInteractionContinuation >* pContinuations = lContinuations.getConstArray();

    sal_Int32 c = lContinuations.getLength();
    sal_Int32 i = 0;

    for (i=0; i<c; ++i)
    {
        css::uno::Reference< css::uno::XInterface > xCheck(pContinuations[i], css::uno::UNO_QUERY);
        if (xCheck->queryInterface(aType).hasValue())
            return pContinuations[i];
    }

    return css::uno::Reference< css::task::XInteractionContinuation >();
}

void SAL_CALL InterceptedInteraction::handle(const css::uno::Reference< css::task::XInteractionRequest >& xRequest)
    throw(css::uno::RuntimeException)
{
    impl_handleDefault(xRequest);
}

void InterceptedInteraction::impl_handleDefault(const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionRequest >& xRequest)
{
    EInterceptionState eState = impl_interceptRequest(xRequest);

    switch(eState)
    {
        case E_NOT_INTERCEPTED:
        {
            // Non of the intercepted requests match to the given one.
            // => forward request to the internal wrapped handler - if there is one.
            if (m_xInterceptedHandler.is())
                m_xInterceptedHandler->handle(xRequest);
        }
        break;

        case E_NO_CONTINUATION_FOUND:
        {
            // Runtime error! The defined continuation could not be located
            // inside the set of available containuations of the incoming request.
            // Whats wrong - the interception list or the request?
            OSL_FAIL("InterceptedInteraction::handle()\nCould intercept this interaction request - but cant locate the right continuation!");
        }
        break;

        case E_INTERCEPTED:
        break;
    }
}

InterceptedInteraction::EInterceptionState InterceptedInteraction::impl_interceptRequest(const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionRequest >& xRequest)
{
    css::uno::Any                                                                    aRequest       = xRequest->getRequest();
    css::uno::Type                                                                   aRequestType   = aRequest.getValueType();
    css::uno::Sequence< css::uno::Reference< css::task::XInteractionContinuation > > lContinuations = xRequest->getContinuations();

    // check against the list of static requests
    sal_Int32 nHandle = 0;
    ::std::vector< InterceptedRequest >::const_iterator pIt;
    for (  pIt  = m_lInterceptions.begin();
           pIt != m_lInterceptions.end()  ;
         ++pIt                            )
    {
        const InterceptedRequest& rInterception = *pIt;
        css::uno::Type aInterceptedType = rInterception.Request.getValueType();

        // check the request
        sal_Bool bMatch = sal_False;
        if (rInterception.MatchExact)
            bMatch = aInterceptedType.equals(aRequestType);
        else
            bMatch = aInterceptedType.isAssignableFrom(aRequestType); // dont change intercepted and request type here -> it will check the wrong direction!

        // intercepted ...
        // Call they might existing derived class, so they can handle that by its own.
        // If its not interested on that (may be its not overwritten and the default implementation
        // returns E_NOT_INTERCEPTED as default) -> break this loop and search for the right continuation.
        if (bMatch)
        {
            EInterceptionState eState = intercepted(rInterception, xRequest);
            if (eState == E_NOT_INTERCEPTED)
                break;
            return eState;
        }

        ++nHandle;
    }

    if (pIt != m_lInterceptions.end()) // => can be true only if bMatch=TRUE!
    {
        // match -> search required continuation
        const InterceptedRequest& rInterception = *pIt;
        css::uno::Reference< css::task::XInteractionContinuation > xContinuation = InterceptedInteraction::extractContinuation(lContinuations, rInterception.Continuation);
        if (xContinuation.is())
        {
            xContinuation->select();
            return E_INTERCEPTED;
        }

        // Can be reached only, if the request does not support the given continuation!
        // => RuntimeError!?
        return E_NO_CONTINUATION_FOUND;
    }

    return E_NOT_INTERCEPTED;
}

} // namespace ucbhelper

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */