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