desktop/source/deployment/misc/dp_interact.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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
  21 #include "dp_interact.h"
  22 #include "cppuhelper/exc_hlp.hxx"
  23 #include "cppuhelper/implbase1.hxx"
  24 #include "com/sun/star/task/XInteractionAbort.hpp"
  25
  26
  27 using namespace ::com::sun::star;
  28 using namespace ::com::sun::star::uno;
  29 using namespace ::com::sun::star::ucb;
  30
  31 namespace dp_misc {
  32 namespace {
  33
  34 //==============================================================================
  35 class InteractionContinuationImpl : public ::cppu::OWeakObject,
  36                                     public task::XInteractionContinuation
  37 {
  38     const Type m_type;
  39     bool * m_pselect;
  40
  41 public:
  42     inline InteractionContinuationImpl( Type const & type, bool * pselect )
  43         : m_type( type ),
  44           m_pselect( pselect )
  45         { OSL_ASSERT(
  46             ::getCppuType(
  47                 static_cast< Reference<task::XInteractionContinuation>
  48                 const *>(0) ).isAssignableFrom(m_type) ); }
  49
  50     // XInterface
  51     virtual void SAL_CALL acquire() throw ();
  52     virtual void SAL_CALL release() throw ();
  53     virtual Any SAL_CALL queryInterface( Type const & type )
  54         throw (RuntimeException);
  55
  56     // XInteractionContinuation
  57     virtual void SAL_CALL select() throw (RuntimeException);
  58 };
  59
  60 // XInterface
  61 //______________________________________________________________________________
  62 void InteractionContinuationImpl::acquire() throw ()
  63 {
  64     OWeakObject::acquire();
  65 }
  66
  67 //______________________________________________________________________________
  68 void InteractionContinuationImpl::release() throw ()
  69 {
  70     OWeakObject::release();
  71 }
  72
  73 //______________________________________________________________________________
  74 Any InteractionContinuationImpl::queryInterface( Type const & type )
  75     throw (RuntimeException)
  76 {
  77     if (type.isAssignableFrom( m_type )) {
  78         Reference<task::XInteractionContinuation> xThis(this);
  79         return Any( &xThis, type );
  80     }
  81     else
  82         return OWeakObject::queryInterface(type);
  83 }
  84
  85 // XInteractionContinuation
  86 //______________________________________________________________________________
  87 void InteractionContinuationImpl::select() throw (RuntimeException)
  88 {
  89     *m_pselect = true;
  90 }
  91
  92 //==============================================================================
  93 class InteractionRequest :
  94     public ::cppu::WeakImplHelper1<task::XInteractionRequest>
  95 {
  96     Any m_request;
  97     Sequence< Reference<task::XInteractionContinuation> > m_conts;
  98
  99 public:
 100     inline InteractionRequest(
 101         Any const & request,
 102         Sequence< Reference<task::XInteractionContinuation> > const & conts )
 103         : m_request( request ),
 104           m_conts( conts )
 105         {}
 106
 107     // XInteractionRequest
 108     virtual Any SAL_CALL getRequest()
 109         throw (RuntimeException);
 110     virtual Sequence< Reference<task::XInteractionContinuation> >
 111     SAL_CALL getContinuations() throw (RuntimeException);
 112 };
 113
 114 // XInteractionRequest
 115 //______________________________________________________________________________
 116 Any InteractionRequest::getRequest() throw (RuntimeException)
 117 {
 118     return m_request;
 119 }
 120
 121 //______________________________________________________________________________
 122 Sequence< Reference< task::XInteractionContinuation > >
 123 InteractionRequest::getContinuations() throw (RuntimeException)
 124 {
 125     return m_conts;
 126 }
 127
 128 } // anon namespace
 129
 130 //==============================================================================
 131 bool interactContinuation( Any const & request,
 132                            Type const & continuation,
 133                            Reference<XCommandEnvironment> const & xCmdEnv,
 134                            bool * pcont, bool * pabort )
 135 {
 136     OSL_ASSERT(
 137         task::XInteractionContinuation::static_type().isAssignableFrom(
 138             continuation ) );
 139     if (xCmdEnv.is()) {
 140         Reference<task::XInteractionHandler> xInteractionHandler(
 141             xCmdEnv->getInteractionHandler() );
 142         if (xInteractionHandler.is()) {
 143             bool cont = false;
 144             bool abort = false;
 145             Sequence< Reference<task::XInteractionContinuation> > conts( 2 );
 146             conts[ 0 ] = new InteractionContinuationImpl(
 147                 continuation, &cont );
 148             conts[ 1 ] = new InteractionContinuationImpl(
 149                 task::XInteractionAbort::static_type(), &abort );
 150             xInteractionHandler->handle(
 151                 new InteractionRequest( request, conts ) );
 152             if (cont || abort) {
 153                 if (pcont != 0)
 154                     *pcont = cont;
 155                 if (pabort != 0)
 156                     *pabort = abort;
 157                 return true;
 158             }
 159         }
 160     }
 161     return false;
 162 }
 163
 164 // XAbortChannel
 165 //______________________________________________________________________________
 166 void AbortChannel::sendAbort() throw (RuntimeException)
 167 {
 168     m_aborted = true;
 169     if (m_xNext.is())
 170         m_xNext->sendAbort();
 171 }
 172
 173 } // dp_misc
 174
 175 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */