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       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             : #ifndef INCLUDED_FRAMEWORK_INC_INTERACTION_QUIETINTERACTION_HXX
      21             : #define INCLUDED_FRAMEWORK_INC_INTERACTION_QUIETINTERACTION_HXX
      22             : 
      23             : #include <macros/xinterface.hxx>
      24             : #include <macros/xtypeprovider.hxx>
      25             : #include <general.h>
      26             : 
      27             : #include <com/sun/star/task/XInteractionHandler.hpp>
      28             : #include <com/sun/star/task/XInteractionRequest.hpp>
      29             : 
      30             : #include <cppuhelper/implbase1.hxx>
      31             : 
      32             : namespace framework{
      33             : 
      34             : /**
      35             :     @short      handle interactions non visible
      36             :     @descr      Sometimes it's necessary to use a non visible interaction handler.
      37             :                 He can't do anything, which a visible one can handle.
      38             :                 But it can be used to intercept problems e.g. during loading of documents.
      39             : 
      40             :                 In current implementation we solve conflicts for following situations only:
      41             :                     - InteractiveIOException
      42             :                     - InteractiveAugmentedIOException
      43             :                 All other requests will be aborted.
      44             :  */
      45        6576 : class QuietInteraction : public  ::cppu::WeakImplHelper1<
      46             :                                     css::task::XInteractionHandler >
      47             : {
      48             :     // member
      49             :     private:
      50             : 
      51             :         /// in case an unknown interaction was aborted - we save it for our external user!
      52             :         css::uno::Any m_aRequest;
      53             : 
      54             :     // uno interface
      55             :     public:
      56             : 
      57             :         // XInterface, XTypeProvider
      58             : 
      59             :         /**
      60             :             @interface  XInteractionHandler
      61             :             @short      called from outside to handle a problem
      62             :             @descr      The only interaction we can handle here is to
      63             :                         decide which of two ambigous filters should be really used.
      64             :                         We use the user selected one every time.
      65             :                         All other request will be aborted and can break the code,
      66             :                         which use this interaction handler.
      67             : 
      68             :                         But you can use another method of this class to check for
      69             :                         some special interactions too: IO Exceptions
      70             :                         May a ComponentLoader needs that to throw suitable exception
      71             :                         on his own interface.
      72             : 
      73             :             @threadsafe yes
      74             :         */
      75             :         virtual void SAL_CALL handle( const css::uno::Reference< css::task::XInteractionRequest >& xRequest ) throw( css::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
      76             : 
      77             :     // c++ interface
      78             :     public:
      79             :         /**
      80             :             @short      ctor to guarantee right initialized instances of this class
      81             :             @threadsafe not necessary
      82             :         */
      83             :         QuietInteraction();
      84             : 
      85             :         /**
      86             :             @short      return the handled interaction request
      87             :             @descr      We saved any getted interaction request internally.
      88             :                         May the outside user of this class is interessted
      89             :                         on that. Especially we gotted an unknown interaction
      90             :                         and aborted it hard.
      91             : 
      92             :             @return     [com.sun.star.uno.Any]
      93             :                             the packed interaction request
      94             :                             Can be empty if no interaction was used!
      95             : 
      96             :             @threadsafe yes
      97             :         */
      98             :         css::uno::Any getRequest() const;
      99             : 
     100             :         /**
     101             :             @short      returns information if interaction was used
     102             :             @descr      It can be useful to know the reason for a failed operation.
     103             : 
     104             :             @return     [boolean]
     105             :                             <TRUE/> for used interaction
     106             :                             <FALSE/> otherwise
     107             : 
     108             :             @threadsafe yes
     109             :         */
     110             :         bool wasUsed() const;
     111             : };
     112             : 
     113             : } // namespace framework
     114             : 
     115             : #endif // INCLUDED_FRAMEWORK_INC_INTERACTION_QUIETINTERACTION_HXX
     116             : 
     117             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */