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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 css::uno::Sequence< OUString >{ "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: */