122 lines
4.1 KiB
C++
122 lines
4.1 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 <sal/config.h>
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#include <utility>
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#include <vcl/svapp.hxx>
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#include <cppuhelper/implbase.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <com/sun/star/awt/XRequestCallback.hpp>
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/// anonymous implementation namespace
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namespace {
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class AsyncCallback:
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public ::cppu::WeakImplHelper<
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css::lang::XServiceInfo,
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css::awt::XRequestCallback>
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{
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public:
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AsyncCallback() {}
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AsyncCallback(const AsyncCallback&) = delete;
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AsyncCallback& operator=(const AsyncCallback&) = delete;
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// css::lang::XServiceInfo:
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virtual OUString SAL_CALL getImplementationName() override;
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virtual sal_Bool SAL_CALL supportsService(const OUString & ServiceName) override;
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virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
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// css::awt::XRequestCallback:
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virtual void SAL_CALL addCallback(const css::uno::Reference< css::awt::XCallback > & xCallback, const css::uno::Any & aData) override;
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private:
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struct CallbackData
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{
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CallbackData( css::uno::Reference< css::awt::XCallback > _xCallback, css::uno::Any aAny ) :
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xCallback(std::move( _xCallback )), aData(std::move( aAny )) {}
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css::uno::Reference< css::awt::XCallback > xCallback;
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css::uno::Any aData;
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};
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DECL_STATIC_LINK( AsyncCallback, Notify_Impl, void*, void );
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virtual ~AsyncCallback() override {}
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};
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// com.sun.star.uno.XServiceInfo:
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OUString SAL_CALL AsyncCallback::getImplementationName()
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{
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return u"com.sun.star.awt.comp.AsyncCallback"_ustr;
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}
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sal_Bool SAL_CALL AsyncCallback::supportsService(OUString const & serviceName)
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{
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return cppu::supportsService(this, serviceName);
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}
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css::uno::Sequence< OUString > SAL_CALL AsyncCallback::getSupportedServiceNames()
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{
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return { u"com.sun.star.awt.AsyncCallback"_ustr };
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}
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// css::awt::XRequestCallback:
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void SAL_CALL AsyncCallback::addCallback(const css::uno::Reference< css::awt::XCallback > & xCallback, const css::uno::Any & aData)
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{
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if ( Application::IsInMain() )
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{
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// NOTE: We don't need SolarMutexGuard here as Application::PostUserEvent is thread-safe
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CallbackData* pCallbackData = new CallbackData( xCallback, aData );
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Application::PostUserEvent( LINK( this, AsyncCallback, Notify_Impl ), pCallbackData );
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}
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}
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// private asynchronous link to call reference to the callback object
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IMPL_STATIC_LINK( AsyncCallback, Notify_Impl, void*, p, void )
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{
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CallbackData* pCallbackData = static_cast<CallbackData*>(p);
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try
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{
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// Asynchronous execution
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// Check pointer and reference before!
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if ( pCallbackData && pCallbackData->xCallback.is() )
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pCallbackData->xCallback->notify( pCallbackData->aData );
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}
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catch ( css::uno::Exception& )
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{
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}
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delete pCallbackData;
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}
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} // closing anonymous implementation namespace
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extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
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com_sun_star_awt_comp_AsyncCallback_get_implementation(
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css::uno::XComponentContext *,
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css::uno::Sequence<css::uno::Any> const &)
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{
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return cppu::acquire(new AsyncCallback());
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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