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/* -*- 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 .
*/
#pragma once
#include <com/sun/star/task/XInteractionHandler.hpp>
#include <com/sun/star/task/XInteractionRequest.hpp>
#include <cppuhelper/implbase.hxx>
namespace framework{
/**
@short handle interactions non visible
@descr Sometimes it's necessary to use a non visible interaction handler.
He can't do anything, which a visible one can handle.
But it can be used to intercept problems e.g. during loading of documents.
In current implementation we solve conflicts for following situations only:
- InteractiveIOException
- InteractiveAugmentedIOException
All other requests will be aborted.
*/
class QuietInteraction final : public ::cppu::WeakImplHelper<
css::task::XInteractionHandler >
{
// member
private:
/// in case an unknown interaction was aborted - we save it for our external user!
css::uno::Any m_aRequest;
// uno interface
public:
// XInterface, XTypeProvider
/**
@interface XInteractionHandler
@short called from outside to handle a problem
@descr The only interaction we can handle here is to
decide which of two ambiguous filters should be really used.
We use the user selected one every time.
All other request will be aborted and can break the code,
which use this interaction handler.
But you can use another method of this class to check for
some special interactions too: IO Exceptions
May a ComponentLoader needs that to throw suitable exception
on his own interface.
@threadsafe yes
*/
virtual void SAL_CALL handle( const css::uno::Reference< css::task::XInteractionRequest >& xRequest ) override;
// c++ interface
public:
/**
@short ctor to guarantee right initialized instances of this class
@threadsafe not necessary
*/
QuietInteraction();
/**
@short return the handled interaction request
@descr We saved any obtained interaction request internally.
Maybe the outside user of this class is interested
on that. Especially we got an unknown interaction
and aborted it hard.
@return [com.sun.star.uno.Any]
the packed interaction request
Can be empty if no interaction was used!
@threadsafe yes
*/
css::uno::Any getRequest() const;
/**
@short returns information if interaction was used
@descr It can be useful to know the reason for a failed operation.
@return [boolean]
<TRUE/> for used interaction
<FALSE/> otherwise
@threadsafe yes
*/
bool wasUsed() const;
};
} // namespace framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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