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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 .
+ */
+
+#ifndef INCLUDED_FORMS_SOURCE_COMPONENT_IMGPROD_HXX
+#define INCLUDED_FORMS_SOURCE_COMPONENT_IMGPROD_HXX
+
+#include <tools/link.hxx>
+#include <com/sun/star/awt/XImageConsumer.hpp>
+#include <com/sun/star/awt/XImageProducer.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <cppuhelper/weak.hxx>
+#include <memory>
+#include <vector>
+
+
+class SvStream;
+class Graphic;
+namespace com::sun::star::io { class XInputStream; }
+
+
+class ImageProducer : public css::awt::XImageProducer,
+ public css::lang::XInitialization,
+ public ::cppu::OWeakObject
+{
+private:
+
+ typedef std::vector< css::uno::Reference< css::awt::XImageConsumer > > ConsumerList_t;
+
+ OUString maURL;
+ ConsumerList_t maConsList;
+ std::unique_ptr<Graphic>
+ mpGraphic;
+ std::unique_ptr<SvStream>
+ mpStm;
+ sal_uInt32 mnTransIndex;
+ bool mbConsInit;
+ Link<Graphic*,void> maDoneHdl;
+
+ bool ImplImportGraphic( Graphic& rGraphic );
+ void ImplUpdateData( const Graphic& rGraphic );
+ void ImplInitConsumer( const Graphic& rGraphic );
+ void ImplUpdateConsumer( const Graphic& rGraphic );
+
+public:
+
+ ImageProducer();
+ virtual ~ImageProducer() override;
+
+ void SetImage( const OUString& rPath );
+ void SetImage( SvStream& rStm );
+
+ void NewDataAvailable();
+
+ void SetDoneHdl( const Link<Graphic*,void>& i_rHdl ) { maDoneHdl = i_rHdl; }
+
+ // css::uno::XInterface
+ css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
+ void SAL_CALL acquire() throw() override { OWeakObject::acquire(); }
+ void SAL_CALL release() throw() override { OWeakObject::release(); }
+
+ // MT: ???
+ void setImage( css::uno::Reference< css::io::XInputStream > const & rStmRef );
+
+ // css::awt::XImageProducer
+ void SAL_CALL addConsumer( const css::uno::Reference< css::awt::XImageConsumer >& rxConsumer ) override;
+ void SAL_CALL removeConsumer( const css::uno::Reference< css::awt::XImageConsumer >& rxConsumer ) override;
+ void SAL_CALL startProduction( ) override;
+
+ // css::lang::XInitialization
+ void SAL_CALL initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) override;
+
+};
+
+#endif // INCLUDED_FORMS_SOURCE_COMPONENT_IMGPROD_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */