162 lines
6.4 KiB
C++
162 lines
6.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <ucbhelper/interceptedinteraction.hxx>
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namespace ucbhelper{
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namespace css = ::com::sun::star;
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InterceptedInteraction::InterceptedInteraction()
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{
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}
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void InterceptedInteraction::setInterceptedHandler(const css::uno::Reference< css::task::XInteractionHandler >& xInterceptedHandler)
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{
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m_xInterceptedHandler = xInterceptedHandler;
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}
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void InterceptedInteraction::setInterceptions(const ::std::vector< InterceptedRequest >& lInterceptions)
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{
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m_lInterceptions = lInterceptions;
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}
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InterceptedInteraction::EInterceptionState InterceptedInteraction::intercepted(
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const InterceptedRequest&,
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const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionRequest >&)
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{
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// default behaviour! see impl_interceptRequest() for further informations ...
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return E_NOT_INTERCEPTED;
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}
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css::uno::Reference< css::task::XInteractionContinuation > InterceptedInteraction::extractContinuation(const css::uno::Sequence< css::uno::Reference< css::task::XInteractionContinuation > >& lContinuations,
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const css::uno::Type& aType )
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{
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const css::uno::Reference< css::task::XInteractionContinuation >* pContinuations = lContinuations.getConstArray();
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sal_Int32 c = lContinuations.getLength();
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sal_Int32 i = 0;
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for (i=0; i<c; ++i)
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{
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css::uno::Reference< css::uno::XInterface > xCheck(pContinuations[i], css::uno::UNO_QUERY);
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if (xCheck->queryInterface(aType).hasValue())
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return pContinuations[i];
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}
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return css::uno::Reference< css::task::XInteractionContinuation >();
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}
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void SAL_CALL InterceptedInteraction::handle(const css::uno::Reference< css::task::XInteractionRequest >& xRequest)
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throw(css::uno::RuntimeException)
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{
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impl_handleDefault(xRequest);
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}
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void InterceptedInteraction::impl_handleDefault(const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionRequest >& xRequest)
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{
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EInterceptionState eState = impl_interceptRequest(xRequest);
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switch(eState)
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{
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case E_NOT_INTERCEPTED:
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{
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// Non of the intercepted requests match to the given one.
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// => forward request to the internal wrapped handler - if there is one.
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if (m_xInterceptedHandler.is())
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m_xInterceptedHandler->handle(xRequest);
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}
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break;
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case E_NO_CONTINUATION_FOUND:
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{
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// Runtime error! The defined continuation could not be located
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// inside the set of available containuations of the incoming request.
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// Whats wrong - the interception list or the request?
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OSL_FAIL("InterceptedInteraction::handle()\nCould intercept this interaction request - but cant locate the right continuation!");
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}
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break;
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case E_INTERCEPTED:
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break;
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}
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}
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InterceptedInteraction::EInterceptionState InterceptedInteraction::impl_interceptRequest(const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionRequest >& xRequest)
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{
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css::uno::Any aRequest = xRequest->getRequest();
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css::uno::Type aRequestType = aRequest.getValueType();
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css::uno::Sequence< css::uno::Reference< css::task::XInteractionContinuation > > lContinuations = xRequest->getContinuations();
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// check against the list of static requests
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sal_Int32 nHandle = 0;
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::std::vector< InterceptedRequest >::const_iterator pIt;
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for ( pIt = m_lInterceptions.begin();
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pIt != m_lInterceptions.end() ;
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++pIt )
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{
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const InterceptedRequest& rInterception = *pIt;
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css::uno::Type aInterceptedType = rInterception.Request.getValueType();
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// check the request
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sal_Bool bMatch = sal_False;
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if (rInterception.MatchExact)
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bMatch = aInterceptedType.equals(aRequestType);
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else
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bMatch = aInterceptedType.isAssignableFrom(aRequestType); // dont change intercepted and request type here -> it will check the wrong direction!
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// intercepted ...
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// Call they might existing derived class, so they can handle that by its own.
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// If its not interested on that (may be its not overwritten and the default implementation
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// returns E_NOT_INTERCEPTED as default) -> break this loop and search for the right continuation.
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if (bMatch)
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{
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EInterceptionState eState = intercepted(rInterception, xRequest);
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if (eState == E_NOT_INTERCEPTED)
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break;
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return eState;
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}
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++nHandle;
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}
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if (pIt != m_lInterceptions.end()) // => can be true only if bMatch=TRUE!
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{
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// match -> search required continuation
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const InterceptedRequest& rInterception = *pIt;
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css::uno::Reference< css::task::XInteractionContinuation > xContinuation = InterceptedInteraction::extractContinuation(lContinuations, rInterception.Continuation);
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if (xContinuation.is())
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{
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xContinuation->select();
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return E_INTERCEPTED;
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}
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// Can be reached only, if the request does not support the given continuation!
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// => RuntimeError!?
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return E_NO_CONTINUATION_FOUND;
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}
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return E_NOT_INTERCEPTED;
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}
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} // namespace ucbhelper
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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