18692cc141
Part XX Module framework
227 lines
7.6 KiB
C++
227 lines
7.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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//_______________________________________________
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// my own includes
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#include <services/dispatchhelper.hxx>
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#include <threadhelp/readguard.hxx>
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#include <threadhelp/writeguard.hxx>
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#include <services.h>
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//_______________________________________________
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// interface includes
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#include <com/sun/star/util/XURLTransformer.hpp>
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#include <com/sun/star/frame/XNotifyingDispatch.hpp>
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//_______________________________________________
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// includes of other projects
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//_______________________________________________
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// namespace
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namespace framework{
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//_______________________________________________
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// non exported const
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//_______________________________________________
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// non exported definitions
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//_______________________________________________
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// declarations
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//_______________________________________________
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// XInterface, XTypeProvider, XServiceInfo
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DEFINE_XSERVICEINFO_MULTISERVICE(DispatchHelper ,
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::cppu::OWeakObject ,
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SERVICENAME_DISPATCHHELPER ,
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IMPLEMENTATIONNAME_DISPATCHHELPER)
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DEFINE_INIT_SERVICE( DispatchHelper, {} )
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//_______________________________________________
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/** ctor.
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@param xSMGR the global uno service manager, which can be used to create own needed services.
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*/
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DispatchHelper::DispatchHelper( const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR )
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: ThreadHelpBase( )
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// Init member
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, m_xSMGR (xSMGR)
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{
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}
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//_______________________________________________
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/** dtor.
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*/
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DispatchHelper::~DispatchHelper()
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{
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}
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//_______________________________________________
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/** capsulate all steps of a dispatch request and provide so an easy way for dispatches.
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@param xDispatchProvider
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identifies the object, which provides may be valid dispatch objects for this execute.
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@param sURL
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describes the requested feature.
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@param sTargetFrameName
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points to the frame, which must be used (or may be created) for this dispatch.
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@param nSearchFlags
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in case the <var>sTargetFrameName</var> isn't unique, these flags regulate further searches.
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@param lArguments
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optional arguments for this request.
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@return An Any which capsulate a possible result of the internal wrapped dispatch.
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*/
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css::uno::Any SAL_CALL DispatchHelper::executeDispatch(
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const css::uno::Reference< css::frame::XDispatchProvider >& xDispatchProvider ,
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const ::rtl::OUString& sURL ,
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const ::rtl::OUString& sTargetFrameName ,
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sal_Int32 nSearchFlags ,
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const css::uno::Sequence< css::beans::PropertyValue >& lArguments )
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throw(css::uno::RuntimeException)
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{
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css::uno::Reference< css::uno::XInterface > xTHIS(static_cast< ::cppu::OWeakObject* >(this), css::uno::UNO_QUERY);
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// check for valid parameters
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if (
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(!xDispatchProvider.is()) ||
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(sURL.isEmpty() )
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)
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{
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return css::uno::Any();
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}
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// parse given URL
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/* SAFE { */
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ReadGuard aReadLock(m_aLock);
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css::uno::Reference< css::util::XURLTransformer > xParser(m_xSMGR->createInstance(SERVICENAME_URLTRANSFORMER), css::uno::UNO_QUERY);
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aReadLock.unlock();
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/* } SAFE */
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css::util::URL aURL;
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aURL.Complete = sURL;
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xParser->parseStrict(aURL);
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// search dispatcher
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css::uno::Reference< css::frame::XDispatch > xDispatch = xDispatchProvider->queryDispatch(aURL, sTargetFrameName, nSearchFlags);
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css::uno::Reference< css::frame::XNotifyingDispatch > xNotifyDispatch (xDispatch, css::uno::UNO_QUERY);
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// make sure that synchronous execution is used (if possible)
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css::uno::Sequence< css::beans::PropertyValue > aArguments( lArguments );
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sal_Int32 nLength = lArguments.getLength();
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aArguments.realloc( nLength + 1 );
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aArguments[ nLength ].Name = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("SynchronMode"));
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aArguments[ nLength ].Value <<= (sal_Bool) sal_True;
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css::uno::Any aResult;
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if (xNotifyDispatch.is())
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{
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// dispatch it with guaranteed notification
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// Here we can hope for a result ... instead of the normal dispatch.
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css::uno::Reference< css::frame::XDispatchResultListener > xListener(xTHIS, css::uno::UNO_QUERY);
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/* SAFE { */
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WriteGuard aWriteLock(m_aLock);
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m_xBroadcaster = css::uno::Reference< css::uno::XInterface >(xNotifyDispatch, css::uno::UNO_QUERY);
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m_aResult = css::uno::Any();
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m_aBlock.reset();
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aWriteLock.unlock();
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/* } SAFE */
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// dispatch it and wait for a notification
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// TODO/MBA: waiting in main thread?!
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xNotifyDispatch->dispatchWithNotification(aURL, aArguments, xListener);
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aResult = m_aResult;
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}
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else
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if (xDispatch.is())
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{
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// dispatch it without any chance to get a result
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xDispatch->dispatch( aURL, aArguments );
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}
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return aResult;
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}
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//_______________________________________________
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/** callback for started dispatch with guaranteed notifications.
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We must save the result, so the method executeDispatch() can return it.
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Further we must release the broadcaster (otherwhise it can't die)
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and unblock the waiting executeDispatch() request.
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@param aResult
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describes the result of the dispatch operation
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*/
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void SAL_CALL DispatchHelper::dispatchFinished( const css::frame::DispatchResultEvent& aResult )
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throw(css::uno::RuntimeException)
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{
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/* SAFE { */
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WriteGuard aWriteLock(m_aLock);
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m_aResult <<= aResult;
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m_aBlock.set();
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m_xBroadcaster.clear();
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/* } SAFE */
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}
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//_______________________________________________
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/** we has to realease our broadcaster reference.
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@param aEvent
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describe the source of this event and MUST be our save broadcaster!
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*/
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void SAL_CALL DispatchHelper::disposing( const css::lang::EventObject& )
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throw(css::uno::RuntimeException)
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{
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/* SAFE { */
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WriteGuard aWriteLock(m_aLock);
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m_aResult.clear();
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m_aBlock.set();
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m_xBroadcaster.clear();
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/* } SAFE */
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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