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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 .
+ */
+
+#pragma once
+
+#include <com/sun/star/drawing/XSlidePreviewCache.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <tools/gen.hxx>
+#include <comphelper/compbase.hxx>
+#include <memory>
+
+namespace sd::slidesorter::cache { class PageCache; }
+
+namespace sd::presenter {
+
+typedef comphelper::WeakComponentImplHelper<
+ css::lang::XInitialization,
+ css::lang::XServiceInfo,
+ css::drawing::XSlidePreviewCache
+> PresenterPreviewCacheInterfaceBase;
+
+/** Uno API wrapper around the slide preview cache.
+*/
+class PresenterPreviewCache final
+ : public PresenterPreviewCacheInterfaceBase
+{
+public:
+ PresenterPreviewCache ();
+ virtual ~PresenterPreviewCache() override;
+ PresenterPreviewCache(const PresenterPreviewCache&) = delete;
+ PresenterPreviewCache& operator=(const PresenterPreviewCache&) = delete;
+
+ // XInitialize
+
+ /** Accepts no arguments. All values that are necessary to set up a
+ preview cache can be provided via methods.
+ */
+ virtual void SAL_CALL initialize (const css::uno::Sequence<css::uno::Any>& rArguments) override;
+
+ OUString SAL_CALL getImplementationName() override;
+ sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override;
+ css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+
+ // XSlidePreviewCache
+
+ virtual void SAL_CALL setDocumentSlides (
+ const css::uno::Reference<css::container::XIndexAccess>& rxSlides,
+ const css::uno::Reference<css::uno::XInterface>& rxDocument) override;
+
+ virtual void SAL_CALL setVisibleRange (
+ sal_Int32 nFirstVisibleSlideIndex,
+ sal_Int32 nLastVisibleSlideIndex) override;
+
+ virtual void SAL_CALL setPreviewSize (
+ const css::geometry::IntegerSize2D& rSize) override;
+
+ virtual css::uno::Reference<css::rendering::XBitmap> SAL_CALL
+ getSlidePreview (
+ sal_Int32 nSlideIndex,
+ const css::uno::Reference<css::rendering::XCanvas>& rxCanvas) override;
+
+ virtual void SAL_CALL addPreviewCreationNotifyListener (
+ const css::uno::Reference<css::drawing::XSlidePreviewCacheListener>& rxListener) override;
+
+ virtual void SAL_CALL removePreviewCreationNotifyListener (
+ const css::uno::Reference<css::drawing::XSlidePreviewCacheListener>& rxListener) override;
+
+ virtual void SAL_CALL pause() override;
+
+ virtual void SAL_CALL resume() override;
+
+private:
+ class PresenterCacheContext;
+ Size maPreviewSize;
+ std::shared_ptr<PresenterCacheContext> mpCacheContext;
+ std::shared_ptr<sd::slidesorter::cache::PageCache> mpCache;
+
+ /** @throws css::lang::DisposedException when the object has already been
+ disposed.
+ */
+ void ThrowIfDisposed();
+};
+
+} // end of namespace ::sd::presenter
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */